Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5260185 | Concentrated color developer composition for silver halide photographic light-sensitive materials | Mitsuhiko Uno, Masaaki Furuya | 1993-11-09 |
| 5089097 | Electrolytic method for recovering silver from waste photographic processing solutions | Nobutaka Goto, Shigeharu Koboshi, Yoshiyuki Makida | 1992-02-18 |
| 5057191 | Processing method or photographic processing waste liquor | Masayuki Kurematsu, Shigeharu Koboshi, Nobutaka Goto | 1991-10-15 |
| 5043756 | Automatic developing apparatus for a photosensitive material | Shigeharu Koboshi, Nobutaka Goto, Masayuki Kurematsu | 1991-08-27 |
| 5015560 | Method of treating photographic waste | Shigeharu Koboshi, Kazuhiro Kobayashi, Syozo Aoki | 1991-05-14 |
| 5011571 | Method for treating photographic process waste liquor through concentration by evaporation and apparatus therefor | Kazuhiro Kobayashi, Shigeharu Koboshi, Nobutaka Goto, Masayuki Kurematsu | 1991-04-30 |
| 5004522 | Method of treating photographic process waste liquor through concentration by evaporation | Shigeharu Koboshi, Kazuhiro Kobayashi, Nobutaka Goto, Masayuki Kurematsu | 1991-04-02 |
| 4985118 | Method for treating photographic process waste liquor through concentration by evaporation | Masayuki Kurematsu, Shigeharu Koboshi, Kazuhiro Kobayashi | 1991-01-15 |
| 4959122 | Apparatus for treating photographic process waste liquor | Masayuki Kurematsu, Shigeharu Koboshi, Nobutaka Goto | 1990-09-25 |
| 4874530 | Method for treating photographic processing waste solution | Kazuhiro Kobayashi, Masayuki Kurematsu, Shigeharu Koboshi, Nobutaka Goto | 1989-10-17 |
| 4791013 | Housing pack for photographic processing solution | Shigeharu Koboshi, Kazuhiro Kobayashi, Kazuyoshi Miyaoka, Syozo Aoki | 1988-12-13 |