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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 351, Optics: Eye Examining, Vision Testing and Correcting

( 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 46 31 32 45 49 203
(U.S.) NY NEW YORK 20 19 22 20 21 102
(U.S.) FL FLORIDA 12 16 19 17 16 80
(U.S.) MA MASSACHUSETTS 8 10 3 8 4 33
(U.S.) PA PENNSYLVANIA 10 6 1 7 5 29
(U.S.) IL ILLINOIS 6 8 3 7 4 28
(U.S.) TX TEXAS 4 4 4 6 8 26
(U.S.) MD MARYLAND 8 6 2 4 4 24
(U.S.) VA VIRGINIA 7 4 3 6 2 22
(U.S.) NJ NEW JERSEY 4 4 4 2 2 16
(U.S.) MO MISSOURI 1 3 4 3 4 15
(U.S.) WA WASHINGTON 2 6 4 1 2 15
(U.S.) MI MICHIGAN 1 2 6 3 1 13
(U.S.) MN MINNESOTA 3 5 2 2 1 13
(U.S.) OH OHIO 4 3 1 0 5 13
(U.S.) OR OREGON 2 0 4 3 3 12
(U.S.) NM NEW MEXICO 2 1 1 5 0 9
(U.S.) RI RHODE ISLAND 4 1 1 2 1 9
(U.S.) AZ ARIZONA 1 4 0 0 3 8
(U.S.) CT CONNECTICUT 4 1 1 0 2 8
(U.S.) UT UTAH 0 0 2 1 5 8
(U.S.) KY KENTUCKY 1 2 2 1 1 7
(U.S.) OK OKLAHOMA 0 2 2 1 2 7
(U.S.) CO COLORADO 1 0 0 3 2 6
(U.S.) TN TENNESSEE 0 2 0 4 0 6
(U.S.) AL ALABAMA 0 1 1 3 0 5
(U.S.) GA GEORGIA 3 1 0 0 1 5
(U.S.) HI HAWAII 1 1 1 1 1 5
(U.S.) IN INDIANA 3 1 0 1 0 5
(U.S.) NC NORTH CAROLINA 3 1 1 0 0 5
(U.S.) LA LOUISIANA 1 1 1 1 0 4
(U.S.) WI WISCONSIN 1 1 0 1 1 4
(U.S.) ME MAINE 1 1 1 0 0 3
(U.S.) NV NEVADA 0 1 0 2 0 3
(U.S.) WV WEST VIRGINIA 0 0 0 3 0 3
(U.S.) AR ARKANSAS 0 0 1 1 0 2
(U.S.) IA IOWA 0 1 0 0 1 2
(U.S.) MS MISSISSIPPI 1 1 0 0 0 2
(U.S.) WY WYOMING 1 0 0 1 0 2
(U.S.) AK ALASKA 0 0 0 0 1 1
(U.S.) DE DELAWARE 1 0 0 0 0 1
(U.S.) ID IDAHO 0 0 1 0 0 1
(U.S.) MT MONTANA 1 0 0 0 0 1
(U.S.) NE NEBRASKA 0 0 0 0 1 1
(U.S.) SC SOUTH CAROLINA 0 0 0 1 0 1
(U.S.) VT VERMONT 0 1 0 0 0 1
(U.S.)   -- Subtotal -- 168 152 130 166 153 769
(Foreign) JPX JAPAN 56 50 40 49 51 246
(Foreign) TWX TAIWAN 22 23 19 19 21 104
(Foreign) DEX GERMANY 13 14 16 12 17 72
(Foreign) FRX FRANCE 9 11 7 15 9 51
(Foreign) AUX AUSTRALIA 3 6 8 5 10 32
(Foreign) ILX ISRAEL 3 7 4 6 7 27
(Foreign) ITX ITALY 5 7 3 7 4 26
(Foreign) GBX UNITED KINGDOM 6 4 4 5 5 24
(Foreign) KRX SOUTH KOREA 3 3 6 2 9 23
(Foreign) CAX CANADA 3 3 3 3 7 19
(Foreign) CHX SWITZERLAND 3 1 3 3 2 12
(Foreign) HKX CHINA,HONG KONG S.A.R. 2 1 2 2 4 11
(Foreign) ATX AUSTRIA 4 2 2 2 0 10
(Foreign) NLX NETHERLANDS 2 0 2 2 3 9
(Foreign) CNX CHINA P.REP. 1 0 2 3 2 8
(Foreign) DKX DENMARK 0 4 0 3 0 7
(Foreign) FIX FINLAND 2 0 0 0 3 5
(Foreign) SEX SWEDEN 2 0 1 1 0 4
(Foreign) ESX SPAIN 0 0 0 3 0 3
(Foreign) INX INDIA 0 0 1 2 0 3
(Foreign) BRX BRAZIL 1 0 1 0 0 2
(Foreign) COX COLOMBIA 0 1 0 1 0 2
(Foreign) HUX HUNGARY 0 1 0 1 0 2
(Foreign) IEX IRELAND 0 0 0 1 1 2
(Foreign) PLX POLAND 2 0 0 0 0 2
(Foreign) RUX RUSSIAN FEDERATION 0 1 0 0 1 2
(Foreign) UAX UKRAINE 0 0 1 0 1 2
(Foreign) ARX ARGENTINA 0 0 1 0 0 1
(Foreign) BEX BELGIUM 1 0 0 0 0 1
(Foreign) NOX NORWAY 0 0 0 1 0 1
(Foreign) SGX SINGAPORE 0 1 0 0 0 1
(Foreign)   -- Subtotal -- 143 140 126 148 157 714
(ALL) ALL All Regions, U.S. and Foreign 311 292 256 314 310 1483


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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

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