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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 320, Electricity: Battery or Capacitor Charging or Discharging

( 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 1 2 2 1 4 1 2 6 19 4 4 5 9 2 1 4 4 4 4 4 9 2 1 8 9 5 1 3 7 7 13 8 15 18 34 23 23 39 29 24 31 23 33 448
(U.S.) TX TEXAS 0 0 0 0 1 1 1 1 0 0 1 1 0 1 1 1 1 1 0 2 1 1 2 0 0 0 2 0 1 6 3 9 4 10 13 13 19 21 20 8 9 8 14 177
(U.S.) IL ILLINOIS 2 2 1 4 3 5 2 4 1 3 3 5 1 1 2 1 3 3 3 3 2 5 2 5 7 6 2 3 6 8 6 4 0 11 7 6 7 7 7 10 4 5 4 176
(U.S.) FL FLORIDA 1 0 0 1 2 0 0 1 1 4 2 1 3 1 4 2 1 6 2 1 4 5 0 9 6 2 2 2 4 7 10 9 8 7 9 7 10 10 10 4 3 5 9 175
(U.S.) NY NEW YORK 4 1 8 10 11 5 8 3 4 9 5 3 3 1 3 1 1 1 4 1 1 0 0 1 2 1 2 0 1 2 3 4 0 4 7 2 6 10 7 11 8 6 4 168
(U.S.) MI MICHIGAN 2 0 2 1 1 0 2 3 3 0 3 3 1 0 2 1 0 1 0 0 4 1 1 0 4 4 0 1 0 2 1 5 1 4 4 8 5 7 16 7 12 9 6 127
(U.S.) GA GEORGIA 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 2 2 0 2 1 2 1 1 6 8 7 14 15 12 14 9 10 10 120
(U.S.) MD MARYLAND 0 1 1 0 0 2 5 5 2 4 2 0 1 6 1 0 0 1 2 0 3 0 5 2 4 1 2 0 2 3 2 2 2 2 3 5 6 6 6 4 4 3 4 104
(U.S.) NJ NEW JERSEY 1 1 2 3 4 1 3 5 4 3 2 1 1 2 2 0 1 0 3 3 2 4 1 3 3 2 1 2 2 2 1 0 0 1 2 5 2 6 5 3 2 4 3 98
(U.S.) MA MASSACHUSETTS 1 1 3 3 3 6 3 5 3 2 3 2 1 0 4 0 0 1 0 4 1 0 0 1 0 1 1 0 1 2 2 2 0 1 1 0 2 10 6 8 3 1 1 89
(U.S.) OH OHIO 1 1 1 3 0 6 3 3 3 1 2 0 4 3 2 0 1 1 0 0 2 1 1 1 0 0 1 3 2 0 3 1 3 1 3 6 4 2 2 2 6 3 2 84
(U.S.) PA PENNSYLVANIA 2 3 3 7 0 4 3 2 3 2 1 3 3 4 5 2 0 2 2 1 0 3 1 1 2 0 0 0 0 2 0 0 1 0 3 1 1 2 4 3 1 1 1 79
(U.S.) WI WISCONSIN 1 1 1 1 1 0 3 0 0 2 2 0 2 2 0 0 0 0 0 1 1 0 0 1 1 2 2 0 0 2 2 1 0 1 6 1 2 4 14 6 5 2 3 73
(U.S.) IN INDIANA 1 1 2 2 2 2 2 0 3 3 0 1 1 2 0 0 1 3 2 2 0 0 4 0 1 2 1 1 0 1 4 1 0 3 1 2 1 3 4 3 3 4 2 71
(U.S.) MN MINNESOTA 1 0 0 0 6 0 2 2 0 0 1 0 0 0 3 2 1 1 0 0 1 0 1 0 1 0 2 3 3 1 0 2 3 2 4 1 8 4 8 1 1 2 2 69
(U.S.) AZ ARIZONA 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 0 0 1 0 1 0 0 2 0 2 1 2 8 6 5 5 6 5 8 5 2 63
(U.S.) NC NORTH CAROLINA 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 3 0 0 2 1 3 9 10 13 4 0 2 2 1 56
(U.S.) WA WASHINGTON 0 0 1 0 1 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 1 0 0 1 1 1 1 3 4 3 5 4 4 9 2 2 3 51
(U.S.) IA IOWA 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 2 1 0 4 3 3 1 0 2 2 2 1 3 3 2 7 4 4 0 0 0 0 47
(U.S.) CO COLORADO 0 0 0 0 0 1 1 0 0 0 0 0 1 0 1 0 0 1 0 1 1 0 1 1 1 1 1 1 1 0 2 0 0 0 1 3 1 1 7 7 5 1 1 43
(U.S.) CT CONNECTICUT 0 0 2 4 1 0 2 2 0 0 1 2 0 0 0 1 1 2 1 0 2 0 2 1 3 0 2 0 0 0 0 2 1 0 0 0 6 2 0 0 0 1 1 42
(U.S.) VA VIRGINIA 0 0 0 2 0 1 2 0 2 0 0 0 4 0 0 1 0 5 1 1 1 0 0 1 4 0 0 0 0 2 1 0 0 1 0 3 1 1 2 0 0 3 1 40
(U.S.) OR OREGON 0 0 0 1 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 1 0 0 0 0 0 0 2 1 0 0 0 0 4 1 4 4 4 2 5 1 0 1 34
(U.S.) MO MISSOURI 1 0 1 1 1 2 0 0 0 2 3 0 1 0 0 1 0 2 0 2 1 3 0 0 1 0 0 0 0 0 1 1 0 0 1 0 1 0 0 0 2 1 0 29
(U.S.) KS KANSAS 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 3 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 1 1 0 0 0 1 2 0 1 14
(U.S.) ID IDAHO 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 1 0 1 2 0 12
(U.S.) KY KENTUCKY 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 2 0 0 0 1 1 1 0 0 1 0 2 0 0 0 0 0 0 11
(U.S.) UT UTAH 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 2 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 1 2 0 11
(U.S.) NE NEBRASKA 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 1 0 0 1 10
(U.S.) OK OKLAHOMA 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 1 2 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 9
(U.S.) SC SOUTH CAROLINA 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 1 1 0 1 1 0 9
(U.S.) AL ALABAMA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 1 0 0 0 8
(U.S.) NM NEW MEXICO 0 0 0 2 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 1 0 0 0 8
(U.S.) RI RHODE ISLAND 1 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 1 0 0 2 0 0 2 1 0 0 0 0 8
(U.S.) NH NEW HAMPSHIRE 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 1 0 0 0 0 0 0 2 1 0 0 6
(U.S.) NV NEVADA 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 0 0 2 0 1 1 0 0 0 0 6
(U.S.) TN TENNESSEE 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 0 1 0 0 0 0 0 0 0 1 1 0 0 0 6
(U.S.) DE DELAWARE 0 0 0 0 3 1 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 5
(U.S.) WV WEST VIRGINIA 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 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 5
(U.S.) AR ARKANSAS 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 4
(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 1 1 0 0 0 0 0 0 1 1 0 0 0 4
(U.S.) VT VERMONT 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 2 0 0 0 0 0 0 0 0 0 0 0 0 4
(U.S.) MS MISSISSIPPI 0 0 0 0 1 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 3
(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 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 3
(U.S.) LA LOUISIANA 0 0 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 1 0 0 0 2
(U.S.) ME MAINE 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
(U.S.) DC DISTRICT OF COLUMBIA 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 0 0 0 0 1
(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 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
(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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
(U.S.)   -- Subtotal -- 20 14 30 47 47 42 45 43 50 40 38 28 38 29 38 26 18 42 26 29 41 29 27 42 62 36 32 23 36 63 66 63 45 88 130 121 159 189 186 145 127 106 110 2616
(Foreign) JPX JAPAN 0 0 0 0 1 1 0 4 2 1 1 4 8 6 4 3 4 3 2 7 6 3 8 15 18 6 8 3 14 21 22 25 34 40 80 75 103 105 131 122 95 77 46 1108
(Foreign) DEX GERMANY 3 1 1 3 0 2 1 1 1 4 5 2 5 5 0 4 4 2 4 2 3 1 2 1 3 2 0 1 2 8 6 5 4 7 9 9 6 7 8 14 15 11 13 187
(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 1 1 2 0 1 0 1 3 10 7 4 1 4 9 11 16 25 18 20 23 14 171
(Foreign) GBX UNITED KINGDOM 4 1 0 2 1 4 4 1 9 7 5 7 5 3 1 3 6 5 3 0 1 3 1 3 1 1 1 1 1 1 1 0 1 1 0 1 8 2 4 3 5 1 2 114
(Foreign) FRX FRANCE 0 0 1 2 2 1 1 1 2 3 1 2 3 1 2 3 0 2 7 1 0 1 0 2 1 1 2 1 2 0 2 0 2 1 8 3 4 7 4 7 4 4 4 95
(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 0 0 0 1 0 0 0 1 2 1 2 2 0 10 9 15 11 7 12 6 11 4 94
(Foreign) CAX CANADA 0 0 0 0 1 1 1 0 2 0 0 1 1 1 0 1 0 0 0 1 3 1 1 3 3 2 2 0 0 1 7 2 2 5 5 1 4 6 7 5 11 4 3 88
(Foreign) SEX SWEDEN 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 1 1 0 0 0 0 1 1 2 0 0 0 0 2 2 1 0 4 1 2 3 9 4 4 2 0 43
(Foreign) NLX NETHERLANDS 0 0 0 0 0 1 0 0 2 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 2 1 2 1 0 1 0 1 0 0 4 2 3 2 2 4 1 0 0 32
(Foreign) CHX SWITZERLAND 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 3 0 1 0 0 0 1 1 0 0 0 1 0 1 0 0 1 0 0 3 1 0 3 1 1 0 0 21
(Foreign) ITX ITALY 0 0 0 0 1 0 0 1 0 1 0 1 1 0 0 0 0 0 2 0 1 0 0 0 1 0 0 0 0 0 1 1 1 0 1 1 1 0 2 4 0 0 0 21
(Foreign) FIX FINLAND 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 1 0 1 1 2 1 0 5 1 2 1 0 1 18
(Foreign) ATX AUSTRIA 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 1 0 0 1 0 2 2 1 0 1 0 0 3 0 2 1 15
(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 1 0 0 0 0 0 0 0 0 1 0 1 1 0 0 1 0 1 1 1 2 3 2 15
(Foreign) AUX AUSTRALIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 1 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 0 1 0 0 1 3 1 14
(Foreign) ILX ISRAEL 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 0 0 1 1 0 0 0 0 1 0 2 2 1 0 0 0 10
(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 0 0 1 0 0 0 0 0 3 0 2 1 1 0 0 2 10
(Foreign) DKX DENMARK 0 0 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 2 1 2 2 0 0 0 0 0 8
(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 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 1 1 1 2 7
(Foreign) HUX HUNGARY 0 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 0 0 0 0 0 0 0 2 0 0 2 6
(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 1 0 0 0 0 1 1 1 5
(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 2 0 0 0 0 2 0 0 0 0 4
(Foreign) BRX BRAZIL 0 0 0 0 0 0 0 0 0 0 0 0 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 0 0 3
(Foreign) BSX THE BAHAMAS 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 0 1 0 0 0 0 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 1 0 1 0 0 0 0 0 0 0 1 3
(Foreign) BEX BELGIUM 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 0 0 0 0 0 0 0 0 2
(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 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2
(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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 2
(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 1 0 1 0 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 1 0 0 0 0 1 0 0 0 2
(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 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
(Foreign) JOX JORDAN 0 0 0 0 0 0 0 0 0 0 0 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
(Foreign) PHX PHILIPPINES 0 0 0 0 0 0 0 0 0 0 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) SUX U.S.S.R. 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 0 0 0 0 0 0 0 0 1
(Foreign) THX THAILAND 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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
(Foreign)   -- Subtotal -- 7 2 2 7 7 10 8 9 19 17 12 18 23 16 9 15 18 16 21 11 18 11 14 29 34 16 18 9 22 42 56 47 57 61 136 124 163 172 211 209 170 145 99 2110
(ALL) ALL All Regions, U.S. and Foreign 27 16 32 54 54 52 53 52 69 57 50 46 61 45 47 41 36 58 47 40 59 40 41 71 96 52 50 32 58 105 122 110 102 149 266 245 322 361 397 354 297 251 209 4726


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