Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879705 | Automatic loading disc player | Yoshio Aoyagi, Hiroyuki Hirano, Toshiyuki Kimura, Susumu Niinuma, Minoru Yoshioka +6 more | 1989-11-07 |
| 4872155 | Clock generator circuit and a synchronizing signal detection method in a sampled format system and a phase comparator circuit suited for generation of the clock | Hiroyuki Hirano, Keiji Kinpara | 1989-10-03 |
| 4866691 | AC amplifying RF signal processing circuit for optical disk player | — | 1989-09-12 |
| 4860271 | Servo circuit for generating a tracking error signal for optical disk player | Hiroyuki Hirano, Akira Motoyama | 1989-08-22 |
| 4829502 | Automatic loading disc player | Yoshiro Aoyagi, Toshiyuki Kimura, Susumu Niinuma, Minoru Yoshioka, Keiichi Matsumoto +6 more | 1989-05-09 |