Issued Patents All Time
Showing 51–75 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5187042 | Silver halide photographic material | Hisashi Okamura, Hisashi Okada, Nobuaki Inoue, Toshiro Takahashi, Morio Yagihara +1 more | 1993-02-16 |
| 5175074 | Silver halide photographic materials | Morio Yagihara | 1992-12-29 |
| 5155006 | Silver halide photographic material | Takahiro Goto | 1992-10-13 |
| 5147755 | Silver halide photographic material | Hisashi Okada | 1992-09-15 |
| 5147754 | Silver halide photographic material | Hisashi Okamura, Hisashi Okada, Morio Yagihara | 1992-09-15 |
| 5145765 | Silver halide photographic material | Hisashi Okamura | 1992-09-08 |
| 5134055 | Silver halide photographic materials | Hisashi Okamura, Hisashi Okada, Morio Yagihara, Keiji Mihayashi | 1992-07-28 |
| 5124230 | Silver halide photographic material | Hisashi Okamura, Morio Yagihara | 1992-06-23 |
| 5124231 | Silver halide photographic material | Minoru Sakai | 1992-06-23 |
| 5102779 | Method for processing silver halide photographic materials, and developer and silver halide photographic material used therein | Tetsuro Kojima, Eiichi Okutsu | 1992-04-07 |
| 5100761 | Silver halide photographic materials | Morio Yagihara, Hisashi Okada, Noriyuki Inoue, Shingo Nishiyama, Tetunori Matushita | 1992-03-31 |
| 5093222 | Silver halide photographic materials | — | 1992-03-03 |
| 5085971 | Silver halide photographic materials | Morio Yagihara | 1992-02-04 |
| 5075198 | Silver halide photographic material | — | 1991-12-24 |
| 5064752 | Silver halide photographic materials | Kozo Sato, Keisuke Shiba | 1991-11-12 |
| 5061594 | High contrast silver halide material containing novel hydrazine nucleating agent | Hisashi Okamura | 1991-10-29 |
| 5030547 | Silver halide photographic material | Morio Yagihara | 1991-07-09 |
| 5017456 | Silver halide photographic material | Hisashi Okamura | 1991-05-21 |
| 5006445 | Silver halide photographic material | Morio Yagihara, Hisashi Okada | 1991-04-09 |
| 5004674 | Silver halide photosensitive material | Keiichi Adachi, Kouichi Kawamura | 1991-04-02 |
| 4987052 | Silver halide photographic material and method for forming superhigh contrast negative images using the same | Shigeo Hirano, Yoshio Inagaki, Nobuaki Inoue | 1991-01-22 |
| 4985338 | Silver halide photographic material | Minoru Sakai, Jiro Yamaguchi, Hisashi Okada, Tomokazu Yasuda, Masaki Satake | 1991-01-15 |
| 4977062 | Silver halide photographic materials | Morio Yagihara, Hisashi Okada, Nobuaki Inoue | 1990-12-11 |
| 4971890 | Silver halide photographic material | Hisashi Okada | 1990-11-20 |
| 4971888 | Silver halide photographic material | Hisashi Okada, Morio Yagihara | 1990-11-20 |