Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6063539 | Image recording medium and image recording method | Junichi Yamanouchi, Atsuhiko Ohkawa | 2000-05-16 |
| 5354891 | Method of producing aromatic amine derivatives | — | 1994-10-11 |
| 5326680 | Silver halide color photographic light-sensitive material | Atsuhiro Ohkawa, Keiji Mihayashi | 1994-07-05 |