Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5007170 | Scissors for both right and left hand use | — | 1991-04-16 |
| 4837985 | Revolving grinding tool | — | 1989-06-13 |
| 4794693 | Slider for a cutter knife | Masanobu Ihata, Yoshihiko Yoshimoto | 1989-01-03 |