Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683645 | Process of shaping a vessel having a multilayered wall structure | Masahiro Akamatsu, Osamu Tohya | 1997-11-04 |
| 5658514 | Method for producing thermoplastic resin sheet or film | Atsushi Fujii, Akira Funaki | 1997-08-19 |