Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5780211 | Processing composition in the tablet form for silver halide photographic light-sensitive material | Shigeharu Koboshi, Masao Ishikawa | 1998-07-14 |
| 5573895 | Recycling method for photographic processing waste liquid | Masao Ishikawa, Moeko Hagiwara, Kenji Ishida, Hiroshi Yoshimoto, Shinsaku Nagaoka | 1996-11-12 |
| 5552851 | Automatic processing machine for silver halide photographic light-sensitive materials | Shigeharu Koboshi, Masao Ishikawa, Hideo Ishii, Yorikatsu Miyazawa, Yoshifumi Tsubaki +2 more | 1996-09-03 |
| 5460926 | Method for automatically processing silver halide photographic light-sensitive materials using solid processing agent and circulating processing solution between a processing portion and a solid processing agent receiving portion | Shigeharu Koboshi, Masao Ishikawa | 1995-10-24 |
| 5457010 | Solid processing composition for silver halide photographic light-sensitive materials | Wataru Satake | 1995-10-10 |
| 5452045 | Apparatus for processing a light-sensitive silver halide photographic material | Shigeharu Koboshi, Masao Ishikawa, Hideo Ishii, Yorikatsu Miyazawa, Yoshifumi Tsubaki +3 more | 1995-09-19 |
| 5400105 | Automatic processing machine for silver halide photographic light-sensitive materials | Shigeharu Koboshi, Masao Ishikawa, Hideo Ishii, Yorikatsu Miyazawa, Yoshifumi Tsubaki +2 more | 1995-03-21 |
| 5351103 | Automatic developing machine for silver halide photographic light-sensitive materials | Shigeharu Koboshi, Masao Ishikawa | 1994-09-27 |
| 5028517 | Processing method of silver halide photographic light-sensitive material | Satoru Kuse, Masao Ishikawa, Shigeharu Koboshi | 1991-07-02 |
| 4304977 | Flash welding apparatus | Satoshi Hanai, Akiyoshi Uomori, Toshihiko Baba, Takao Kawanami | 1981-12-08 |
| 4205214 | Apparatus for machining flash and upset material formed in flash welding operation | Takao Suzuki, Akimichi Takeda, Toshihiko Baba | 1980-05-27 |