Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4519063 | Phono pickup cartridge | Kazuo Nishikawa, Hiroyuki Ichino | 1985-05-21 |
| 4437179 | Phono pickup cartridge | Kazuo Nishikawa, Kiyoshi Sato, Hiroyuki Ichino | 1984-03-13 |
| 4385375 | Moving coil type phono cartridge | Shinji Yasuda | 1983-05-24 |
| 4327433 | Magnetic phono cartridge | Kazuo Nishikawa | 1982-04-27 |
| 4271335 | Pickup cartridge having a resilient biasing member for holding an elongated stylus holder against a support surface thereof | — | 1981-06-02 |