Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602383 | Optical apparatus for optically reading and recording information | Masatoshi Yonekubo | 1997-02-11 |
| 5600619 | Optical head | Tomohiro Makigaki, Hirokazu Ito, Toshio Arimura | 1997-02-04 |