Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33765 | Record/playback apparatus automatically skips unnecessary information during playback | Toshihiko Takahashi | 1991-12-10 |
| 4688116 | Apparatus for recording and/or reproducing digital signal | Toshihiko Takahashi | 1987-08-18 |
| 4210873 | Gain and impedance switching circuit for an amplifier | Tadao Suzuki | 1980-07-01 |
| 4204246 | Cooling assembly for cooling electrical parts wherein a heat pipe is attached to a heat conducting portion of a heat conductive block | Hiroshi Arii, Takashi Yoshida, Chiaki Nonaka | 1980-05-20 |