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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 381, Electrical Audio Signal Processing Systems and Devices

( 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 61 56 49 44 33 243
(U.S.) MA MASSACHUSETTS 19 20 11 7 11 68
(U.S.) IL ILLINOIS 12 16 15 8 6 57
(U.S.) FL FLORIDA 14 8 12 13 3 50
(U.S.) NJ NEW JERSEY 18 9 13 2 4 46
(U.S.) TX TEXAS 10 7 11 6 7 41
(U.S.) NY NEW YORK 17 7 7 2 6 39
(U.S.) CO COLORADO 5 4 10 3 8 30
(U.S.) MN MINNESOTA 7 5 3 3 8 26
(U.S.) MI MICHIGAN 11 1 4 5 4 25
(U.S.) UT UTAH 7 1 5 5 7 25
(U.S.) IN INDIANA 3 8 1 3 7 22
(U.S.) AZ ARIZONA 6 3 4 7 1 21
(U.S.) VA VIRGINIA 7 3 8 0 3 21
(U.S.) CT CONNECTICUT 6 3 4 5 1 19
(U.S.) PA PENNSYLVANIA 8 0 2 4 4 18
(U.S.) MD MARYLAND 8 2 1 1 4 16
(U.S.) OR OREGON 3 1 3 4 3 14
(U.S.) WA WASHINGTON 3 2 3 4 1 13
(U.S.) NC NORTH CAROLINA 5 4 1 0 2 12
(U.S.) TN TENNESSEE 3 2 2 0 3 10
(U.S.) OH OHIO 2 3 2 1 1 9
(U.S.) WI WISCONSIN 3 2 1 2 0 8
(U.S.) LA LOUISIANA 2 1 0 0 4 7
(U.S.) WV WEST VIRGINIA 6 0 0 0 1 7
(U.S.) NH NEW HAMPSHIRE 1 1 3 0 1 6
(U.S.) ME MAINE 2 0 1 1 1 5
(U.S.) MO MISSOURI 2 0 1 1 0 4
(U.S.) MS MISSISSIPPI 1 0 3 0 0 4
(U.S.) AL ALABAMA 1 0 1 0 1 3
(U.S.) IA IOWA 0 0 2 0 1 3
(U.S.) KY KENTUCKY 2 0 1 0 0 3
(U.S.) ID IDAHO 2 0 0 0 0 2
(U.S.) KS KANSAS 0 1 1 0 0 2
(U.S.) NE NEBRASKA 1 0 0 1 0 2
(U.S.) NM NEW MEXICO 0 0 1 1 0 2
(U.S.) RI RHODE ISLAND 1 0 0 1 0 2
(U.S.) SC SOUTH CAROLINA 0 0 0 0 2 2
(U.S.) AR ARKANSAS 0 0 0 1 0 1
(U.S.) GA GEORGIA 0 0 0 0 1 1
(U.S.) HI HAWAII 0 1 0 0 0 1
(U.S.) NV NEVADA 1 0 0 0 0 1
(U.S.)   -- Subtotal -- 260 171 186 135 139 891
(Foreign) JPX JAPAN 112 68 79 46 46 351
(Foreign) DEX GERMANY 29 21 29 11 22 112
(Foreign) TWX TAIWAN 21 12 10 15 27 85
(Foreign) GBX UNITED KINGDOM 15 9 11 25 20 80
(Foreign) KRX SOUTH KOREA 15 10 8 5 11 49
(Foreign) CAX CANADA 14 7 8 8 7 44
(Foreign) NLX NETHERLANDS 11 1 6 6 4 28
(Foreign) FRX FRANCE 11 4 2 5 5 27
(Foreign) DKX DENMARK 3 6 5 2 3 19
(Foreign) CHX SWITZERLAND 3 1 4 4 5 17
(Foreign) FIX FINLAND 1 1 2 4 5 13
(Foreign) ILX ISRAEL 2 2 0 2 6 12
(Foreign) ATX AUSTRIA 1 0 4 1 5 11
(Foreign) SEX SWEDEN 2 3 1 0 4 10
(Foreign) ITX ITALY 2 3 1 1 2 9
(Foreign) AUX AUSTRALIA 1 0 2 2 3 8
(Foreign) NZX NEW ZEALAND 2 1 1 0 2 6
(Foreign) BEX BELGIUM 2 1 1 0 1 5
(Foreign) HKX CHINA,HONG KONG S.A.R. 1 0 0 2 1 4
(Foreign) SGX SINGAPORE 0 1 1 0 1 3
(Foreign) CNX CHINA P.REP. 0 0 0 0 2 2
(Foreign) MXX MEXICO 0 2 0 0 0 2
(Foreign) GRX GREECE 0 0 0 1 0 1
(Foreign) NOX NORWAY 0 0 0 1 0 1
(Foreign) PHX PHILIPPINES 1 0 0 0 0 1
(Foreign) RUX RUSSIAN FEDERATION 0 1 0 0 0 1
(Foreign)   -- Subtotal -- 249 154 175 141 182 901
(ALL) ALL All Regions, U.S. and Foreign 509 325 361 276 321 1792


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
PK3- Suite 441; P.O Box 1450
Alexandria VA 22313

tel: (703) 306-2600
fax: (703) 306-2737
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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