Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5274798 | Electronic apparatus with communication function having power source system with two voltage output levels | Fumikazu Aihara, Takashi Yamasaki, Eiji Nakazawa | 1993-12-28 |
| 4881205 | Compact electronic apparatus with a refresh unit for a dynamic type memory | — | 1989-11-14 |
| 4864604 | Electronic wristwatch having dialing tone generator | — | 1989-09-05 |
| 4769836 | Dialing tone generator employing low frequency oscillator | — | 1988-09-06 |
| 4717261 | Recording/reproducing apparatus including synthesized voice converter | Kazunori Kita, Hideyuki Shoji | 1988-01-05 |
| 4405241 | Electronic device having timepiece function | Iwao Tahara, Yushin Matsuo, Naoki Takahashi, Takuo Wakabayashi, deceased, Shigemasa Wakabayashi, executor | 1983-09-20 |
| 4391530 | Electronic timepiece | Takuo Wakabayashi, deceased, by Shigemasa Wakabayashi, legal representative, Iwao Tahara, Naoki Takahashi, Yushin Matsuo | 1983-07-05 |
| 4389684 | Movable tape-guide control system | — | 1983-06-21 |
| 4368988 | Electronic timepiece having recording function | Iwao Tahara, Naoki Takahashi, Yushin Matsuo, Takuo Wakabayashi, deceased, by Shigemasa Wakabayashi, legal representative | 1983-01-18 |