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

Patenting In Technology Classes,
Breakout By Organization

Count of 2006 - 2010 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 464, Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts

( 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 2006 2007 2008 2009 2010 Total
NTN CORPORATION 13 9 12 5 14 53
GKN DRIVELINE NORTH AMERICA, INC. 12 10 4 6 5 37
~INDIVIDUALLY OWNED PATENT 11 3 3 3 2 22
AMERICAN AXLE & MANUFACTURING, INC. 7 2 5 3 2 19
GKN DRIVELINE INTERNATIONAL GMBH 0 3 4 5 6 18
SHAFT-FORM-ENGINEERING GMBH 0 0 2 4 8 14
DENSO CORPORATION 5 2 2 1 3 13
GKN DRIVELINE DEUTSCHLAND GMBH 0 1 2 3 7 13
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 1 3 2 6 13
NSK LIMITED 4 1 5 1 1 12
JTEKT CORPORATION 0 0 1 4 6 11
AISIN SEIKI KABUSHIKI KAISHA 1 1 3 1 4 10
DELPHI TECHNOLOGIES, INC. 4 0 6 0 0 10
EXEDY CORPORATION 1 6 1 0 0 8
TORQUE-TRACTION TECHNOLOGIES LLC 5 1 2 0 0 8
SHOWA CORPORATION 1 2 0 0 4 7
AUTOMOTIVE COMPONENTS HOLDINGS, LLC 4 0 0 2 0 6
GKN AUTOMOTIVE GMBH 4 2 0 0 0 6
HYUNDAI MOTOR COMPANY 1 2 3 0 0 6
LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG 0 2 1 2 1 6
TORQUE-TRACTION TECHNOLOGIES, INC. 6 0 0 0 0 6
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 0 2 2 1 5
SPICER GELENKWELLENBAU GMBH & CO. KG 3 0 1 0 1 5
TOYODA GOSEI KABUSHIKI KAISHA 1 0 3 0 1 5
TOYODA KOKI KABUSHIKI KAISHA 2 1 1 1 0 5
VOLKSWAGEN AKTIENGESELLSCHAFT 1 2 0 1 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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