Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4933267 | Method of making a rolled silver halide element | Takashi Naoi | 1990-06-12 |
| 4925782 | Silver halide photographic light-sensitive element containing water soluble dye compounds | Masahiro Okada, Toshinao Ukai, Seiji Suzuki, Keiichi Adachi, Toshiyuki Watanabe | 1990-05-15 |
| 4879204 | Silver halide photographic element containing anhydazine compound and specific dyes | Toshiro Takahashi, Yuji Mihara, Keiichi Adachi, Shigeru Ohno, Masahiro Okada +1 more | 1989-11-07 |
| 4822727 | Silver halide photographic light-sensitive material | Yuji Yoshimura, Satoshi Kanetake, Masaaki Torigoe | 1989-04-18 |
| 4801525 | Infrared sensitized silver halide light-sensitive element with mordant dye over layer | Yuji Mihara | 1989-01-31 |
| 4675278 | Silver halide photographic light-sensitive materials | Naohiko Sugimoto | 1987-06-23 |
| 4600687 | Photographic light-sensitive material | Taku Nakamura, Mitsunori Hirano, Masasi Ogawa | 1986-07-15 |
| 4508818 | Silver halide photographic sensitive materials | Masashi Ogawa, Nobuyuki Iwasaki, Taku Nakamura | 1985-04-02 |
| 4481284 | Silver halide photographic light-sensitive material | Masashi Ogawa, Nobuyuki Iwasaki, Taku Nakamura | 1984-11-06 |
| 4476218 | Silver halide photographic light-sensitive materials | Masashi Ogawa, Taku Nakamura, Nobuyuki Iwasaki | 1984-10-09 |
| 4460680 | Silver halide photographic light-sensitive material | Masashi Ogawa, Nobuyuki Iwasaki, Taku Nakamura | 1984-07-17 |
| 4444926 | Method of hardening gelatin and photographic materials produced thereby | Masasi Ogawa, Kiyotaka Hori | 1984-04-24 |
| 4427768 | Method of hardening gelatin | Katuji Kitatani, Hidefumi Sera, Atsuaki Arai, Masasi Ogawa, Haruo Ogura | 1984-01-24 |
| 4396708 | Photographic light-sensitive material containing antistatic acid polymer | Masashi Ogawa, Taku Nakamura | 1983-08-02 |
| 4323644 | Photographic material containing polymers with active ester groups | Taku Nakamura, Masasi Ogawa | 1982-04-06 |
| 4294921 | Method of hardening gelatin | Jun Yamaguchi, Takashi Naoi, Hidefumi Sera, Masasi Ogawa | 1981-10-13 |
| 4268627 | Photographic light-sensitive material | Hidefumi Sera, Katuzi Kitatani, Masasi Ogawa, Hisashi Shiraishi | 1981-05-19 |