Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7927886 | Hazardous substance removing method, hazardous substance removing material used therein such as air filter, mask, wipe sheet, and the like, and storage method thereof | Satoshi Ozawa | 2011-04-19 |