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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2005 - 2009 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 2005 2006 2007 2008 2009 Total
ZF FRIEDRICHSHAFEN, AG 7 16 16 13 12 64
BORGWARNER INC. 13 14 13 9 8 57
ZF SACHS AG 29 18 1 0 0 48
~INDIVIDUALLY OWNED PATENT 14 8 10 7 7 46
LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG 5 13 7 8 7 40
NSK-WARNER K. K. 7 10 4 7 9 37
GENERAL MOTORS CORPORATION 2 12 8 5 1 28
EATON CORPORATION 7 8 4 3 2 24
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 3 8 5 2 4 22
MAGNA POWERTRAIN USA, INC. 0 3 10 3 6 22
TOYOTA JIDOSHA K.K. 2 6 4 3 7 22
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 0 0 5 8 6 19
EXEDY CORPORATION 6 2 3 4 2 17
FORD GLOBAL TECHNOLOGIES, L.L.C. 2 6 0 5 4 17
KOYO SEIKO COMPANY, LTD. 4 7 4 0 0 15
NTN CORPORATION 5 6 1 1 2 15
MAGNA DRIVETRAIN OF AMERICA, INC. 9 1 0 0 0 10
SONNAX INDUSTRIES, INC. 5 1 2 0 1 9
VALEO EMBRAYAGES 4 1 1 0 3 9
AISIN SEIKI KABUSHIKI KAISHA 2 1 3 1 1 8
MEANS INDUSTRIES 1 1 3 2 1 8
TOYODA KOKI KABUSHIKI KAISHA 4 4 0 0 0 8
YAMAHA HATSUDOKI KABUSHIKI KAISHA, YAMAHA MOTOR CO., LTD. 0 1 2 3 2 8
HYUNDAI MOTOR COMPANY 1 0 0 2 4 7
INA-SCHAEFFLER KG 2 3 0 2 0 7
JATCO LTD. 0 1 3 3 0 7
MAGNA POWERTRAIN, INC. 0 7 0 0 0 7
TOCHIGI-FUJI SANGYO KABUSHIKI KAISHA 1 3 2 1 0 7
AISIN AW CO., LTD. 2 1 1 2 0 6
GETRAG FORD TRANSMISSIONS GMBH 0 0 0 3 3 6
KABUSHIKI KAISHA F.C.C. 1 1 2 1 1 6
KIT MASTERS INC. 0 1 2 1 2 6
SHIMANO INC. 0 4 1 0 1 6
CATERPILLAR INC. 1 0 1 1 2 5
DANA AUTOMOTIVE SYSTEMS GROUP, LLC. 0 0 0 5 0 5
DENSO CORPORATION 1 1 2 1 0 5
ISUZU MOTORS LIMITED 1 2 2 0 0 5
KANZAKI KOKYUKOKI MFG. CO. LTD. 1 0 0 0 4 5
LINNIG TRUCKTEC GMBH 1 1 0 0 3 5
PORSCHE AG 0 4 0 0 1 5
USUI KOKUSAI SANGYO KABUSHIKI KAISHA 2 0 0 2 1 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
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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