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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 2000 - 2004 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 2000 2001 2002 2003 2004 Total
(U.S.) CA CALIFORNIA 39 29 24 31 23 146
(U.S.) TX TEXAS 21 20 8 9 8 66
(U.S.) GA GEORGIA 15 12 14 9 10 60
(U.S.) MI MICHIGAN 7 16 7 12 9 51
(U.S.) NY NEW YORK 10 7 11 8 7 43
(U.S.) IL ILLINOIS 7 7 10 4 5 33
(U.S.) FL FLORIDA 10 10 4 3 5 32
(U.S.) WI WISCONSIN 4 14 6 5 2 31
(U.S.) AZ ARIZONA 5 6 5 8 5 29
(U.S.) MA MASSACHUSETTS 10 6 8 3 1 28
(U.S.) MD MARYLAND 6 6 4 4 3 23
(U.S.) CO COLORADO 1 7 7 5 1 21
(U.S.) NC NORTH CAROLINA 13 4 0 2 2 21
(U.S.) WA WASHINGTON 4 4 9 2 2 21
(U.S.) NJ NEW JERSEY 6 5 3 2 4 20
(U.S.) IN INDIANA 3 4 3 3 4 17
(U.S.) MN MINNESOTA 4 8 1 1 2 16
(U.S.) OH OHIO 2 2 2 6 3 15
(U.S.) OR OREGON 4 2 5 1 0 12
(U.S.) PA PENNSYLVANIA 2 4 3 1 1 11
(U.S.) IA IOWA 4 4 0 0 0 8
(U.S.) VA VIRGINIA 1 2 0 0 3 6
(U.S.) ID IDAHO 1 1 0 1 2 5
(U.S.) SC SOUTH CAROLINA 1 1 0 1 1 4
(U.S.) CT CONNECTICUT 2 0 0 0 1 3
(U.S.) KS KANSAS 0 0 1 2 0 3
(U.S.) MO MISSOURI 0 0 0 2 1 3
(U.S.) NE NEBRASKA 2 0 1 0 0 3
(U.S.) NH NEW HAMPSHIRE 0 0 2 1 0 3
(U.S.) RI RHODE ISLAND 2 1 0 0 0 3
(U.S.) UT UTAH 0 0 0 1 2 3
(U.S.) HI HAWAII 0 1 1 0 0 2
(U.S.) NM NEW MEXICO 1 0 1 0 0 2
(U.S.) NV NEVADA 1 1 0 0 0 2
(U.S.) TN TENNESSEE 0 1 1 0 0 2
(U.S.) AL ALABAMA 0 0 1 0 0 1
(U.S.) AR ARKANSAS 0 0 1 0 0 1
(U.S.) LA LOUISIANA 0 0 1 0 0 1
(U.S.) MT MONTANA 0 1 0 0 0 1
(U.S.) OK OKLAHOMA 1 0 0 0 0 1
(U.S.) WY WYOMING 0 0 1 0 0 1
(U.S.)   -- Subtotal -- 189 186 145 127 107 754
(Foreign) JPX JAPAN 105 131 122 95 77 530
(Foreign) TWX TAIWAN 16 25 18 20 23 102
(Foreign) DEX GERMANY 7 8 14 15 11 55
(Foreign) KRX SOUTH KOREA 11 7 12 6 11 47
(Foreign) CAX CANADA 6 7 5 11 4 33
(Foreign) FRX FRANCE 7 4 7 4 4 26
(Foreign) SEX SWEDEN 3 9 4 4 2 22
(Foreign) GBX UNITED KINGDOM 2 4 3 5 1 15
(Foreign) FIX FINLAND 5 1 2 1 0 9
(Foreign) NLX NETHERLANDS 2 2 4 1 0 9
(Foreign) HKX CHINA,HONG KONG S.A.R. 1 1 1 2 3 8
(Foreign) ITX ITALY 0 2 4 0 0 6
(Foreign) ATX AUSTRIA 0 0 3 0 2 5
(Foreign) AUX AUSTRALIA 1 0 0 1 3 5
(Foreign) CHX SWITZERLAND 0 3 1 1 0 5
(Foreign) ILX ISRAEL 2 2 1 0 0 5
(Foreign) NZX NEW ZEALAND 2 1 1 0 0 4
(Foreign) ESX SPAIN 0 0 1 1 1 3
(Foreign) BRX BRAZIL 0 1 0 1 0 2
(Foreign) CNX CHINA P.REP. 0 0 0 1 1 2
(Foreign) DKX DENMARK 2 0 0 0 0 2
(Foreign) HUX HUNGARY 0 0 2 0 0 2
(Foreign) IEX IRELAND 0 0 1 1 0 2
(Foreign) MYX MALAYSIA 0 0 1 0 1 2
(Foreign) SGX SINGAPORE 0 2 0 0 0 2
(Foreign) BSX THE BAHAMAS 0 1 0 0 0 1
(Foreign) INX INDIA 0 0 0 0 1 1
(Foreign) THX THAILAND 0 0 1 0 0 1
(Foreign) ZAX SOUTH AFRICA 0 0 1 0 0 1
(Foreign)   -- Subtotal -- 172 211 209 170 145 907
(ALL) ALL All Regions, U.S. and Foreign 361 397 354 297 252 1661


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMD pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMD reports and materials from : ftp.uspto.gov/pub/taf/


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