Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4769183 | Stabilization of azulene derivatives | Masanobu Kawamata, Koichi Ushimaru, Hiroyuki Goshi | 1988-09-06 |
| 4533552 | Stabilization of azulene derivatives | Masanobu Kawamata, Koichi Ushimaru, Hiroyuki Goshi | 1985-08-06 |