Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5615200 | Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head | Shoko Wachi, Yoshinori Honguh, Masahiko Tanaka | 1997-03-25 |