Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362621 | Direct positive silver halide photographic material and method for forming high contrast positive image using the same | Naoki Obi, Kiyoshi Suematsu, Yasuhiko Kojima, Yasuo Shigemitsu | 1994-11-08 |