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

Patenting In Technology Classes,
Breakout By Organization

Count of 2001 - 2005 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 2001 2002 2003 2004 2005 Total
ROBERT BOSCH GMBH 29 19 18 15 15 96
TOYOTA JIDOSHA K.K. 31 29 14 6 12 92
CONTINENTAL TEVES AG & CO., OHG 24 21 7 12 13 77
AISIN SEIKI KABUSHIKI KAISHA 20 9 14 12 4 59
DELPHI TECHNOLOGIES, INC. 5 14 12 6 7 44
~Individually Owned Patent 10 18 7 5 4 44
KELSEY-HAYES CO. 14 12 5 2 3 36
DENSO CORPORATION 10 13 3 3 2 31
NEW YORK AIR BRAKE CORPORATION 7 6 6 3 4 26
LUCAS INDUSTRIES PUBLIC LTD. COMPANY 7 6 7 2 0 22
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION 5 5 4 6 2 22
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 7 6 2 1 4 20
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 7 2 5 2 2 18
WABCO GMBH & CO, OHG 4 5 2 1 6 18
ADVICS CO., LTD. 0 0 1 2 13 16
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 0 7 3 3 13
ROBERT BOSCH CORPORATION 3 5 4 0 1 13
BOSCH BRAKING SYSTEMS CO., LTD. 3 4 4 1 0 12
UNISIA JECS CORPORATION 3 4 2 2 0 11
CONTINENTAL TEVES, INC. 2 3 2 1 2 10
HYDRO-AIRE, INC. 1 1 3 2 3 10
ITT MANUFACTURING ENTERPRISES, INC. 9 0 1 0 0 10
KNORR-BREMSE SYSTEME FUR NUTZFAHRZEUGE GMBH 2 0 3 4 1 10
HITACHI, LTD 2 1 1 0 5 9
FORD GLOBAL TECHNOLOGIES, INC. 4 0 4 0 0 8
KNORR-BREMSE SYSTEME FUR SCHIENENFAHRZEUGE GMBH 0 0 1 2 5 8
SIEMENS AKTIENGESELLSCHAFT 4 4 0 0 0 8
SUMITOMO (SEI) BRAKE SYSTEMS, INC. 1 3 4 0 0 8
WESTINGHOUSE AIR BRAKE COMPANY 6 2 0 0 0 8
BENDIX COMMERCIAL VEHICLE SYSTEMS LLC. 0 1 1 5 0 7
FUJI JUKOGYO KABUSHIKI KAISHA 4 1 0 1 1 7
GE-HARRIS RAILWAY ELECTRONICS, L.L.C. 1 4 0 0 2 7
NISSHINBO INDUSTRIES, INC. 4 2 1 0 0 7
NISSIN KOGYO CO., LTD. 3 3 1 0 0 7
GENERAL MOTORS CORPORATION 2 1 2 0 1 6
VISTEON GLOBAL TECHNOLOGIES, INC. 2 1 1 1 1 6
AKEBONO BRAKE INDUSTRY CO., LTD. 5 0 0 0 0 5
ALLIEDSIGNAL TRUCK BRAKE SYSTEMS COMPANY 4 1 0 0 0 5
BAYERISCHE MOTOREN WERKE AG 0 4 0 1 0 5
LUCAS VARITY GMBH 0 0 3 2 0 5
MERITOR HEAVY VEHICLE SYSTEMS, LLC 4 1 0 0 0 5
NISSAN MOTOR COMPANY, LIMITED 1 1 0 1 2 5
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 3 0 0 1 1 5


PTMB Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMB
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

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

address of PTMB pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMB reports and materials from : ftp.uspto.gov/pub/taf/


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