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

Patenting In Technology Classes,
Breakout By Organization

Count of 2004 - 2008 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 2004 2005 2006 2007 2008 Total
~INDIVIDUALLY OWNED PATENT 132 138 155 133 128 686
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 107 87 108 71 110 483
TOYOTA JIDOSHA K.K. 69 60 124 107 112 472
ROBERT BOSCH GMBH 142 120 77 61 58 458
FORD GLOBAL TECHNOLOGIES, L.L.C. 69 67 71 93 88 388
DENSO CORPORATION 60 57 75 91 82 365
NISSAN MOTOR COMPANY, LIMITED 53 54 66 46 34 253
HITACHI, LTD 29 46 65 51 35 226
CATERPILLAR INC. 54 35 37 41 41 208
DELPHI TECHNOLOGIES, INC. 60 33 34 39 41 207
GENERAL MOTORS CORPORATION 50 58 49 7 1 165
MITSUBISHI DENKI KABUSHIKI KAISHA 54 41 28 24 8 155
SIEMENS AKTIENGESELLSCHAFT 17 14 31 27 30 119
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 23 17 34 25 9 108
HYUNDAI MOTOR COMPANY 24 27 27 13 14 105
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 0 0 9 45 49 103
YAMAHA HATSUDOKI KABUSHIKI KAISHA, YAMAHA MOTOR CO., LTD. 9 15 23 26 23 96
INTERNATIONAL ENGINE INTELLECTUAL PROPERTY COMPANY, L.L.C. 22 20 19 18 7 86
ANDREAS STIHL AG & CO. 12 30 14 15 12 83
VISTEON GLOBAL TECHNOLOGIES, INC. 31 20 17 10 2 80
INA-SCHAEFFLER KG 13 14 25 14 5 71
YAMAHA MARINE KABUSHIKI KAISHA 25 17 9 10 9 70
BORGWARNER INC. 20 21 14 8 4 67
KAWASAKI JUKOGYO KABUSHIKI KAISHA 4 11 12 14 15 56
C.R.F. SOCIETA CONSORTILE PER AZIONI 13 4 15 14 6 52
KEIHIN CORPORATION 3 6 15 22 6 52
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA 8 12 11 12 9 52
SIEMENS VDO AUTOMOTIVE, INC. 9 22 18 3 0 52
AISAN INDUSTRY CO., LTD. 10 11 10 10 10 51
DAIMLERCHRYSLER CORPORATION 17 11 17 4 0 49
SCHAEFFLER KG 0 0 1 23 25 49
BRUNSWICK CORPORATION 8 8 10 7 7 40
CUMMINS INC. 10 13 6 8 3 40
MAZDA MOTOR CORPORATION 6 12 7 4 8 37
SIEMENS VDO AUTOMOTIVE CORPORATION 8 12 5 9 1 35
EATON CORPORATION 6 8 7 8 5 34
PORSCHE AG 11 8 4 4 7 34
AISIN SEIKI KABUSHIKI KAISHA 7 8 5 9 4 33
AVL LIST GMBH 13 9 1 3 7 33
MOTOREN-UND TURBINEN-UNION FRIEDRICHSHAFEN GMBH 10 3 8 9 3 33
BRIGGS + STRATTON CORPORATION 5 6 8 6 5 30
ISUZU MOTORS LIMITED 8 10 5 5 1 29
PEUGEOT CITROEN AUTOMOBILES S.A. 1 6 13 7 2 29
SUZUKI MOTOR CORPORATION 4 9 9 4 3 29
WALBRO ENGINE MANAGEMENT, L.L.C. 0 6 6 11 6 29
GENERAL ELECTRIC COMPANY 1 6 7 5 8 27
BAYERISCHE MOTOREN WERKE AG 2 8 4 4 7 25
KIORITZ CORPORATION 10 6 4 3 2 25
MAHLE GMBH 5 7 5 5 3 25
TECUMSEH PRODUCTS COMPANY 6 9 3 7 0 25
MAGNETI MARELLI POWERTRAIN S.P.A. 3 2 9 3 7 24
MANN & HUMMEL GMBH 2 2 6 8 5 23
VOLVO LASTVAGNAR AB 5 3 9 4 2 23
DAIMLER AG 0 0 0 0 22 22
FEDERAL-MOGUL WORLD WIDE, INC. 3 3 3 6 7 22
FUJI JUKOGYO KABUSHIKI KAISHA 8 3 5 4 2 22
MITSUBISHI FUSO TRUCK AND BUS CORPORATION 4 5 7 3 2 21
STARTING INDUSTRIAL CO., LTD 7 4 5 3 2 21
DETROIT DIESEL CORPORATION 6 4 5 4 1 20
HITACHI UNISIA AUTOMOTIVE, LTD. 12 8 0 0 0 20
HYDRAULIK-RING GMBH 4 5 5 4 2 20
MIKUNI CORPORATION 2 4 7 5 2 20
YANMAR CO., LTD. 0 3 7 6 4 20
HITACHI KOKI COMPANY, LIMITED 0 1 7 8 3 19
HONEYWELL INTERNATIONAL INC. 2 3 2 7 5 19
MITSUBISHI HEAVY INDUSTRIES, LTD. 1 1 2 7 8 19
DEERE + COMPANY 1 4 6 4 3 18
KOHLER CO. 5 6 4 0 3 18
VOLKSWAGEN AKTIENGESELLSCHAFT 2 8 1 6 1 18
KUBOTA CORPORATION 1 6 2 4 4 17
BRP-ROTAX GMBH & CO. KG 1 2 4 3 6 16
UNISIA JECS CORPORATION 13 3 0 0 0 16
HARLEY-DAVIDSON MOTOR CO., INC. 2 1 3 4 5 15
HILTI AKTIENGESELLSCHAFT 1 1 6 6 1 15
FILTERWERK MANN + HUMMEL GMBH 11 2 1 0 0 14
KOKUSAN DENKI CO., LTD 4 1 3 3 3 14
MAHLE INTERNATIONAL GMBH 0 0 0 2 12 14
MECHADYNE PLC 2 2 3 5 2 14
NIPPON SOKEN, INC. 5 1 3 2 3 14
SOUTHWEST RESEARCH INSTITUTE 4 2 3 4 1 14
SUZUKI KABUSHIKI KAISHA 4 1 6 1 2 14
BOMBARDIER RECREATIONAL PRODUCTS INC. 5 7 0 0 1 13
BOSCH AUTOMOTIVE MOTOR SYSTEMS CORPORATION 3 5 2 2 1 13
DANA CORPORATION 6 2 2 2 1 13
FEV MOTORENTECHNIK GMBH & CO. KG 3 1 6 2 1 13
INSTITUT FRANCAIS DU PETROLE 6 0 2 3 2 13
MILLENNIUM INDUSTRIES CORP. 2 1 6 2 2 13
TOYODA GOSEI KABUSHIKI KAISHA 0 1 6 5 1 13
MACLEAN FOGG COMPANY 0 1 6 5 0 12
PERKINS ENGINES COMPANY LIMITED 2 5 4 0 1 12
SCANIA CV AKTIEBOLAG 2 2 3 4 1 12
SIEMENS CANADA LTD. 3 0 0 9 0 12
WESTPORT POWER INC. 0 0 0 9 3 12
ELECTRO-MOTIVE DIESEL, INC. 0 3 5 1 2 11
JACOBS VEHICLE SYSTEMS, INC. 1 3 1 4 2 11
NTN CORPORATION 3 3 4 1 0 11
PIERBURG AG 3 0 3 3 2 11
AKTIEBOLAGET ELECTROLUX 2 2 6 0 0 10
DENSO INTERNATIONAL AMERICA, INC. 1 3 1 3 2 10
FORD MOTOR COMPANY 1 0 4 4 1 10
ILLINOIS TOOL WORKS INC. 3 2 3 1 1 10
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI 0 2 6 2 0 10
KOMATSU LTD. 2 2 3 2 1 10
MAHLE VENTILRIEB GMBH 2 2 4 2 0 10
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 2 1 2 3 2 10
ORBITAL ENGINE COMPANY (AUSTRALIA) PTY. LTD. 5 3 1 1 0 10
USUI KOKUSAI SANGYO KAISHA, LTD. 1 6 0 2 1 10
ZAJAC OPTIMUM OUTPUT MOTORS, INC. 0 0 0 1 9 10
HUSQVARNA OUTDOOR PRODUCTS INC. 0 0 2 4 3 9
IAV GMBH INGENIEURGESELLSCHAFT AUTO UND VERKEHR 1 2 1 1 4 9
WOODWARD GOVERNOR COMPANY 4 2 2 1 0 9
CONTINENTAL AUTOMOTIVE SYSTEMS US, INC. 0 0 0 0 8 8
DOLMAR GMBH 2 2 1 2 1 8
INTERNATIONAL TRUCK INTELLECTUAL PROPERTY COMPANY L.L.C. 3 1 1 2 1 8
MAHLE TECHNOLOGY, INC. 0 1 1 4 2 8
MARK IV SYSTEMES MOTEURS (SOCIETE ANONYME) 0 1 4 2 1 8
STANT MANUFACTURING COMPANY, INC. 1 0 1 5 1 8
TI GROUP AUTOMOTIVE SYSTEMS, LLC 1 2 2 1 2 8
USUI KOKUSAI SANGYO KABUSHIKI KAISHA 2 1 0 4 1 8
ARCTIC CAT INC. 0 3 1 3 0 7
AUDI AG 3 2 1 0 1 7
BRP US INC. 0 0 5 2 0 7
GE JENBACHER GMBH & CO OHG 1 0 3 3 0 7
KABUSHIKI KAISHA MORIC 4 2 1 0 0 7
MACK TRUCKS, INC. 1 2 2 1 1 7
MARIOFF CORPORATION OY 0 0 3 3 1 7
NGK SPARK PLUG CO., LTD. 1 2 1 2 1 7
NIKKI CO., LTD. 0 0 0 5 2 7
PHILIP MORRIS USA INC. 0 0 3 2 2 7
STANADYNE CORPORATION 2 5 0 0 0 7
STMICROELECTRONICS S.R.L. 1 0 3 3 0 7
STURMAN INDUSTRIES, INC. 1 0 1 2 3 7
THYSSEN KRUPP AUTOMOTIVE AG 0 3 1 3 0 7
UNITED STATES OF AMERICA, ENVIRONMENTAL PROTECTION AGENCY 2 1 2 1 1 7
ZAMA JAPAN 1 2 2 2 0 7
ACCESSIBLE TECHNOLOGIES, INC. 1 0 3 2 0 6
BEHR GMBH & CO. KG 0 0 3 2 1 6
CHRYSLER LLC 0 0 0 1 5 6
DIESEL ENGINE RETARDERS, INC. 4 2 0 0 0 6
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY 1 3 2 0 0 6
FLEETGUARD, INC. 1 1 2 0 2 6
HAYES LEMMERZ INTERNATIONAL, INC. 2 2 0 0 2 6
MAHLE FILTER SYSTEMS JAPAN CORPORATION 0 0 2 1 3 6
META MOTOREN-UND ENERGIE-TECHNIK GMBH 3 2 1 0 0 6
NIIGATA POWER SYSTEMS CO., LTD. 1 0 5 0 0 6
R. SANDERSON MANAGEMENT, INC. 0 2 2 0 2 6
ROBERT BOSCH CORPORATION 2 1 2 0 1 6
S & S CYCLE, INC. 1 2 0 2 1 6
THOMAS ENGINE COMPANY, LLC 2 1 1 0 2 6
WARTSILA FINLAND OY 0 2 1 2 1 6
ADVANCED PROPULSION TECHNOLOGIES INC. 0 0 0 2 3 5
AICHI MACHINE INDUSTRY CO., LTD. 0 0 2 3 0 5
AKTIEBOLAGET SKF 0 0 0 1 4 5
ATLAS FAHRZEUGTECHNIK GMBH 0 0 3 1 1 5
BERU AG 3 0 0 1 1 5
BONTAZ CENTRE, SOCIETE ANONYME 1 1 1 0 2 5
CARGINE ENGINEERING AB 1 0 2 1 1 5
CHRYSALIS TECHNOLOGIES, INCORPORATED 2 3 0 0 0 5
CSXT INTELLECTUAL PROPERTIES CORPORATION 2 3 0 0 0 5
FORD GLOBAL TECHNOLOGIES, INC. 2 2 0 1 0 5
FREUDENBERG-NOK GENERAL PARTNERSHIP 1 2 0 1 1 5
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 4 1 0 0 0 5
INERGY AUTOMOTIVE SYSTEMS RESEARCH (SOCIETE ANONYME) 0 0 0 1 4 5
JENBACHER AKTIENGESELLSCHAFT 3 1 1 0 0 5
KOLD BAN INTERNATIONAL, LTD. 0 1 3 1 0 5
KOMATSU ZENOAH CO. 1 0 3 1 0 5
KWANG YANG MOTOR CO., LTD. 0 1 2 2 0 5
LOTUS CARS LIMITED 1 0 1 2 1 5
MAHLE FILTERSYSTEME GMBH 1 2 1 1 0 5
NSK LIMITED 1 3 1 0 0 5
POLARIS INDUSTRIES, INC. 1 0 3 0 1 5
SAAB AUTOMOBILE AKTIEBOLAG 3 0 0 2 0 5
WESTPORT RESEARCH INC. 1 0 4 0 0 5


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Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports