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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 475, Planetary Gear Transmission Systems or Components

( 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
GENERAL MOTORS CORPORATION 8 14 45 70 23 160
~Individually Owned Patent 21 22 25 16 25 109
NEW VENTURE GEAR, INC. 3 11 24 12 1 51
ZAHNRADFABRIK FRIEDRICHSHAFEN AG 3 2 13 10 17 45
AISIN AW CO., LTD. 3 5 9 16 3 36
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 3 8 10 6 9 36
HYUNDAI MOTOR CO., LTD. 9 10 7 4 3 33
NISSAN MOTOR COMPANY, LIMITED 5 7 6 4 7 29
VISTEON GLOBAL TECHNOLOGIES, INC. 0 1 12 13 3 29
JATCO LTD. 0 0 4 10 12 26
DANA CORPORATION 7 2 2 4 4 19
TOYOTA JIDOSHA K.K. 1 5 4 6 3 19
SPICER TECHNOLOGY, INC. 0 10 6 0 0 16
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 2 2 4 6 1 15
FUJI JUKOGYO KABUSHIKI KAISHA 3 1 4 6 1 15
TORQUE-TRACTION TECHNOLOGIES, INC. 0 0 3 7 4 14
AISIN SEIKI KABUSHIKI KAISHA 0 3 5 2 3 13
ROBERT BOSCH GMBH 1 4 2 2 4 13
NSK LIMITED 4 0 4 1 3 12
TOCHIGI-FUJI SANGYO KABUSHIKI KAISHA 0 2 1 4 5 12
AMERICAN AXLE & MANUFACTURING, INC. 1 2 2 3 3 11
HYDRO-GEAR LIMITED PARTNERSHIP 2 3 1 3 2 11
JATCO TRANSTECHNOLOGY LTD. 1 6 4 0 0 11
KANZAKI KOKYOKOKI MFG. CO., LTD. 1 4 3 2 1 11
TIMKEN COMPANY 0 1 3 6 1 11
BORGWARNER INC. 3 1 1 4 1 10
DEERE + COMPANY 1 3 2 3 1 10
SHIMANO INC. 4 0 5 0 1 10
CATERPILLAR INC. 2 2 3 0 2 9
UNISIA JECS CORPORATION 1 2 5 1 0 9
MERITOR HEAVY VEHICLE SYSTEMS, LLC 5 2 1 0 0 8
DAIMLERCHRYSLER CORPORATION 2 1 0 3 1 7
EXEDY CORPORATION 0 0 4 3 0 7
MAGNA DRIVETRAIN OF AMERICA, INC. 0 0 0 0 7 7
SONNAX INDUSTRIES, INC. 0 0 0 6 1 7
TEIJIN SEIKI CO. LTD. 1 1 3 2 0 7
AUBURN GEAR, INC. 3 0 2 1 0 6
EATON CORPORATION 1 1 2 0 2 6
HITACHI, LTD 2 2 0 2 0 6
HYDRO-THOMA LIMITED 0 2 2 0 2 6
RENK AKTIENGESELLSCHAFT 0 3 3 0 0 6
SAUER-DANFOSS INC. 0 1 2 0 3 6
SUMITOMO HEAVY INDUSTRIES, LTD. 0 3 1 1 1 6
ARVINMERITOR TECHNOLOGY, LLC 0 0 0 0 5 5
BOSCH AUTOMOTIVE MOTOR SYSTEMS CORPORATION 0 0 0 2 3 5
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 0 1 0 4 5
GKN AUTOMOTIVE INC. 1 1 3 0 0 5
J. M. VOITH TURBO GMBH & CO. KG 1 0 2 1 1 5
MERITOR HEAVY VEHICLE TECHNOLOGY, LLC. 0 0 3 2 0 5
STEYR-DAIMLER-PUCH FAHRZEUGTECHNIK AG & CO.K.G. 1 2 0 0 2 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
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