Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7542397 | Aberration correction apparatus, and control apparatus, control method and control program of optical pickup | Masakazu Ogasawara | 2009-06-02 |
| 6597442 | Apparatus for measuring aberration of a lens and an apparatus for adjusting a position of the lens | Takanori Maeda | 2003-07-22 |
| 5434840 | Non-linear reflectance optical information recording layer irradiated by a light beam controlled with an amplitude filter | Fumihiko Yokogawa | 1995-07-18 |