Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4537824 | Magnetic recording medium | Masao Asano, Kazumasa Matsumoto, Hideki Murata, Toshihiko Sato, Kenji Watanabe | 1985-08-27 |
| 4490459 | Multi-layered color photo-sensitive material | Toshifumi Iijima, Kaoru Onodera | 1984-12-25 |
| 4370410 | Silver halide color photosensitive material | Toshifumi Iijima, Kaoru Onodera | 1983-01-25 |
| 4368257 | Method for forming a cyan dye image | Yasushi Usagawa, Osamu Sasaki, Katsumi Matsuura | 1983-01-11 |
| 4362810 | Method for forming a cyan dye image | Yasushi Usagawa, Osamu Sasaki, Katsumi Matsuura | 1982-12-07 |
| 4314023 | Photographic silver halide materials containing yellow coupler | Tamotsu Kojima, Hiroyuki Imamura, Mitsuto Fujiwhara, Takaya Endo | 1982-02-02 |
| 4304844 | Method for forming a cyan dye image | Yasushi Usagawa, Osamu Sasaki, Katsumi Matsuura | 1981-12-08 |
| 4304845 | Silver halide photographic materials containing photographic yellow coupler | Shui Sato, Tamotsu Kojima, Shigemasa Itoh, Takaya Endo | 1981-12-08 |
| 4299914 | Method for forming a cyan dye image | Yasushi Usagawa, Osamu Sasaki, Katsumi Matsuura | 1981-11-10 |