Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331650 | Light source device and optical pickup using light source device | Kazuya Miyagaki | 1994-07-19 |
| 5325348 | Wavelength converting element and system for recording and reproducing optical information | Eiji Noda, Shigeru Ohuchida | 1994-06-28 |
| 5278817 | Optical pick-up for use with an opto-magnetic signal | Shigeru Ohuchida, Junichi Kitabayashi | 1994-01-11 |