Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12138842 | PTFE porous membrane with a high strength and small pore size | KOHEI MIYAMAE, Kazuo Konabe, Ken Miura | 2024-11-12 |
| 9295931 | Porous polytetrafluoroethylene membrane and air filter medium | Masaaki Mori, Yuri Horie | 2016-03-29 |
| 8449660 | Polytetrafluoroethylene porous membrane, method for producing same, and waterproof air-permeable filter | Akira Sanami | 2013-05-28 |
| 8419839 | Porous polytetrafluoroethylene membrane, method for producing the same, and water-proof air permeable filter | — | 2013-04-16 |
| 4964887 | Process for separating methane using permeable membrane | Michiharu Yamamoto, Akira Shimazu, Akio Iwama | 1990-10-23 |
| 4620900 | Thermopervaporation apparatus | Shoji Kimura, Atsuo Yoshimura | 1986-11-04 |