Issued Patents 1994
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348783 | Optical information recording medium | Eiji Ohno, Kenichi Nagata, Kenichi Nishiuchi, Nobuo Akahira | 1994-09-20 |
| 5346740 | Optical information recording medium | Eiji Ohno, Kenichi Nagata, Kenichi Nishiuchi, Nobuo Akahira | 1994-09-13 |
| 5305297 | Method for determining optimum irradiation conditions in optical data recording | Kenichi Nishiuchi, Eiji Ohno, Nobuo Akahira | 1994-04-19 |
| 5305303 | Optical information recording medium | Nobuo Akahira, Eiji Ohno, Kenichi Nishiuchi, Kenichi Nagata | 1994-04-19 |
| 5294523 | Optical information recording medium | Ken'chi Nagata, Susumu Sanai, Masatoshi Takao | 1994-03-15 |
| 5291470 | Optical information recording method | Kenichi Nishiuchi | 1994-03-01 |
| 5289453 | Optical information recording method | Eiji Ohno, Kenichi Nishiuchi, Nobuo Akahira | 1994-02-22 |
| 5278011 | Reversible optical information-recording medium | Kunio Kimura, Masatoshi Takao, Susumu Sanai | 1994-01-11 |