U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
Technology Assessment and Forecast (TAF) Branch

Patenting By Geographic Region (State and Country), Breakout By Technology Class
Count of 1997 - 2001 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')
 
Class Class Title 1997 1998 1999 2000 2001 Total
099 Foods and Beverages: Apparatus 7 7 15 7 11 47
446 Amusement Devices: Toys 5 9 8 7 10 39
362 Illumination 2 5 6 8 10 31
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 10 9 5 6 30
396 Photography 2 4 1 3 13 23
363 Electric Power Conversion Systems 4 4 6 6 2 22
431 Combustion 2 6 3 5 6 22
015 Brushing, Scrubbing, and General Cleaning 3 8 0 4 6 21
206 Special Receptacle or Package 2 3 1 5 6 17
315 Electric Lamp and Discharge Devices: Systems 2 1 5 4 5 17
219 Electric Heating 1 1 2 7 5 16
310 Electrical Generator or Motor Structure 1 5 4 5 1 16
361 Electricity: Electrical Systems and Devices 3 3 5 1 2 14
428 Stock Material or Miscellaneous Articles 1 2 3 5 1 12
132 Toilet 1 3 4 2 1 11
369 Dynamic Information Storage or Retrieval 3 3 0 3 2 11
435 Chemistry: Molecular Biology and Microbiology 1 1 2 2 5 11
439 Electrical Connectors 1 2 3 2 2 10
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 1 3 2 2 1 9
379 Telephonic Communications 0 2 1 4 2 9
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 1 1 0 5 2 9
463 Amusement Devices: Games 1 3 2 2 1 9
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 1 1 1 5 9
002 Apparel 1 1 3 1 2 8
084 Music 1 1 2 1 3 8
273 Amusement Devices: Games 2 3 2 1 0 8
392 Electric Resistance Heating Devices 0 2 1 0 5 8
375 Pulse or Digital Communications 1 1 3 1 1 7
473 Games Using Tangible Projectile 0 1 2 2 2 7
532 Organic Compounds (includes Classes 532-570) 0 2 5 0 0 7
070 Locks 1 0 0 3 2 6
200 Electricity: Circuit Makers and Breakers 0 1 1 2 2 6
228 Metal Fusion Bonding 0 0 1 2 3 6
340 Communications: Electrical 0 1 2 1 2 6
030 Cutlery 0 0 2 1 2 5
034 Drying and Gas or Vapor Contact with Solids 2 1 1 0 1 5
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 1 0 1 2 1 5
204 Chemistry: Electrical and Wave Energy 0 0 0 1 4 5
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 4 0 1 5
280 Land Vehicles 1 2 0 0 2 5
323 Electricity: Power Supply or Regulation Systems 0 2 0 0 3 5
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 2 2 1 5
029 Metal Working 0 1 1 0 2 4
036 Boots, Shoes, and Leggings 0 2 1 1 0 4
040 Card, Picture, or Sign Exhibiting 2 0 0 2 0 4
043 Fishing, Trapping, and Vermin Destroying 0 0 2 1 1 4
101 Printing 0 2 1 0 1 4
118 Coating Apparatus 0 0 0 1 3 4
222 Dispensing (apparatus and process) 1 2 1 0 0 4
248 Supports (e.g., for holding articles, etc.) 0 1 1 0 2 4
359 Optics: Systems (Including Communication) and Elements 0 2 2 0 0 4
368 Horology: Time Measuring Systems or Devices 0 0 0 2 2 4
370 Multiplex Communications 0 0 1 2 1 4
400 Typewriting Machines 0 0 0 3 1 4
426 Food or Edible Material: Processes, Compositions, and Products 0 1 0 1 2 4
438 Semiconductor Device Manufacturing: Process 0 0 0 1 3 4
455 Telecommunications 0 2 0 0 2 4
711 Memory (Electrical Computers and Digital Processing Systems) 0 1 1 1 1 4
714 Error Detection/Correction and Fault Detection/Recovery 0 0 1 3 0 4
005 Beds 0 0 0 2 1 3
024 Buckles, Buttons, Clasps, Etc. 0 0 0 1 2 3
047 Plant Husbandry 1 0 1 0 1 3
053 Package Making 0 1 1 0 1 3
081 Tools 0 1 0 0 2 3
083 Cutting 1 0 0 0 2 3
112 Sewing 0 0 1 1 1 3
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 1 1 1 3
123 Internal-Combustion Engines 1 0 0 1 1 3
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 0 1 2 0 3
220 Receptacles 0 0 1 0 2 3
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 1 0 0 0 2 3
242 Winding, Tensioning, or Guiding 0 0 0 2 1 3
250 Radiant Energy 0 2 0 0 1 3
297 Chairs and Seats 1 0 0 0 2 3
307 Electrical Transmission or Interconnection Systems 2 1 0 0 0 3
320 Electricity: Battery or Capacitor Charging or Discharging 0 1 0 1 1 3
324 Electricity: Measuring and Testing 1 0 0 1 1 3
343 Communications: Radio Wave Antennas 0 1 0 2 0 3
349 Liquid Crystal Cells, Elements and Systems 0 0 2 1 0 3
360 Dynamic Magnetic Information Storage or Retrieval 1 1 0 0 1 3
366 Agitating (e.g., of articles and materials) 0 3 0 0 0 3
380 Cryptography 0 2 1 0 0 3
381 Electrical Audio Signal Processing Systems and Devices 0 1 0 0 2 3
383 Flexible Bags 0 0 1 1 1 3
385 Optical Waveguides 0 0 1 0 2 3
401 Coating Implements with Material Supply 0 0 0 0 3 3
417 Pumps 0 0 1 1 1 3
423 Chemistry of Inorganic Compounds 0 3 0 0 0 3
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 1 0 1 1 3
434 Education and Demonstration 1 0 0 1 1 3
451 Abrading 1 0 0 1 1 3
606 Surgery (instruments) 0 0 1 2 0 3
004 Baths, Closets, Sinks, and Spittoons 0 2 0 0 0 2
038 Textiles: Ironing or Smoothing 0 0 0 1 1 2
060 Power Plants 0 0 0 1 1 2
062 Refrigeration 0 0 0 0 2 2
063 Jewelry 0 1 0 0 1 2
073 Measuring and Testing 1 0 0 0 1 2
074 Machine Element or Mechanism 0 0 1 0 1 2
102 Ammunition and Explosives 0 0 0 0 2 2
124 Mechanical Guns and Projectors 1 1 0 0 0 2
160 Flexible or Portable Closure, Partition, or Panel 0 0 0 1 1 2
211 Supports: Racks 0 0 0 1 1 2
239 Fluid Sprinkling, Spraying, and Diffusing 0 0 0 1 1 2
241 Solid Material Comminution or Disintegration 1 1 0 0 0 2
252 Compositions 0 0 0 1 1 2
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 1 0 0 0 1 2
294 Handling: Hand and Hoist-Line Implements 1 0 0 1 0 2
312 Supports: Cabinet Structure 0 0 0 1 1 2
318 Electricity: Motive Power Systems 0 1 0 0 1 2
332 Modulators 0 0 1 1 0 2
348 Television 1 0 1 0 0 2
356 Optics: Measuring and Testing 0 1 0 1 0 2
382 Image Analysis 1 0 0 1 0 2
403 Joints and Connections 1 1 0 0 0 2
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1 0 0 0 1 2
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 0 1 0 1 0 2
710 Input/Output (Electrical Computers and Digital Processing Systems) 0 1 0 1 0 2
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 1 1 0 0 0 2
713 Support (Electrical Computers and Digital Processing Systems) 1 0 1 0 0 2
001 ** Classification Undetermined ** 0 1 0 0 0 1
012 Boot and Shoe Making 0 0 1 0 0 1
033 Geometrical Instruments 0 0 0 1 0 1
052 Static Structures (e.g., Buildings) 0 0 0 0 1 1
054 Harness (for animals) 0 1 0 0 0 1
059 Chain, Staple, and Horseshoe Making 0 0 0 0 1 1
072 Metal Deforming 0 0 0 1 0 1
096 Gas Separation: Apparatus 0 0 0 0 1 1
104 Railways 0 0 0 0 1 1
106 Compositions: Coating or Plastic 0 0 0 1 0 1
116 Signals and Indicators 0 0 0 0 1 1
128 Surgery (includes Class 600) 0 0 0 1 0 1
134 Cleaning and Liquid Contact with Solids 0 0 0 0 1 1
135 Tent, Canopy, Umbrella, or Cane 0 0 0 0 1 1
138 Pipes and Tubular Conduits 0 1 0 0 0 1
169 Fire Extinguishers 0 0 0 0 1 1
173 Tool Driving or Impacting 0 0 0 1 0 1
175 Boring or Penetrating the Earth 0 0 1 0 0 1
180 Motor Vehicles 0 0 0 1 0 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 0 1 0 1
208 Mineral Oils: Processes and Products 0 1 0 0 0 1
210 Liquid Purification or Separation 0 0 0 1 0 1
216 Etching a Substrate: Processes 0 0 0 0 1 1
221 Article Dispensing 0 1 0 0 0 1
223 Apparel Apparatus 0 0 0 0 1 1
229 Envelopes, Wrappers, and Paperboard Boxes 0 1 0 0 0 1
246 Railway Switches and Signals 0 0 0 1 0 1
256 Fences 0 0 0 0 1 1
281 Books, Strips, and Leaves 0 0 1 0 0 1
292 Closure Fasteners 0 1 0 0 0 1
313 Electric Lamp and Discharge Devices 0 0 1 0 0 1
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 0 1 0 0 1
330 Amplifiers 0 0 0 0 1 1
331 Oscillators 0 0 1 0 0 1
333 Wave Transmission Lines and Networks 0 1 0 0 0 1
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 1 0 0 1
336 Inductor Devices 0 1 0 0 0 1
338 Electrical Resistors 0 1 0 0 0 1
341 Coded Data Generation or Conversion 0 0 0 1 0 1
358 Facsimile and Static Presentation Processing 0 0 1 0 0 1
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 0 0 0 1 1
384 Bearings 0 0 0 0 1 1
386 Television Signal Processing for Dynamic Recording or Reproducing 0 0 0 1 0 1
408 Cutting by Use of Rotating Axially Moving Tool 0 0 1 0 0 1
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 0 1 1
419 Powder Metallurgy Processes 0 0 0 0 1 1
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 1 0 0 1
427 Coating Processes 0 0 0 0 1 1
433 Dentistry 0 0 0 0 1 1
454 Ventilation 0 0 0 0 1 1
482 Exercise Devices 0 1 0 0 0 1
601 Surgery: Kinesitherapy 0 0 0 0 1 1
604 Surgery (Medicators and Receptors) 0 1 0 0 0 1
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 0 0 1 1
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1 0 0 0 0 1
708 Arithmetic Processing and Calculating (Electrical Computers) 0 0 0 0 1 1
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 0 0 1 0 0 1
ALL ALL CLASSES 81 160 155 179 237 812



TAF Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Information Products Division - TAF Branch
PK3- Suite 441
Washington, DC 20231

tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov

address of TAF Internet pages : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of TAF reports from : ftp.uspto.gov/pub/taf/

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Last Modified: April 9, 2002