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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 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 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 2000 2001 2002 2003 2004 Total
ROBERT BOSCH GMBH 29 29 19 18 15 110
TOYOTA JIDOSHA K.K. 24 31 29 14 6 104
AISIN SEIKI KABUSHIKI KAISHA 15 20 9 14 12 70
CONTINENTAL TEVES AG & CO., OHG 2 24 21 7 12 66
~Individually Owned Patent 11 10 18 7 5 51
KELSEY-HAYES CO. 11 14 12 5 2 44
DENSO CORPORATION 10 10 13 3 3 39
DELPHI TECHNOLOGIES, INC. 0 5 14 12 6 37
LUCAS INDUSTRIES PUBLIC LTD. COMPANY 11 7 6 7 2 33
ITT MANUFACTURING ENTERPRISES, INC. 19 9 0 1 0 29
NEW YORK AIR BRAKE COMPANY 6 7 6 6 3 28
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 7 7 6 2 1 23
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION 2 5 5 4 6 22
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 3 7 2 5 2 19
UNISIA JECS CORPORATION 8 3 4 2 2 19
WESTINGHOUSE AIR BRAKE COMPANY 11 6 2 0 0 19
GENERAL MOTORS CORPORATION 11 2 1 2 0 16
WABCO GMBH & CO, OHG 2 4 5 2 1 14
NISSHINBO INDUSTRIES, INC. 6 4 2 1 0 13
ROBERT BOSCH CORPORATION 1 3 5 4 0 13
SIEMENS AKTIENGESELLSCHAFT 5 4 4 0 0 13
BOSCH BRAKING SYSTEMS CO., LTD. 0 3 4 4 1 12
KNORR-BREMSE SYSTEME FUR NUTZFAHRZEUGE GMBH 2 2 0 3 4 11
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 0 0 7 3 10
FUJI JUKOGYO KABUSHIKI KAISHA 4 4 1 0 1 10
BAYERISCHE MOTOREN WERKE AG 3 0 4 0 1 8
CONTINENTAL TEVES, INC. 0 2 3 2 1 8
FORD GLOBAL TECHNOLOGIES, INC. 0 4 0 4 0 8
HYDRO-AIRE, INC. 1 1 1 3 2 8
NISSIN KOGYO CO., LTD. 1 3 3 1 0 8
SUMITOMO (SEI) BRAKE SYSTEMS, INC. 0 1 3 4 0 8
AKEBONO BRAKE INDUSTRY CO., LTD. 2 5 0 0 0 7
BENDIX COMMERCIAL VEHICLE SYSTEMS LLC. 0 0 1 1 5 7
CATERPILLAR INC. 4 0 0 3 0 7
JIDOSHA KIKI CO. LTD. 6 1 0 0 0 7
NISSAN MOTOR COMPANY, LIMITED 4 1 1 0 1 7
ALLIEDSIGNAL TRUCK BRAKE SYSTEMS COMPANY 1 4 1 0 0 6
GE-HARRIS RAILWAY ELECTRONICS, L.L.C. 1 1 4 0 0 6
LUCAS VARITY GMBH 1 0 0 3 2 6
MERITOR HEAVY VEHICLE SYSTEMS, LLC 1 4 1 0 0 6
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 2 3 0 0 1 6
FORD MOTOR COMPANY 1 0 2 0 2 5
MITSUBISHI DENKI KABUSHIKI KAISHA 3 2 0 0 0 5
TOKICO LTD. 1 2 1 1 0 5
VISTEON GLOBAL TECHNOLOGIES, INC. 0 2 1 1 1 5


PTMD Contacts

Questions regarding these reports should be directed to:

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

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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