Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4423497 | Rotary recording medium reproducing apparatus capable of performing special reproduction | Hiroyuki Sugiyama, Masaki Sakurai, Kenji Yoshihara | 1983-12-27 |
| 4408312 | Rotary recording medium reproducing apparatus with a tracking control defeating circuit for rapid track access | Hiroyuki Sugiyama, Isami Kaneda, Susumu Sakakibara, Yasushi Sano | 1983-10-04 |
| 4402070 | Transfer control device for a reproducing transducer in a rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Isami Kaneda, Susumu Sakakibara, Yasushi Sano | 1983-08-30 |