Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7543540 | Assembly structure | — | 2009-06-09 |
| 5169269 | One-strike wedging type blank nail | Iwao Kaizaki, Tomiyoshi Mihara | 1992-12-08 |
| 4724576 | Handle of a pot | — | 1988-02-16 |
| 4186858 | Foldable hanger | — | 1980-02-05 |