Issued Patents All Time
Showing 76–83 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4692606 | Modulated light source with power stabilized according to data signal | Mitsugu Sakai | 1987-09-08 |
| 4651314 | Optical recording and reproducing equipment | Saburo Funada | 1987-03-17 |
| 4577320 | Light power controlling apparatus | Masaharu Sakamoto | 1986-03-18 |
| 4571728 | Temperature control device for a semiconductor laser | — | 1986-02-18 |
| 4505585 | System for detecting defects on an optical surface | Ken Ohshima, Hiroshi Kodama, Kunio Yamamiya, Masaharu Sakamoto, Kiichi Kato | 1985-03-19 |
| 4499514 | Disc drive apparatus | Kunio Yamamiya, Hiroshi Kodama, Ken Ohshima, Kiichi Kato, Masaharu Sakamoto | 1985-02-12 |
| 4495407 | System for focusing an optical head onto a flat surface | Hiroshi Kodama, Masaharu Sakamoto, Ken Ohshima, Kunio Yamamiya, Kiichi Kato | 1985-01-22 |
| 4464050 | Apparatus for detecting optically defects | Kiichi Kato, Masaharu Sakamoto, Kunio Yamamiya, Hiroshi Kodama, Ken Ohsima | 1984-08-07 |