Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5414386 | Muting apparatus in car audio system | Mitsuo Nakazato | 1995-05-09 |
| 5191512 | Heat sink/circuit board assembly | Shinichi Ogura, Osamu Shishido, Tetsuya Watanabe, Yuuichi Mineo, Tohru Kageyama +3 more | 1993-03-02 |
| 5170081 | Ground isolation circuit | Mitsuo Nakazato, Kouzo Nozawa, Toshiro Araki, Mutsuro Tanoue, Mitsumasa Watanabe | 1992-12-08 |
| 4860361 | Acoustic-device cooling unit | Takeshi Sato, Shigeru Munetomo | 1989-08-22 |
| 4618834 | Variable characteristics amplifier circuit | — | 1986-10-21 |
| 4584536 | Balance control circuit | — | 1986-04-22 |
| 4334263 | Separately excited DC-DC converter having feedback circuit with temperature compensating effect | — | 1982-06-08 |