Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079350 | Blow-by gas recirculation structure for internal combustion engine | Koji Nishiyama | 2011-12-20 |
| 8011353 | Blow-by gas recirculation structure for engine | — | 2011-09-06 |
| 7938091 | Camshaft and camshaft manufacturing method | — | 2011-05-10 |
| 6880538 | Blowby gas circulating apparatus for an internal combustion engine | Takashi Ishizuka, Michihiro Yamane, Norio Ito, Takashi Satake | 2005-04-19 |
| 6244255 | Mounting structure for EGR valve or EGR tube | Yasuo Sunaga | 2001-06-12 |
| 4838215 | Inertia supercharging induction system for multi-cylinder internal combustion engine | Makoto Yasuda, Syousabu Ura, Shuichi Nishimura, Isaya Matsuo, Masami Kato | 1989-06-13 |
| 4741294 | Inertia supercharging induction system for multi-cylinder internal combustion engine | Makoto Yasuda, Syousabu Ura, Shuichi Nishimura, Isaya Matsuo, Masami Kato | 1988-05-03 |