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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

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

Count of 2004 - 2008 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 2004 2005 2006 2007 2008 Total
439 Electrical Connectors 57 54 99 64 125 399
361 Electricity: Electrical Systems and Devices 17 8 18 63 104 210
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 23 20 23 27 24 117
382 Image Analysis 7 5 17 25 49 103
370 Multiplex Communications 3 6 12 11 47 79
455 Telecommunications 2 6 27 19 19 73
707 DP: Database and File Management or Data Structures (Data Processing) 3 6 10 19 34 72
375 Pulse or Digital Communications 10 9 11 18 16 64
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 5 6 16 15 20 62
438 Semiconductor Device Manufacturing: Process 3 9 12 14 19 57
345 Computer Graphics Processing and Selective Visual Display Systems 4 5 19 17 10 55
532 Organic Compounds (includes Classes 532-570) 10 5 4 19 17 55
324 Electricity: Measuring and Testing 2 2 12 14 22 52
362 Illumination 3 6 3 9 29 50
435 Chemistry: Molecular Biology and Microbiology 8 5 13 13 9 48
702 DP: Measuring, Calibrating, or Testing (Data Processing) 6 3 6 12 21 48
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 10 4 8 10 8 40
165 Heat Exchange 4 2 9 9 15 39
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 7 10 3 8 11 39
315 Electric Lamp and Discharge Devices: Systems 5 3 2 5 22 37
385 Optical Waveguides 8 8 4 10 7 37
359 Optical: Systems and Elements 5 4 4 10 11 34
360 Dynamic Magnetic Information Storage or Retrieval 3 4 4 8 14 33
378 X-Ray or Gamma Ray Systems or Devices 0 3 7 5 18 33
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 5 1 4 9 13 32
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 5 2 6 8 10 31
016 Miscellaneous Hardware 0 0 10 5 15 30
297 Chairs and Seats 2 2 11 4 7 26
363 Electric Power Conversion Systems 4 2 11 2 7 26
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 3 3 5 1 14 26
318 Electricity: Motive Power Systems 2 0 3 9 9 23
356 Optics: Measuring and Testing 3 1 5 7 7 23
200 Electricity: Circuit Makers and Breakers 2 3 5 3 9 22
713 Support (Electrical Computers and Digital Processing Systems) 0 1 1 7 13 22
029 Metal Working 2 0 8 7 4 21
313 Electric Lamp and Discharge Devices 0 3 3 4 11 21
711 Memory (Electrical Computers and Digital Processing Systems) 2 1 3 6 9 21
720 Dynamic Optical Information Storage or Retrieval 0 0 0 8 13 21
219 Electric Heating 7 5 3 3 2 20
250 Radiant Energy 2 0 4 3 11 20
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 5 4 6 5 20
310 Electrical Generator or Motor Structure 4 1 1 7 6 19
033 Geometrical Instruments 1 1 2 6 8 18
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 2 4 5 4 3 18
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 1 0 4 5 7 17
423 Chemistry of Inorganic Compounds 6 1 3 6 1 17
714 Error Detection/Correction and Fault Detection/Recovery 0 1 6 3 7 17
005 Beds 2 1 3 4 6 16
248 Supports (e.g., for holding articles, etc.) 3 1 1 7 4 16
340 Communications: Electrical 0 1 3 5 7 16
717 DP: Software Development, Installation, and Management (Data Processing) 1 0 3 5 7 16
030 Cutlery 1 2 7 2 3 15
062 Refrigeration 3 5 1 3 3 15
206 Special Receptacle or Package 2 6 2 2 3 15
348 Television 2 0 4 3 6 15
431 Combustion 6 3 2 2 2 15
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 0 1 1 4 9 15
073 Measuring and Testing 1 1 2 2 8 14
208 Mineral Oils: Processes and Products 4 2 1 1 6 14
280 Land Vehicles 2 2 2 1 7 14
330 Amplifiers 1 3 3 3 4 14
341 Coded Data Generation or Conversion 1 2 4 1 5 13
365 Static Information Storage and Retrieval 1 0 2 4 6 13
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 2 2 1 3 5 13
451 Abrading 0 6 4 2 1 13
084 Music 1 1 5 1 4 12
099 Foods and Beverages: Apparatus 4 2 1 2 3 12
108 Horizontally Supported Planar Surfaces 2 3 2 2 3 12
174 Electricity: Conductors and Insulators 2 3 2 2 3 12
307 Electrical Transmission or Interconnection Systems 1 0 3 1 7 12
323 Electricity: Power Supply or Regulation Systems 1 0 1 4 6 12
379 Telephonic Communications 2 1 2 4 3 12
706 DP: Artificial Intelligence (Data Processing) 1 1 3 1 6 12
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 0 0 2 3 7 12
004 Baths, Closets, Sinks, and Spittoons 3 0 4 2 2 11
015 Brushing, Scrubbing, and General Cleaning 1 1 4 1 4 11
052 Static Structures (e.g., Buildings) 3 2 2 1 3 11
081 Tools 0 3 2 5 1 11
204 Chemistry: Electrical and Wave Energy 1 0 3 6 1 11
210 Liquid Purification or Separation 0 2 2 4 3 11
279 Chucks or Sockets 0 3 4 3 1 11
326 Electronic Digital Logic Circuitry 1 0 1 1 8 11
585 Chemistry of Hydrocarbon Compounds 3 3 2 1 2 11
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 2 0 3 6 11
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 0 2 2 6 11
128 Surgery (includes Class 600) 3 2 1 1 3 10
428 Stock Material or Miscellaneous Articles 0 1 2 7 0 10
074 Machine Element or Mechanism 0 4 0 3 2 9
252 Compositions 2 3 1 1 2 9
254 Implements or Apparatus for Applying Pushing or Pulling Force 2 0 1 1 5 9
372 Coherent Light Generators 4 0 3 0 2 9
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 1 2 2 4 9
135 Tent, Canopy, Umbrella, or Cane 0 1 1 0 6 8
220 Receptacles 0 2 1 3 2 8
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 1 0 2 2 3 8
343 Communications: Radio Wave Antennas 1 2 2 0 3 8
347 Incremental Printing of Symbolic Information 0 2 2 2 2 8
351 Optics: Eye Examining, Vision Testing and Correcting 2 0 1 2 3 8
380 Cryptography 0 1 1 2 4 8
381 Electrical Audio Signal Processing Systems and Devices 2 2 0 2 2 8
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 1 3 2 2 8
040 Card, Picture, or Sign Exhibiting 1 1 0 3 2 7
123 Internal-Combustion Engines 0 1 0 1 5 7
251 Valves and Valve Actuation 2 1 1 1 2 7
312 Supports: Cabinet Structure 0 2 2 1 2 7
320 Electricity: Battery or Capacitor Charging or Discharging 1 1 2 1 2 7
331 Oscillators 0 1 1 2 3 7
475 Planetary Gear Transmission Systems or Components 1 5 0 0 1 7
482 Exercise Devices 0 0 1 1 5 7
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 0 1 4 1 1 7
070 Locks 2 0 0 4 0 6
096 Gas Separation: Apparatus 1 0 1 2 2 6
119 Animal Husbandry 2 1 0 1 2 6
137 Fluid Handling 2 2 1 0 1 6
148 Metal Treatment 2 1 2 0 1 6
173 Tool Driving or Impacting 0 1 0 2 3 6
209 Classifying, Separating, and Assorting Solids 0 2 3 0 1 6
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 1 1 1 3 6
399 Electrophotography 0 1 3 0 2 6
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 3 0 2 0 1 6
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 1 2 1 2 6
450 Foundation Garments 1 1 1 2 1 6
501 Compositions: Ceramic 1 0 1 1 3 6
604 Surgery (Medicators and Receptors) 0 0 2 2 2 6
606 Surgery (instruments) 0 1 2 2 1 6
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 1 3 2 0 6
038 Textiles: Ironing or Smoothing 0 0 1 1 3 5
104 Railways 0 0 0 2 3 5
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 2 0 1 2 0 5
239 Fluid Sprinkling, Spraying, and Diffusing 1 1 1 2 0 5
333 Wave Transmission Lines and Networks 1 0 0 1 3 5
336 Inductor Devices 2 0 1 1 1 5
349 Liquid Crystal Cells, Elements and Systems 1 1 1 0 2 5
369 Dynamic Information Storage or Retrieval 2 1 0 2 0 5
392 Electric Resistance Heating Devices 1 1 2 0 1 5
398 Optical Communications 0 1 0 1 3 5
405 Hydraulic and Earth Engineering 1 1 0 3 0 5
410 Freight Accommodation On Freight Carrier 0 2 1 0 2 5
036 Boots, Shoes, and Leggings 0 1 0 0 3 4
060 Power Plants 3 0 1 0 0 4
106 Compositions: Coating or Plastic 0 0 2 1 1 4
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 1 0 2 1 4
160 Flexible or Portable Closure, Partition, or Panel 0 1 2 0 1 4
211 Supports: Racks 0 1 0 1 2 4
228 Metal Fusion Bonding 0 3 1 0 0 4
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 1 2 0 0 1 4
285 Pipe Joints or Couplings 0 1 1 1 1 4
292 Closure Fasteners 0 0 1 1 2 4
353 Optics: Image Projectors 0 1 2 0 1 4
384 Bearings 0 1 1 1 1 4
401 Coating Implements with Material Supply 0 1 1 1 1 4
415 Rotary Kinetic Fluid Motors or Pumps 0 0 1 1 2 4
417 Pumps 0 1 1 1 1 4
436 Chemistry: Analytical and Immunological Testing 0 2 0 0 2 4
049 Movable or Removable Closures 0 1 2 0 0 3
053 Package Making 2 1 0 0 0 3
072 Metal Deforming 0 1 1 0 1 3
102 Ammunition and Explosives 2 0 1 0 0 3
126 Stoves and Furnaces 0 1 0 1 1 3
131 Tobacco 2 1 0 0 0 3
175 Boring or Penetrating the Earth 0 0 1 1 1 3
222 Dispensing (apparatus and process) 0 3 0 0 0 3
227 Elongated-Member-Driving Apparatus 0 1 0 2 0 3
242 Winding, Tensioning, or Guiding 0 0 0 1 2 3
271 Sheet Feeding or Delivering 0 1 0 1 1 3
273 Amusement Devices: Games 2 0 0 0 1 3
290 Prime-Mover Dynamo Plants 0 0 1 1 1 3
296 Land Vehicles: Bodies and Tops 1 1 0 1 0 3
355 Photocopying 1 0 1 0 1 3
366 Agitating (e.g., of articles and materials) 0 0 2 0 1 3
374 Thermal Measuring and Testing 0 2 0 1 0 3
414 Material or Article Handling 0 0 2 0 1 3
416 Fluid Reaction Surfaces (i.e., Impellers) 1 2 0 0 0 3
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 0 2 0 1 3
601 Surgery: Kinesitherapy 0 1 1 0 1 3
725 Interactive Video Distribution Systems 0 0 0 1 2 3
726 Information Security 0 0 0 0 3 3
007 Compound Hand Tools 1 1 0 0 0 2
014 Bridges 0 0 0 0 2 2
044 Fuel and Related Compositions 1 0 1 0 0 2
066 Textiles: Knitting 1 0 0 1 0 2
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 0 0 0 1 2
083 Cutting 0 0 0 2 0 2
110 Furnaces 0 0 1 1 0 2
111 Planting 0 0 0 0 2 2
125 Stone Working 0 0 2 0 0 2
134 Cleaning and Liquid Contact with Solids 0 0 1 0 1 2
139 Textiles: Weaving 0 0 1 0 1 2
162 Paper Making and Fiber Liberation 0 0 0 2 0 2
177 Weighing Scales 0 0 1 0 1 2
180 Motor Vehicles 0 0 1 0 1 2
182 Fire Escape, Ladder, or Scaffold 0 1 1 0 0 2
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 1 0 1 0 0 2
192 Clutches and Power-Stop Control 0 0 0 0 2 2
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 2 0 0 0 2
241 Solid Material Comminution or Disintegration 0 0 1 0 1 2
244 Aeronautics and Astronautics 0 0 1 1 0 2
269 Work Holders 1 0 0 0 1 2
277 Seal for a Joint or Juncture 1 0 1 0 0 2
358 Facsimile and Static Presentation Processing 0 0 0 0 2 2
396 Photography 0 1 0 0 1 2
408 Cutting by Use of Rotating Axially Moving Tool 1 1 0 0 0 2
409 Gear Cutting, Milling, or Planing 0 0 1 1 0 2
419 Powder Metallurgy Processes 1 0 0 1 0 2
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 1 0 0 0 1 2
446 Amusement Devices: Toys 1 0 0 1 0 2
463 Amusement Devices: Games 1 1 0 0 0 2
473 Games Using Tangible Projectile 0 0 1 1 0 2
474 Endless Belt Power Transmission Systems or Components 0 1 1 0 0 2
504 Plant Protecting and Regulating Compositions 1 1 0 0 0 2
512 Perfume Compositions 0 1 0 1 0 2
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 1 0 0 0 1 2
602 Surgery: Splint, Brace, or Bandage 0 0 1 0 1 2
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 1 1 0 0 2
708 Arithmetic Processing and Calculating (Electrical Computers) 1 0 0 1 0 2
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 0 0 0 2 2
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 0 0 2 2
002 Apparel 0 0 0 1 0 1
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 1 0 0 1
019 Textiles: Fiber Preparation 0 0 0 0 1 1
024 Buckles, Buttons, Clasps, Etc. 1 0 0 0 0 1
028 Textiles: Manufacturing 0 0 0 0 1 1
042 Firearms 0 0 1 0 0 1
047 Plant Husbandry 1 0 0 0 0 1
055 Gas Separation 1 0 0 0 0 1
057 Textiles: Spinning, Twisting, and Twining 0 0 0 0 1 1
071 Chemistry: Fertilizers 0 0 0 1 0 1
092 Expansible Chamber Devices 0 0 0 1 0 1
095 Gas Separation: Processes 0 0 0 0 1 1
100 Presses 0 0 0 0 1 1
101 Printing 0 1 0 0 0 1
114 Ships 0 0 0 0 1 1
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 0 1 0 1
124 Mechanical Guns and Projectors 0 0 0 0 1 1
132 Toilet 0 1 0 0 0 1
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 0 0 0 1 1
144 Woodworking 0 0 0 1 0 1
164 Metal Founding 1 0 0 0 0 1
178 Telegraphy 0 0 0 0 1 1
181 Acoustics 0 1 0 0 0 1
184 Lubrication 0 0 0 1 0 1
188 Brakes 0 0 1 0 0 1
191 Electricity: Transmission To Vehicles 0 1 0 0 0 1
198 Conveyors: Power-Driven 0 0 0 0 1 1
203 Distillation: Processes, Separatory 1 0 0 0 0 1
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 0 0 1 0 1
223 Apparel Apparatus 0 0 0 0 1 1
249 Static Molds 0 0 0 1 0 1
261 Gas and Liquid Contact Apparatus 0 0 0 0 1 1
294 Handling: Hand and Hoist-Line Implements 0 0 0 1 0 1
301 Land Vehicles: Wheels and Axles 0 0 1 0 0 1
303 Fluid-Pressure and Analogous Brake Systems 0 0 0 0 1 1
322 Electricity: Single Generator Systems 0 0 0 0 1 1
368 Horology: Time Measuring Systems or Devices 0 0 0 0 1 1
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 0 0 1 0 1
386 Television Signal Processing for Dynamic Recording or Reproducing 0 0 0 0 1 1
400 Typewriting Machines 0 1 0 0 0 1
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 1 0 0 0 1
418 Rotary Expansible Chamber Devices 1 0 0 0 0 1
426 Food or Edible Material: Processes, Compositions, and Products 0 0 1 0 0 1
427 Coating Processes 0 0 0 0 1 1
432 Heating 0 0 0 1 0 1
433 Dentistry 0 0 0 1 0 1
441 Buoys, Rafts, and Aquatic Devices 0 1 0 0 0 1
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 0 0 0 0 1
454 Ventilation 1 0 0 0 0 1
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 0 0 1 1
483 Tool Changing 0 0 0 0 1 1
505 Superconductor Technology: Apparatus, Material, Process 0 1 0 0 0 1
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 0 0 0 1 1
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 1 0 0 0 0 1
607 Surgery: Light, Thermal, and Electrical Application 1 0 0 0 0 1
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 0 0 1 0 1
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 0 1 0 0 1
ALL ALL CLASSES 404 402 661 772 1225 3464


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Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


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