Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9719459 | Sliding component for internal combustion engine and method of manufacturing sliding component for internal combustion engine | Takayuki Hayashi, Hiroyoshi Hiejima, Keiki Sugano, Akihiro Okamoto, Takuya Niimi | 2017-08-01 |
| 9581105 | Piston for internal combustion engine and manufacturing method thereof | Atsushi Kuniyasu, Takuya Niimi, Akihiro Okamoto, Takayuki Hayashi | 2017-02-28 |