Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8784963 | Branched polycarbonate | Hiroshi Hachiya | 2014-07-22 |
| 6747080 | Polycarbonate resin composition for the production of a substrate for an optical information medium | Hiroshi Hachiya | 2004-06-08 |