Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9683465 | Valve-timing control apparatus for internal combustion engine | Ryo Tadokoro, Shinichi Kawada, Hiroyuki Nemoto, Isao Doi | 2017-06-20 |
| 8701619 | Internal combustion engine piston | Kazuya Iwata | 2014-04-22 |
| 8220432 | Internal combustion engine piston | Kazuya Iwata | 2012-07-17 |
| 6705281 | Piston for an internal combustion engine | Eiji Okamura, Hidehiko Koyashiki, Kazumitsu Kobayashi | 2004-03-16 |