Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679767 | Purification process of aliphatic polyester | Masatoshi Takagi, Masanobu Ajioka, Akihiro Yamaguchi | 1997-10-21 |
| 5630849 | Dyeing method | Taiji Kameoka, Isamu Kawamura, Isamu Ghoda, Masanobu Ajioka, Keisuke Takuma +1 more | 1997-05-20 |