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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting By Geographic Region (State and Country),
Breakout By Technology Class

Count of 2007 - 2011 Utility Patent Grants
As Distributed By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period
Originating From

CHINA, PEOPLE'S REPUBLIC OF

( patent origin is determined by the residence of the first-named inventor )
( technology class is determined by the primary classification assigned to a patent- see 'Explanation of Data' )
( some classes have been combined together under a single class identifier )

The following table displays technology classes and counts of utility patents classified in them; patents are distributed either by year of patent grant or by year of patent application.
Class Class Title 2007 2008 2009 2010 2011 Total
439 Electrical Connectors 64 125 145 238 254 826
361 Electricity: Electrical Systems and Devices 63 104 128 171 203 669
370 Multiplex Communications 11 47 85 214 270 627
455 Telecommunications 19 19 26 77 129 270
382 Image Analysis 25 49 55 59 75 263
362 Illumination 9 29 31 92 77 238
707 DP: Database and File Management or Data Structures (Data Processing) 19 33 47 65 69 233
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 27 24 36 59 56 202
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 1 14 29 57 94 195
438 Semiconductor Device Manufacturing: Process 14 19 34 53 60 180
375 Pulse or Digital Communications 18 16 28 52 61 175
345 Computer Graphics Processing and Selective Visual Display Systems 17 10 32 38 50 147
324 Electricity: Measuring and Testing 14 23 30 41 38 146
532 Organic Compounds (includes Classes 532-570) 19 17 23 29 47 135
713 Support (Electrical Computers and Digital Processing Systems) 7 13 26 41 45 132
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 8 11 13 40 49 121
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 15 20 18 29 30 112
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 9 13 21 23 31 97
378 X-Ray or Gamma Ray Systems or Devices 5 18 25 36 13 97
165 Heat Exchange 9 15 24 24 22 94
313 Electric Lamp and Discharge Devices 4 11 16 28 32 91
315 Electric Lamp and Discharge Devices: Systems 5 22 9 25 23 84
714 Error Detection/Correction and Fault Detection/Recovery 3 7 20 19 32 81
016 Miscellaneous Hardware 5 15 16 13 27 76
248 Supports (e.g., for holding articles, etc.) 7 4 7 27 29 74
349 Liquid Crystal Cells, Elements and Systems 0 2 12 20 39 73
435 Chemistry: Molecular Biology and Microbiology 13 8 13 23 15 72
250 Radiant Energy 3 11 15 19 23 71
340 Communications: Electrical 5 7 20 22 16 70
363 Electric Power Conversion Systems 2 7 12 24 25 70
702 DP: Measuring, Calibrating, or Testing (Data Processing) 12 21 9 15 13 70
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 8 10 12 15 22 67
073 Measuring and Testing 3 8 14 18 20 63
359 Optical: Systems and Elements 10 11 7 16 19 63
360 Dynamic Magnetic Information Storage or Retrieval 8 14 20 15 6 63
033 Geometrical Instruments 6 8 13 23 12 62
348 Television 3 6 16 22 15 62
710 Input/Output (Electrical Computers and Digital Processing Systems) 2 6 8 21 25 62
379 Telephonic Communications 4 3 19 12 21 59
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 3 5 10 22 19 59
200 Electricity: Circuit Makers and Breakers 3 9 13 19 14 58
310 Electrical Generator or Motor Structure 7 6 7 17 20 57
706 DP: Artificial Intelligence (Data Processing) 1 6 9 18 19 53
717 DP: Software Development, Installation, and Management (Data Processing) 5 7 8 19 14 53
318 Electricity: Motive Power Systems 9 9 10 14 10 52
356 Optics: Measuring and Testing 7 7 6 16 16 52
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 3 8 14 9 18 52
398 Optical Communications 1 3 8 13 26 51
307 Electrical Transmission or Interconnection Systems 1 7 9 17 16 50
428 Stock Material or Miscellaneous Articles 7 0 12 7 21 47
323 Electricity: Power Supply or Regulation Systems 4 6 7 17 12 46
423 Chemistry of Inorganic Compounds 6 1 9 15 15 46
711 Memory (Electrical Computers and Digital Processing Systems) 6 9 13 6 12 46
174 Electricity: Conductors and Insulators 3 3 8 10 21 45
029 Metal Working 7 4 13 5 12 41
320 Electricity: Battery or Capacitor Charging or Discharging 1 2 8 14 16 41
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 10 8 8 11 4 41
720 Dynamic Optical Information Storage or Retrieval 8 13 12 3 3 39
726 Information Security 0 3 2 14 19 38
128 Surgery (includes Class 600) 1 3 5 12 16 37
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 5 7 5 7 13 37
381 Electrical Audio Signal Processing Systems and Devices 2 2 0 3 30 37
385 Optical Waveguides 10 7 9 6 5 37
280 Land Vehicles 1 7 12 5 11 36
341 Coded Data Generation or Conversion 1 5 3 11 13 33
326 Electronic Digital Logic Circuitry 1 8 3 10 8 30
343 Communications: Radio Wave Antennas 0 3 9 9 8 29
206 Special Receptacle or Package 2 3 5 12 6 28
210 Liquid Purification or Separation 4 3 7 7 7 28
330 Amplifiers 3 4 3 7 11 28
005 Beds 4 6 8 5 4 27
365 Static Information Storage and Retrieval 4 6 7 3 7 27
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 1 5 8 11 25
252 Compositions 1 2 2 4 15 24
297 Chairs and Seats 4 7 4 5 4 24
445 Electric Lamp or Space Discharge Component or Device Manufacturing 1 2 3 4 13 23
482 Exercise Devices 1 5 6 6 5 23
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 3 6 3 5 6 23
052 Static Structures (e.g., Buildings) 1 3 5 6 7 22
219 Electric Heating 3 2 3 10 4 22
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 1 4 8 9 22
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 6 5 6 2 3 22
396 Photography 0 1 6 8 7 22
700 DP: Generic Control Systems or Specific Applications (Data Processing) 2 4 2 7 7 22
241 Solid Material Comminution or Disintegration 0 1 8 6 6 21
312 Supports: Cabinet Structure 1 2 3 8 7 21
358 Facsimile and Static Presentation Processing 0 2 2 5 12 21
030 Cutlery 2 3 6 2 7 20
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 2 1 3 2 12 20
292 Closure Fasteners 1 2 2 10 5 20
333 Wave Transmission Lines and Networks 1 3 8 2 6 20
415 Rotary Kinetic Fluid Motors or Pumps 1 2 5 3 9 20
427 Coating Processes 0 1 4 10 5 20
347 Incremental Printing of Symbolic Information 2 2 4 4 7 19
040 Card, Picture, or Sign Exhibiting 3 2 1 6 6 18
380 Cryptography 2 4 3 3 6 18
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1 0 3 3 11 18
108 Horizontally Supported Planar Surfaces 2 3 3 3 6 17
220 Receptacles 3 2 1 4 7 17
331 Oscillators 2 3 0 3 9 17
436 Chemistry: Analytical and Immunological Testing 0 2 1 5 9 17
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 4 4 2 4 3 17
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 5 8 3 16
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 3 8 2 0 3 16
099 Foods and Beverages: Apparatus 2 3 2 3 5 15
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 2 3 1 4 5 15
353 Optics: Image Projectors 0 1 1 4 9 15
604 Surgery (Medicators and Receptors) 2 2 2 3 6 15
070 Locks 4 0 4 3 3 14
096 Gas Separation: Apparatus 2 2 1 5 4 14
104 Railways 2 3 5 2 2 14
135 Tent, Canopy, Umbrella, or Cane 0 6 2 2 4 14
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 5 2 4 2 14
336 Inductor Devices 1 1 2 5 5 14
369 Dynamic Information Storage or Retrieval 2 0 4 5 3 14
417 Pumps 1 1 1 4 7 14
446 Amusement Devices: Toys 1 0 1 2 10 14
015 Brushing, Scrubbing, and General Cleaning 1 4 4 2 2 13
074 Machine Element or Mechanism 3 2 1 3 4 13
123 Internal-Combustion Engines 1 5 2 1 4 13
372 Coherent Light Generators 0 2 1 5 5 13
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 1 2 7 3 13
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 1 2 1 4 5 13
072 Metal Deforming 0 1 4 2 5 12
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 0 1 2 6 3 12
081 Tools 5 1 1 1 4 12
084 Music 1 4 1 3 3 12
106 Compositions: Coating or Plastic 1 1 1 5 4 12
208 Mineral Oils: Processes and Products 1 6 2 2 1 12
239 Fluid Sprinkling, Spraying, and Diffusing 2 0 1 5 4 12
290 Prime-Mover Dynamo Plants 1 1 1 6 3 12
351 Optics: Eye Examining, Vision Testing and Correcting 2 3 2 1 4 12
367 Communications, Electrical: Acoustic Wave Systems and Devices 1 3 1 4 3 12
585 Chemistry of Hydrocarbon Compounds 1 2 0 5 4 12
004 Baths, Closets, Sinks, and Spittoons 2 2 0 3 4 11
062 Refrigeration 3 3 0 3 2 11
173 Tool Driving or Impacting 2 3 0 2 4 11
279 Chucks or Sockets 3 1 2 2 3 11
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 1 2 1 7 11
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 1 1 5 1 3 11
601 Surgery: Kinesitherapy 0 1 0 4 6 11
606 Surgery (instruments) 2 1 1 4 3 11
095 Gas Separation: Processes 0 1 0 2 7 10
148 Metal Treatment 0 1 1 4 4 10
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 2 0 2 4 2 10
204 Chemistry: Electrical and Wave Energy 6 1 1 2 0 10
211 Supports: Racks 1 2 2 1 4 10
242 Winding, Tensioning, or Guiding 1 2 3 2 2 10
269 Work Holders 0 1 2 2 5 10
374 Thermal Measuring and Testing 1 0 3 4 2 10
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 2 0 2 6 10
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 2 0 1 3 4 10
038 Textiles: Ironing or Smoothing 1 3 2 3 0 9
055 Gas Separation 0 0 2 4 3 9
180 Motor Vehicles 0 1 2 3 3 9
227 Elongated-Member-Driving Apparatus 2 0 1 2 4 9
410 Freight Accommodation On Freight Carrier 0 2 3 0 4 9
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 2 7 9
725 Interactive Video Distribution Systems 1 2 0 2 4 9
119 Animal Husbandry 1 2 1 2 2 8
388 Electricity: Motor Control Systems 0 0 0 6 2 8
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 0 0 5 3 8
451 Abrading 2 1 2 1 2 8
014 Bridges 0 2 1 3 1 7
024 Buckles, Buttons, Clasps, Etc. 0 0 0 4 3 7
083 Cutting 2 0 0 3 2 7
134 Cleaning and Liquid Contact with Solids 0 1 1 2 3 7
137 Fluid Handling 0 1 2 2 2 7
160 Flexible or Portable Closure, Partition, or Panel 0 1 0 5 1 7
261 Gas and Liquid Contact Apparatus 0 1 0 2 4 7
368 Horology: Time Measuring Systems or Devices 0 1 1 1 4 7
392 Electric Resistance Heating Devices 0 1 2 2 2 7
399 Electrophotography 0 2 3 1 1 7
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 0 1 3 3 7
418 Rotary Expansible Chamber Devices 0 0 0 3 4 7
431 Combustion 2 2 3 0 0 7
450 Foundation Garments 2 1 3 1 0 7
475 Planetary Gear Transmission Systems or Components 0 1 0 2 4 7
708 Arithmetic Processing and Calculating (Electrical Computers) 1 0 1 2 3 7
060 Power Plants 0 0 0 0 6 6
144 Woodworking 1 0 1 4 0 6
164 Metal Founding 0 0 1 0 5 6
175 Boring or Penetrating the Earth 1 1 0 1 3 6
414 Material or Article Handling 0 1 0 3 2 6
501 Compositions: Ceramic 1 3 0 1 1 6
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 1 5 6
036 Boots, Shoes, and Leggings 0 3 0 2 0 5
101 Printing 0 0 1 2 2 5
126 Stoves and Furnaces 1 1 0 0 3 5
177 Weighing Scales 0 1 1 2 1 5
198 Conveyors: Power-Driven 0 1 1 2 1 5
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 1 0 0 2 2 5
209 Classifying, Separating, and Assorting Solids 0 1 2 1 1 5
222 Dispensing (apparatus and process) 0 0 0 2 3 5
236 Automatic Temperature and Humidity Regulation 0 0 0 2 3 5
296 Land Vehicles: Bodies and Tops 1 0 0 1 3 5
355 Photocopying 0 1 0 1 3 5
386 Motion Video Signal Processing for Recording or Reproducing 0 1 1 1 2 5
400 Typewriting Machines 0 0 0 1 4 5
403 Joints and Connections 0 0 2 1 2 5
405 Hydraulic and Earth Engineering 3 0 0 2 0 5
419 Powder Metallurgy Processes 1 0 2 1 1 5
426 Food or Edible Material: Processes, Compositions, and Products 0 0 1 2 2 5
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 1 0 1 3 5
048 Gas: Heating and Illuminating 0 0 0 1 3 4
057 Textiles: Spinning, Twisting, and Twining 0 1 1 1 1 4
110 Furnaces 1 0 0 0 3 4
162 Paper Making and Fiber Liberation 2 0 0 0 2 4
181 Acoustics 0 0 0 2 2 4
188 Brakes 0 0 1 1 2 4
192 Clutches and Power-Stop Control 0 2 0 1 1 4
216 Etching a Substrate: Processes 0 0 0 0 4 4
251 Valves and Valve Actuation 1 2 0 0 1 4
273 Amusement Devices: Games 0 1 1 1 1 4
285 Pipe Joints or Couplings 1 1 0 1 1 4
366 Agitating (e.g., of articles and materials) 0 1 1 1 1 4
401 Coating Implements with Material Supply 1 1 0 1 1 4
408 Cutting by Use of Rotating Axially Moving Tool 0 0 3 0 1 4
409 Gear Cutting, Milling, or Planing 1 0 3 0 0 4
420 Alloys or Metallic Compositions 0 0 0 3 1 4
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 2 0 1 1 4
002 Apparel 1 0 0 1 1 3
053 Package Making 0 0 1 0 2 3
056 Harvesters 0 0 0 2 1 3
071 Chemistry: Fertilizers 1 0 0 1 1 3
082 Turning (e.g., for metal working) 0 0 1 0 2 3
118 Coating Apparatus 0 0 1 1 1 3
182 Fire Escape, Ladder, or Scaffold 0 0 0 0 3 3
203 Distillation: Processes, Separatory 0 0 0 0 3 3
212 Traversing Hoists 0 0 2 0 1 3
228 Metal Fusion Bonding 0 0 1 0 2 3
266 Metallurgical Apparatus 0 0 1 0 2 3
271 Sheet Feeding or Delivering 1 1 1 0 0 3
294 Handling: Hand and Hoist-Line Implements 1 0 1 0 1 3
322 Electricity: Single Generator Systems 0 1 0 1 1 3
329 Demodulators 0 0 0 1 2 3
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 1 0 0 1 1 3
384 Bearings 1 1 1 0 0 3
454 Ventilation 0 0 1 2 0 3
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 0 3 0 3
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 1 0 0 2 3
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 0 0 1 2 3
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 0 1 1 1 3
019 Textiles: Fiber Preparation 0 1 1 0 0 2
023 Chemistry: Physical Processes 0 0 0 1 1 2
047 Plant Husbandry 0 0 0 1 1 2
051 Abrasive Tool Making Process, Material, or Composition 0 0 0 0 2 2
063 Jewelry 0 0 0 1 1 2
065 Glass Manufacturing 0 0 0 1 1 2
066 Textiles: Knitting 1 0 0 1 0 2
092 Expansible Chamber Devices 1 0 1 0 0 2
100 Presses 0 1 1 0 0 2
105 Railway Rolling Stock 0 0 1 1 0 2
111 Planting 0 2 0 0 0 2
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 1 0 0 1 0 2
122 Liquid Heaters and Vaporizers 0 0 0 0 2 2
139 Textiles: Weaving 0 1 1 0 0 2
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 1 0 1 0 2
178 Telegraphy 0 1 0 1 0 2
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 0 0 2 2
215 Bottles and Jars 0 0 0 1 1 2
221 Article Dispensing 0 0 0 2 0 2
229 Envelopes, Wrappers, and Paperboard Boxes 0 0 1 1 0 2
238 Railways: Surface Track 0 0 0 1 1 2
244 Aeronautics and Astronautics 1 0 0 0 1 2
249 Static Molds 1 0 0 0 1 2
301 Land Vehicles: Wheels and Axles 0 0 0 0 2 2
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 0 2 0 2
404 Road Structure, Process, or Apparatus 0 0 2 0 0 2
463 Amusement Devices: Games 0 0 1 0 1 2
473 Games Using Tangible Projectile 1 0 0 0 1 2
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 0 0 1 1 2
504 Plant Protecting and Regulating Compositions 0 0 0 2 0 2
512 Perfume Compositions 1 0 1 0 0 2
602 Surgery: Splint, Brace, or Bandage 0 1 0 1 0 2
028 Textiles: Manufacturing 0 1 0 0 0 1
042 Firearms 0 0 0 0 1 1
043 Fishing, Trapping, and Vermin Destroying 0 0 1 0 0 1
068 Textiles: Fluid Treating Apparatus 0 0 0 0 1 1
076 Metal Tools and Implements, Making 0 0 1 0 0 1
079 Button Making 0 0 0 1 0 1
087 Textiles: Braiding, Netting, and Lace Making 0 0 0 1 0 1
091 Motors: Expansible Chamber Type 0 0 1 0 0 1
102 Ammunition and Explosives 0 0 0 1 0 1
112 Sewing 0 0 0 0 1 1
114 Ships 0 1 0 0 0 1
116 Signals and Indicators 0 0 1 0 0 1
124 Mechanical Guns and Projectors 0 1 0 0 0 1
125 Stone Working 0 0 0 0 1 1
127 Sugar, Starch, and Carbohydrates 0 0 0 0 1 1
131 Tobacco 0 0 0 0 1 1
132 Toilet 0 0 0 0 1 1
136 Batteries: Thermoelectric and Photoelectric 0 0 0 0 1 1
138 Pipes and Tubular Conduits 0 0 0 1 0 1
184 Lubrication 1 0 0 0 0 1
190 Trunks and Hand-Carried Luggage 0 0 1 0 0 1
191 Electricity: Transmission To Vehicles 0 0 1 0 0 1
194 Check-Actuated Control Mechanisms 0 0 0 1 0 1
196 Mineral Oils: Apparatus 0 0 0 1 0 1
223 Apparel Apparatus 0 1 0 0 0 1
224 Package and Article Carriers 0 0 0 1 0 1
226 Advancing Material of Indeterminate Length 0 0 0 0 1 1
281 Books, Strips, and Leaves 0 0 1 0 0 1
300 Brush, Broom, and Mop Making 0 0 0 0 1 1
303 Fluid-Pressure and Analogous Brake Systems 0 1 0 0 0 1
332 Modulators 0 0 0 1 0 1
338 Electrical Resistors 0 0 0 0 1 1
373 Industrial Electric Heating Furnaces 0 0 0 1 0 1
407 Cutters, for Shaping 0 0 0 0 1 1
432 Heating 1 0 0 0 0 1
433 Dentistry 1 0 0 0 0 1
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 0 0 0 1 0 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 1 0 0 0 1
472 Amusement Devices 0 0 0 0 1 1
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 0 0 1 1
483 Tool Changing 0 1 0 0 0 1
505 Superconductor Technology: Apparatus, Material, Process 0 0 1 0 0 1
ALL ALL CLASSES 772 1225 1655 2657 3174 9483


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U.S. Patent and Trademark Office
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tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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