Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843986 | Thread feeding apparatus for multi-needle sewing machine | Tadashi Kozuka, Minoru Ozaku, Yuji Yamamoto | 1989-07-04 |
| 4654035 | Injector | — | 1987-03-31 |
| 4352580 | Knock-out type mechanical pencil with retractable eraser | — | 1982-10-05 |