Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6154433 | Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head | Isao Hoshino, Yoshinori Honguh, Masahiko Tanaka | 2000-11-28 |
| 5615200 | Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head | Isao Hoshino, Yoshinori Honguh, Masahiko Tanaka | 1997-03-25 |