Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6930972 | Optical information processor and optical element | Youichi Saitoh, Junichi Asada, Yuichi Takahashi, Seiji Nishiwaki, Kenji Nagashima +1 more | 2005-08-16 |
| 6920101 | Optical information processor and optical element | Youichi Saitoh, Junichi Asada, Yuichi Takahashi, Seiji Nishiwaki, Kenji Nagashima +1 more | 2005-07-19 |
| 6909685 | Optical disk device having light converging means which marks plural signal mark positions in a direction substantially perpendicular to tracks | Seiji Nishiwaki, Kazuo Momoo | 2005-06-21 |
| 6888787 | Optical information processor and optical element | Youichi Saitoh, Junichi Asada, Yuichi Takahashi, Seiji Nishiwaki, Kenji Nagashima +1 more | 2005-05-03 |