Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10487772 | Piston for internal combustion engine, and production method and production device for piston for internal combustion engine | Kazuto Kawamoto, Minoru Yamauchi | 2019-11-26 |
| 9739233 | Piston of internal combustion engine | Takashi Ide, Toshiro Fushimi | 2017-08-22 |