Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250404 | Silver halide photographic material having magnetic recording element | — | 1993-10-05 |
| 5215874 | Silver halide photographic material having magnetic recording member | — | 1993-06-01 |
| 5147768 | Silver halide color photographic material containing magnetic recording element | — | 1992-09-15 |
| 5115422 | Information reproducing apparatus for detecting a reproduced area on a disc | Akihiro Ishikawa, Haruo Isaka | 1992-05-19 |
| 4864553 | Apparatus for controlling rotation of a run length limited code modulated information recording medium | Ryo Akiyama, Shoichi Inatomi, Noriyuki Ema | 1989-09-05 |
| 4708927 | Photographic elements with development inhibitor precursor | Hisashi Okamura, Hiroshi Kawamoto | 1987-11-24 |
| 4701388 | Instant film unit with coloring means | Kazuyuki Yoshimura | 1987-10-20 |
| 4628458 | Method of detecting lift of tool based upon cumulative machining distance | Takeshi Ohta, Tetsuro Yamakage | 1986-12-09 |
| 4584257 | Photographic elements containing naphthylsulfonylethylthio heterocycle developement inhibitor precursor | Hisashi Okamura | 1986-04-22 |
| 4267262 | Color diffusion transfer photographic elements comprising a neutralizing system timing layer | Yukio Karino, Shinji Sakaguchi | 1981-05-12 |
| 4246333 | Development inhibitor precursor and a photographic element containing the same | Yoshiharu Fuseya, Yukio Karino, Katsusuke Endo | 1981-01-20 |