Toya; Ichizo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Toya; Ichizo.The latest application filed is for "thermally processed image forming material".
- Toya; Ichizo - Minami-ashigara JP
- Toya; Ichizo - Kanagawa JP
| Patent | Date |
|---|---|
| Thermally processed image forming material Grant 6,333,147 - Toya December 25, 2 | 2001-12-25 |
| Photothermo-or thermo-graphic material Grant 6,312,885 - Fujita , et al. November 6, 2 | 2001-11-06 |
| Photothermographic material Grant 5,998,126 - Toya , et al. December 7, 1 | 1999-12-07 |
| Silver halide photographic element Grant 5,230,993 - Yamada , et al. July 27, 1 | 1993-07-27 |
| Direct positive silver halide photographic emulsion Grant 4,552,828 - Toya , et al. November 12, 1 | 1985-11-12 |
| Internal latent image silver halide emulsions Grant 4,431,731 - Sugimoto , et al. February 14, 1 | 1984-02-14 |
| Silver halide photographic emulsion Grant 4,284,717 - Toya , et al. August 18, 1 | 1981-08-18 |
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