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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 Organization

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 Organizations Receiving 5 or More Utility Patents During the Period
Having Primary Classification In

Class 303, Fluid-Pressure and Analogous Brake Systems

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent ownership is determined by the first-named assignee listed on a patent )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant
First-Named Assignee 1998 1999 2000 2001 2002 Total
ROBERT BOSCH GMBH 32 15 29 29 19 124
TOYOTA JIDOSHA K.K. 22 17 24 31 29 123
AISIN SEIKI KABUSHIKI KAISHA 16 22 15 20 9 82
~Individually Owned Patent 6 11 11 10 18 56
ITT MANUFACTURING ENTERPRISES, INC. 3 20 19 9 0 51
KELSEY-HAYES CO. 5 9 11 14 12 51
CONTINENTAL TEVES AG & CO., OHG 0 1 2 24 21 48
WESTINGHOUSE AIR BRAKE COMPANY 17 12 11 6 2 48
DENSO CORPORATION 0 10 10 10 13 43
LUCAS INDUSTRIES PUBLIC LTD. COMPANY 10 5 11 7 6 39
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 6 5 7 7 6 31
GENERAL MOTORS CORPORATION 9 7 11 2 1 30
ITT AUTOMOTIVE EUROPE GMBH 15 10 3 0 0 28
NEW YORK AIR BRAKE COMPANY 1 2 6 7 6 22
NISSHINBO INDUSTRIES, INC. 3 7 6 4 2 22
DELPHI TECHNOLOGIES, INC. 0 0 0 5 14 19
UNISIA JECS CORPORATION 0 4 8 3 4 19
WABCO GMBH & CO, OHG 0 5 2 4 5 16
AKEBONO BRAKE INDUSTRY CO., LTD. 5 3 2 5 0 15
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA 5 6 1 1 1 14
SIEMENS AKTIENGESELLSCHAFT 0 1 5 4 4 14
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 0 2 3 7 1 13
JIDOSHA KIKI CO. LTD. 2 3 6 1 0 12
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION 0 0 2 5 5 12
FUJI JUKOGYO KABUSHIKI KAISHA 1 1 4 4 1 11
NISSAN MOTOR COMPANY, LIMITED 1 4 4 1 1 11
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 2 3 2 3 0 10
BAYERISCHE MOTOREN WERKE AG 1 1 3 0 4 9
MITSUBISHI DENKI KABUSHIKI KAISHA 1 3 3 2 0 9
ROBERT BOSCH CORPORATION 0 0 1 3 5 9
CATERPILLAR INC. 1 3 4 0 0 8
NISSIN KOGYO CO., LTD. 1 0 1 3 3 8
BOSCH BRAKING SYSTEMS CO., LTD. 0 0 0 3 4 7
KNORR-BREMSE SYSTEME FUR NUTZFAHRZEUGE GMBH 3 0 2 2 0 7
MAZDA MOTOR CORPORATION 2 2 2 0 1 7
TOKICO LTD. 0 3 1 2 1 7
ALLIEDSIGNAL TRUCK BRAKE SYSTEMS COMPANY 0 0 1 4 1 6
BOSCH SYSTEMES DE FREINAGE 3 2 1 0 0 6
CONTINENTAL AKTIENGESELLSCHAFT 2 2 0 2 0 6
DAIMLER-BENZ AKTIENGESELLSCHAFT 5 1 0 0 0 6
FORD GLOBAL TECHNOLOGIES, INC. 1 1 0 4 0 6
GE-HARRIS RAILWAY ELECTRONICS, L.L.C. 0 0 1 1 4 6
MANDO MACHINERY CORP. LTD. 2 0 1 2 1 6
MERITOR HEAVY VEHICLE SYSTEMS, LLC 0 0 1 4 1 6
B. F. GOODRICH CO. 0 2 1 2 0 5
CONTINENTAL TEVES, INC. 0 0 0 2 3 5
HYUNDAI MOTOR CO., LTD. 1 1 1 2 0 5
NIPPONDENSO CO., LTD. 3 1 0 1 0 5


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Office of Electronic Information Products - PTMD
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Alexandria VA 22313

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email: oeip@uspto.gov

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