Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341355 | Multibeam optical pickup and servo method thereof | Isamu Shibata, Ikuo Maeda, Tatsuaki Sakurai | 1994-08-23 |
| 5337302 | Optical data recording/reproduction apparatus for use with semiconductor lasers as a light source | Masami Emoto, Kiyoshi Yokomori | 1994-08-09 |