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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 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 1998 1999 2000 2001 2002 Total
~Individually Owned Patent 24 35 35 21 22 137
HYUNDAI MOTOR CO., LTD. 11 23 2 9 10 55
GENERAL MOTORS CORPORATION 8 12 11 8 14 53
NEW VENTURE GEAR, INC. 11 10 11 3 11 46
FORD GLOBAL TECHNOLOGIES, INC. 6 12 11 0 1 30
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 7 7 5 3 8 30
DANA CORPORATION 2 6 8 7 2 25
TOCHIGI-FUJI SANGYO KABUSHIKI KAISHA 12 7 4 0 2 25
AISIN AW CO., LTD. 6 3 6 3 5 23
CATERPILLAR INC. 0 9 10 2 2 23
ZAHNRADFABRIK FRIEDRICHSHAFEN AG 5 3 8 3 2 21
SHIMANO INC. 2 7 4 4 0 17
FUJI JUKOGYO KABUSHIKI KAISHA 0 5 7 3 1 16
NISSAN MOTOR COMPANY, LIMITED 1 2 1 5 7 16
TOYOTA JIDOSHA K.K. 4 5 1 1 5 16
HYDRO-GEAR LIMITED PARTNERSHIP 2 4 3 2 3 14
DAIMLERCHRYSLER CORPORATION 0 0 8 2 1 11
JATCO CORPORATION 1 8 1 1 0 11
SPICER TECHNOLOGY, INC. 0 0 0 0 10 10
AISIN SEIKI KABUSHIKI KAISHA 0 4 2 0 3 9
AUBURN GEAR, INC. 0 4 2 3 0 9
KANZAKI KOKYOKOKI MFG. CO., LTD. 0 2 2 1 4 9
MERITOR HEAVY VEHICLE SYSTEMS, LLC 0 0 2 5 2 9
AMERICAN AXLE & MANUFACTURING, INC. 0 2 3 1 2 8
BORG-WARNER AUTOMOTIVE, INC. 4 3 1 0 0 8
EATON CORPORATION 1 4 1 1 1 8
NSK LIMITED 1 2 1 4 0 8
WORLD INDUSTRY CO., LTD. 0 3 2 0 3 8
ZEXEL CORPORATION 3 3 2 0 0 8
JATCO TRANSTECHNOLOGY LTD. 0 0 0 1 6 7
MANNESMANN SACHS AG 0 0 4 1 2 7
ROBERT BOSCH GMBH 0 0 2 1 4 7
FICHTEL + SACHS AG 4 2 0 0 0 6
ANTONOV AUTOMOTIVE TECHNOLOGIES B.V. 0 3 1 0 1 5
ASHA CORPORATION 2 3 0 0 0 5
DEERE + COMPANY 0 1 0 1 3 5
HITACHI, LTD 0 0 1 2 2 5
MCLAREN AUTOMOTIVE GROUP, INC. 0 0 2 2 1 5
SUMITOMO HEAVY INDUSTRIES, LTD. 1 0 1 0 3 5


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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