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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

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

Count of 1998 - 2002 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 )

The following table displays U.S. states and countries and counts of utility patents originating from them; patents are distributed by year of patent grant
(U.S. or Foreign) Code State-Territory or Country 1998 1999 2000 2001 2002 Total
(U.S.) CA CALIFORNIA 23 23 39 29 24 138
(U.S.) TX TEXAS 13 19 21 20 8 81
(U.S.) GA GEORGIA 7 14 15 12 14 62
(U.S.) MI MICHIGAN 8 5 7 16 7 43
(U.S.) FL FLORIDA 7 10 10 10 4 41
(U.S.) IL ILLINOIS 6 7 7 7 10 37
(U.S.) NC NORTH CAROLINA 9 10 13 4 0 36
(U.S.) NY NEW YORK 2 6 10 7 11 36
(U.S.) MD MARYLAND 5 6 6 6 4 27
(U.S.) WI WISCONSIN 1 2 4 14 6 27
(U.S.) AZ ARIZONA 5 5 5 6 5 26
(U.S.) MA MASSACHUSETTS 0 2 10 6 8 26
(U.S.) WA WASHINGTON 3 5 4 4 9 25
(U.S.) MN MINNESOTA 1 8 4 8 1 22
(U.S.) NJ NEW JERSEY 5 2 6 5 4 22
(U.S.) CO COLORADO 3 1 1 7 7 19
(U.S.) OR OREGON 4 4 4 2 5 19
(U.S.) IA IOWA 2 7 4 4 0 17
(U.S.) OH OHIO 6 4 2 2 2 16
(U.S.) IN INDIANA 2 1 3 4 3 13
(U.S.) PA PENNSYLVANIA 1 1 2 4 3 11
(U.S.) CT CONNECTICUT 0 6 2 0 0 8
(U.S.) VA VIRGINIA 3 1 1 2 0 7
(U.S.) NE NEBRASKA 0 2 2 0 1 5
(U.S.) NV NEVADA 2 0 1 1 0 4
(U.S.) AL ALABAMA 0 2 0 0 1 3
(U.S.) ID IDAHO 0 1 1 1 0 3
(U.S.) NM NEW MEXICO 0 1 1 0 1 3
(U.S.) RI RHODE ISLAND 0 0 2 1 0 3
(U.S.) HI HAWAII 0 0 0 1 1 2
(U.S.) KS KANSAS 1 0 0 0 1 2
(U.S.) KY KENTUCKY 0 2 0 0 0 2
(U.S.) NH NEW HAMPSHIRE 0 0 0 0 2 2
(U.S.) SC SOUTH CAROLINA 0 0 1 1 0 2
(U.S.) TN TENNESSEE 0 0 0 1 1 2
(U.S.) WY WYOMING 0 1 0 0 1 2
(U.S.) AR ARKANSAS 0 0 0 0 1 1
(U.S.) LA LOUISIANA 0 0 0 0 1 1
(U.S.) MO MISSOURI 0 1 0 0 0 1
(U.S.) MT MONTANA 0 0 0 1 0 1
(U.S.) OK OKLAHOMA 0 0 1 0 0 1
(U.S.) UT UTAH 1 0 0 0 0 1
(U.S.)   -- Subtotal -- 120 159 189 186 146 800
(Foreign) JPX JAPAN 75 103 105 131 122 536
(Foreign) TWX TAIWAN 9 11 16 25 18 79
(Foreign) KRX SOUTH KOREA 9 15 11 7 12 54
(Foreign) DEX GERMANY 9 6 7 8 14 44
(Foreign) FRX FRANCE 3 4 7 4 7 25
(Foreign) CAX CANADA 1 4 6 7 5 23
(Foreign) SEX SWEDEN 1 2 3 9 4 19
(Foreign) GBX UNITED KINGDOM 1 8 2 4 3 18
(Foreign) NLX NETHERLANDS 2 3 2 2 4 13
(Foreign) FIX FINLAND 1 0 5 1 2 9
(Foreign) CHX SWITZERLAND 3 1 0 3 1 8
(Foreign) ITX ITALY 1 1 0 2 4 8
(Foreign) NZX NEW ZEALAND 3 0 2 1 1 7
(Foreign) ILX ISRAEL 1 0 2 2 1 6
(Foreign) DKX DENMARK 1 2 2 0 0 5
(Foreign) ATX AUSTRIA 0 1 0 0 3 4
(Foreign) HKX CHINA,HONG KONG S.A.R. 1 0 1 1 1 4
(Foreign) AUX AUSTRALIA 1 0 1 0 0 2
(Foreign) BRX BRAZIL 0 1 0 1 0 2
(Foreign) BSX THE BAHAMAS 0 1 0 1 0 2
(Foreign) HUX HUNGARY 0 0 0 0 2 2
(Foreign) SGX SINGAPORE 0 0 0 2 0 2
(Foreign) CNX CHINA P.REP. 1 0 0 0 0 1
(Foreign) ESX SPAIN 0 0 0 0 1 1
(Foreign) IEX IRELAND 0 0 0 0 1 1
(Foreign) JOX JORDAN 1 0 0 0 0 1
(Foreign) MYX MALAYSIA 0 0 0 0 1 1
(Foreign) THX THAILAND 0 0 0 0 1 1
(Foreign) ZAX SOUTH AFRICA 0 0 0 0 1 1
(Foreign)   -- Subtotal -- 124 163 172 211 209 879
(ALL) ALL All Regions, U.S. and Foreign 244 322 361 397 355 1679


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email: oeip@uspto.gov

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