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

Patenting In Technology Classes,
Breakout By Organization

Count of 2005 - 2009 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 2005 2006 2007 2008 2009 Total
~INDIVIDUALLY OWNED PATENT 138 155 133 128 98 652
TOYOTA JIDOSHA K.K. 60 124 107 112 60 463
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 87 108 71 110 76 452
FORD GLOBAL TECHNOLOGIES, L.L.C. 67 71 93 88 57 376
DENSO CORPORATION 57 75 91 82 69 374
ROBERT BOSCH GMBH 120 77 61 58 35 351
HITACHI, LTD 46 65 51 35 37 234
NISSAN MOTOR COMPANY, LIMITED 54 66 46 34 22 222
CATERPILLAR INC. 35 37 41 41 28 182
DELPHI TECHNOLOGIES, INC. 33 34 39 41 29 176
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 0 9 45 49 56 159
SIEMENS AKTIENGESELLSCHAFT 14 31 27 30 14 116
GENERAL MOTORS CORPORATION 58 49 7 1 0 115
MITSUBISHI DENKI KABUSHIKI KAISHA 41 28 24 8 11 112
YAMAHA HATSUDOKI KABUSHIKI KAISHA, YAMAHA MOTOR CO., LTD. 15 23 26 23 22 109
HYUNDAI MOTOR COMPANY 27 27 13 14 10 91
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 17 34 25 9 0 85
ANDREAS STIHL AG & CO. 30 14 15 12 7 78
INTERNATIONAL ENGINE INTELLECTUAL PROPERTY COMPANY, L.L.C. 20 19 18 7 5 69
SCHAEFFLER KG 0 1 23 25 17 66
KAWASAKI JUKOGYO KABUSHIKI KAISHA 11 12 14 15 11 63
INA-SCHAEFFLER KG 14 25 14 5 3 61
KEIHIN CORPORATION 6 15 22 6 5 54
VISTEON GLOBAL TECHNOLOGIES, INC. 20 17 10 2 3 52
BORGWARNER INC. 21 14 8 4 2 49
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA 12 11 12 9 2 46
YAMAHA MARINE KABUSHIKI KAISHA 17 9 10 9 1 46
AISAN INDUSTRY CO., LTD. 11 10 10 10 3 44
C.R.F. SOCIETA CONSORTILE PER AZIONI 4 15 14 6 4 43
SIEMENS VDO AUTOMOTIVE, INC. 22 18 3 0 0 43
AISIN SEIKI KABUSHIKI KAISHA 8 5 9 4 11 37
DAIMLER AG 0 0 0 22 15 37
BRUNSWICK CORPORATION 8 10 7 7 3 35
CUMMINS INC. 13 6 8 3 5 35
MAZDA MOTOR CORPORATION 12 7 4 8 4 35
WALBRO ENGINE MANAGEMENT, L.L.C. 6 6 11 6 5 34
EATON CORPORATION 8 7 8 5 5 33
PEUGEOT CITROEN AUTOMOBILES S.A. 6 13 7 2 5 33
DAIMLERCHRYSLER CORPORATION 11 17 4 0 0 32
MOTOREN-UND TURBINEN-UNION FRIEDRICHSHAFEN GMBH 3 8 9 3 7 30
BRIGGS + STRATTON CORPORATION 6 8 6 5 4 29
MAHLE INTERNATIONAL GMBH 0 0 2 12 15 29
GENERAL ELECTRIC COMPANY 6 7 5 8 2 28
SUZUKI MOTOR CORPORATION 9 9 4 3 3 28
SIEMENS VDO AUTOMOTIVE CORPORATION 12 5 9 1 0 27
DEERE + COMPANY 4 6 4 3 9 26
FEDERAL-MOGUL WORLD WIDE, INC. 3 3 6 7 7 26
PORSCHE AG 8 4 4 7 3 26
MITSUBISHI HEAVY INDUSTRIES, LTD. 1 2 7 8 7 25
BAYERISCHE MOTOREN WERKE AG 8 4 4 7 1 24
MANN & HUMMEL GMBH 2 6 8 5 3 24
MAGNETI MARELLI POWERTRAIN S.P.A. 2 9 3 7 2 23
VOLVO LASTVAGNAR AB 3 9 4 2 5 23
YANMAR CO., LTD. 3 7 6 4 3 23
AVL LIST GMBH 9 1 3 7 2 22
ISUZU MOTORS LIMITED 10 5 5 1 1 22
HITACHI KOKI COMPANY, LIMITED 1 7 8 3 2 21
MAHLE GMBH 7 5 5 3 1 21
HONEYWELL INTERNATIONAL INC. 3 2 7 5 3 20
HYDRAULIK-RING GMBH 5 5 4 2 4 20
KUBOTA CORPORATION 6 2 4 4 3 19
MIKUNI CORPORATION 4 7 5 2 1 19
TECUMSEH PRODUCTS COMPANY 9 3 7 0 0 19
DETROIT DIESEL CORPORATION 4 5 4 1 3 17
FUJI JUKOGYO KABUSHIKI KAISHA 3 5 4 2 3 17
MITSUBISHI FUSO TRUCK AND BUS CORPORATION 5 7 3 2 0 17
VOLKSWAGEN AKTIENGESELLSCHAFT 8 1 6 1 1 17
BRP-ROTAX GMBH & CO. KG 2 4 3 6 1 16
JACOBS VEHICLE SYSTEMS, INC. 3 1 4 2 6 16
KIORITZ CORPORATION 6 4 3 2 1 16
CONTINENTAL AUTOMOTIVE SYSTEMS US, INC. 0 0 0 8 7 15
HARLEY-DAVIDSON MOTOR CO., INC. 1 3 4 5 2 15
KOHLER CO. 6 4 0 3 2 15
STARTING INDUSTRIAL CO., LTD 4 5 3 2 1 15
HILTI AKTIENGESELLSCHAFT 1 6 6 1 0 14
KOKUSAN DENKI CO., LTD 1 3 3 3 4 14
ZAJAC OPTIMUM OUTPUT MOTORS, INC. 0 0 1 9 4 14
MILLENNIUM INDUSTRIES CORP. 1 6 2 2 2 13
PERKINS ENGINES COMPANY LIMITED 5 4 0 1 3 13
TOYODA GOSEI KABUSHIKI KAISHA 1 6 5 1 0 13
WESTPORT POWER INC. 0 0 9 3 1 13
DENSO INTERNATIONAL AMERICA, INC. 3 1 3 2 3 12
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI 2 6 2 0 2 12
MACLEAN FOGG COMPANY 1 6 5 0 0 12
MECHADYNE PLC 2 3 5 2 0 12
SCANIA CV AKTIEBOLAG 2 3 4 1 2 12
SOUTHWEST RESEARCH INSTITUTE 2 3 4 1 2 12
SUZUKI KABUSHIKI KAISHA 1 6 1 2 2 12
BEHR GMBH & CO. KG 0 3 2 1 5 11
DOLMAR GMBH 2 1 2 1 5 11
ELECTRO-MOTIVE DIESEL, INC. 3 5 1 2 0 11
FEV MOTORENTECHNIK GMBH & CO. KG 1 6 2 1 1 11
INSTITUT FRANCAIS DU PETROLE 0 2 3 2 4 11
NTN CORPORATION 3 4 1 0 3 11
BOSCH AUTOMOTIVE MOTOR SYSTEMS CORPORATION 5 2 2 1 0 10
HUSQVARNA OUTDOOR PRODUCTS INC. 0 2 4 3 1 10
ILLINOIS TOOL WORKS INC. 2 3 1 1 3 10
SIEMENS CANADA LTD. 0 0 9 0 1 10
BOMBARDIER RECREATIONAL PRODUCTS INC. 7 0 0 1 1 9
CHRYSLER LLC 0 0 1 5 3 9
FORD MOTOR COMPANY 0 4 4 1 0 9
HUSQVARNA AB 0 0 0 4 5 9
KOMATSU LTD. 2 3 2 1 1 9
MAHLE TECHNOLOGY, INC. 1 1 4 2 1 9
MAHLE VENTILRIEB GMBH 2 4 2 0 1 9
NIPPON SOKEN, INC. 1 3 2 3 0 9
PIERBURG AG 0 3 3 2 1 9
STANT MANUFACTURING COMPANY, INC. 0 1 5 1 2 9
TI GROUP AUTOMOTIVE SYSTEMS, LLC 2 2 1 2 2 9
USUI KOKUSAI SANGYO KAISHA, LTD. 6 0 2 1 0 9
AKTIEBOLAGET ELECTROLUX 2 6 0 0 0 8
ARCTIC CAT INC. 3 1 3 0 1 8
HITACHI UNISIA AUTOMOTIVE, LTD. 8 0 0 0 0 8
IAV GMBH INGENIEURGESELLSCHAFT AUTO UND VERKEHR 2 1 1 4 0 8
MACK TRUCKS, INC. 2 2 1 1 2 8
MARK IV SYSTEMES MOTEURS (SOCIETE ANONYME) 1 4 2 1 0 8
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 1 2 3 2 0 8
NGK SPARK PLUG CO., LTD. 2 1 2 1 2 8
NIKKI CO., LTD. 0 0 5 2 1 8
PHILIP MORRIS USA INC. 0 3 2 2 1 8
SCUDERI GROUP LLC 0 0 0 1 7 8
WOODWARD GOVERNOR COMPANY 2 2 1 0 3 8
ACHATES POWER, LLC 0 0 2 2 3 7
ADVANCED PROPULSION TECHNOLOGIES INC. 0 0 2 3 2 7
BRP US INC. 0 5 2 0 0 7
DANA CORPORATION 2 2 2 1 0 7
GE JENBACHER GMBH & CO OHG 0 3 3 0 1 7
INERGY AUTOMOTIVE SYSTEMS RESEARCH (SOCIETE ANONYME) 0 0 1 4 2 7
INTERNATIONAL TRUCK INTELLECTUAL PROPERTY COMPANY L.L.C. 1 1 2 1 2 7
MAHLE FILTER SYSTEMS JAPAN CORPORATION 0 2 1 3 1 7
MARIOFF CORPORATION OY 0 3 3 1 0 7
THYSSEN KRUPP AUTOMOTIVE AG 3 1 3 0 0 7
WARTSILA FINLAND OY 2 1 2 1 1 7
ACCESSIBLE TECHNOLOGIES, INC. 0 3 2 0 1 6
AICHI MACHINE INDUSTRY CO., LTD. 0 2 3 0 1 6
ATLAS FAHRZEUGTECHNIK GMBH 0 3 1 1 1 6
AUDI AG 2 1 0 1 2 6
POLARIS INDUSTRIES, INC. 0 3 0 1 2 6
R. SANDERSON MANAGEMENT, INC. 2 2 0 2 0 6
S & S CYCLE, INC. 2 0 2 1 1 6
STMICROELECTRONICS S.R.L. 0 3 3 0 0 6
STURMAN INDUSTRIES, INC. 0 1 2 3 0 6
THOMAS ENGINE COMPANY, LLC 1 1 0 2 2 6
USUI KOKUSAI SANGYO KABUSHIKI KAISHA 1 0 4 1 0 6
ZAMA JAPAN 2 2 2 0 0 6
AKTIEBOLAGET SKF 0 0 1 4 0 5
BISHOP INNOVATION PTY. LIMITED 0 1 0 2 2 5
BONTAZ CENTRE, SOCIETE ANONYME 1 1 0 2 1 5
CARGINE ENGINEERING AB 0 2 1 1 1 5
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY 3 2 0 0 0 5
FLEETGUARD, INC. 1 2 0 2 0 5
FREUDENBERG-NOK GENERAL PARTNERSHIP 2 0 1 1 1 5
GATES CORPORATION 0 3 0 0 2 5
KOLD BAN INTERNATIONAL, LTD. 1 3 1 0 0 5
KWANG YANG MOTOR CO., LTD. 1 2 2 0 0 5
MAN NUTZFAHRZEUGE AG 0 2 0 1 2 5
NIIGATA POWER SYSTEMS CO., LTD. 0 5 0 0 0 5
ORBITAL ENGINE COMPANY (AUSTRALIA) PTY. LTD. 3 1 1 0 0 5
STANADYNE CORPORATION 5 0 0 0 0 5
UNITED STATES OF AMERICA, ENVIRONMENTAL PROTECTION AGENCY 1 2 1 1 0 5
VAPOR FUEL TECHNOLOGIES, INC. 2 1 0 1 1 5


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