Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818659 | Silver halide photographic materials for photochemical process which can be used in a bright room | Toshiro Takahashi, Ken-ichi Kuwabara, Masahiro Okada | 1989-04-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818659 | Silver halide photographic materials for photochemical process which can be used in a bright room | Toshiro Takahashi, Ken-ichi Kuwabara, Masahiro Okada | 1989-04-04 |