Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4405241 | Electronic device having timepiece function | Toshiharu Aihara, Iwao Tahara, Yushin Matsuo, Naoki Takahashi, Shigemasa Wakabayashi, executor | 1983-09-20 |
| 4391530 | Electronic timepiece | by Shigemasa Wakabayashi, legal representative, Iwao Tahara, Toshiharu Aihara, Naoki Takahashi, Yushin Matsuo | 1983-07-05 |
| 4368988 | Electronic timepiece having recording function | Iwao Tahara, Toshiharu Aihara, Naoki Takahashi, Yushin Matsuo, by Shigemasa Wakabayashi, legal representative | 1983-01-18 |