Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5497243 | Video disk recorder having a real-time editing function | Haruyasu Sakata, Nobuo Haino | 1996-03-05 |
| 5251199 | Laser diode drive control apparatus | Yoshiyuki Kakuta | 1993-10-05 |
| 5233439 | Disk player with improved sound during different speed video reproductions | — | 1993-08-03 |
| 5189651 | Optical system in magneto-optical recording and reproducing device | — | 1993-02-23 |
| 5051836 | Optical disc with pregrooves and recording method and apparatus using an optical disc of that type | Fumihiko Yokogawa | 1991-09-24 |
| 5034934 | Opto-magnetic disk unit with improved dynamic range characteristics and opto-magnetic disk therefor | Ryuichi Naito, Ikuya Kikuchi | 1991-07-23 |
| 4631396 | Focus error detection device | — | 1986-12-23 |
| 4506149 | Tracking servo signal generating device in an apparatus for reading recorded information | — | 1985-03-19 |
| 4243848 | Focus control system for optical read-out apparatus | — | 1981-01-06 |