Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4573092 | Rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Masaki Sakurai, Ryozo Abe, Kenji Yoshihara, Takashi Saito | 1986-02-25 |
| 4520473 | Signal pickup device in a rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Ryozo Abe, Masaki Sakurai, Kenji Yoshihara | 1985-05-28 |
| 4453245 | Apparatus for detecting position of a reproducing transducer in a rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Masaki Sakurai, Ryuzo Abe, Kenji Yoshihara | 1984-06-05 |
| 4433347 | Apparatus for automatically reproducing signals in accordance with a mode of the recorded signals | Hiroyuki Sugiyama, Kenji Yoshihara, Ryozo Abe, Masaki Sakurai | 1984-02-21 |
| 4429335 | Rotary recording medium reproducing apparatus capable of performing special reproduction | Hiroyuki Sugiyama, Masaki Sakurai, Ryuzo Abe, Kenji Yoshihara | 1984-01-31 |
| 4428074 | High-speed search system in a rotary recording medium reproducing apparatus | Ryozo Abe, Masaki Sakurai, Hiroyuki Sugiyama, Kenji Yoshihara | 1984-01-24 |
| 4419710 | Case for a disc-shaped recording medium | Hiroyuki Sugiyama, Masaki Sakurai, Ryuzo Abe, Kenji Yoshihara | 1983-12-06 |
| 4413292 | Rotary recording medium reproducing apparatus capable of performing automatic search reproduction | Hiroyuki Sugiyama, Masaki Sakurai, Ryuzo Abe, Kenji Yoshihara | 1983-11-01 |
| 4413299 | State indicating device in a rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Masaki Sakurai, Ryuzo Abe, Kenji Yoshihara | 1983-11-01 |