Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085434 | Liquid pump | Tomoaki Takahashi | 2021-08-10 |
| 4854787 | Boring device | Osamu Asano, Toshio Mikiya | 1989-08-08 |
| 4820088 | Boring device | Osamu Asano, Toshio Mikiya | 1989-04-11 |
| 4793746 | Boring device | Osamu Asano, Toshio Mikiya | 1988-12-27 |
| 4770569 | Boring device | Osamu Asano, Toshio Mikiya | 1988-09-13 |