Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12330139 | Method for extracting low-molecular-weight substance existing in biological sample | — | 2025-06-17 |
| 10634247 | Piston structure for engine | Kazuo Ichikawa, Osamu Aoki, Takashi Ikai, Kouichi Nakano, Shinichi Fujimaki | 2020-04-28 |
| 10352269 | Method of producing piston for engine | Takashi Ikai, Kouichi Nakano | 2019-07-16 |
| 9546617 | Gasoline direct-injection engine | Masahiko Fujimoto, Yoshitomo Takahashi, Hiroyuki Yamashita | 2017-01-17 |