Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5334930 | Peak detection circuit | Koichi Yamazaki | 1994-08-02 |
| 5309417 | Information recording/reproducing apparatus for optical information recording medium | Koichi Yamazaki | 1994-05-03 |
| 5283158 | Silver halide photographic light-sensitive material | Yasushi Usagawa | 1994-02-01 |
| 5279920 | Silver halide photographic light sensitive material | Yasushi Usagawa | 1994-01-18 |