Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341355 | Multibeam optical pickup and servo method thereof | Hiroshi Gotoh, Isamu Shibata, Tatsuaki Sakurai | 1994-08-23 |
| 5315431 | Optical isolator | Akihiro Masuda, Hideaki Yuri, Yoichi Suzuki | 1994-05-24 |