Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898807 | Method for forming direct positive color image using an N-hydroxy alkyl-substituted-P-phenyldiamine derivative at elevated temperatures for a short period of time | Kazuhiro Kobayashi, Shigeharu Koboshi | 1990-02-06 |
| 4814260 | Method of storing photographic processing solution in a package having specific oxygen permeability | Shigeharu Koboshi, Masahiko Kon | 1989-03-21 |
| 4797351 | Method for processing silver halide color photographic materials | Masao Ishikawa, Shigeharu Koboshi, Satoru Kuse | 1989-01-10 |
| 4791013 | Housing pack for photographic processing solution | Shigeharu Koboshi, Kazuhiro Kobayashi, Syozo Aoki, Naoki Takabayashi | 1988-12-13 |
| 4780737 | Automatic processing machine for light-sensitive color photographic material | Kazuhiro Kobayashi, Shigeharu Koboshi, Satoru Kuse, Masayuki Kurematsu | 1988-10-25 |
| 4705377 | Automatic processing machine for light-sensitive color photographic material | Kazuhiro Kobayashi, Shigeharu Koboshi, Satoru Kuse, Masayuki Kurematsu | 1987-11-10 |
| 4705378 | Automatic processing machine for photography | Kazuhiro Kobayashi, Satoru Kuse, Masayuki Kurematsu, Shigeharu Koboshi | 1987-11-10 |
| 4705379 | Automatic processing machine for photography | Kazuhiro Kobayashi, Shigeharu Koboshi, Satoru Kuse, Masayuki Kurematsu, Makoto Uchida | 1987-11-10 |
| 4444871 | Method for forming a direct positive color image | Shigeharu Koboshi | 1984-04-24 |