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

Patenting In Technology Classes,
Breakout By Organization

Count of 2011 - 2015 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 2011 2012 2013 2014 2015 Total
NTN CORPORATION 17 22 22 7 10 78
JTEKT CORPORATION 4 8 14 4 3 33
~INDIVIDUALLY OWNED PATENT 6 6 7 6 6 31
SCHAEFFLER TECHNOLOGIES AG & CO. KG 4 12 10 2 2 30
GKN DRIVELINE NORTH AMERICA, INC. 10 8 3 3 1 25
HYUNDAI WIA CORPORATION 4 4 9 6 0 23
AISIN SEIKI KABUSHIKI KAISHA 1 5 7 6 2 21
TOYOTA JIDOSHA K.K. 2 0 6 6 2 16
GKN DRIVELINE INTERNATIONAL GMBH 2 5 2 2 3 14
GM GLOBAL TECHNOLOGY OPERATIONS LLC 3 2 4 3 2 14
DANA AUTOMOTIVE SYSTEMS GROUP, LLC. 1 1 3 5 3 13
EXEDY CORPORATION 4 1 3 4 1 13
SGF SUDDEUTSCHE GELENKSCHEIBENFABRIK GMBH & CO. KG 2 0 5 5 1 13
STEERING SOLUTIONS IP HOLDING CORPORATION 0 8 4 1 0 13
NEUMAYER TEKFOR HOLDING GMBH 4 4 3 1 0 12
AMERICAN AXLE & MANUFACTURING, INC. 4 3 0 1 2 10
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. 0 4 4 1 0 9
SHAFT-FORM-ENGINEERING GMBH 3 6 0 0 0 9
AISIN AW CO., LTD. 0 0 0 5 2 7
GKN DRIVELINE DEUTSCHLAND GMBH 4 2 1 0 0 7
ZF FRIEDRICHSHAFEN, AG 3 1 2 0 1 7
AKTIEBOLAGET SKF 1 1 1 2 1 6
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 5 1 0 0 0 6
VALEO EMBRAYAGES 0 0 1 2 3 6
BORGWARNER INC. 2 2 0 1 0 5
CENTA-ANTRIEBE KIRSCHEY GMBH 0 1 2 1 1 5
FORD GLOBAL TECHNOLOGIES, L.L.C. 4 1 0 0 0 5
MANDO CORPORATION 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/reports.htm
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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