Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4558213 | Pickup level control device for a system for reading out recorded information | Koki Aizawa, Akira Haeno, Akira Motoyama | 1985-12-10 |
| 4510458 | Amplifier circuit | Tetsuo Sato, Yasuo Kominami, Akira Haeno | 1985-04-09 |
| 4476502 | Noise reduction system | Kazuo Watanabe, Yasuo Kominami, Akira Haeno | 1984-10-09 |
| 4385329 | Tape drive control system for pinch roller-less type tape recorder | Takashi Kashiwazaki, Norihiko Itoh, Tomomitsu Takano, Junji Kobayashi | 1983-05-24 |
| 4365278 | Device for detecting non-recorded portions on magnetic tape | Takashi Kashiwazaki, Koji Shimoda, Kazumi Kuriyama | 1982-12-21 |
| 4309728 | Friction force drive capstan tape recorder | Norihiko Itoh, Takashi Kashiwazaki, Tomomitsu Takano, Junji Kobayashi | 1982-01-05 |