Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4573092 | Rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Ryozo Abe, Yasuhiro Yusa, Kenji Yoshihara, Takashi Saito | 1986-02-25 |
| 4561026 | Reproducing apparatus for reproducing recorded signals from a rotary recording medium | Ryozo Abe | 1985-12-24 |
| 4550393 | System for reproducing an address signal from each track turn during a search mode operation of a reproducing apparatus | Hiroyuki Sugiyama, Ryozo Abe, Kenji Yoshihara | 1985-10-29 |
| 4530013 | Special reproducing system for reproducing a rotary recording medium | Hiroyuki Sugiyama, Ryozo Abe, Kenji Yoshihara | 1985-07-16 |
| 4520473 | Signal pickup device in a rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Ryozo Abe, Yasuhiro Yusa, Kenji Yoshihara | 1985-05-28 |
| 4516161 | System for pausing reproduction in rotary recording medium reproducing apparatus | Hiroyuki Sigiyama, Ryozo Abe, Kenji Yoshihara | 1985-05-07 |
| 4500983 | Rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Ryozo Abe, Kenji Yoshihara | 1985-02-19 |
| 4496993 | Rotary recording medium | Hiroyuki Sugiyama, Ryozo Abe, Kenji Yoshihara | 1985-01-29 |
| 4489398 | Address indicator control device in a rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Ryozo Abe, Kenji Yoshihara | 1984-12-18 |
| 4485412 | Rotary recording medium reproducing apparatus capable of performing high-speed search operation | Hiroyuki Sugiyama, Ryozo Abe, Kenji Yoshihara | 1984-11-27 |
| 4480280 | Rotary recording medium reproducing apparatus address search | Hiroyuki Sugiyama, Ryozo Abe, Kenji Yoshihara, Susumu Sakakibara | 1984-10-30 |
| 4467464 | Rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Ryozo Abe, Kenji Yoshihara | 1984-08-21 |
| 4463388 | Rotary recording medium capable of performing special reproduction | Hiroyuki Sugiyama, Ryozo Abe, Yahuhiro Yusa, Kenji Yoshihara | 1984-07-31 |
| 4453245 | Apparatus for detecting position of a reproducing transducer in a rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Ryuzo Abe, Yasuhiro Yusa, Kenji Yoshihara | 1984-06-05 |
| 4433347 | Apparatus for automatically reproducing signals in accordance with a mode of the recorded signals | Hiroyuki Sugiyama, Kenji Yoshihara, Yasuhiro Yusa, Ryozo Abe | 1984-02-21 |
| 4429335 | Rotary recording medium reproducing apparatus capable of performing special reproduction | Hiroyuki Sugiyama, Ryuzo Abe, Yasuhiro Yusa, Kenji Yoshihara | 1984-01-31 |
| 4428003 | Periodical signal detection circuit in a reproducing apparatus | Hiroyuki Sugiyama, Ryozo Abe, Kenji Yoshihara | 1984-01-24 |
| 4428074 | High-speed search system in a rotary recording medium reproducing apparatus | Ryozo Abe, Hiroyuki Sugiyama, Yasuhiro Yusa, Kenji Yoshihara | 1984-01-24 |
| 4423497 | Rotary recording medium reproducing apparatus capable of performing special reproduction | Hiroyuki Sugiyama, Ryozo Abe, Kenji Yoshihara | 1983-12-27 |
| 4419710 | Case for a disc-shaped recording medium | Hiroyuki Sugiyama, Ryuzo Abe, Yasuhiro Yusa, Kenji Yoshihara | 1983-12-06 |
| 4413292 | Rotary recording medium reproducing apparatus capable of performing automatic search reproduction | Hiroyuki Sugiyama, Ryuzo Abe, Yasuhiro Yusa, Kenji Yoshihara | 1983-11-01 |
| 4413299 | State indicating device in a rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Ryuzo Abe, Yasuhiro Yusa, Kenji Yoshihara | 1983-11-01 |