Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4680381 | Process for isolating polymer | Masahiro Asada | 1987-07-14 |
| 4474936 | Polyesteramide and process for preparing the same | Kazuya Yonezawa, Masahiro Asada, Hiroshi Iwakiri | 1984-10-02 |