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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 475, Planetary Gear Transmission Systems or Components

( 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
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 28 38 48 120 149 383
ZF FRIEDRICHSHAFEN, AG 27 14 30 23 18 112
~INDIVIDUALLY OWNED PATENT 19 22 16 19 14 90
HYUNDAI MOTOR COMPANY 15 15 15 24 19 88
TOYOTA JIDOSHA K.K. 10 12 15 16 13 66
AMERICAN AXLE & MANUFACTURING, INC. 12 9 8 13 16 58
GENERAL MOTORS CORPORATION 42 11 4 0 0 57
AISIN AW CO., LTD. 8 7 8 5 20 48
FALLBROOK TECHNOLOGIES, INC. 18 9 3 6 1 37
FORD GLOBAL TECHNOLOGIES, L.L.C. 10 3 5 9 8 35
MAGNA POWERTRAIN USA, INC. 14 6 6 1 3 30
JATCO LTD. 4 2 3 7 8 24
EATON CORPORATION 5 8 3 1 4 21
JTEKT CORPORATION 3 2 3 4 7 19
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 3 4 4 0 5 16
CATERPILLAR INC. 3 5 2 1 3 14
SHIMANO INC. 1 2 2 5 4 14
GKN DRIVELINE INTERNATIONAL GMBH 1 2 3 6 1 13
LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG 2 0 3 6 2 13
NISSAN MOTOR COMPANY, LIMITED 7 4 1 1 0 13
NABTESCO CORPORATION 0 0 3 1 8 12
BORGWARNER INC. 2 5 2 0 2 11
GENERAL ELECTRIC COMPANY 0 1 2 3 3 9
GKN DRIVELINE TORQUE TECHNOLOGY KK 0 1 0 5 3 9
SUMITOMO HEAVY INDUSTRIES, LTD. 0 1 2 2 4 9
ARVINMERITOR TECHNOLOGY, LLC 2 4 2 0 0 8
EPI - ENERGY, LTD. 3 0 1 2 2 8
KOMATSU LTD. 0 2 2 1 3 8
NSK LIMITED 5 0 3 0 0 8
TIMKEN COMPANY 4 2 1 1 0 8
DAIMLER AG 0 2 1 2 2 7
DANA CORPORATION 5 2 0 0 0 7
DEERE + COMPANY 1 0 3 1 2 7
HANSEN TRANSMISSIONS INTERNATIONAL NV 1 1 2 2 1 7
KEIPER GMBH & CO. 2 2 3 0 0 7
SCHAEFFLER KG 0 4 2 0 1 7
UNITED TECHNOLOGIES CORPORATION 0 0 1 3 3 7
CHRYSLER GROUP LLC 0 0 2 2 2 6
DANA HEAVY VEHICLE SYSTEMS GROUP, LLC 0 3 1 0 2 6
HYDRO-GEAR LIMITED PARTNERSHIP 1 1 2 0 2 6
TOCHIGI-FUJI SANGYO KABUSHIKI KAISHA 2 4 0 0 0 6
AISIN SEIKI KABUSHIKI KAISHA 0 3 2 0 0 5
BLACK & DECKER INC. 2 3 0 0 0 5
DENSO CORPORATION 3 2 0 0 0 5
GATES CORPORATION 0 2 0 3 0 5
GETRAG DRIVELINE SYSTEMS GMBH 0 0 2 1 2 5
HITACHI, LTD 2 1 1 1 0 5
KANZAKI KOKYUKOKI MFG. CO. LTD. 1 2 1 0 1 5
MAGNA POWERTRAIN AG & CO KG 0 0 0 3 2 5
MAZDA MOTOR CORPORATION 0 0 2 2 1 5
VOLVO CONSTRUCTION EQUIPMENT HOLDING SWEDEN AB 1 2 0 0 2 5
VOLVO LASTVAGNAR AB 3 1 1 0 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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