Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9217359 | Internal-combustion engine | Teruo Kobayashi, Yuki Ito, Shuichi Kitahara, Nobuo Suzuki, Yuusuke Wada +2 more | 2015-12-22 |
| 6705616 | Piston ring device in internal combustion engine | Noriaki Fujii, Kazuyuki Seko | 2004-03-16 |