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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

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

Count of 1998 - 2002 Utility Patent Grants,
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,HONG KONG S.A.R.

( patent origin is determined by the residence of the first-named inventor )
( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )

The following table displays technology classes and counts of associated patents, as distributed by the year of patent grant
Class Class Title 1998 1999 2000 2001 2002 Total
099 Foods and Beverages: Apparatus 7 15 7 11 13 53
446 Amusement Devices: Toys 9 8 7 10 16 50
362 Illumination 5 6 8 10 7 36
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 10 9 5 6 4 34
396 Photography 4 1 3 13 7 28
015 Brushing, Scrubbing, and General Cleaning 8 0 4 6 8 26
363 Electric Power Conversion Systems 4 6 6 2 7 25
431 Combustion 6 3 5 6 4 24
206 Special Receptacle or Package 3 1 5 6 7 22
219 Electric Heating 1 2 7 5 7 22
315 Electric Lamp and Discharge Devices: Systems 1 5 4 5 5 20
310 Electrical Generator or Motor Structure 5 4 5 1 1 16
435 Chemistry: Molecular Biology and Microbiology 1 2 2 5 6 16
428 Stock Material or Miscellaneous Articles 2 3 5 1 4 15
361 Electricity: Electrical Systems and Devices 3 5 1 2 2 13
439 Electrical Connectors 2 3 2 2 3 12
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 3 2 2 1 3 11
132 Toilet 3 4 2 1 0 10
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 1 0 5 2 2 10
438 Semiconductor Device Manufacturing: Process 0 0 2 3 5 10
463 Amusement Devices: Games 3 2 2 1 2 10
369 Dynamic Information Storage or Retrieval 3 0 3 2 1 9
379 Telephonic Communications 2 1 4 2 0 9
002 Apparel 1 3 1 2 1 8
084 Music 1 2 1 3 1 8
200 Electricity: Circuit Makers and Breakers 1 1 2 2 2 8
273 Amusement Devices: Games 3 2 1 0 2 8
340 Communications: Electrical 1 2 1 2 2 8
368 Horology: Time Measuring Systems or Devices 0 0 2 2 4 8
392 Electric Resistance Heating Devices 2 1 0 5 0 8
473 Games Using Tangible Projectile 1 2 2 2 1 8
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 1 1 5 0 8
030 Cutlery 0 2 1 2 2 7
040 Card, Picture, or Sign Exhibiting 0 0 2 0 5 7
070 Locks 0 0 3 2 2 7
228 Metal Fusion Bonding 0 1 2 3 1 7
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 4 0 1 2 7
351 Optics: Eye Examining, Vision Testing and Correcting 0 2 2 1 2 7
359 Optics: Systems (Including Communication) and Elements 2 2 0 0 3 7
375 Pulse or Digital Communications 1 3 1 1 1 7
532 Organic Compounds (includes Classes 532-570) 2 5 0 0 0 7
004 Baths, Closets, Sinks, and Spittoons 2 0 0 0 4 6
029 Metal Working 1 1 0 2 2 6
128 Surgery (includes Class 600) 0 0 1 0 5 6
220 Receptacles 0 1 0 2 3 6
222 Dispensing (apparatus and process) 2 1 0 0 3 6
280 Land Vehicles 2 0 0 2 2 6
366 Agitating (e.g., of articles and materials) 3 0 0 0 3 6
400 Typewriting Machines 0 0 3 1 2 6
401 Coating Implements with Material Supply 0 0 0 3 3 6
024 Buckles, Buttons, Clasps, Etc. 0 0 1 2 2 5
043 Fishing, Trapping, and Vermin Destroying 0 2 1 1 1 5
204 Chemistry: Electrical and Wave Energy 0 0 1 4 0 5
323 Electricity: Power Supply or Regulation Systems 2 0 0 3 0 5
349 Liquid Crystal Cells, Elements and Systems 0 2 1 0 2 5
455 Telecommunications 2 0 0 2 1 5
034 Drying and Gas or Vapor Contact with Solids 1 1 0 1 1 4
036 Boots, Shoes, and Leggings 2 1 1 0 0 4
063 Jewelry 1 0 0 1 2 4
074 Machine Element or Mechanism 0 1 0 1 2 4
081 Tools 1 0 0 2 1 4
101 Printing 2 1 0 1 0 4
135 Tent, Canopy, Umbrella, or Cane 0 0 0 1 3 4
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 1 2 1 0 4
242 Winding, Tensioning, or Guiding 0 0 2 1 1 4
248 Supports (e.g., for holding articles, etc.) 1 1 0 2 0 4
250 Radiant Energy 2 0 0 1 1 4
313 Electric Lamp and Discharge Devices 0 1 0 0 3 4
320 Electricity: Battery or Capacitor Charging or Discharging 1 0 1 1 1 4
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 1 0 0 3 4
370 Multiplex Communications 0 1 2 1 0 4
381 Electrical Audio Signal Processing Systems and Devices 1 0 0 2 1 4
423 Chemistry of Inorganic Compounds 3 0 0 0 1 4
426 Food or Edible Material: Processes, Compositions, and Products 1 0 1 2 0 4
606 Surgery (instruments) 0 1 2 0 1 4
711 Memory (Electrical Computers and Digital Processing Systems) 1 1 1 1 0 4
714 Error Detection/Correction and Fault Detection/Recovery 0 1 3 0 0 4
005 Beds 0 0 2 1 0 3
038 Textiles: Ironing or Smoothing 0 0 1 1 1 3
053 Package Making 1 1 0 1 0 3
062 Refrigeration 0 0 0 2 1 3
112 Sewing 0 1 1 1 0 3
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 1 1 1 0 3
118 Coating Apparatus 0 0 0 3 0 3
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 1 2 0 0 3
318 Electricity: Motive Power Systems 1 0 0 1 1 3
343 Communications: Radio Wave Antennas 1 0 2 0 0 3
380 Cryptography 2 1 0 0 0 3
383 Flexible Bags 0 1 1 1 0 3
385 Optical Waveguides 0 1 0 2 0 3
417 Pumps 0 1 1 1 0 3
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 1 0 1 1 0 3
707 DP: Database and File Management or Data Structures (Data Processing) 1 0 1 0 1 3
033 Geometrical Instruments 0 0 1 0 1 2
047 Plant Husbandry 0 1 0 1 0 2
052 Static Structures (e.g., Buildings) 0 0 0 1 1 2
059 Chain, Staple, and Horseshoe Making 0 0 0 1 1 2
060 Power Plants 0 0 1 1 0 2
073 Measuring and Testing 0 0 0 1 1 2
083 Cutting 0 0 0 2 0 2
096 Gas Separation: Apparatus 0 0 0 1 1 2
102 Ammunition and Explosives 0 0 0 2 0 2
116 Signals and Indicators 0 0 0 1 1 2
123 Internal-Combustion Engines 0 0 1 1 0 2
160 Flexible or Portable Closure, Partition, or Panel 0 0 1 1 0 2
173 Tool Driving or Impacting 0 0 1 0 1 2
210 Liquid Purification or Separation 0 0 1 0 1 2
211 Supports: Racks 0 0 1 1 0 2
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 0 0 0 2 0 2
239 Fluid Sprinkling, Spraying, and Diffusing 0 0 1 1 0 2
241 Solid Material Comminution or Disintegration 1 0 0 0 1 2
252 Compositions 0 0 1 1 0 2
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 0 0 1 1 2
297 Chairs and Seats 0 0 0 2 0 2
312 Supports: Cabinet Structure 0 0 1 1 0 2
324 Electricity: Measuring and Testing 0 0 1 1 0 2
332 Modulators 0 1 1 0 0 2
333 Wave Transmission Lines and Networks 1 0 0 0 1 2
336 Inductor Devices 1 0 0 0 1 2
341 Coded Data Generation or Conversion 0 0 1 0 1 2
356 Optics: Measuring and Testing 1 0 1 0 0 2
360 Dynamic Magnetic Information Storage or Retrieval 1 0 0 1 0 2
382 Image Analysis 0 0 1 0 1 2
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 1 0 0 1 2
427 Coating Processes 0 0 0 1 1 2
434 Education and Demonstration 0 0 1 1 0 2
451 Abrading 0 0 1 1 0 2
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 0 0 2 2
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 0 1 0 0 2
001 ** Classification Undetermined ** 1 0 0 0 0 1
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 0 0 1 1
012 Boot and Shoe Making 0 1 0 0 0 1
054 Harness (for animals) 1 0 0 0 0 1
072 Metal Deforming 0 0 1 0 0 1
104 Railways 0 0 0 1 0 1
106 Compositions: Coating or Plastic 0 0 1 0 0 1
114 Ships 0 0 0 0 1 1
124 Mechanical Guns and Projectors 1 0 0 0 0 1
134 Cleaning and Liquid Contact with Solids 0 0 0 1 0 1
136 Batteries: Thermoelectric and Photoelectric 0 0 0 0 1 1
138 Pipes and Tubular Conduits 1 0 0 0 0 1
164 Metal Founding 0 0 0 0 1 1
169 Fire Extinguishers 0 0 0 1 0 1
175 Boring or Penetrating the Earth 0 1 0 0 0 1
180 Motor Vehicles 0 0 1 0 0 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 1 0 0 1
208 Mineral Oils: Processes and Products 1 0 0 0 0 1
216 Etching a Substrate: Processes 0 0 0 1 0 1
221 Article Dispensing 1 0 0 0 0 1
223 Apparel Apparatus 0 0 0 1 0 1
229 Envelopes, Wrappers, and Paperboard Boxes 1 0 0 0 0 1
238 Railways: Surface Track 0 0 0 0 1 1
246 Railway Switches and Signals 0 0 1 0 0 1
256 Fences 0 0 0 1 0 1
281 Books, Strips, and Leaves 0 1 0 0 0 1
292 Closure Fasteners 1 0 0 0 0 1
294 Handling: Hand and Hoist-Line Implements 0 0 1 0 0 1
307 Electrical Transmission or Interconnection Systems 1 0 0 0 0 1
330 Amplifiers 0 0 0 1 0 1
331 Oscillators 0 1 0 0 0 1
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 1 0 0 0 1
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 0 0 1 1
338 Electrical Resistors 1 0 0 0 0 1
347 Incremental Printing of Symbolic Information 0 0 0 0 1 1
348 Television 0 1 0 0 0 1
353 Optics: Image Projectors 0 0 0 0 1 1
358 Facsimile and Static Presentation Processing 0 1 0 0 0 1
372 Coherent Light Generators 0 0 0 0 1 1
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 0 0 1 0 1
384 Bearings 0 0 0 1 0 1
386 Television Signal Processing for Dynamic Recording or Reproducing 0 0 1 0 0 1
403 Joints and Connections 1 0 0 0 0 1
408 Cutting by Use of Rotating Axially Moving Tool 0 1 0 0 0 1
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 1 0 1
419 Powder Metallurgy Processes 0 0 0 1 0 1
433 Dentistry 0 0 0 1 0 1
440 Marine Propulsion 0 0 0 0 1 1
454 Ventilation 0 0 0 1 0 1
482 Exercise Devices 1 0 0 0 0 1
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 0 0 0 1 0 1
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 0 0 0 1 1
601 Surgery: Kinesitherapy 0 0 0 1 0 1
604 Surgery (Medicators and Receptors) 1 0 0 0 0 1
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 0 1 0 1
708 Arithmetic Processing and Calculating (Electrical Computers) 0 0 0 1 0 1
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 0 1 0 0 0 1
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 1
713 Support (Electrical Computers and Digital Processing Systems) 0 1 0 0 0 1
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 0 0 0 1 1
ALL ALL CLASSES 160 155 179 237 233 964


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