~Individually Owned Patent |
195 |
148 |
156 |
132 |
138 |
769 |
ROBERT BOSCH GMBH |
89 |
121 |
128 |
142 |
120 |
600 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) |
103 |
100 |
101 |
107 |
87 |
498 |
TOYOTA JIDOSHA K.K. |
71 |
58 |
62 |
69 |
60 |
320 |
DELPHI TECHNOLOGIES, INC. |
39 |
80 |
63 |
60 |
33 |
275 |
CATERPILLAR INC. |
52 |
67 |
59 |
54 |
35 |
267 |
NISSAN MOTOR COMPANY, LIMITED |
48 |
44 |
64 |
53 |
54 |
263 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
55 |
39 |
48 |
54 |
42 |
238 |
DENSO CORPORATION |
28 |
39 |
53 |
60 |
57 |
237 |
HITACHI, LTD |
30 |
40 |
56 |
29 |
46 |
201 |
FORD GLOBAL TECHNOLOGIES, INC. |
82 |
80 |
30 |
2 |
2 |
196 |
FORD GLOBAL TECHNOLOGIES, L.L.C. |
0 |
0 |
44 |
69 |
67 |
180 |
GENERAL MOTORS CORPORATION |
16 |
12 |
40 |
50 |
58 |
176 |
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT |
45 |
32 |
35 |
23 |
17 |
152 |
VISTEON GLOBAL TECHNOLOGIES, INC. |
17 |
23 |
29 |
31 |
20 |
120 |
SANSHIN KOGYO KABUSHIKI KAISHA |
34 |
40 |
18 |
2 |
0 |
94 |
UNISIA JECS CORPORATION |
27 |
31 |
20 |
13 |
3 |
94 |
YAMAHA HATSUDOKI KABUSHIKI KAISHA, YAMAHA MOTOR CO., LTD. |
27 |
19 |
14 |
9 |
15 |
84 |
HYUNDAI MOTOR CO., LTD. |
6 |
10 |
16 |
24 |
27 |
83 |
ANDREAS STIHL AG & CO. |
10 |
10 |
20 |
12 |
30 |
82 |
BORGWARNER INC. |
11 |
16 |
12 |
20 |
21 |
80 |
SIEMENS AKTIENGESELLSCHAFT |
19 |
19 |
9 |
17 |
14 |
78 |
INTERNATIONAL ENGINE INTELLECTUAL PROPERTY COMPANY, L.L.C. |
0 |
13 |
13 |
22 |
20 |
68 |
DAIMLERCHRYSLER CORPORATION |
24 |
10 |
5 |
17 |
11 |
67 |
ISUZU MOTORS LIMITED |
20 |
11 |
10 |
8 |
10 |
59 |
FILTERWERK MANN + HUMMEL GMBH |
8 |
22 |
13 |
11 |
2 |
56 |
INA WALZLAGER SCHAEFFLER OHG |
25 |
23 |
5 |
1 |
2 |
56 |
YAMAHA MARINE KABUSHIKI KAISHA |
0 |
0 |
14 |
25 |
17 |
56 |
SIEMENS CANADA LTD. |
24 |
19 |
8 |
3 |
0 |
54 |
SIEMENS VDO AUTOMOTIVE, INC. |
0 |
10 |
13 |
9 |
22 |
54 |
AVL LIST GMBH |
9 |
2 |
19 |
13 |
9 |
52 |
SUZUKI MOTOR CORPORATION |
17 |
10 |
11 |
4 |
9 |
51 |
DETROIT DIESEL CORPORATION |
12 |
19 |
9 |
6 |
4 |
50 |
PORSCHE AG |
6 |
13 |
9 |
11 |
8 |
47 |
INA-SCHAEFFLER KG |
0 |
1 |
16 |
13 |
14 |
44 |
CUMMINS INC. |
0 |
9 |
11 |
10 |
13 |
43 |
MAZDA MOTOR CORPORATION |
9 |
8 |
8 |
6 |
12 |
43 |
KIORITZ CORPORATION |
6 |
8 |
11 |
10 |
6 |
41 |
BRUNSWICK CORPORATION |
9 |
8 |
6 |
8 |
8 |
39 |
C.R.F. SOCIETA CONSORTILE PER AZIONI |
5 |
4 |
13 |
13 |
4 |
39 |
SIEMENS AUTOMOTIVE CORPORATION |
13 |
17 |
6 |
3 |
0 |
39 |
EATON CORPORATION |
12 |
3 |
8 |
6 |
8 |
37 |
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA |
5 |
8 |
4 |
8 |
12 |
37 |
BAYERISCHE MOTOREN WERKE AG |
10 |
11 |
5 |
2 |
8 |
36 |
BOMBARDIER MOTOR CORPORATION OF AMERICA |
7 |
17 |
9 |
3 |
0 |
36 |
AISIN SEIKI KABUSHIKI KAISHA |
7 |
9 |
4 |
7 |
8 |
35 |
AISAN INDUSTRY CO., LTD. |
1 |
9 |
3 |
10 |
11 |
34 |
GENERAL ELECTRIC COMPANY |
16 |
5 |
6 |
1 |
6 |
34 |
KAWASAKI JUKOGYO KABUSHIKI KAISHA |
0 |
8 |
11 |
4 |
11 |
34 |
FEV MOTORENTECHNIK GMBH & CO. KG |
9 |
14 |
5 |
3 |
1 |
32 |
FUJI JUKOGYO KABUSHIKI KAISHA |
4 |
7 |
9 |
8 |
3 |
31 |
TECUMSEH PRODUCTS COMPANY |
6 |
5 |
5 |
6 |
9 |
31 |
BRIGGS + STRATTON CORPORATION |
8 |
5 |
6 |
5 |
6 |
30 |
CUMMINS ENGINE CO., INC. |
18 |
7 |
4 |
1 |
0 |
30 |
DANA CORPORATION |
11 |
5 |
6 |
6 |
2 |
30 |
SIEMENS VDO AUTOMOTIVE CORPORATION |
0 |
1 |
9 |
8 |
12 |
30 |
DIESEL ENGINE RETARDERS, INC. |
10 |
8 |
4 |
4 |
2 |
28 |
KEIHIN CORPORATION |
3 |
6 |
7 |
3 |
6 |
25 |
VOLKSWAGEN AKTIENGESELLSCHAFT |
2 |
7 |
6 |
2 |
8 |
25 |
FEDERAL-MOGUL WORLD WIDE, INC. |
2 |
9 |
7 |
3 |
3 |
24 |
SUZUKI KABUSHIKI KAISHA |
4 |
11 |
2 |
4 |
1 |
22 |
VOLVO LASTVAGNAR AB |
9 |
2 |
3 |
5 |
3 |
22 |
HITACHI UNISIA AUTOMOTIVE, LTD. |
0 |
0 |
1 |
12 |
8 |
21 |
ORBITAL ENGINE COMPANY (AUSTRALIA) PTY. LTD. |
3 |
6 |
4 |
5 |
3 |
21 |
DEERE + COMPANY |
6 |
4 |
5 |
1 |
4 |
20 |
KOKUSAN DENKI CO., LTD |
3 |
5 |
7 |
4 |
1 |
20 |
MOTOREN-UND TURBINEN-UNION FRIEDRICHSHAFEN GMBH |
4 |
1 |
2 |
10 |
3 |
20 |
KOHLER CO. |
3 |
3 |
2 |
5 |
6 |
19 |
WALBRO CORPORATION |
7 |
9 |
3 |
0 |
0 |
19 |
MANNESMANN VDO AG |
8 |
8 |
1 |
0 |
0 |
17 |
SOUTHWEST RESEARCH INSTITUTE |
3 |
3 |
5 |
4 |
2 |
17 |
AKTIEBOLAGET ELECTROLUX |
5 |
1 |
6 |
2 |
2 |
16 |
HARLEY-DAVIDSON MOTOR CO., INC. |
2 |
6 |
5 |
2 |
1 |
16 |
MAHLE GMBH |
2 |
0 |
2 |
5 |
7 |
16 |
INSTITUT FRANCAIS DU PETROLE |
2 |
3 |
4 |
6 |
0 |
15 |
MAGNETI MARELLI S.P.A. |
4 |
10 |
1 |
0 |
0 |
15 |
VOLVO CAR CORPORATION AB |
0 |
9 |
6 |
0 |
0 |
15 |
HYDRAULIK-RING GMBH |
4 |
1 |
0 |
4 |
5 |
14 |
KOMATSU LTD. |
4 |
3 |
3 |
2 |
2 |
14 |
NGK SPARK PLUG CO., LTD. |
3 |
1 |
7 |
1 |
2 |
14 |
SIEMENS AUTOMOTIVE INC. |
1 |
7 |
5 |
1 |
0 |
14 |
KUBOTA CORPORATION |
2 |
2 |
2 |
1 |
6 |
13 |
MECHADYNE PLC |
7 |
1 |
1 |
2 |
2 |
13 |
PERKINS ENGINES COMPANY LIMITED |
6 |
0 |
0 |
2 |
5 |
13 |
STANADYNE CORPORATION |
0 |
4 |
2 |
2 |
5 |
13 |
AB VOLVO |
4 |
3 |
3 |
2 |
0 |
12 |
BOMBARDIER RECREATIONAL PRODUCTS INC. |
0 |
0 |
0 |
5 |
7 |
12 |
DOLMAR GMBH |
3 |
2 |
3 |
2 |
2 |
12 |
HONEYWELL INTERNATIONAL INC. |
1 |
3 |
3 |
2 |
3 |
12 |
INTERNATIONAL TRUCK AND ENGINE CORP. |
6 |
6 |
0 |
0 |
0 |
12 |
MIKUNI CORPORATION |
1 |
0 |
5 |
2 |
4 |
12 |
AUDI AG |
2 |
1 |
3 |
3 |
2 |
11 |
NIPPON SOKEN, INC. |
3 |
1 |
1 |
5 |
1 |
11 |
PIERBURG AG |
1 |
3 |
3 |
3 |
1 |
11 |
ROBERT BOSCH CORPORATION |
1 |
5 |
2 |
2 |
1 |
11 |
SCANIA CV AKTIEBOLAG |
4 |
1 |
2 |
2 |
2 |
11 |
STARTING INDUSTRIAL CO., LTD |
0 |
0 |
0 |
7 |
4 |
11 |
USUI KOKUSAI SANGYO KABUSHIKI KAISHA |
3 |
4 |
1 |
2 |
1 |
11 |
CUMMINS ENGINE COMPANY LIMITED |
5 |
1 |
1 |
1 |
2 |
10 |
HILTI AKTIENGESELLSCHAFT |
0 |
5 |
3 |
1 |
1 |
10 |
MACK TRUCKS, INC. |
3 |
4 |
0 |
1 |
2 |
10 |
MAGNETI MARELLI POWERTRAIN S.P.A. |
0 |
1 |
4 |
3 |
2 |
10 |
MAHLE VENTILRIEB GMBH |
2 |
2 |
2 |
2 |
2 |
10 |
META MOTOREN-UND ENERGIE-TECHNIK GMBH |
2 |
1 |
2 |
3 |
2 |
10 |
BOMBARDIER-ROTAX GMBH & CO. KG |
2 |
2 |
3 |
2 |
0 |
9 |
BOSCH AUTOMOTIVE MOTOR SYSTEMS CORPORATION |
0 |
0 |
1 |
3 |
5 |
9 |
HAYES LEMMERZ INTERNATIONAL, INC. |
4 |
1 |
0 |
2 |
2 |
9 |
MITSUBISHI FUSO TRUCK AND BUS CORPORATION |
0 |
0 |
0 |
4 |
5 |
9 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
5 |
2 |
0 |
1 |
1 |
9 |
MTD SOUTHWEST, INC. |
1 |
3 |
2 |
1 |
2 |
9 |
NSK LIMITED |
2 |
1 |
2 |
1 |
3 |
9 |
USUI KOKUSAI SANGYO KAISHA, LTD. |
0 |
2 |
0 |
1 |
6 |
9 |
WESTPORT RESEARCH INC. |
3 |
1 |
4 |
1 |
0 |
9 |
ACCESSIBLE TECHNOLOGIES, INC. |
0 |
3 |
4 |
1 |
0 |
8 |
KABUSHIKI KAISHA MORIC |
0 |
0 |
2 |
4 |
2 |
8 |
LUCAS INDUSTRIES PUBLIC LTD. COMPANY |
7 |
1 |
0 |
0 |
0 |
8 |
MAGNETI MARELLI FRANCE |
1 |
4 |
0 |
3 |
0 |
8 |
NTN CORPORATION |
0 |
1 |
1 |
3 |
3 |
8 |
PEUGEOT CITROEN AUTOMOBILES S.A. |
0 |
0 |
1 |
1 |
6 |
8 |
WALBRO ENGINE MANAGEMENT, L.L.C. |
0 |
0 |
2 |
0 |
6 |
8 |
ARCTIC CAT INC. |
2 |
1 |
1 |
0 |
3 |
7 |
DESIGN AND MANUFACTURING SOLUTIONS, INC. |
4 |
3 |
0 |
0 |
0 |
7 |
JENBACHER AKTIENGESELLSCHAFT |
0 |
2 |
1 |
3 |
1 |
7 |
KOMATSU ZENOAH CO. |
4 |
2 |
0 |
1 |
0 |
7 |
MTD PRODUCTS INC. |
1 |
0 |
2 |
3 |
1 |
7 |
NIPPON THERMOSTAT CO., LTD. |
1 |
3 |
1 |
1 |
1 |
7 |
TCG UNITECH AKTIENGESELLSCHAFT |
6 |
0 |
1 |
0 |
0 |
7 |
UNITED STATES OF AMERICA, ENVIRONMENTAL PROTECTION AGENCY |
2 |
1 |
1 |
2 |
1 |
7 |
VOLVO PERSONVAGNAR AB |
0 |
5 |
1 |
0 |
1 |
7 |
WOODWARD GOVERNOR COMPANY |
1 |
0 |
0 |
4 |
2 |
7 |
FUJI OOZX INC. |
2 |
2 |
2 |
0 |
0 |
6 |
ILLINOIS TOOL WORKS INC. |
0 |
0 |
1 |
3 |
2 |
6 |
KOYO SEIKO COMPANY, LTD. |
1 |
1 |
2 |
0 |
2 |
6 |
MOTORENFABRIK HATZ GMBH + CO. KG |
3 |
1 |
2 |
0 |
0 |
6 |
OUTBOARD MARINE CORPORATION |
5 |
1 |
0 |
0 |
0 |
6 |
PARKER-HANNIFIN CORPORATION |
1 |
1 |
2 |
1 |
1 |
6 |
S & S CYCLE, INC. |
2 |
0 |
1 |
1 |
2 |
6 |
SAGEM S.A. |
3 |
3 |
0 |
0 |
0 |
6 |
WARTSILA NSD OY AB |
2 |
4 |
0 |
0 |
0 |
6 |
ZAMA JAPAN |
0 |
1 |
2 |
1 |
2 |
6 |
AICHI KIKAI KOGYO KABUSHIKI KAISHA |
4 |
0 |
1 |
0 |
0 |
5 |
BEHR GMBH & CO. |
3 |
0 |
0 |
1 |
1 |
5 |
BEHR THERMOT-TRONIK GMBH & CO. |
0 |
1 |
4 |
0 |
0 |
5 |
CHRYSALIS TECHNOLOGIES, INCORPORATED |
0 |
0 |
0 |
2 |
3 |
5 |
CLEAN FUEL TECHNOLOGY, INC. |
0 |
3 |
1 |
1 |
0 |
5 |
COMPETITION CAMS, INC. |
4 |
1 |
0 |
0 |
0 |
5 |
CSXT INTELLECTUAL PROPERTIES CORPORATION |
0 |
0 |
0 |
2 |
3 |
5 |
DEUTZ AG |
3 |
1 |
0 |
0 |
1 |
5 |
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY |
0 |
0 |
1 |
1 |
3 |
5 |
FORD MOTOR COMPANY |
1 |
1 |
2 |
1 |
0 |
5 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
0 |
0 |
0 |
4 |
1 |
5 |
INTERNATIONAL TRUCK INTELLECTUAL PROPERTY COMPANY L.L.C. |
0 |
0 |
1 |
3 |
1 |
5 |
LUBRIZOL CORPORATION |
0 |
2 |
1 |
2 |
0 |
5 |
MAHLE FILTERSYSTEME GMBH |
0 |
0 |
2 |
1 |
2 |
5 |
MAN NUTZFAHRZEUGE AKTIENGESELLSHAFT |
0 |
3 |
1 |
1 |
0 |
5 |
MARUYAMA MFG. CO. INC. |
1 |
1 |
2 |
1 |
0 |
5 |
MILLENNIUM INDUSTRIES CORP. |
0 |
0 |
2 |
2 |
1 |
5 |
REGIE NATIONALE DES USINES RENAULT |
2 |
1 |
0 |
1 |
1 |
5 |
SAAB AUTOMOBILE AKTIEBOLAG |
0 |
0 |
2 |
3 |
0 |
5 |
SIEMENS AUTOMOTIVE S.A. |
3 |
1 |
0 |
1 |
0 |
5 |
STURMAN INDUSTRIES, INC. |
1 |
1 |
2 |
1 |
0 |
5 |
TOYODA GOSEI KABUSHIKI KAISHA |
2 |
0 |
2 |
0 |
1 |
5 |
YANMAR CO., LTD. |
0 |
0 |
2 |
0 |
3 |
5 |