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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 123, Internal-Combustion Engines

( 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
~INDIVIDUALLY OWNED PATENT 133 128 98 113 99 571
TOYOTA JIDOSHA K.K. 107 112 60 87 74 440
FORD GLOBAL TECHNOLOGIES, L.L.C. 93 88 57 93 104 435
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 71 110 76 80 79 416
DENSO CORPORATION 91 82 69 48 48 338
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 45 49 55 81 66 296
ROBERT BOSCH GMBH 61 58 35 38 25 217
HITACHI, LTD 51 35 37 26 20 169
CATERPILLAR INC. 41 41 28 27 24 161
DELPHI TECHNOLOGIES, INC. 39 41 29 20 9 138
NISSAN MOTOR COMPANY, LIMITED 46 34 22 19 8 129
SCHAEFFLER KG 23 25 17 33 25 123
HYUNDAI MOTOR COMPANY 13 14 10 20 49 106
YAMAHA HATSUDOKI KABUSHIKI KAISHA, YAMAHA MOTOR CO., LTD. 26 23 22 19 16 106
SIEMENS AKTIENGESELLSCHAFT 27 30 14 6 0 77
MITSUBISHI DENKI KABUSHIKI KAISHA 24 8 11 13 8 64
KAWASAKI JUKOGYO KABUSHIKI KAISHA 14 15 11 15 5 60
DAIMLER AG 0 22 15 12 10 59
CONTINENTAL AUTOMOTIVE GMBH 0 0 1 22 31 54
MAHLE INTERNATIONAL GMBH 2 12 15 10 12 51
AISAN INDUSTRY CO., LTD. 10 10 3 16 6 45
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA 12 9 2 17 5 45
ANDREAS STIHL AG & CO. 15 12 7 6 3 43
KEIHIN CORPORATION 22 6 5 5 5 43
INTERNATIONAL ENGINE INTELLECTUAL PROPERTY COMPANY, L.L.C. 18 7 5 4 2 36
C.R.F. SOCIETA CONSORTILE PER AZIONI 14 6 4 6 5 35
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 25 9 0 0 0 34
AISIN SEIKI KABUSHIKI KAISHA 9 4 11 4 4 32
MAZDA MOTOR CORPORATION 4 8 4 6 6 28
MANN & HUMMEL GMBH 8 5 3 5 6 27
MITSUBISHI HEAVY INDUSTRIES, LTD. 7 8 7 3 2 27
WALBRO ENGINE MANAGEMENT, L.L.C. 11 6 5 4 1 27
EATON CORPORATION 8 5 5 5 3 26
FEDERAL-MOGUL WORLD WIDE, INC. 6 7 7 5 1 26
YANMAR CO., LTD. 6 4 3 7 6 26
CUMMINS INC. 8 3 5 6 3 25
GENERAL ELECTRIC COMPANY 5 8 2 5 5 25
MAGNETI MARELLI POWERTRAIN S.P.A. 3 7 2 9 4 25
CONTINENTAL AUTOMOTIVE SYSTEMS US, INC. 0 8 7 6 3 24
BRUNSWICK CORPORATION 7 7 3 2 4 23
JACOBS VEHICLE SYSTEMS, INC. 4 2 6 6 5 23
DEERE + COMPANY 4 3 9 4 2 22
INA-SCHAEFFLER KG 14 5 3 0 0 22
PEUGEOT CITROEN AUTOMOBILES S.A. 7 2 5 6 2 22
SCHAEFFLER TECHNOLOGIES GMBH & CO., KG 0 0 0 3 19 22
HONEYWELL INTERNATIONAL INC. 7 5 3 3 3 21
MOTOREN-UND TURBINEN-UNION FRIEDRICHSHAFEN GMBH 9 3 7 2 0 21
BAYERISCHE MOTOREN WERKE AG 4 7 1 6 2 20
PORSCHE AG 4 7 3 1 5 20
YAMAHA MARINE KABUSHIKI KAISHA 10 9 1 0 0 20
BORGWARNER INC. 8 4 2 2 3 19
ZAJAC OPTIMUM OUTPUT MOTORS, INC. 1 9 4 4 1 19
FORD GLOBAL TECHNOLOGIES, INC. 1 0 1 8 8 18
SCUDERI GROUP LLC 0 1 7 3 7 18
AVL LIST GMBH 3 7 2 3 2 17
BRIGGS + STRATTON CORPORATION 6 5 4 2 0 17
INSTITUT FRANCAIS DU PETROLE 3 2 4 4 4 17
VISTEON GLOBAL TECHNOLOGIES, INC. 10 2 3 2 0 17
BEHR GMBH & CO. KG 2 1 5 2 6 16
VOLVO LASTVAGNAR AB 4 2 5 2 3 16
MECHADYNE PLC 5 2 0 3 5 15
SCANIA CV AKTIEBOLAG 4 1 2 2 6 15
SUZUKI MOTOR CORPORATION 4 3 3 2 2 14
WESTPORT POWER INC. 9 3 1 0 1 14
HITACHI KOKI COMPANY, LIMITED 8 3 2 0 0 13
HYDRAULIK-RING GMBH 4 2 4 2 1 13
KOKUSAN DENKI CO., LTD 3 3 4 0 3 13
KUBOTA CORPORATION 4 4 3 1 1 13
OTICS CORPORATION 0 1 1 5 6 13
HUSQVARNA AB 0 4 5 2 1 12
MIKUNI CORPORATION 5 2 1 1 3 12
PERKINS ENGINES COMPANY LIMITED 0 1 3 6 2 12
VOLKSWAGEN AKTIENGESELLSCHAFT 6 1 1 2 2 12
ACHATES POWER, LLC 2 2 3 2 2 11
FUJI JUKOGYO KABUSHIKI KAISHA 4 2 3 1 1 11
HARLEY-DAVIDSON MOTOR CO., INC. 4 5 2 0 0 11
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 3 2 0 4 2 11
NGK SPARK PLUG CO., LTD. 2 1 2 2 4 11
RENAULT S.A.S. 0 1 2 4 4 11
SIEMENS VDO AUTOMOTIVE CORPORATION 9 1 0 1 0 11
STARTING INDUSTRIAL CO., LTD 3 2 1 5 0 11
WOODWARD GOVERNOR COMPANY 1 0 3 6 1 11
AUDI AG 0 1 2 6 1 10
BRP-ROTAX GMBH & CO. KG 3 6 1 0 0 10
DENSO INTERNATIONAL AMERICA, INC. 3 2 3 0 2 10
DOLMAR GMBH 2 1 5 2 0 10
INERGY AUTOMOTIVE SYSTEMS RESEARCH (SOCIETE ANONYME) 1 4 2 1 2 10
ISUZU MOTORS LIMITED 5 1 1 2 1 10
MAHLE GMBH 5 3 1 1 0 10
SIEMENS CANADA LTD. 9 0 1 0 0 10
TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC. 1 2 1 3 3 10
CHRYSLER LLC 1 5 3 0 0 9
CUMMINS FILTRATION IP, INC. 0 0 1 5 3 9
DELPHI TECHNOLOGIES HOLDING S.ARL 0 0 0 5 4 9
HUSQVARNA OUTDOOR PRODUCTS INC. 4 3 1 1 0 9
MILLENNIUM INDUSTRIES CORP. 2 3 2 1 1 9
PIERBURG AG 3 2 1 1 2 9
SOUTHWEST RESEARCH INSTITUTE 4 1 2 2 0 9
THOMAS ENGINE COMPANY, LLC 0 2 2 2 3 9
WARTSILA FINLAND OY 2 1 1 3 2 9
ADVANCED PROPULSION TECHNOLOGIES INC. 2 3 2 1 0 8
CONTINENTAL AUTOMOTIVE CANADA INC. 0 1 3 3 1 8
DETROIT DIESEL CORPORATION 4 1 3 0 0 8
GENERAL MOTORS CORPORATION 7 1 0 0 0 8
ILLINOIS TOOL WORKS INC. 1 1 3 1 2 8
LYCOMING ENGINES, A DIVISION OF AVCO CORPORATION 1 1 0 5 1 8
NIKKI CO., LTD. 5 2 1 0 0 8
S & S CYCLE, INC. 2 1 1 3 1 8
STANT MANUFACTURING COMPANY, INC. 5 1 2 0 0 8
TOYODA GOSEI KABUSHIKI KAISHA 5 1 0 2 0 8
AICHI MACHINE INDUSTRY CO., LTD. 3 0 1 0 3 7
BRP-POWERTRAIN GMBH & CO KG 0 0 2 4 1 7
CONTINENTAL AUTOMOTIVE FRANCE 0 0 2 5 0 7
FEV MOTORENTECHNIK GMBH & CO. KG 2 1 1 2 1 7
HILTI AKTIENGESELLSCHAFT 6 1 0 0 0 7
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI 2 0 2 1 2 7
KOHLER CO. 0 3 2 2 0 7
MAHLE FILTER SYSTEMS JAPAN CORPORATION 1 3 1 0 2 7
MAHLE TECHNOLOGY, INC. 4 2 1 0 0 7
NIPPON SOKEN, INC. 2 3 0 0 2 7
SUZUKI KABUSHIKI KAISHA 1 2 2 1 1 7
TECUMSEH PRODUCTS COMPANY 7 0 0 0 0 7
TI GROUP AUTOMOTIVE SYSTEMS, LLC 1 2 2 1 1 7
TOYOTA BOSHOKU KABUSHIKI KAISHA 1 2 1 0 3 7
AKTIEBOLAGET SKF 1 4 0 1 0 6
CAMERON INTERNATIONAL CORPORATION 2 0 1 1 2 6
CHRYSLER GROUP LLC 0 0 3 3 0 6
CUMMINS INTELLECTUAL PROPERTIES, INC. 0 0 0 3 3 6
FUJITSU TEN LIMITED 0 2 0 2 2 6
GE JENBACHER GMBH & CO OHG 3 0 1 2 0 6
IAV GMBH INGENIEURGESELLSCHAFT AUTO UND VERKEHR 1 4 0 1 0 6
KIORITZ CORPORATION 3 2 1 0 0 6
KOMATSU LTD. 2 1 1 1 1 6
MACK TRUCKS, INC. 1 1 2 0 2 6
RENAULT TRUCKS 0 1 2 1 2 6
SCION SPRAYS LIMITED 0 2 2 1 1 6
STURMAN INDUSTRIES, INC. 2 3 0 1 0 6
TRANSONIC COMBUSTION, INC. 0 0 1 2 3 6
USUI KOKUSAI SANGYO KABUSHIKI KAISHA 4 1 0 1 0 6
YAMAHA MOTOR POWER PRODUCTS KABUSHIKI KAISHA 0 0 2 3 1 6
BISHOP INNOVATION PTY. LIMITED 0 2 2 1 0 5
CARGINE ENGINEERING AB 1 1 1 0 2 5
ELECTRO-MOTIVE DIESEL, INC. 1 2 0 1 1 5
ETHANOL BOOSTING SYSTEMS, LLC 0 0 1 4 0 5
FEDERAL-MOGUL CORP. 0 0 0 2 3 5
FORD MOTOR COMPANY 4 1 0 0 0 5
HUSQVARNA ZENOAH CO., LTD. 0 1 1 2 1 5
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 0 1 3 1 0 5
INTERNATIONAL TRUCK INTELLECTUAL PROPERTY COMPANY L.L.C. 2 1 2 0 0 5
JP SCOPE LLC 1 3 0 0 1 5
JTEKT CORPORATION 0 2 0 2 1 5
MACLEAN FOGG COMPANY 5 0 0 0 0 5
MITSUBISHI FUSO TRUCK AND BUS CORPORATION 3 2 0 0 0 5
MIYAMA, INC. 0 4 0 1 0 5
PHILIP MORRIS USA INC. 2 2 1 0 0 5
THYSSENKRUPP PRESTA TECCENTER AG 0 1 2 0 2 5


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