Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658103 | Boring bit | Shunji Chiba, Atsushi Otogawa | 1997-08-19 |
| 5386745 | Motion converting mechanism and rotary tool | — | 1995-02-07 |
| 5259259 | Motion converting mechanism and rotary tool | Katsuhisa Inokuchi | 1993-11-09 |
| 5176038 | Motion converting mechanism and rotary tool | Katsuhisa Inokuchi | 1993-01-05 |