Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8178283 | Method of treating rinsing wastewater from developing apparatus for photosensitive lithographic printing plate, method of development, and developing apparatus | Jun Takeuchi, Hitoshi Tsuru | 2012-05-15 |
| 4927734 | Silver halide photographic light-sensitive material and a process for forming a high contrast photographic image | Shuji Rokutanda, Yasuo Higemitsu, Akiyoshi Tsuchida | 1990-05-22 |