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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 181, Acoustics

( 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 14 15 14 13 16 72
(U.S.) TX TEXAS 7 11 9 8 9 44
(U.S.) OH OHIO 4 8 6 6 3 27
(U.S.) MI MICHIGAN 9 5 7 1 3 25
(U.S.) NY NEW YORK 9 8 4 2 2 25
(U.S.) MA MASSACHUSETTS 4 6 6 2 4 22
(U.S.) PA PENNSYLVANIA 3 2 6 2 7 20
(U.S.) MN MINNESOTA 5 6 3 3 2 19
(U.S.) IN INDIANA 3 2 5 3 3 16
(U.S.) IL ILLINOIS 3 2 4 3 2 14
(U.S.) NC NORTH CAROLINA 3 1 5 1 3 13
(U.S.) WA WASHINGTON 2 4 1 3 3 13
(U.S.) FL FLORIDA 1 2 4 2 2 11
(U.S.) MD MARYLAND 2 1 4 1 3 11
(U.S.) CT CONNECTICUT 3 4 0 1 1 9
(U.S.) NJ NEW JERSEY 2 3 2 1 1 9
(U.S.) LA LOUISIANA 2 3 1 1 1 8
(U.S.) UT UTAH 1 0 2 2 3 8
(U.S.) WI WISCONSIN 1 2 1 1 3 8
(U.S.) GA GEORGIA 1 1 1 0 3 6
(U.S.) KS KANSAS 0 2 0 1 3 6
(U.S.) OK OKLAHOMA 0 0 4 1 1 6
(U.S.) AL ALABAMA 1 2 1 1 0 5
(U.S.) AZ ARIZONA 1 1 1 1 1 5
(U.S.) CO COLORADO 2 0 1 1 0 4
(U.S.) RI RHODE ISLAND 1 0 2 0 1 4
(U.S.) VA VIRGINIA 0 2 1 1 0 4
(U.S.) AR ARKANSAS 0 1 1 0 0 2
(U.S.) MO MISSOURI 0 0 1 1 0 2
(U.S.) MS MISSISSIPPI 0 1 1 0 0 2
(U.S.) NH NEW HAMPSHIRE 0 0 1 0 1 2
(U.S.) OR OREGON 0 0 0 1 1 2
(U.S.) TN TENNESSEE 0 1 1 0 0 2
(U.S.) AK ALASKA 1 0 0 0 0 1
(U.S.) DE DELAWARE 1 0 0 0 0 1
(U.S.) IA IOWA 0 0 0 0 1 1
(U.S.) KY KENTUCKY 1 0 0 0 0 1
(U.S.) ND NORTH DAKOTA 0 0 1 0 0 1
(U.S.) NV NEVADA 0 1 0 0 0 1
(U.S.) SC SOUTH CAROLINA 1 0 0 0 0 1
(U.S.) SD SOUTH DAKOTA 0 1 0 0 0 1
(U.S.)   -- Subtotal -- 88 98 101 64 83 434
(Foreign) JPX JAPAN 28 24 18 16 16 102
(Foreign) DEX GERMANY 9 15 14 17 14 69
(Foreign) TWX TAIWAN 7 7 9 2 13 38
(Foreign) GBX UNITED KINGDOM 4 3 4 3 5 19
(Foreign) SEX SWEDEN 3 5 7 1 3 19
(Foreign) FRX FRANCE 1 5 6 3 2 17
(Foreign) CAX CANADA 4 3 4 2 3 16
(Foreign) KRX SOUTH KOREA 3 1 2 3 3 12
(Foreign) CHX SWITZERLAND 2 3 0 3 2 10
(Foreign) NLX NETHERLANDS 0 1 2 3 0 6
(Foreign) ITX ITALY 1 1 2 0 1 5
(Foreign) ATX AUSTRIA 2 0 0 2 0 4
(Foreign) BEX BELGIUM 1 1 0 0 2 4
(Foreign) BRX BRAZIL 0 2 0 0 1 3
(Foreign) DKX DENMARK 0 1 0 2 0 3
(Foreign) FIX FINLAND 1 1 0 1 0 3
(Foreign) AUX AUSTRALIA 0 0 0 1 1 2
(Foreign) NOX NORWAY 0 0 1 1 0 2
(Foreign) CNX CHINA P.REP. 0 0 1 0 0 1
(Foreign) ESX SPAIN 0 1 0 0 0 1
(Foreign) IDX INDONESIA 0 0 0 0 1 1
(Foreign) IEX IRELAND 0 0 0 0 1 1
(Foreign) ILX ISRAEL 0 0 0 1 0 1
(Foreign) MYX MALAYSIA 0 0 0 0 1 1
(Foreign) NZX NEW ZEALAND 0 0 0 1 0 1
(Foreign) VEX VENEZUELA 0 0 1 0 0 1
(Foreign)   -- Subtotal -- 66 74 71 62 69 342
(ALL) ALL All Regions, U.S. and Foreign 154 172 172 126 152 776


PTMD Contacts

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

tel: (703) 306-2600
fax: (703) 306-2737
email: oeip@uspto.gov

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