Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6696233 | Silver halide photographic photosensitive material having a polyethylene terephthalate film base support into which ultraviolet light absorber is kneaded | Tatsuya Nomura, Takanori Sato | 2004-02-24 |
| 5861237 | Photographic element and diffusion transfer photographic light-sensitive material using the same | — | 1999-01-19 |
| 5212051 | Photographic element with cellulose derivative polymer | Kentaro Shiratsuchi | 1993-05-18 |
| 4728596 | Light-sensitive element for silver salt diffusion transfer with iodine trapping layer | Yukio Karino, Noriyuki Inoue | 1988-03-01 |
| 4689287 | Photographic element for silver salt diffusion transfer process with I ion capturing layer | Kazunobu Katoh | 1987-08-25 |
| 4506002 | Diffusion transfer photographic elements with polymer grafted pigment | Hiroshi Hayashi, Shigetoshi Ono, Hisashi Okamura | 1985-03-19 |