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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)

Patenting In Technology Classes,
Breakout By Organization

Count of 2001 - 2005 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 192, Clutches and Power-Stop Control

( 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 2001 2002 2003 2004 2005 Total
MANNESMANN SACHS AG 16 26 42 14 1 99
~Individually Owned Patent 18 14 11 10 14 67
ZF SACHS AG 0 0 0 31 30 61
BORGWARNER INC. 10 5 9 12 13 49
EATON CORPORATION 7 13 15 6 7 48
VALEO S.A. 23 12 4 8 1 48
NSK-WARNER K. K. 6 10 9 13 7 45
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 2 19 10 7 3 41
EXEDY CORPORATION 13 5 8 7 6 39
NTN CORPORATION 4 5 7 12 5 33
LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG 0 2 16 8 5 31
GENERAL MOTORS CORPORATION 7 3 5 10 2 27
LUK LAMELLEN UND KUPPLUNGSBAU GMBH 17 7 0 0 1 25
ZAHNRADFABRIK FRIEDRICHSHAFEN AG 5 5 4 4 7 25
LUK GETRIEBE-SYSTEME GMBH 12 8 1 2 0 23
NEW VENTURE GEAR, INC. 1 4 5 9 0 19
KOYO SEIKO COMPANY, LTD. 3 4 1 5 4 17
GKN VISCODRIVE GMBH 4 4 3 0 3 14
NSK LIMITED 4 4 2 1 2 13
YUTAKA GIKEN CO., LTD. 1 4 3 4 0 12
DENSO CORPORATION 4 1 3 2 1 11
HYUNDAI MOTOR CO., LTD. 2 5 2 1 0 10
TOYODA KOKI KABUSHIKI KAISHA 1 0 3 2 4 10
TOYOTA JIDOSHA K.K. 1 2 5 0 2 10
ZF MERITOR, L.L.C. 4 3 2 1 0 10
AISIN SEIKI KABUSHIKI KAISHA 2 0 2 2 3 9
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 3 0 1 2 3 9
DANA CORPORATION 5 3 0 1 0 9
INA WALZLAGER SCHAEFFLER OHG 3 1 5 0 0 9
MAGNA DRIVETRAIN OF AMERICA, INC. 0 0 0 0 9 9
FUJIUNIVANCE CO. 3 5 0 0 0 8
VISTEON GLOBAL TECHNOLOGIES, INC. 2 1 2 2 1 8
ASMO CO., LTD. 0 4 2 1 0 7
INA-SCHAEFFLER KG 0 0 1 4 2 7
ISUZU MOTORS LIMITED 2 1 2 1 1 7
MEANS INDUSTRIES 2 2 2 0 1 7
SONNAX INDUSTRIES, INC. 0 0 0 2 5 7
TOCHIGI-FUJI SANGYO KABUSHIKI KAISHA 0 1 0 5 1 7
BROSE FAHRZEUGTEILE GMBH & CO. KOMMANDITGESELLSCHAFT 1 0 3 2 0 6
DEERE + COMPANY 0 0 2 3 1 6
FORD GLOBAL TECHNOLOGIES, INC. 2 3 1 0 0 6
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 0 3 1 2 6
GKN AUTOMOTIVE INC. 1 0 5 0 0 6
J. M. VOITH TURBO GMBH & CO. KG 1 1 1 2 1 6
JATCO TRANSTECHNOLOGY LTD. 0 3 3 0 0 6
NISSAN MOTOR COMPANY, LIMITED 0 4 0 2 0 6
SKF FRANCE 2 2 1 1 0 6
TESMA INTERNATIONAL INC. 1 1 1 3 0 6
USUI KOKUSAI SANGYO KABUSHIKI KAISHA 1 0 2 1 2 6
WARN INDUSTRIES, INC. 2 3 1 0 0 6
CATERPILLAR INC. 0 0 3 1 1 5
DELPHI TECHNOLOGIES, INC. 1 0 1 2 1 5
GKN WALTERSCHEID GMBH 0 0 2 3 0 5
HILLIARD CORPORATION 1 0 2 1 1 5
KABUSHIKI KAISHA F.C.C. 1 1 1 1 1 5
KANZAKI KOKYOKOKI MFG. CO., LTD. 1 1 1 1 1 5
KER-TRAIN HOLDINGS LTD. 0 3 0 2 0 5
KOMATSU LTD. 1 2 0 2 0 5
L&P PROPERTY MANAGEMENT COMPANY 0 0 1 2 2 5
SHIMANO INC. 2 2 1 0 0 5
STEYR-DAIMLER-PUCH FAHRZEUGTECHNIK AG & CO.K.G. 3 1 0 1 0 5
TORQUE-TRACTION TECHNOLOGIES, INC. 0 0 2 3 0 5
UNISIA JECS CORPORATION 2 2 0 1 0 5


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