Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5548573 | Optical information reproducing apparatus provided with laser power control means for detecting reflected light from data region | — | 1996-08-20 |
| 4890273 | Optical information recording/reproducing system with variable gain servo error correction in response to detected track formats | Yoshiaki Ikeda | 1989-12-26 |
| 4878746 | Surgical microscope apparatus | Hiroshi Nakano, Toshiyuki Tsunoda, Masahiko Kinukawa | 1989-11-07 |
| 4750161 | Apparatus for recording and reproducing optical information | Yoshiaki Ikeda | 1988-06-07 |
| 4742505 | Optical information recording and reproducing memory system | Yoshiaki Ikeda, Hideyuki Kenjyo | 1988-05-03 |
| 4683560 | Microprocessor controlled focussing servo acquisition | Ken Ohshima, Hideyuki Kenjyo, Yoshiaki Ikeda, Masaharu Sakamoto | 1987-07-28 |
| 4611316 | Actuator operating center detecting circuit and optical disk apparatus with the detecting circuit | Ken Ohshima, Hideyuki Kenjyo, Yoshiaki Ikeda, Masaharu Sakamoto | 1986-09-09 |
| 4611317 | Optical disk apparatus | Ken Ohshima, Hideyuki Kenjyo, Yoshiaki Ikeda, Masaharu Sakamoto | 1986-09-09 |