Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7244210 | Power transmission apparatus for vehicle and vehicle-driving electric machinery system using the same | Hideki Sekiguchi, Shogo Miyamoto, Yoshikazu Tanaka | 2007-07-17 |
| 6638193 | Transmission system for automotive vehicle | — | 2003-10-28 |
| 6184603 | Motor/generator unit applicable to automotive vehicle | Satoshi Taniuchi | 2001-02-06 |
| 5193436 | Engine piston | Takayuki Arai, Takaharu Goto, Hisafumi Usuki | 1993-03-16 |
| 5107807 | Piston for internal combustion engine | Takayuki Arai, Takaharu Goto | 1992-04-28 |
| 5035210 | Piston assembly of internal combustion engine | Takayuki Arai, Takaharu Goto | 1991-07-30 |
| 4944256 | Rocker arm arrangement for internal combustion engine poppet valves and the like | Yutaka Matayoshi, Yasuhiko Nakagawa, Shigeru Kamegaya | 1990-07-31 |
| 4928650 | Operating arrangement for internal combustion engine poppet valves and the like | Yutaka Matayoshi, Toru Yoshimura, Shigeru Kamegaya | 1990-05-29 |
| 4694797 | Fuel supply system for internal combustion engine | — | 1987-09-22 |
| 4502454 | Ignition system for an internal combustion engine | Meroji Nakai, Ryusaburo Inoue, Yasuhiko Nakagawa | 1985-03-05 |
| 4497306 | Ignition system for an internal combustion engine | Yasuhiko Nakagawa, Meroji Nakai, Ryusaburo Inoue | 1985-02-05 |
| 4475492 | System for forcefully igniting sprayed fuel of a diesel engine during engine starting | Junichi Furukawa, Yasuhiko Nakagawa, Meroji Nakai | 1984-10-09 |
| 4457285 | Sustained arc ignition system for an internal combustion engine | Yasuhiko Nakagawa, Meroji Nakai, Junichi Furukawa, Takashi Ishizuka | 1984-07-03 |
| 4442821 | Internal combustion engine ignition method | Yasuhiko Nakagawa, Meroji Nakai, Ryuzaburo Inoue | 1984-04-17 |
| 4419601 | Spark plug for internal combustion engine | Yasuhiko Nakagawa, Meroji Nakai, Ryuzaburo Maruyama | 1983-12-06 |
| 4398526 | Plasma ignition system for internal combustion engine | Yasuhiko Nakagawa, Meroji Nakai, Ryuzaburou Inoue | 1983-08-16 |
| 4395983 | Swirl-chamber Diesel engine with swirl chamber having depression for collecting fuel droplets | Masayuki Tamura | 1983-08-02 |
| 4354136 | Ignition plug for internal combustion engine | Meroji Nakai, Ryuzaburo Maruyama, Yasuhiko Nakagawa | 1982-10-12 |
| 4327698 | Exhaust gas recirculating device | Tsuyoshi Nakano, Yoshimi Uchida | 1982-05-04 |
| 4276865 | Diesel engine having a subchamber | — | 1981-07-07 |
| 4237827 | Swirl-chamber diesel engine with piston formed with curved groove at its crown | — | 1980-12-09 |
| 4211189 | Internal combustion engine with dual induction system and more particularly to combustion chamber design thereof | — | 1980-07-08 |