Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4688668 | Transfer system for plastic processing machines | Takeshi Ookubo, Motoatsu Shiraishi, Ken Tazou | 1987-08-25 |
| 4682685 | Conveyor in plastic working machine | Hiroyasu Yamada, Motoatsu Shiraishi, Ken Tazou, Mitsuki Nakamura, Ryoichi Kageyama +1 more | 1987-07-28 |
| 4658626 | Conveyor in plastic working machine | Hiroyasu Yamada, Motoatsu Shiraishi, Ken Tazou, Mitsuki Nakamura, Ryoichi Kageyama +1 more | 1987-04-21 |
| 4625540 | Conveyor in plastic working machine | Hiroyasu Yamada, Motoatsu Shiraishi, Ken Tazou, Mitsuki Nakamura, Ryoichi Kageyama +1 more | 1986-12-02 |