Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5574881 | High capacity data storage method and system using independently controlled heads and circuitry for monitoring access frequency of data records | Hiroshi Yasuoka, Yoshito Tsunoda, Takeshi Maeda, Yoshihisa Kamo, Hiromichi Fujisawa +1 more | 1996-11-12 |
| 5408452 | Optical information recording/reproducing system including novel tracking system | Akito Sakemoto, Toshinori Sugiyama, Shigeru Nakamura, Masahiro Ojima | 1995-04-18 |
| 4563760 | Method of detecting light spot control signal | Takeshi Maeda, Kazuo Shigematsu, Masahiro Takasago, Yasumitsu Mizoguchi, Yoshito Tsunoda +1 more | 1986-01-07 |
| 4222081 | Information reading device for a multitrack storage device | Yoshihisa Kamo, Hiroshi Maejima | 1980-09-09 |