Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702846 | Photosensitive composition for volume hologram recording | Kenzo Mizutani, Masami Kawabata, Iwao Sumiyoshi | 1997-12-30 |
| 5665494 | Photosensitive composition for volume hologram recording | Masami Kawabata, Iwao Sumiyoshi | 1997-09-09 |
| 5652232 | Benzolactam derivatives | Koichi Shudo, Yasuyuki Endo, Tamio Fujiwara | 1997-07-29 |