Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10052697 | Machining method and machining apparatus of valve holes of cylinder head, and clamp device | Daiki Sakai, Kenichi Imabuchi, Tetsuo Ishii, Katsumune Inaki, Shugo Arakawa +2 more | 2018-08-21 |
| 9114495 | Machining method and machining apparatus of valve holes of cylinder head, and clamp device | Daiki Sakai, Kenichi Imabuchi, Tetsuo Ishii, Katsumune Inaki, Shugo Arakawa +2 more | 2015-08-25 |
| 5807044 | Machine tool with pivoting spindle unit | Jun Watari, Takashi Yoshida, Tetsuharu Komatsu, Dai Arai, Tomomi Kousaka | 1998-09-15 |