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

Patenting In Technology Classes
Breakout By Geographic Origin (State and Country)

Count of 1963 - 2005 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of U.S. States and Countries
From Which 1 or More Utility Patents Originated During the Period
Having Primary Classification In

Class 370, Multiplex Communications

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

This table displays U.S. states and countries and their counts of utility patents; patents are distributed by year of patent grant
(U.S. or Foreign) Code State-Territory or Country 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 Total
(U.S.) CA CALIFORNIA 5 2 1 2 2 2 3 5 9 9 5 16 23 16 10 20 14 7 6 15 11 12 18 17 34 35 30 36 30 35 49 62 100 143 124 163 232 328 344 428 448 611 588 4050
(U.S.) NJ NEW JERSEY 13 9 15 9 25 10 25 27 21 20 28 12 13 9 10 12 6 15 16 12 12 21 36 20 19 34 22 28 33 37 29 47 55 50 55 65 93 121 114 154 171 187 160 1870
(U.S.) TX TEXAS 3 0 1 1 0 0 1 2 2 3 0 2 4 4 3 5 0 7 2 5 12 6 10 15 10 5 11 14 11 10 13 22 18 31 30 62 86 118 123 135 151 182 162 1282
(U.S.) IL ILLINOIS 0 4 1 3 3 1 4 2 5 7 7 7 8 3 10 5 10 10 10 4 11 21 35 17 30 20 25 24 19 25 37 50 49 62 46 47 75 82 70 58 67 99 90 1163
(U.S.) MA MASSACHUSETTS 2 0 0 3 1 1 0 3 2 5 5 8 0 3 3 4 3 3 5 2 5 5 9 7 17 9 10 12 9 18 20 32 58 38 32 41 64 64 98 76 118 100 92 987
(U.S.) NY NEW YORK 11 10 6 9 13 5 7 9 10 13 15 9 7 7 7 3 3 8 1 5 5 4 12 0 21 12 9 7 9 8 20 29 23 24 14 20 29 49 39 53 37 83 75 740
(U.S.) NC NORTH CAROLINA 0 0 0 0 0 0 1 0 1 2 4 1 6 2 4 0 0 0 0 3 3 2 2 11 4 2 3 5 13 8 19 21 12 26 20 30 38 43 57 50 70 68 72 603
(U.S.) FL FLORIDA 0 1 3 3 2 0 0 0 1 1 2 6 4 2 5 2 1 3 0 2 4 4 9 6 4 7 9 12 8 13 8 19 16 19 18 26 15 38 29 26 32 38 48 446
(U.S.) CO COLORADO 0 0 0 0 0 1 0 0 3 3 4 7 5 7 2 0 4 4 2 0 4 2 8 3 5 4 2 7 8 4 10 11 13 13 17 33 33 38 36 32 39 36 33 433
(U.S.) MD MARYLAND 1 0 2 2 4 3 4 10 2 5 5 9 6 7 4 4 3 4 4 13 5 1 7 4 5 5 5 6 2 7 6 10 5 13 15 25 14 13 19 19 16 29 36 359
(U.S.) VA VIRGINIA 0 0 2 1 0 0 0 0 4 3 0 4 2 2 1 1 2 2 3 1 1 3 2 1 1 3 5 4 7 5 10 8 17 11 16 21 10 24 16 25 26 20 22 286
(U.S.) AZ ARIZONA 0 0 0 0 0 1 0 1 0 0 1 1 1 1 1 2 2 1 0 0 9 8 10 5 6 11 5 4 2 2 3 4 8 9 14 17 16 18 17 21 15 22 19 257
(U.S.) PA PENNSYLVANIA 1 1 0 0 1 1 2 2 2 0 1 3 5 2 4 3 1 0 2 1 1 2 0 0 1 2 7 10 2 2 1 5 12 11 11 6 12 16 21 26 14 22 24 240
(U.S.) WA WASHINGTON 1 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 1 2 1 0 1 0 0 1 0 0 1 2 3 0 1 1 3 10 13 12 16 23 24 19 34 37 209
(U.S.) OR OREGON 0 0 0 0 0 0 2 0 0 0 2 0 0 0 0 1 0 1 1 0 0 0 0 1 1 0 3 5 2 2 1 4 7 11 7 7 7 11 13 16 30 35 31 201
(U.S.) MN MINNESOTA 0 0 0 0 0 0 1 1 1 1 2 1 0 2 2 1 0 3 0 1 1 1 2 3 5 4 1 2 2 1 0 5 6 14 12 19 11 12 14 13 16 13 12 185
(U.S.) CT CONNECTICUT 0 0 0 0 0 0 1 1 0 1 4 2 2 1 1 4 4 4 2 3 4 11 2 14 14 8 5 3 1 5 6 4 6 6 5 6 4 5 7 5 13 7 6 177
(U.S.) GA GEORGIA 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 3 4 1 7 0 2 1 2 2 7 7 7 7 10 12 20 13 19 22 27 177
(U.S.) NH NEW HAMPSHIRE 0 0 0 0 1 0 0 0 1 1 0 3 1 0 0 0 0 1 2 0 0 1 3 2 0 3 1 4 4 0 3 4 9 4 7 13 7 18 6 7 16 16 9 147
(U.S.) OH OHIO 1 1 0 2 0 1 4 0 3 1 1 2 3 0 2 2 1 3 2 2 1 3 8 3 3 3 3 0 1 0 1 1 1 1 1 2 3 7 8 2 3 9 5 100
(U.S.) AL ALABAMA 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 0 0 0 0 0 0 0 0 0 3 1 1 1 4 2 4 6 7 9 6 5 13 10 5 4 85
(U.S.) UT UTAH 0 0 0 0 0 0 0 0 0 1 0 0 1 0 6 1 0 0 0 0 0 0 1 0 3 1 0 0 1 2 0 3 0 4 1 3 5 9 5 3 9 15 8 82
(U.S.) IA IOWA 0 0 0 0 1 0 0 0 0 0 3 1 1 1 1 1 2 1 1 0 2 0 1 0 0 0 0 3 0 1 1 2 0 2 5 7 7 4 2 9 5 5 6 75
(U.S.) MI MICHIGAN 0 0 0 0 0 0 1 0 0 1 0 3 0 0 0 1 0 1 1 1 1 0 3 0 2 3 1 4 3 0 1 2 6 3 2 3 3 7 3 4 1 3 7 71
(U.S.) IN INDIANA 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 1 1 0 1 0 0 1 2 1 2 1 1 4 3 5 2 7 10 8 10 64
(U.S.) MO MISSOURI 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 0 0 0 0 0 1 0 0 1 2 3 1 0 4 1 5 2 0 1 4 4 2 3 5 10 9 61
(U.S.) KS KANSAS 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 1 1 1 1 7 5 9 8 11 15 60
(U.S.) ID IDAHO 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 0 0 0 0 0 0 0 1 1 1 2 0 5 6 3 2 8 1 31
(U.S.) WI WISCONSIN 0 0 0 0 0 1 0 0 1 0 2 1 0 0 1 0 1 0 2 0 0 0 0 1 2 0 0 1 0 0 4 1 2 0 1 0 0 2 2 0 0 2 0 27
(U.S.) NV NEVADA 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 0 2 0 0 1 0 1 0 3 0 0 0 1 0 2 0 0 2 4 1 0 0 1 22
(U.S.) OK OKLAHOMA 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 1 2 0 0 0 1 0 0 0 1 2 0 1 0 14
(U.S.) DC DISTRICT OF COLUMBIA 0 0 0 0 0 1 0 2 2 1 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 0 0 0 0 0 0 1 11
(U.S.) ME MAINE 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 0 0 0 0 0 2 0 0 3 1 0 0 1 2 1 11
(U.S.) MS MISSISSIPPI 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 0 0 0 1 6 1 1 0 0 1 0 0 11
(U.S.) RI RHODE ISLAND 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 2 0 0 0 0 0 1 2 0 0 0 0 1 0 0 2 0 11
(U.S.) VT VERMONT 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 1 0 0 0 0 0 0 4 3 1 0 1 0 11
(U.S.) NM NEW MEXICO 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 2 1 1 0 0 0 0 0 0 1 0 0 1 0 1 0 1 9
(U.S.) SC SOUTH CAROLINA 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 1 0 1 0 1 1 0 0 1 7
(U.S.) TN TENNESSEE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 7
(U.S.) AK ALASKA 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 0 0 0 0 0 3 0 2 0 6
(U.S.) KY KENTUCKY 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 6
(U.S.) WV WEST VIRGINIA 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 0 0 0 0 0 0 1 2 0 1 0 0 1 6
(U.S.) SD SOUTH DAKOTA 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 1 0 0 1 1 2 0 0 5
(U.S.) HI HAWAII 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 1 1 0 0 0 0 0 0 0 0 0 3
(U.S.) LA LOUISIANA 0 0 0 0 0 0 0 0 0 1 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 0 0 1 0 0 0 0 3
(U.S.) DE DELAWARE 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 1 0 0 0 0 0 0 1 2
(U.S.) MT MONTANA 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 0 0 1 0 0 0 0 0 0 0 0 2
(U.S.) AR ARKANSAS 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 1 0 0 0 0 0 0 0 0 0 1
(U.S.) WY WYOMING 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 0 0 0 0 1 0 0 1
(U.S.)   -- Subtotal -- 38 28 31 36 53 29 57 66 70 81 92 102 94 70 78 76 61 82 67 72 95 111 181 135 200 175 173 201 179 194 254 356 446 521 486 661 809 1093 1119 1245 1376 1709 1615 14617
(Foreign) JPX JAPAN 1 2 5 6 5 2 17 7 16 14 10 12 7 6 14 12 10 13 11 18 19 16 40 48 76 76 99 93 92 107 132 203 210 229 192 275 298 291 304 390 444 383 367 4572
(Foreign) DEX GERMANY 0 1 4 15 6 5 10 14 6 11 12 11 19 13 24 9 14 13 12 17 16 14 10 12 12 22 32 33 14 22 30 37 37 40 41 32 53 40 70 46 95 88 78 1090
(Foreign) CAX CANADA 2 0 0 0 0 0 0 0 2 6 3 2 0 4 6 5 1 6 5 11 6 8 13 14 11 11 9 12 16 16 10 9 14 29 27 31 63 71 88 95 118 151 133 1008
(Foreign) FRX FRANCE 1 2 0 4 3 1 3 6 11 14 10 11 24 18 17 20 16 8 18 20 23 9 25 23 14 18 29 24 14 22 31 31 32 49 37 37 37 52 53 58 65 54 63 1007
(Foreign) GBX UNITED KINGDOM 7 2 5 10 7 5 7 5 14 6 10 2 10 7 4 3 1 3 8 4 9 3 9 20 18 22 18 15 9 24 14 31 40 38 25 31 55 61 74 77 85 98 76 972
(Foreign) KRX SOUTH KOREA 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 4 1 3 3 3 20 19 36 46 53 63 104 105 108 103 673
(Foreign) SEX SWEDEN 4 1 3 1 1 1 1 0 1 1 2 4 4 4 5 8 1 0 3 1 1 0 7 4 5 3 4 5 2 3 8 14 20 32 19 41 38 63 49 70 91 64 62 651
(Foreign) FIX FINLAND 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 0 3 6 9 17 15 29 42 32 41 40 86 94 68 485
(Foreign) ILX ISRAEL 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 2 1 0 1 1 1 1 4 3 6 7 10 12 11 20 16 26 37 40 48 51 300
(Foreign) NLX NETHERLANDS 2 1 0 1 1 0 2 2 4 4 1 2 2 1 1 3 1 0 2 4 2 5 8 4 5 5 14 8 5 6 6 13 21 19 10 12 13 8 7 9 9 15 22 260
(Foreign) ITX ITALY 0 0 0 0 0 0 0 4 4 3 13 4 4 5 9 5 3 2 2 10 9 5 9 4 2 3 3 6 4 2 5 3 0 3 5 3 3 5 2 7 8 13 7 179
(Foreign) BEX BELGIUM 0 3 6 1 1 0 1 3 0 1 0 0 0 0 0 0 0 0 3 0 0 0 2 0 4 0 5 3 5 4 10 6 11 13 3 8 4 7 9 8 10 19 16 166
(Foreign) CHX SWITZERLAND 0 0 0 0 0 0 0 0 3 6 0 5 0 2 2 5 1 0 0 1 2 4 2 1 0 0 3 1 1 7 6 11 4 2 5 6 7 9 6 8 3 12 5 130
(Foreign) TWX TAIWAN 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 3 5 3 3 4 9 10 5 14 8 16 20 100
(Foreign) AUX AUSTRALIA 0 0 0 0 0 0 0 0 0 2 0 0 1 2 0 2 1 0 1 0 0 0 1 0 2 0 1 0 2 2 3 1 1 4 2 1 2 1 4 4 4 7 14 65
(Foreign) IEX IRELAND 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 1 0 2 0 0 1 2 3 4 5 7 12 4 42
(Foreign) NOX NORWAY 0 0 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 1 4 3 6 8 30
(Foreign) SGX SINGAPORE 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 1 2 0 3 2 4 7 3 5 3 30
(Foreign) DKX DENMARK 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1 1 0 0 2 1 0 2 7 3 7 29
(Foreign) ESX SPAIN 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 1 0 1 0 3 0 5 1 1 1 1 2 3 2 23
(Foreign) INX INDIA 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 0 1 0 0 0 2 3 6 7 21
(Foreign) HUX HUNGARY 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 6 1 3 17
(Foreign) ATX AUSTRIA 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 2 1 1 0 0 0 0 1 0 1 1 1 0 2 1 0 14
(Foreign) CNX CHINA P.REP. 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 0 0 0 0 2 0 3 6 12
(Foreign) HKX CHINA,HONG KONG S.A.R. 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 12
(Foreign) MXX MEXICO 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 0 0 0 0 1 1 3 5
(Foreign) NZX NEW ZEALAND 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 0 0 0 1 0 0 1 0 1 0 1 5
(Foreign) GRX GREECE 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 1 0 1 1 0 0 0 0 0 0 3
(Foreign) ISX ICELAND 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 1 0 0 1 0 0 0 1 3
(Foreign) RUX RUSSIAN FEDERATION 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 0 0 1 0 1 0 1 3
(Foreign) SAX SAUDI ARABIA 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 0 0 0 0 3 0 0 3
(Foreign) PLX POLAND 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 0 0 0 0 0 0 0 0 0 0 1 2
(Foreign) ZAX SOUTH AFRICA 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 0 1 0 0 0 0 1 2
(Foreign) BRX BRAZIL 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(Foreign) MAX MOROCCO 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 0 0 0 0 0 0 0 0 0 0 1
(Foreign) MYX MALAYSIA 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 0 0 0 0 0 1 0 1
(Foreign) NGX NIGERIA 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 1 0 0 0 0 0 0 0 0 1
(Foreign) TNX TUNISIA 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 0 0 0 0 0 0 1 1
(Foreign)   -- Subtotal -- 17 12 24 38 24 14 42 42 62 69 61 54 71 65 83 72 49 46 65 87 88 65 129 134 151 166 220 205 173 223 266 379 417 514 419 568 703 731 817 991 1212 1214 1137 11919
(ALL) ALL All Regions, U.S. and Foreign 55 40 55 74 77 43 99 108 132 150 153 156 165 135 161 148 110 128 132 159 183 176 310 269 351 341 393 406 352 417 520 735 863 1035 905 1229 1512 1824 1936 2236 2588 2923 2752 26536


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Electronic Information Products Division - PTMB
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

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