Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6084848 | Two-dimensional near field optical memory head | — | 2000-07-04 |
| 4679903 | Objective lens driving device | Akihiro Kasahara, Akira Yamada, Shoji Watanabe | 1987-07-14 |
| 4367040 | Multi-channel optical sensing system | — | 1983-01-04 |