Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325348 | Wavelength converting element and system for recording and reproducing optical information | Hideo Maeda, Eiji Noda | 1994-06-28 |
| 5278817 | Optical pick-up for use with an opto-magnetic signal | Hideo Maeda, Junichi Kitabayashi | 1994-01-11 |