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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

CALIFORNIA

( 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
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 21 21 15 33 21 15 19 22 27 41 65 61 93 115 134 89 58 104 104 80 84 121 113 123 146 153 218 195 259 255 296 234 245 334 541 705 695 661 743 707 774 612 538 722 10612
435 Chemistry: Molecular Biology and Microbiology 4 5 6 6 4 11 8 15 20 20 22 23 27 20 17 19 15 26 45 32 41 39 46 70 95 86 122 105 137 160 192 180 223 314 530 781 807 699 776 801 650 539 495 585 8818
438 Semiconductor Device Manufacturing: Process 8 11 17 14 12 13 29 24 36 24 24 31 53 32 41 26 39 38 45 50 71 64 61 65 86 80 77 72 115 109 107 142 157 154 227 291 469 667 844 897 864 753 664 615 8218
128 Surgery (includes Class 600) 24 26 27 17 43 33 40 49 60 48 82 83 91 77 67 54 49 80 75 59 55 73 81 97 124 97 158 145 158 133 169 237 222 257 268 425 419 456 394 417 445 372 282 311 6879
532 Organic Compounds (includes Classes 532-570) 127 103 114 213 163 178 174 160 127 308 259 241 253 242 166 114 86 103 131 94 57 98 90 84 69 68 77 87 94 110 120 92 109 152 182 255 238 232 230 256 201 187 183 228 6855
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 3 7 17 43 29 39 53 38 46 24 19 29 28 36 37 32 33 39 33 23 34 38 30 37 41 51 75 101 136 122 90 124 160 208 212 313 362 351 396 472 606 648 587 536 6338
360 Dynamic Magnetic Information Storage or Retrieval 26 44 55 51 81 73 52 80 99 125 90 67 64 48 64 61 56 54 55 58 84 61 90 72 105 70 127 103 100 91 102 125 124 140 160 245 221 248 280 313 282 352 346 469 5613
365 Static Information Storage and Retrieval 13 39 51 60 51 40 55 50 40 56 31 33 29 47 41 51 45 42 35 29 54 50 38 35 38 47 64 52 57 49 107 129 124 189 187 276 314 352 375 348 375 406 441 412 5357
250 Radiant Energy 43 49 74 66 77 59 127 85 99 74 109 88 87 103 78 86 50 55 55 58 35 68 66 68 122 110 117 117 138 139 127 158 162 153 137 177 139 153 198 214 252 263 227 287 5149
370 Multiplex Communications 5 2 1 2 2 2 3 5 9 9 5 16 23 16 11 20 14 8 7 15 14 13 18 22 35 36 31 36 30 36 50 63 100 144 124 164 232 328 344 428 448 609 582 888 4950
073 Measuring and Testing 98 91 144 127 116 101 138 113 110 102 108 133 127 155 109 107 89 96 84 79 93 124 112 88 97 77 86 81 94 80 91 123 129 108 112 142 136 120 117 133 148 110 155 155 4938
606 Surgery (instruments) 5 8 7 7 5 10 13 10 21 12 26 24 20 20 9 9 12 16 14 14 16 24 22 42 52 59 55 63 80 88 113 141 149 182 224 317 407 447 385 346 417 332 269 279 4771
604 Surgery (Medicators and Receptors) 15 13 3 10 28 20 23 33 41 26 32 42 34 38 31 29 22 48 37 39 30 64 73 70 100 95 140 153 124 157 192 235 238 208 163 260 255 213 271 221 339 190 165 162 4682
345 Computer Graphics Processing and Selective Visual Display Systems 3 4 9 9 9 7 12 11 16 15 12 10 11 24 11 20 16 17 14 20 18 29 25 16 28 31 43 49 54 56 86 109 137 176 167 286 259 293 368 337 332 402 347 496 4394
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 60 53 101 73 72 42 65 97 123 77 78 52 57 44 46 42 27 48 35 23 26 48 26 40 57 54 66 45 65 76 59 91 111 135 105 180 199 228 267 280 265 247 222 279 4386
359 Optics: Systems and Elements 4 6 17 14 14 23 46 77 67 61 61 49 46 44 44 57 41 55 56 49 53 45 66 56 73 82 108 116 123 132 104 110 103 111 112 163 190 197 217 231 232 268 252 277 4252
324 Electricity: Measuring and Testing 22 36 58 74 60 70 78 76 85 46 66 63 36 53 75 41 35 33 40 30 36 35 48 53 111 80 107 80 84 93 104 107 112 152 123 107 105 142 169 205 196 225 220 268 4039
356 Optics: Measuring and Testing 11 11 21 21 24 26 41 75 71 56 69 52 52 50 50 39 40 52 55 54 44 36 51 59 82 77 90 77 91 86 92 86 89 82 101 133 120 141 114 135 214 223 216 299 3608
707 DP: Database and File Management or Data Structures (Data Processing) 0 0 0 2 9 1 1 1 3 2 1 1 0 3 1 5 5 1 1 2 3 2 5 5 7 2 6 12 9 15 25 35 49 94 117 285 338 275 267 351 400 400 351 516 3608
375 Pulse or Digital Communications 5 10 7 12 8 14 15 11 14 18 18 18 12 15 14 20 6 19 18 17 10 19 20 24 28 23 56 49 58 54 57 79 103 112 119 166 188 206 234 271 279 332 297 535 3590
428 Stock Material or Miscellaneous Articles 21 22 30 34 39 28 43 54 50 74 51 57 55 41 46 49 28 47 62 48 53 54 61 78 84 78 85 98 85 81 78 108 105 118 123 172 160 156 160 157 175 189 142 105 3584
361 Electricity: Electrical Systems and Devices 30 38 62 54 41 48 42 43 60 41 48 25 30 22 35 36 23 32 21 28 30 28 35 35 28 44 59 59 58 61 67 83 93 130 122 191 181 163 187 247 240 217 195 209 3521
711 Memory (Electrical Computers and Digital Processing Systems) 4 3 2 20 24 14 13 9 14 11 11 4 10 8 6 7 7 3 7 10 12 17 21 15 17 27 27 29 14 35 52 73 89 112 138 200 217 225 234 283 328 372 355 442 3521
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 56 42 87 120 104 78 90 67 69 93 108 68 64 77 72 104 58 74 100 72 71 56 52 59 63 46 84 68 78 109 97 91 66 75 90 108 90 83 72 106 87 88 76 94 3512
029 Metal Working 43 46 63 77 59 72 85 71 98 77 103 95 77 80 60 62 50 54 50 40 47 41 51 59 70 59 81 54 64 62 75 77 85 77 101 112 104 120 121 116 142 123 123 170 3496
340 Communications: Electrical 40 39 67 76 56 49 60 49 69 77 80 74 69 50 45 35 34 60 50 44 47 41 36 51 61 67 91 64 57 62 66 63 71 105 101 128 138 152 128 112 118 132 170 235 3419
439 Electrical Connectors 30 31 39 56 47 45 36 54 60 59 51 56 45 60 66 60 34 40 48 38 37 54 51 53 64 51 85 74 77 70 75 74 93 78 92 101 119 184 168 170 162 171 170 165 3393
137 Fluid Handling 85 90 96 99 85 132 144 110 140 92 121 92 87 68 50 73 45 70 68 66 45 61 70 48 63 49 65 63 83 50 66 54 63 49 57 83 80 88 83 66 76 61 77 70 3383
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 0 0 0 1 2 0 2 0 2 0 0 0 1 1 0 1 1 1 4 1 2 5 5 3 3 2 4 4 6 11 13 26 28 73 59 235 242 293 290 314 289 403 395 607 3329
714 Error Detection/Correction and Fault Detection/Recovery 1 4 7 4 13 2 11 12 12 21 17 16 14 16 12 24 7 23 9 20 22 17 27 19 45 44 58 35 32 43 62 90 100 114 130 198 197 193 216 192 234 296 268 417 3294
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 0 9 11 11 5 4 9 11 10 14 10 4 2 13 18 7 15 13 9 18 23 15 16 16 19 28 26 20 35 50 67 74 139 172 256 240 234 227 199 219 285 215 268 3037
455 Telecommunications 17 12 22 13 24 12 10 13 11 18 16 17 19 16 23 10 7 21 12 17 10 11 7 11 9 19 11 18 20 29 24 22 42 69 59 117 154 170 219 212 224 347 329 585 3028
210 Liquid Purification or Separation 15 21 28 55 52 43 61 71 63 69 76 76 69 59 63 43 66 61 69 43 42 46 39 46 56 76 99 80 92 90 92 62 72 62 73 77 94 118 115 110 80 101 77 67 2969
385 Optical Waveguides 0 0 2 0 1 3 0 1 3 0 2 2 12 14 16 18 8 19 20 12 19 22 28 18 42 71 58 56 72 67 60 58 44 59 78 106 94 101 163 230 321 335 360 374 2969
052 Static Structures (e.g., Buildings) 34 29 56 92 111 72 66 61 64 49 70 70 61 71 52 81 35 40 44 31 39 35 44 61 54 48 69 69 47 50 55 74 46 67 75 100 87 96 97 72 86 64 49 57 2730
372 Coherent Light Generators 0 1 4 4 6 18 50 35 55 35 27 33 41 42 37 38 18 42 37 32 17 44 48 53 73 86 94 73 105 97 77 102 76 55 73 115 108 102 102 85 138 186 123 142 2729
280 Land Vehicles 30 29 66 48 54 53 45 47 58 46 52 79 93 52 70 53 49 59 51 40 38 47 36 53 46 49 75 46 48 56 61 90 67 83 45 85 91 113 102 104 79 63 84 80 2715
348 Television 9 9 8 17 22 14 22 38 45 37 34 35 29 35 31 23 26 31 40 29 25 29 38 38 72 52 57 70 71 55 69 60 92 85 65 116 123 141 118 133 160 160 152 200 2715
326 Electronic Digital Logic Circuitry 5 3 9 9 7 6 8 8 23 15 12 8 5 14 17 9 4 9 9 7 5 13 23 26 45 43 45 48 69 67 70 88 112 122 111 110 144 197 223 195 165 196 173 185 2662
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 44 51 71 64 58 44 36 29 40 60 79 76 74 51 42 48 29 40 34 25 22 21 24 23 30 32 48 42 61 55 52 73 59 92 80 102 102 108 93 104 101 100 78 104 2601
382 Image Analysis 3 3 9 13 5 2 7 2 9 7 4 4 7 14 10 10 14 8 4 7 6 8 11 13 12 26 35 26 49 56 59 49 64 58 110 190 164 160 188 170 213 212 174 300 2495
244 Aeronautics and Astronautics 63 84 73 67 59 61 57 42 62 46 65 47 38 61 50 37 22 28 25 24 28 35 33 43 57 43 60 31 51 69 69 59 41 43 50 86 86 103 94 89 91 74 62 56 2464
473 Games Using Tangible Projectile 25 13 21 17 20 27 26 20 29 26 34 44 51 33 44 34 31 39 23 31 14 25 35 30 31 38 44 41 79 51 70 78 89 87 96 141 108 85 108 139 134 106 90 127 2434
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 18 21 22 24 35 28 21 40 56 41 62 61 65 45 45 47 25 49 62 38 46 37 53 48 51 49 59 58 38 49 53 55 68 57 73 94 111 101 105 103 108 90 71 51 2433
060 Power Plants 53 69 84 85 65 54 56 62 59 58 64 46 53 55 59 50 39 46 42 40 44 47 41 30 42 49 46 59 61 73 53 51 38 27 30 46 58 51 62 43 55 69 62 71 2347
248 Supports (e.g., for holding articles, etc.) 24 41 66 50 49 28 44 30 57 45 35 33 42 41 41 34 21 33 27 28 19 32 39 40 59 46 83 78 85 86 65 75 49 58 63 93 96 88 70 75 90 50 44 48 2300
204 Chemistry: Electrical and Wave Energy 9 16 16 25 23 26 56 31 36 41 42 26 19 28 47 36 23 35 32 28 32 27 24 28 34 25 41 30 41 71 64 81 59 71 63 74 116 131 139 147 126 95 79 81 2274
219 Electric Heating 36 26 42 47 53 38 55 42 82 64 62 59 36 27 31 39 24 28 34 32 40 50 60 35 52 46 66 56 38 45 37 39 40 44 34 74 69 74 95 103 71 73 55 70 2223
206 Special Receptacle or Package 30 34 52 46 62 48 52 27 24 33 41 30 43 41 35 37 33 36 35 38 36 41 38 44 39 57 65 60 57 50 63 71 67 69 68 89 97 80 58 63 50 54 43 46 2182
379 Telephonic Communications 16 11 16 18 13 11 14 24 21 24 30 30 43 35 26 36 19 24 20 17 25 24 39 31 37 30 42 37 41 34 42 54 57 92 69 105 145 102 109 135 113 133 96 125 2165
362 Illumination 23 16 26 26 31 29 16 26 46 30 34 28 19 14 25 29 19 35 32 17 28 25 31 27 45 38 57 50 62 74 56 60 73 64 71 86 69 83 95 93 93 99 98 148 2146
222 Dispensing (apparatus and process) 37 60 102 66 61 52 57 40 66 42 57 54 67 46 27 31 30 34 21 24 26 34 39 26 30 34 50 53 61 64 51 55 45 48 42 50 78 72 49 48 41 39 37 41 2087
341 Coded Data Generation or Conversion 21 25 38 29 19 9 18 32 29 32 20 19 20 21 16 25 13 17 20 20 16 22 24 30 33 23 28 32 34 37 48 47 57 42 67 79 75 66 123 134 119 156 145 173 2053
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 14 9 31 15 12 11 39 31 36 26 28 41 27 31 20 18 14 27 44 23 36 26 23 24 25 33 30 39 37 71 67 60 69 49 62 78 100 104 107 109 118 99 101 77 2041
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 0 0 0 1 0 1 1 1 1 1 2 1 0 1 2 1 0 2 1 0 3 4 5 2 2 4 8 5 10 27 25 39 69 110 108 173 180 167 195 177 140 137 154 236 1996
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 0 0 0 0 0 1 0 0 0 0 0 1 2 0 0 0 1 1 0 1 0 0 2 3 3 1 2 8 4 5 21 33 32 74 78 94 84 93 131 201 267 237 254 358 1992
330 Amplifiers 16 24 37 41 28 28 43 28 32 19 19 17 25 25 19 21 16 19 19 16 15 27 34 30 18 33 43 18 39 50 26 57 46 53 35 45 65 84 85 102 133 135 97 155 1917
315 Electric Lamp and Discharge Devices: Systems 36 29 76 84 78 92 96 47 57 40 55 33 36 26 31 29 19 25 34 29 31 19 24 32 32 27 21 38 42 32 21 30 48 43 32 45 50 55 55 53 73 38 64 54 1911
343 Communications: Radio Wave Antennas 14 11 32 37 18 31 24 35 46 29 42 32 14 29 29 36 21 25 26 34 12 27 20 16 35 26 47 33 32 27 33 29 37 48 56 51 76 89 123 127 96 75 113 97 1890
427 Coating Processes 19 15 19 25 23 27 31 36 26 33 28 25 20 20 15 21 14 28 38 29 34 38 32 30 24 30 44 33 40 45 39 48 54 49 56 95 104 93 84 88 107 92 72 53 1876
239 Fluid Sprinkling, Spraying, and Diffusing 53 32 44 45 57 29 43 40 75 65 76 72 50 35 35 34 31 41 27 34 27 22 32 39 24 44 48 37 28 47 35 51 38 24 41 62 56 42 39 39 33 47 39 36 1848
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 1 2 1 3 4 1 4 7 7 5 6 9 9 7 13 15 5 16 7 10 17 27 18 18 36 38 24 27 37 49 63 40 43 62 118 162 118 120 121 106 99 81 90 167 1813
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 3 4 4 4 4 4 5 14 14 11 9 11 16 13 15 8 21 10 17 14 9 13 15 22 34 24 36 38 38 36 20 34 29 44 56 93 83 114 143 136 181 151 108 124 1782
414 Material or Article Handling 31 35 60 64 42 52 51 65 64 60 54 53 58 39 42 37 21 31 39 34 33 25 27 24 39 37 55 38 23 40 28 30 39 43 24 25 54 53 46 36 54 38 19 18 1780
713 Support (Electrical Computers and Digital Processing Systems) 0 1 0 2 2 0 3 3 2 3 3 2 0 2 0 0 1 3 0 2 2 4 2 4 7 10 9 8 13 11 25 25 46 61 77 117 122 112 121 123 148 180 181 335 1772
702 DP: Measuring, Calibrating, or Testing (Data Processing) 1 5 2 1 1 3 4 4 9 9 7 8 6 7 8 8 10 9 14 6 6 13 17 11 19 10 28 22 35 13 31 35 18 44 41 83 68 67 61 112 195 208 216 253 1728
607 Surgery: Light, Thermal, and Electrical Application 2 1 6 4 4 4 5 3 6 5 8 3 6 4 9 6 7 7 8 8 6 8 10 17 18 17 24 22 45 30 25 49 71 68 57 86 69 94 118 148 155 158 119 203 1723
333 Wave Transmission Lines and Networks 32 21 50 41 50 25 41 60 44 33 40 35 25 33 30 32 27 24 29 13 21 26 28 28 29 33 32 34 37 36 26 37 36 33 37 43 42 51 38 58 78 65 70 74 1677
451 Abrading 14 32 17 19 12 14 32 29 38 23 22 34 32 16 12 16 10 12 11 11 4 10 16 14 18 12 17 26 19 14 20 10 19 24 35 46 69 94 126 120 143 112 135 151 1660
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 16 17 35 34 39 35 32 30 30 36 33 29 34 40 36 54 16 22 33 22 25 31 15 14 18 33 38 45 55 57 59 30 32 43 53 64 47 72 62 37 73 43 45 33 1647
426 Food or Edible Material: Processes, Compositions, and Products 29 36 42 42 45 43 45 40 53 53 51 47 60 43 37 35 39 45 28 22 23 29 30 27 24 34 54 40 42 33 23 27 32 35 37 31 44 64 44 40 33 21 16 26 1644
708 Arithmetic Processing and Calculating (Electrical Computers) 12 15 20 29 21 15 34 28 40 28 30 26 23 30 40 24 16 23 23 17 9 17 25 16 25 32 52 46 35 25 60 51 41 44 38 92 74 68 68 56 59 73 60 79 1639
062 Refrigeration 28 32 53 39 36 38 29 28 42 32 37 37 31 23 26 21 18 18 33 42 27 25 24 19 26 39 45 43 32 29 44 32 38 35 60 40 54 44 53 64 65 49 42 46 1618
446 Amusement Devices: Toys 24 26 30 38 23 30 38 28 80 65 49 36 28 29 20 28 32 58 46 30 19 22 36 39 38 26 22 23 40 40 27 41 17 30 19 34 45 71 56 54 68 48 34 31 1618
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 1 3 4 6 5 5 5 5 8 4 6 2 2 10 3 6 5 3 6 8 12 13 13 6 11 20 19 11 14 24 24 22 39 70 85 162 182 127 146 115 88 94 85 99 1578
123 Internal-Combustion Engines 29 28 36 35 21 41 29 38 32 35 39 42 77 53 51 54 40 31 30 37 32 41 43 26 25 22 41 24 25 35 33 31 41 35 28 33 23 38 40 30 31 32 31 33 1551
084 Music 13 27 17 30 23 18 41 36 36 32 41 29 48 25 32 42 35 35 49 40 33 35 32 31 50 28 29 20 27 32 34 35 37 49 36 38 51 63 48 39 36 37 30 42 1541
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 5 19 8 11 6 17 16 33 44 37 27 30 22 18 18 12 12 8 23 29 20 20 23 17