Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7585930 | Method of decomposing a polycarbonate | Masumi Hirata, Tetsuo Ban, Toru Sawaki | 2009-09-08 |
| 7517832 | Fibrous active carbon and nonwoven fabric including the same | Hiroshi Sakurai, Masumi Hirata, Toru Sawaki | 2009-04-14 |