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

Patenting In Technology Classes,
Breakout By Organization

Count of 2009 - 2013 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 2009 2010 2011 2012 2013 Total
NTN CORPORATION 5 14 17 22 22 80
JTEKT CORPORATION 4 6 4 8 14 36
GKN DRIVELINE NORTH AMERICA, INC. 6 5 10 8 3 32
~INDIVIDUALLY OWNED PATENT 3 2 6 6 7 24
SCHAEFFLER TECHNOLOGIES AG & CO. KG 0 0 0 11 10 21
SHAFT-FORM-ENGINEERING GMBH 4 8 3 6 0 21
GKN DRIVELINE INTERNATIONAL GMBH 5 6 2 5 2 20
AISIN SEIKI KABUSHIKI KAISHA 1 4 1 5 7 18
HYUNDAI WIA CORPORATION 0 1 4 4 9 18
GKN DRIVELINE DEUTSCHLAND GMBH 3 7 4 2 1 17
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 2 6 5 1 0 14
AMERICAN AXLE & MANUFACTURING, INC. 3 2 4 3 0 12
STEERING SOLUTIONS IP HOLDING CORPORATION 0 0 0 8 4 12
NEUMAYER TEKFOR HOLDING GMBH 0 0 4 4 3 11
GM GLOBAL TECHNOLOGY OPERATIONS LLC 0 1 3 2 4 10
TOYOTA JIDOSHA K.K. 2 0 2 0 6 10
ZF FRIEDRICHSHAFEN, AG 1 2 3 1 2 9
EXEDY CORPORATION 0 0 4 1 3 8
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. 0 0 0 4 4 8
FORD GLOBAL TECHNOLOGIES, L.L.C. 2 1 3 1 0 7
SGF SUDDEUTSCHE GELENKSCHEIBENFABRIK GMBH & CO. KG 0 0 2 0 5 7
DANA AUTOMOTIVE SYSTEMS GROUP, LLC. 1 0 1 1 3 6
EUROCOPTER 2 1 2 0 1 6
IFA-TECHNOLOGIES GMBH 0 2 1 3 0 6
NOK CORPORATION 2 1 2 1 0 6
SCHAEFFLER TECHNOLOGIES GMBH & CO., KG 0 1 4 1 0 6
BORGWARNER INC. 1 0 2 2 0 5
CENTA-ANTRIEBE KIRSCHEY GMBH 2 0 0 1 2 5
DENSO CORPORATION 1 3 1 0 0 5
SCHAEFFLER KG 0 3 0 2 0 5
SHOWA CORPORATION 0 4 0 1 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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