Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5233089 | Enamine derivatives | Yasuo Katsuya, Takayuki Akimoto, Yoshii Morishita, Akira Kageyama, Shigeru Hayashida | 1993-08-03 |
| 4954406 | Electrophotographic plate including an undercoating layer having a smooth surface | Keiichi Endo, Akira Kageyama, Yasuo Katsuya, Chihiro Kato, Masato Fukasawa +1 more | 1990-09-04 |