Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794460 | Production process and use for transparent heat-resistant resin | Hideo Asano | 2004-09-21 |
| 6730709 | Biodegradable recycled polyester resin and production process therefor | Hiroshi Itoh | 2004-05-04 |