Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5311323 | Video signal recording system | — | 1994-05-10 |
| 4884956 | Rotary compressor with clearance volumes to offset pulsations | Makoto Fujitani, Masashi Hirabayashi, Hiroshi Machida, Masami Kondo, Sachio Onoda | 1989-12-05 |
| 4433306 | Audio-frequency power amplifier | Chikara Tsuchiya, Yoshiaki Sano, Toshio Hanazawa, Harumi Handa | 1984-02-21 |
| 4230980 | Bias circuit | Yoshiaki Sano, Toshio Hanazawa | 1980-10-28 |