Issued Patents All Time
Showing 26–50 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296345 | Silver halide photographic material | Seiji Yamashita, Masaki Okazaki | 1994-03-22 |
| 5290675 | Silver halide photographic material | Takanori Hioki, Takashi Kato, Naoto Ohshima | 1994-03-01 |
| 5275931 | Silver halide photographic material | Mitsuo Saitou, Hisashi Okamura | 1994-01-04 |
| 5260183 | Silver halide photographic material | Shoji Ishiguro | 1993-11-09 |
| 5213959 | Silver halide photographic material | Mitsuo Saitou, Hisashi Okamura | 1993-05-25 |
| 5183733 | Silver halide photographic materials | Yoshio Inagaki | 1993-02-02 |
| 5175080 | Methine compound and silver halide photographic material containing the methine compound | Takanori Hioki, Takashi Kato | 1992-12-29 |
| 5166047 | Methine compounds | Takanori Hioki | 1992-11-24 |
| 5142029 | Silver halide photographic material containing a compound with variable development restraining ability | Keiichi Adachi, Shingo Sato, Shigeo Hirano, Koki Nakamura, Morio Yagihara +2 more | 1992-08-25 |
| 5047978 | Bloch line memory device | Youji Maruyama, Ryo Suzuki | 1991-09-10 |
| 5032500 | Process for the preparation of silver halide photographic emulsion | Mitsuo Saitou, Yoshio Inagaki, Toshinao Ukai | 1991-07-16 |
| 4987064 | Silver halide photographic materials | Mitsuo Saitou, Toshinao Ukai | 1991-01-22 |
| 4971889 | Silver halide photographic emulsions | Haruo Takei, Satoru Takimoto, Masaki Okazaki | 1990-11-20 |
| 4949304 | Bloch line memory device | Youji Maruyama, Ryo Suzuki | 1990-08-14 |
| 4917997 | Silver halide photographic emulsion | Haruo Takei | 1990-04-17 |
| 4897343 | Silver halide photographic emulsion | Haruo Takei, Shunichi Aida | 1990-01-30 |
| 4894319 | Color image-forming process for high silver chloride color photographic material having improved spectral sensitivity and silver removability | Tadashi Ogawa, Masaki Okazaki | 1990-01-16 |
| 4884236 | Bloch line memory device | Youzi Maruyama, Ryo Suzuki | 1989-11-28 |
| 4845671 | Bloch line memory device | Youji Maruyama, Teruaki Takeuchi, Ryo Suzuki | 1989-07-04 |
| 4837140 | Color image-forming high silver chloride color photographic material having improved spectral sensitivity and silver removability for use therewith | Tadashi Ogawa | 1989-06-06 |
| 4822726 | Method for formation of color images and high silver chloride color photographic materials having improved spectral sensitivity and desilvering property for use therewith | Tadashi Ogawa, Masaki Okazaki | 1989-04-18 |
| 4817053 | Apparatus for storing and retrieving information using an electron beam | Kazuo Shigematsu, Yasushi Miyauchi, Motoyasu Terao, Tetsuya Nishida, Shinkichi Horigome +2 more | 1989-03-28 |
| 4789626 | Method for processing silver halide color photographic materials containing sensitizing dyes and two-equivalent magenta polymer couplers | Kei Sakanoue, Shinzo Kishimoto | 1988-12-06 |
| 4783398 | Photographic silver halide emulsion containing tabular grains of high chloride content | Shunji Takada, Hiroyuki Mifune | 1988-11-08 |
| 4772817 | Cathode mounting a high-frequency piezoelectric chip | Toshiyuki Aida, Hiroshi Takeuchi, Sumio Hosaka, Shigeyuki Hosoki | 1988-09-20 |