Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638376 | Rotary recording medium which is playable in still picture, slow-motion and normal reproduction modes | Hiroyuki Sugiyama, Masaki Sakurai, Kenji Yoshihara, Yasuo Haneji | 1987-01-20 |
| 4618950 | Address data accessing device in a rotary recording medium reproducing apparatus | Masaki Sakurai | 1986-10-21 |
| 4614979 | Digital video signal reproducing apparatus | Hiroyuki Sugiyama, Yoshiaki Amano, Nobuaki Takahashi, Takeshi Shibamoto, Hideo Sato +1 more | 1986-09-30 |
| 4611248 | Rotary recording medium and reproducing apparatus therefor | Yoshihiko Honjo, Hisayoshi Yamada, Kazuhiro Hosono, Masaki Sakurai, Kenji Yoshihara | 1986-09-09 |
| 4603411 | Periodical signal detection circuit within a variable window length | Hiroyuki Sugiyama, Susumu Sakakibara | 1986-07-29 |
| 4573092 | Rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Masaki Sakurai, Yasuhiro Yusa, Kenji Yoshihara, Takashi Saito | 1986-02-25 |
| 4561026 | Reproducing apparatus for reproducing recorded signals from a rotary recording medium | Masaki Sakurai | 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, Masaki Sakurai, Kenji Yoshihara | 1985-10-29 |
| 4530013 | Special reproducing system for reproducing a rotary recording medium | Hiroyuki Sugiyama, Masaki Sakurai, Kenji Yoshihara | 1985-07-16 |
| 4520473 | Signal pickup device in a rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Yasuhiro Yusa, Masaki Sakurai, Kenji Yoshihara | 1985-05-28 |
| 4516161 | System for pausing reproduction in rotary recording medium reproducing apparatus | Hiroyuki Sigiyama, Masaki Sakurai, Kenji Yoshihara | 1985-05-07 |
| 4500983 | Rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Masaki Sakurai, Kenji Yoshihara | 1985-02-19 |
| 4499505 | Apparatus for playing back video signals recorded on a rotary recording medium on several quasi-slow motion reproduction modes | Hiroyuki Sugiyama, Kenji Yoshihara | 1985-02-12 |
| 4496993 | Rotary recording medium | Hiroyuki Sugiyama, Masaki Sakurai, Kenji Yoshihara | 1985-01-29 |
| 4489398 | Address indicator control device in a rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Masaki Sakurai, Kenji Yoshihara | 1984-12-18 |
| 4486790 | Drive circuit for feeding a reproducing element across a rotary medium having signals recorded thereon | Hiroyuki Sugiyama, Susumu Sakakibara | 1984-12-04 |
| 4485412 | Rotary recording medium reproducing apparatus capable of performing high-speed search operation | Hiroyuki Sugiyama, Masaki Sakurai, Kenji Yoshihara | 1984-11-27 |
| 4482925 | Quick-motion reproducing system in a rotary recording medium reproducing apparatus | Hiroyuki Sugiyama | 1984-11-13 |
| 4480280 | Rotary recording medium reproducing apparatus address search | Hiroyuki Sugiyama, Masaki Sakurai, Kenji Yoshihara, Susumu Sakakibara | 1984-10-30 |
| 4472795 | Periodical signal detection circuit within a variable window length | Hiroyuki Sugiyama, Susumu Sakakibara | 1984-09-18 |
| 4467464 | Rotary recording medium reproducing apparatus | Hiroyuki Sugiyama, Masaki Sakurai, Kenji Yoshihara | 1984-08-21 |
| 4463388 | Rotary recording medium capable of performing special reproduction | Hiroyuki Sugiyama, Masaki Sakurai, Yahuhiro Yusa, Kenji Yoshihara | 1984-07-31 |
| 4433347 | Apparatus for automatically reproducing signals in accordance with a mode of the recorded signals | Hiroyuki Sugiyama, Kenji Yoshihara, Yasuhiro Yusa, Masaki Sakurai | 1984-02-21 |
| 4428003 | Periodical signal detection circuit in a reproducing apparatus | Hiroyuki Sugiyama, Masaki Sakurai, Kenji Yoshihara | 1984-01-24 |
| 4428074 | High-speed search system in a rotary recording medium reproducing apparatus | Masaki Sakurai, Hiroyuki Sugiyama, Yasuhiro Yusa, Kenji Yoshihara | 1984-01-24 |