Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703179 | Method for producing polyesters | Ryosuke Asakura, Hirohito Nagaiwa | 1997-12-30 |
| 4609680 | Process for the depolymerization of polyester scrap | Akiharu Fujita, Minako Sato | 1986-09-02 |