Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667943 | Optical disc apparatus | Koichi Maruyama, Suguru Takishima, Wataru Kubo, Hiroshi Nishikawa, Hiroshi Yamamoto | 2003-12-23 |
| 5553052 | Inclination of an objective lens in an optical information system | Masahiro Oono, Toshiyuki Kase, Katsuki Hayashi, Hiroshi Nishikawa | 1996-09-03 |
| 5434835 | Optical disk apparatus | Suguru Takishima, Takashi Morita, Toshiyuki Kase, Masahiro Oono, Koichi Maruyama +2 more | 1995-07-18 |