Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873087 | Suppository preparation having excellent absorption property | Masataka Morishita, Renji Aikawa, Shigeo Katsuragi, Yoshiaki Yamamoto | 1989-10-10 |
| 4803258 | Thermoplastic aromatic polyether-pyridine and process for preparing same | Keizaburo Yamaguchi, Hideaki Oikawa, Masahiro Ohta, Akihiro Yamaguchi | 1989-02-07 |