Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D317576 | Digital clock | Tsunataka Konoike | 1991-06-18 |
| D310037 | Thermometer | Tsunataka Konoike | 1990-08-21 |
| D309580 | Compass | Tsunataka Konoike | 1990-07-31 |
| D307850 | Can holder | Tsunataka Konoike | 1990-05-15 |