Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10052697 | Machining method and machining apparatus of valve holes of cylinder head, and clamp device | Daiki Sakai, Tetsuo Ishii, Katsumune Inaki, Shugo Arakawa, Kazuhide ITO +2 more | 2018-08-21 |
| 9114495 | Machining method and machining apparatus of valve holes of cylinder head, and clamp device | Daiki Sakai, Tetsuo Ishii, Katsumune Inaki, Shugo Arakawa, Kazuhide ITO +2 more | 2015-08-25 |