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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 1963 - 2006 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 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Total
446 Amusement Devices: Toys 0 1 0 1 0 0 0 0 2 2 0 2 2 2 1 2 4 3 6 2 0 3 2 1 3 2 5 2 3 2 1 3 2 4 5 9 8 7 10 16 20 18 13 6 175
362 Illumination 0 1 0 1 2 0 0 0 1 0 1 0 0 1 0 0 0 0 1 1 0 3 2 1 2 0 1 4 2 3 2 0 1 3 2 5 6 8 10 7 9 14 13 16 123
099 Foods and Beverages: Apparatus 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 1 2 1 1 1 0 1 2 3 2 7 7 15 7 11 13 9 2 3 7 97
310 Electrical Generator or Motor Structure 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 2 6 9 4 8 6 3 3 1 0 1 5 4 5 1 1 6 8 10 5 91
396 Photography 0 0 0 0 0 0 0 0 0 0 2 1 0 0 3 0 1 2 1 1 2 3 4 3 3 4 1 1 3 0 0 1 2 1 2 4 1 3 13 7 8 7 4 1 89
015 Brushing, Scrubbing, and General Cleaning 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 2 1 2 0 0 0 0 0 2 3 4 3 8 0 4 6 8 3 2 4 3 58
206 Special Receptacle or Package 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 1 0 1 0 0 2 2 3 1 5 6 7 11 6 5 2 55
363 Electric Power Conversion Systems 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 2 2 1 2 3 4 4 4 6 6 2 7 1 1 4 3 55
219 Electric Heating 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 1 0 1 1 2 2 0 1 1 2 7 5 7 3 6 4 5 51
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 1 0 10 9 5 6 4 4 2 2 1 49
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 3 1 1 1 0 5 2 2 4 8 7 11 49
435 Chemistry: Molecular Biology and Microbiology 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 1 2 2 5 6 4 5 9 11 49
428 Stock Material or Miscellaneous Articles 1 2 1 0 1 0 1 0 0 0 0 0 0 0 0 0 1 1 0 1 1 0 1 2 0 1 2 1 0 2 0 0 1 1 1 2 3 5 1 4 5 2 0 4 48
431 Combustion 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 5 3 2 6 3 5 6 4 4 3 1 1 47
438 Semiconductor Device Manufacturing: Process 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 3 5 3 6 11 11 42
315 Electric Lamp and Discharge Devices: Systems 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 1 0 0 0 1 0 2 0 2 1 5 4 5 5 1 2 2 5 40
439 Electrical Connectors 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 1 1 0 2 0 1 0 1 0 3 1 2 3 2 2 3 4 2 5 3 40
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 0 0 0 4 0 1 2 6 11 5 5 38
360 Dynamic Magnetic Information Storage or Retrieval 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 5 9 9 6 35
368 Horology: Time Measuring Systems or Devices 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 2 1 1 2 1 0 1 2 1 0 3 0 0 0 2 2 4 2 3 2 2 35
030 Cutlery 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 1 2 1 0 1 0 0 2 0 0 2 1 2 2 4 5 6 2 34
340 Communications: Electrical 0 0 0 0 1 0 1 0 0 0 0 0 1 1 0 1 0 0 2 0 2 0 0 0 0 0 0 0 0 1 0 2 0 0 0 1 2 1 2 2 1 7 3 3 34
345 Computer Graphics Processing and Selective Visual Display Systems 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 2 0 1 0 1 2 0 0 1 2 2 2 1 3 5 1 1 8 34
200 Electricity: Circuit Makers and Breakers 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 2 3 9 8 2 32
070 Locks 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 0 0 0 2 1 0 0 0 0 1 0 0 0 0 1 0 2 0 1 0 0 3 2 2 1 3 3 5 31
361 Electricity: Electrical Systems and Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 2 1 0 1 2 0 0 0 1 3 3 5 1 2 2 3 0 2 1 31
370 Multiplex Communications 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 2 3 18 30
132 Toilet 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 2 0 0 1 1 0 1 0 0 1 6 1 3 4 2 1 0 0 1 0 3 29
024 Buckles, Buttons, Clasps, Etc. 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 1 0 0 2 0 0 0 0 0 1 1 1 0 1 0 1 0 2 1 0 0 0 1 2 2 5 3 0 1 28
248 Supports (e.g., for holding articles, etc.) 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 2 0 1 0 3 0 1 1 0 2 0 8 2 0 2 28
379 Telephonic Communications 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 1 0 0 0 0 0 1 3 0 0 1 0 2 1 4 2 0 2 3 1 3 27
040 Card, Picture, or Sign Exhibiting 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 2 0 5 5 2 1 2 23
002 Apparel 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 2 2 1 1 3 1 2 1 1 0 0 2 22
273 Amusement Devices: Games 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 1 1 1 1 2 3 2 1 0 2 0 1 1 1 22
228 Metal Fusion Bonding 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 1 0 0 0 0 0 0 0 0 0 1 2 3 1 4 3 2 1 21
473 Games Using Tangible Projectile 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 1 0 0 0 0 1 0 1 2 2 2 1 2 1 2 3 21
029 Metal Working 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 1 1 0 2 2 1 3 3 1 20
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 3 0 0 0 0 0 0 0 0 2 2 1 2 2 4 3 0 20
222 Dispensing (apparatus and process) 0 1 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 1 2 1 0 0 3 2 2 1 0 19
455 Telecommunications 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 1 0 2 0 0 2 1 1 0 0 8 19
238 Railways: Surface Track 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 3 1 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 1 2 0 2 1 18
359 Optics: Systems and Elements 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 0 0 0 0 2 2 0 0 3 2 2 1 1 18
375 Pulse or Digital Communications 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 1 1 3 1 1 1 1 1 4 1 18
392 Electric Resistance Heating Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 2 0 0 0 0 2 0 0 1 0 0 2 1 0 5 0 0 1 0 1 18
463 Amusement Devices: Games 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 2 0 0 0 1 3 2 2 1 2 0 1 0 0 18
128 Surgery (includes Class 600) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 5 3 2 2 2 17
135 Tent, Canopy, Umbrella, or Cane 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 2 0 0 0 0 0 1 3 1 1 2 2 17
220 Receptacles 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 2 1 0 0 0 0 1 0 2 3 1 3 0 2 17
280 Land Vehicles 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 1 3 0 0 2 2 1 1 2 1 17
324 Electricity: Measuring and Testing 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 0 0 1 0 0 1 1 0 2 1 5 2 17
532 Organic Compounds (includes Classes 532-570) 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 2 5 0 0 0 0 3 1 3 17
034 Drying and Gas or Vapor Contact with Solids 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 2 0 2 1 1 0 1 1 1 1 2 1 16
081 Tools 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 0 1 0 0 2 1 1 0 1 6 16
084 Music 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 1 2 1 3 1 1 1 0 0 16
242 Winding, Tensioning, or Guiding 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 1 1 2 1 5 1 16
323 Electricity: Power Supply or Regulation Systems 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 0 0 2 0 0 3 0 2 2 0 3 16
004 Baths, Closets, Sinks, and Spittoons 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 2 0 0 0 4 2 2 2 1 15
005 Beds 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 2 0 1 1 1 0 0 0 2 1 0 0 1 0 2 15
059 Chain, Staple, and Horseshoe Making 0 0 1 0 0 2 1 0 0 0 0 1 1 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 2 1 0 15
320 Electricity: Battery or Capacitor Charging or Discharging 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 1 0 0 1 0 1 1 1 2 3 2 0 15
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 1 5 0 0 1 4 0 15
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 1 2 1 0 4 1 1 1 14
241 Solid Material Comminution or Disintegration 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 1 1 0 0 0 1 2 0 3 4 14
313 Electric Lamp and Discharge Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 3 1 5 2 0 14
349 Liquid Crystal Cells, Elements and Systems 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 2 3 3 1 2 14
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 0 0 1 0 0 0 0 2 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 1 0 1 0 1 1 0 0 0 1 0 14
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 1 0 0 0 1 0 3 2 1 1 14
033 Geometrical Instruments 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 0 0 0 1 0 1 1 3 1 2 13
062 Refrigeration 0 0 0 0 0 0 0 0 2 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 2 1 2 1 1 0 13
073 Measuring and Testing 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 1 0 0 0 1 1 2 2 0 3 13
307 Electrical Transmission or Interconnection Systems 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 2 1 0 0 0 0 0 3 2 1 13
369 Dynamic Information Storage or Retrieval 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 3 0 2 2 0 1 1 0 0 13
426 Food or Edible Material: Processes, Compositions, and Products 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 1 0 1 2 0 3 1 0 1 13
239 Fluid Sprinkling, Spraying, and Diffusing 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 1 0 1 1 1 2 12
250 Radiant Energy 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 2 0 0 1 1 2 1 1 2 12
343 Communications: Radio Wave Antennas 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 1 1 4 2 12
380 Cryptography 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 1 0 0 0 0 0 0 0 0 1 0 2 1 0 0 0 0 0 0 2 12
382 Image Analysis 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 1 0 3 3 2