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

Patenting In Technology Classes,
Breakout By Organization

Count of 2004 - 2008 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 192, Clutches and Power-Stop Control

( 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 2004 2005 2006 2007 2008 Total
ZF SACHS AG 31 29 18 1 0 79
BORGWARNER INC. 12 13 14 13 9 61
ZAHNRADFABRIK FRIEDRICHSHAFEN AG 4 7 16 16 13 56
~INDIVIDUALLY OWNED PATENT 10 14 8 10 7 49
LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG 8 5 13 7 8 41
NSK-WARNER K. K. 13 7 10 4 7 41
GENERAL MOTORS CORPORATION 10 2 12 8 5 37
EATON CORPORATION 6 7 8 4 3 28
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 7 3 8 5 2 25
NTN CORPORATION 12 5 6 1 1 25
EXEDY CORPORATION 7 6 2 3 4 22
KOYO SEIKO COMPANY, LTD. 5 4 7 4 0 20
MAGNA POWERTRAIN USA, INC. 0 0 3 10 3 16
MANNESMANN SACHS AG 14 1 0 0 0 15
TOYOTA JIDOSHA K.K. 0 2 6 4 3 15
FORD GLOBAL TECHNOLOGIES, L.L.C. 1 2 6 0 5 14
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 0 0 0 5 8 13
TOCHIGI-FUJI SANGYO KABUSHIKI KAISHA 5 1 3 2 1 12
INA-SCHAEFFLER KG 4 2 3 0 2 11
MAGNA DRIVETRAIN OF AMERICA, INC. 0 9 1 0 0 10
SONNAX INDUSTRIES, INC. 2 5 1 2 0 10
TOYODA KOKI KABUSHIKI KAISHA 2 4 4 0 0 10
AISIN SEIKI KABUSHIKI KAISHA 2 2 1 3 1 9
NEW VENTURE GEAR, INC. 9 0 0 0 0 9
VALEO S.A. 8 1 0 0 0 9
DENSO CORPORATION 2 1 1 2 1 7
JATCO LTD. 0 0 1 3 3 7
MAGNA POWERTRAIN, INC. 0 0 7 0 0 7
MEANS INDUSTRIES 0 1 1 3 2 7
YUTAKA GIKEN CO., LTD. 4 0 1 1 1 7
AISIN AW CO., LTD. 0 2 1 1 2 6
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 2 3 0 0 1 6
DEERE + COMPANY 3 1 1 0 1 6
DELPHI TECHNOLOGIES, INC. 2 1 2 1 0 6
ISUZU MOTORS LIMITED 1 1 2 2 0 6
KABUSHIKI KAISHA F.C.C. 1 1 1 2 1 6
VALEO EMBRAYAGES 0 4 1 1 0 6
YAMAHA HATSUDOKI KABUSHIKI KAISHA, YAMAHA MOTOR CO., LTD. 0 0 1 2 3 6
BROSE FAHRZEUGTEILE GMBH & CO. KG 2 0 1 0 2 5
DANA AUTOMOTIVE SYSTEMS GROUP, LLC. 0 0 0 0 5 5
J. M. VOITH TURBO GMBH & CO. KG 2 1 1 1 0 5
L&P PROPERTY MANAGEMENT COMPANY 2 2 0 1 0 5
NSK LIMITED 1 2 1 0 1 5
ROBERT BOSCH GMBH 2 0 2 0 1 5
SHIMANO INC. 0 0 4 1 0 5
USUI KOKUSAI SANGYO KABUSHIKI KAISHA 1 2 0 0 2 5


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

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

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


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