Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7746731 | Electronic device with solar cell | Takeo Mutoh, Takayuki Hasumi, Kenji Shimoda | 2010-06-29 |
| 6122226 | Combination electronic watch | Teruhiko Fujii, Tadashi Hasegawa | 2000-09-19 |