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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 204, Chemistry: Electrical and Wave Energy

( 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 74 115 131 139 148 607
(U.S.) NY NEW YORK 20 15 16 30 23 104
(U.S.) MA MASSACHUSETTS 15 21 19 23 18 96
(U.S.) PA PENNSYLVANIA 6 23 23 19 15 86
(U.S.) TX TEXAS 8 20 16 20 11 75
(U.S.) NJ NEW JERSEY 12 17 12 14 12 67
(U.S.) OH OHIO 13 13 8 10 12 56
(U.S.) ID IDAHO 7 6 14 11 12 50
(U.S.) MI MICHIGAN 5 4 11 8 18 46
(U.S.) FL FLORIDA 8 6 7 11 6 38
(U.S.) AZ ARIZONA 5 4 6 13 6 34
(U.S.) CO COLORADO 5 7 7 5 5 29
(U.S.) WA WASHINGTON 3 4 4 5 10 26
(U.S.) CT CONNECTICUT 4 3 7 4 6 24
(U.S.) IN INDIANA 6 5 3 3 6 23
(U.S.) MT MONTANA 0 2 3 11 7 23
(U.S.) IL ILLINOIS 6 4 2 6 4 22
(U.S.) TN TENNESSEE 2 6 8 2 4 22
(U.S.) DE DELAWARE 2 11 2 3 3 21
(U.S.) MN MINNESOTA 5 4 4 3 4 20
(U.S.) NM NEW MEXICO 0 4 3 6 3 16
(U.S.) VA VIRGINIA 0 3 2 2 9 16
(U.S.) IA IOWA 3 6 2 1 3 15
(U.S.) UT UTAH 2 0 8 3 2 15
(U.S.) WI WISCONSIN 0 2 3 3 4 12
(U.S.) MD MARYLAND 2 2 4 2 1 11
(U.S.) NC NORTH CAROLINA 4 2 2 2 1 11
(U.S.) DC DISTRICT OF COLUMBIA 0 1 2 1 5 9
(U.S.) NE NEBRASKA 2 2 3 1 1 9
(U.S.) OR OREGON 3 2 2 1 1 9
(U.S.) LA LOUISIANA 1 2 1 3 0 7
(U.S.) ME MAINE 1 1 3 1 0 6
(U.S.) MO MISSOURI 1 2 0 3 0 6
(U.S.) AL ALABAMA 0 1 2 1 1 5
(U.S.) SC SOUTH CAROLINA 1 0 2 0 2 5
(U.S.) VT VERMONT 1 1 1 2 0 5
(U.S.) WY WYOMING 1 0 1 2 1 5
(U.S.) GA GEORGIA 0 0 2 1 1 4
(U.S.) KY KENTUCKY 0 3 0 0 1 4
(U.S.) NH NEW HAMPSHIRE 0 1 0 2 1 4
(U.S.) NV NEVADA 1 1 0 1 1 4
(U.S.) OK OKLAHOMA 1 1 0 2 0 4
(U.S.) RI RHODE ISLAND 0 0 0 3 0 3
(U.S.) WV WEST VIRGINIA 1 0 1 0 0 2
(U.S.) AK ALASKA 1 0 0 0 0 1
(U.S.)   -- Subtotal -- 232 327 347 383 368 1657
(Foreign) JPX JAPAN 116 97 162 140 129 644
(Foreign) DEX GERMANY 41 44 46 49 48 228
(Foreign) CAX CANADA 4 16 21 22 22 85
(Foreign) GBX UNITED KINGDOM 13 9 20 16 15 73
(Foreign) TWX TAIWAN 6 4 16 14 14 54
(Foreign) KRX SOUTH KOREA 9 4 14 10 9 46
(Foreign) FRX FRANCE 8 4 14 11 8 45
(Foreign) CHX SWITZERLAND 8 6 6 8 11 39
(Foreign) SEX SWEDEN 4 5 3 11 7 30
(Foreign) ITX ITALY 8 4 6 7 4 29
(Foreign) BEX BELGIUM 3 1 5 5 9 23
(Foreign) AUX AUSTRALIA 5 3 3 5 5 21
(Foreign) RUX RUSSIAN FEDERATION 4 3 4 9 1 21
(Foreign) ILX ISRAEL 4 3 3 4 5 19
(Foreign) NLX NETHERLANDS 2 4 2 4 4 16
(Foreign) ATX AUSTRIA 2 1 0 4 5 12
(Foreign) FIX FINLAND 0 3 1 3 2 9
(Foreign) NOX NORWAY 1 1 3 2 1 8
(Foreign) DKX DENMARK 1 0 2 3 0 6
(Foreign) BSX THE BAHAMAS 1 0 2 0 2 5
(Foreign) HKX CHINA,HONG KONG S.A.R. 0 0 1 4 0 5
(Foreign) SGX SINGAPORE 0 0 2 1 2 5
(Foreign) ZAX SOUTH AFRICA 0 0 1 1 1 3
(Foreign) CNX CHINA P.REP. 1 0 0 1 0 2
(Foreign) ESX SPAIN 0 0 1 0 1 2
(Foreign) GRX GREECE 1 0 0 0 1 2
(Foreign) NZX NEW ZEALAND 1 1 0 0 0 2
(Foreign) SKX SLOVAKIA 0 0 1 0 1 2
(Foreign) INX INDIA 0 1 0 0 0 1
(Foreign) KZX KAZAKHSTAN 0 0 0 0 1 1
(Foreign) LIX LIECHTENSTEIN 0 0 0 1 0 1
(Foreign) LUX LUXEMBOURG 0 0 0 0 1 1
(Foreign) MXX MEXICO 0 0 0 0 1 1
(Foreign) PLX POLAND 0 0 1 0 0 1
(Foreign) UAX UKRAINE 0 0 0 0 1 1
(Foreign) VEX VENEZUELA 0 0 1 0 0 1
(Foreign)   -- Subtotal -- 243 214 341 335 311 1444
(ALL) ALL All Regions, U.S. and Foreign 475 541 688 718 679 3101


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U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
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Alexandria VA 22313

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email: oeip@uspto.gov

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