Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5418763 | Disc recording system | Atsushi Ichikawa, Masateru Watanabe, Toshihiko Ishizaka, Shigeru Nakamura | 1995-05-23 |
| 5335217 | Optical information recording and reproducing apparatus | Akira Kuribayashi | 1994-08-02 |
| 5267105 | Disk loading device | Matsuo Morikawa | 1993-11-30 |
| 5172362 | Recording medium loading mechanism | Toshiyasu Hattori, Masateru Watanabe | 1992-12-15 |
| 5060207 | Magneto-optical recording/reproducing apparatus | Chikazu Yokoi | 1991-10-22 |
| 4807212 | Correcting for comatic aberration in an optical head of an optical disk apparatus | Akira Saito, Masateru Watanabe, Tomoji Osumi, Nobuo Suzuki | 1989-02-21 |
| 4650332 | Optical position detecting apparatus for positioning an actuator | Koji Muraoka, Takeshi Maeda, Masahiro Takasago | 1987-03-17 |
| 4523089 | Driving apparatus for semiconductor laser | Takeshi Maeda, Yasumitsu Mizoguchi, Masahiro Takasago, Yoshito Tsunoda | 1985-06-11 |
| 4450547 | Focal position detecting optical apparatus | Shigeru Nakamura, Takeshi Maeda, Toshimitsu Kaku, Yoshito Tsunoda, Wasao Takasugi | 1984-05-22 |