Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679767 | Purification process of aliphatic polyester | Hiroshi Suizu, Masatoshi Takagi, Masanobu Ajioka | 1997-10-21 |
| 5677398 | Epoxy acrylate resins and their uses | Toshihiro Motoshima, Akio Karasawa, Keisuke Takuma | 1997-10-14 |
| 5674953 | Method of preventing scale adhesion to surfaces of polymerization tank with phenol-aldehyde coating | Seiichi Masuko, Ichisaburo Nakamura, Keiichi Fukuda, Yasuyuki Hatakeyama, Keizaburo Yamaguchi | 1997-10-07 |
| 5637631 | Preparation process of degradable polymer | Ikumi Kitada, Chojiro Higuchi, Masanobu Ajioka | 1997-06-10 |
| 5630849 | Dyeing method | Taiji Kameoka, Isamu Kawamura, Isamu Ghoda, Masanobu Ajioka, Keisuke Takuma +1 more | 1997-05-20 |
| 5631377 | Polyimide intermediates | Mitsunori Matsuo, Tsutomu Ishida, Akio Karasawa, Keizaburo Yamaguchi | 1997-05-20 |