~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 |