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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

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

Count of 2004 - 2008 Utility Patent Grants,
As Distributed 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 363, Electric Power Conversion Systems

( technology class is determined by the primary classification assigned to a 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 either by year of patent grant or by year of patent application.
(U.S. or Foreign) Code State-Territory or Country 2004 2005 2006 2007 2008 Total
(U.S.) CA CALIFORNIA 48 51 53 45 55 252
(U.S.) TX TEXAS 11 5 12 7 8 43
(U.S.) MA MASSACHUSETTS 5 7 7 8 6 33
(U.S.) AZ ARIZONA 8 6 5 4 9 32
(U.S.) NY NEW YORK 8 7 5 6 3 29
(U.S.) NC NORTH CAROLINA 5 9 6 4 2 26
(U.S.) MI MICHIGAN 1 6 5 8 3 23
(U.S.) FL FLORIDA 4 4 5 5 4 22
(U.S.) VA VIRGINIA 4 6 4 4 2 20
(U.S.) IL ILLINOIS 2 1 4 5 3 15
(U.S.) WI WISCONSIN 3 4 2 3 2 14
(U.S.) OH OHIO 3 2 4 1 2 12
(U.S.) CO COLORADO 3 3 2 1 2 11
(U.S.) NH NEW HAMPSHIRE 3 3 1 2 2 11
(U.S.) PA PENNSYLVANIA 1 2 2 2 3 10
(U.S.) WA WASHINGTON 4 0 3 1 1 9
(U.S.) NJ NEW JERSEY 0 3 3 0 2 8
(U.S.) CT CONNECTICUT 3 1 2 1 0 7
(U.S.) IN INDIANA 2 1 0 2 2 7
(U.S.) MN MINNESOTA 0 3 2 1 1 7
(U.S.) OR OREGON 1 0 0 0 4 5
(U.S.) KS KANSAS 3 0 0 1 0 4
(U.S.) NM NEW MEXICO 2 1 0 0 0 3
(U.S.) AL ALABAMA 1 0 0 1 0 2
(U.S.) GA GEORGIA 0 0 1 0 1 2
(U.S.) RI RHODE ISLAND 0 2 0 0 0 2
(U.S.) IA IOWA 1 0 0 0 0 1
(U.S.) NV NEVADA 0 0 0 0 1 1
(U.S.) SC SOUTH CAROLINA 0 0 0 1 0 1
(U.S.) SD SOUTH DAKOTA 1 0 0 0 0 1
(U.S.) TN TENNESSEE 0 0 0 0 1 1
(U.S.) VT VERMONT 0 0 0 0 1 1
(U.S.)   -- Subtotal -- 127 127 128 113 120 615
(Foreign) JPX JAPAN 77 76 87 94 80 414
(Foreign) TWX TAIWAN 21 25 35 38 33 152
(Foreign) DEX GERMANY 28 6 22 13 21 90
(Foreign) KRX KOREA, SOUTH 6 11 17 5 13 52
(Foreign) FRX FRANCE 7 11 11 5 9 43
(Foreign) CAX CANADA 9 4 3 6 6 28
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 4 2 11 2 7 26
(Foreign) FIX FINLAND 4 5 6 6 3 24
(Foreign) NLX NETHERLANDS 3 5 3 3 4 18
(Foreign) CHX SWITZERLAND 3 0 4 5 5 17
(Foreign) ITX ITALY 3 1 4 3 6 17
(Foreign) SEX SWEDEN 2 3 3 3 5 16
(Foreign) HKX CHINA,HONG KONG S.A.R. 1 4 3 1 5 14
(Foreign) GBX UNITED KINGDOM 1 3 3 3 3 13
(Foreign) ATX AUSTRIA 2 2 1 1 1 7
(Foreign) PHX PHILIPPINES 2 0 2 2 0 6
(Foreign) SGX SINGAPORE 1 0 1 0 3 5
(Foreign) DKX DENMARK 0 1 2 1 0 4
(Foreign) NOX NORWAY 0 2 0 0 1 3
(Foreign) AUX AUSTRALIA 0 0 2 0 0 2
(Foreign) ESX SPAIN 1 0 0 1 0 2
(Foreign) ILX ISRAEL 1 1 0 0 0 2
(Foreign) INX INDIA 0 0 0 0 2 2
(Foreign) ROX ROMANIA 1 0 1 0 0 2
(Foreign) THX THAILAND 0 0 1 1 0 2
(Foreign) BEX BELGIUM 1 0 0 0 0 1
(Foreign) BRX BRAZIL 1 0 0 0 0 1
(Foreign) CZX CZECH REPUBLIC 0 0 0 0 1 1
(Foreign) IEX IRELAND 0 0 0 1 0 1
(Foreign) NZX NEW ZEALAND 0 1 0 0 0 1
(Foreign) UAX UKRAINE 1 0 0 0 0 1
(Foreign) ZAX SOUTH AFRICA 0 1 0 0 0 1
(Foreign)   -- Subtotal -- 180 164 222 194 208 968
(ALL) ALL All Regions, U.S. and Foreign 307 291 350 307 328 1583


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

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

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
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