Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6350946 | Photoelectric conversion device and photoelectric cell | Kiyoteru Miyake | 2002-02-26 |
| 5008181 | Silver halide photographic materials | Akihiko Ikegawa, Masaki Okazaki | 1991-04-16 |
| 4963476 | Silver halide photographic material | Masakazu Yoneyama | 1990-10-16 |
| 4908303 | Silver halide photographic materials spectrally sensitized with luminous dye | Tsutomu Miyasaka, Tadaaki Tani | 1990-03-13 |
| 4876183 | Tubular silver halide photosensitive materials sensitized with a luminous dye | Tsutomu Miyasaka, Masaki Okazaki | 1989-10-24 |
| 4820606 | Silver halide photographic material | Tsutomu Miyasaka, Masaki Okazaki | 1989-04-11 |
| 4755456 | Method for preparing silver iodobromide emulsions having high aspect ratio | — | 1988-07-05 |
| 4713318 | Core/shell silver halide photographic emulsion and method for production thereof | Toshiaki Hayakawa | 1987-12-15 |
| 4665012 | Silver halide photographic light-sensitive material | Sumito Yamada | 1987-05-12 |
| 4656120 | Silver halide photographic light-sensitive materials | Hideo Ikeda | 1987-04-07 |
| 4614711 | Silver halide emulsion | Toshiaki Hayakawa | 1986-09-30 |
| 4609621 | Silver halide photographic light-sensitive material | Sumito Yamada, Tadashi Ikeda, Haruo Takei, Masaki Okazaki | 1986-09-02 |
| 4604339 | Method of developing silver halide photographic light-sensitive material | Hideo Ikeda, Hiroyuki Mifune, Koki Nakamura | 1986-08-05 |
| 4585729 | Silver halide photographic light-sensitive material | Sumito Yamada | 1986-04-29 |
| 4582779 | Internal latent image-type direct positive silver halide emulsions and photographic materials | Satosi Kubota | 1986-04-15 |
| 4581329 | Silver halide photographic light-sensitive material | Sumito Yamada, Hideo Ikeda, Masaki Okazaki, Tadashi Ikeda | 1986-04-08 |
| 4551419 | Method of developing silver halide photographic material | Hideo Ikeda, Koki Nakamura | 1985-11-05 |
| 4551421 | Silver halide photographic materials | Hideo Ikeda, Koki Nakamura | 1985-11-05 |
| 4540655 | Method of processing a direct positive silver halide photographic light-sensitive material | Yoshihiro Takagi, Shigeo Hirano | 1985-09-10 |
| 4521508 | Silver halide photographic light-sensitive materials | Hideo Ikeda, Hiroyuki Mifune, Koki Nakamura | 1985-06-04 |
| 4506008 | Silver halide photographic light-sensitive materials | Hideo Ikeda | 1985-03-19 |
| 4482627 | Method of treating direct positive silver halide sensitive material | Yoshihiro Takagi, Shigeo Hirano | 1984-11-13 |
| 4481285 | Method of treating direct positive silver halide sensitive material | Yoshihiro Takagi, Shigeo Hirano | 1984-11-06 |
| 4431730 | Process for the preparation of internal latent image type silver halide photographic emulsions | Shigeharu Urabe, Shinji Sakaguchi, Ichizo Toya | 1984-02-14 |
| 4431731 | Internal latent image silver halide emulsions | Ichizo Toya, Shigeharu Urabe, Shinji Sakaguchi | 1984-02-14 |