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

Patenting In Technology Classes,
Breakout By Organization

Count of 2007 - 2011 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 2007 2008 2009 2010 2011 Total
ZF FRIEDRICHSHAFEN, AG 16 13 12 10 10 61
LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG 7 8 7 22 4 48
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 5 8 6 8 19 46
NSK-WARNER K. K. 4 7 9 14 12 46
BORGWARNER INC. 13 9 8 6 8 44
~INDIVIDUALLY OWNED PATENT 10 7 7 10 6 40
SCHAEFFLER TECHNOLOGIES GMBH & CO., KG 0 0 0 3 32 35
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 5 2 4 12 11 34
TOYOTA JIDOSHA K.K. 4 3 7 5 4 23
MAGNA POWERTRAIN USA, INC. 10 3 6 2 0 21
EATON CORPORATION 4 3 2 6 4 19
YAMAHA HATSUDOKI KABUSHIKI KAISHA, YAMAHA MOTOR CO., LTD. 2 3 2 7 5 19
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 5 4 6 1 16
EXEDY CORPORATION 3 4 2 3 2 14
GENERAL MOTORS CORPORATION 8 5 1 0 0 14
SCHAEFFLER KG 0 2 1 3 8 14
HYUNDAI MOTOR COMPANY 0 2 4 3 1 10
AISIN AW CO., LTD. 1 2 0 4 1 8
JATCO LTD. 3 3 0 1 1 8
JTEKT CORPORATION 0 2 1 4 1 8
KABUSHIKI KAISHA F.C.C. 2 1 1 1 3 8
NTN CORPORATION 1 1 2 1 3 8
GETRAG FORD TRANSMISSIONS GMBH 0 3 3 0 1 7
MAGNA DRIVETRAIN AG & CO KG 1 2 1 2 1 7
MEANS INDUSTRIES 3 2 1 0 1 7
WARNER ELECTRIC TECHNOLOGY LLC 1 1 2 1 2 7
AISIN SEIKI KABUSHIKI KAISHA 3 1 1 1 0 6
AMERICAN AXLE & MANUFACTURING, INC. 0 1 0 1 4 6
DEERE + COMPANY 0 1 1 1 3 6
GETRAG GETRIEBE- UND ZAHNRADFABRIK HERMANN HAGENMEYER GMBH & CIE KG 0 1 1 3 1 6
GKN DRIVELINE TORQUE TECHNOLOGY KK 0 0 2 2 2 6
LITENS AUTOMOTIVE PARTNERSHIP 1 0 1 1 3 6
NISSAN MOTOR COMPANY, LIMITED 1 1 2 2 0 6
SANDEN CORPORATION 2 1 1 2 0 6
VALEO EMBRAYAGES 1 0 3 2 0 6
DANA AUTOMOTIVE SYSTEMS GROUP, LLC. 0 5 0 0 0 5
HONEYWELL INTERNATIONAL INC. 0 2 0 0 3 5
KIT MASTERS INC. 2 1 2 0 0 5
SONNAX INDUSTRIES, INC. 2 0 1 2 0 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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