Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5379454 | Station selection device in tuner for automatic selection according to input information | Tomohiro Takegawa, Hiroshi Koinuma | 1995-01-03 |
| 5023938 | Station selecting device in tuner for automatic selection according to input information | Tomohiro Takegawa, Hiroshi Koinuma | 1991-06-11 |
| 4953213 | Surround mode stereophonic reproducing equipment | Tomohiro Takegawa | 1990-08-28 |
| 4628328 | Thermomagnetic recording apparatus | Yuichi Takahashi, Teruhiko Itami, Shunsuke Tomiyama | 1986-12-09 |