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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 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 2007 2008 2009 2010 2011 Total
NTN CORPORATION 9 12 5 14 17 57
GKN DRIVELINE NORTH AMERICA, INC. 10 4 6 5 10 35
GKN DRIVELINE INTERNATIONAL GMBH 3 4 5 6 2 20
GKN DRIVELINE DEUTSCHLAND GMBH 1 2 3 7 4 17
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 3 2 6 5 17
SHAFT-FORM-ENGINEERING GMBH 0 2 4 8 3 17
~INDIVIDUALLY OWNED PATENT 3 3 3 2 6 17
AMERICAN AXLE & MANUFACTURING, INC. 2 5 3 2 4 16
JTEKT CORPORATION 0 1 4 6 4 15
EXEDY CORPORATION 6 1 0 0 4 11
AISIN SEIKI KABUSHIKI KAISHA 1 3 1 4 1 10
DENSO CORPORATION 2 2 1 3 1 9
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 2 2 1 3 8
NSK LIMITED 1 5 1 1 0 8
DELPHI TECHNOLOGIES, INC. 0 6 0 0 0 6
LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG 2 1 2 1 0 6
NOK CORPORATION 1 0 2 1 2 6
SHOWA CORPORATION 2 0 0 4 0 6
TOYOTA JIDOSHA K.K. 1 1 2 0 2 6
ZF FRIEDRICHSHAFEN, AG 0 0 1 2 3 6
BORGWARNER INC. 2 0 1 0 2 5
EUROCOPTER FRANCE S.A. 0 0 2 1 2 5
HYUNDAI MOTOR COMPANY 2 3 0 0 0 5
HYUNDAI WIA CORPORATION 0 0 0 1 4 5
SCHAEFFLER TECHNOLOGIES GMBH & CO., KG 0 0 0 1 4 5
VOLKSWAGEN AKTIENGESELLSCHAFT 2 0 1 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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