Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10132268 | Piston and method for manufacturing piston | Takuya Niimi, Akihiro Okamoto, Ryo Okazaki, Muneharu Kutsuna, Kiyotaka Saito | 2018-11-20 |
| 9719459 | Sliding component for internal combustion engine and method of manufacturing sliding component for internal combustion engine | Takayuki Hayashi, Hiroyoshi Hiejima, Akihiro Okamoto, Takuya Niimi, Ryo Okazaki | 2017-08-01 |