Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8449660 | Polytetrafluoroethylene porous membrane, method for producing same, and waterproof air-permeable filter | Shunichi Shimatani | 2013-05-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8449660 | Polytetrafluoroethylene porous membrane, method for producing same, and waterproof air-permeable filter | Shunichi Shimatani | 2013-05-28 |