Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691271 | Indolylazaphthalides and recording materials containing the same | Kiyoshi Takeuchi, Toyohisa Oya, Naoki Asanuma, Masanobu Takashima, Syunsaku Higashi | 1997-11-25 |
| 5652082 | Photosensitive bis(halomethyloxadiazole) compound and photosensitive transfer sheet using the same | Masatoshi Yumoto, Ken Iwakura, Juniti Fujimori, Shinji Fujimoto, Minoru Maeda | 1997-07-29 |
| 5595853 | Optical image forming material | Makoto Ono | 1997-01-21 |