Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6738334 | Optical memory apparatus having a base with a unitary and integral optical component mounting portion and a precision mounting surface for mounting an optical component | Hidenori Saitou, Hirataka Ukai, Yasukiyo Kunimatsu, Shigeru Juman, Tomoo Sukagawa +3 more | 2004-05-18 |
| 6411581 | Optical memory apparatus having planar printed circuit board mounted therein | Hidenori Saitou, Hirataka Ukai, Yasukiyo Kunimatsu, Shigeru Juman, Tomoo Sukagawa +3 more | 2002-06-25 |
| 6388972 | Optical memory apparatus having turn table unit mounted by a plate having an integral guide portion to a supporting base | Hidenori Saitou, Hirataka Ukai, Yasukiyo Kunimatsu, Shigeru Juman, Tomoo Sukagawa +3 more | 2002-05-14 |
| 6141309 | Optical memory apparatus having a supporting base with an integral, fixed optical part mounting portion | Hidenori Saitou, Hirataka Ukai, Yasukiyo Kunimatsu, Shigeru Juman | 2000-10-31 |
| 5142520 | System for obtaining optimum focusing position in optical disc system | Shigenori Yanagi, Akira Minami, Masateru Sasaki, Shigeru Arai, Hidenori Saitoh | 1992-08-25 |
| 5077719 | Optical disk access system | Shigenori Yanagi, Masateru Sasaki, Akira Minami, Shigeyoshi Tanaka | 1991-12-31 |
| 4782474 | Tracking servo system for controllably projecting an optical beam on an optical disk | Shigeru Arai | 1988-11-01 |