Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10944121 | Polymer electrolyte film | Yuichi Inoue, Kuon Miyazaki, Kentaro Kikuchi, Shinichi Chaen, Tomohisa Konishi +1 more | 2021-03-09 |
| 10688448 | Porous body, polymer electrolyte membrane, filter material for filter, and filter unit | Shinichi Chaen, Taku Yamanaka, Kohei Yasuda, Masahiko Yamada, Tomohisa Konishi +3 more | 2020-06-23 |
| 10644339 | Polymer electrolyte membrane | Yuichi Inoue, Kuon Miyazaki, Norihito Tanaka, Kentaro Kikuchi, Shinichi Chaen +2 more | 2020-05-05 |
| 6355135 | Method of laminating gas permeable sheet material | Osamu Inoue, Toshio Kusumi, Jun Asano, Katsutoshi Yamamoto, Osamu Tanaka +1 more | 2002-03-12 |
| 6336948 | Fire-retardant filter medium and air filter unit | Osamu Inoue, Shinichi Chaen, Toshio Kusumi, Jun Asano, Seiichi Hirano +1 more | 2002-01-08 |
| 5834528 | Polytetrafluoroethylene porous composite film | Osamu Tanaka, Katsutoshi Yamamoto, Osamu Inoue, Toshio Kusumi, Shinichi Chaen +1 more | 1998-11-10 |
| 5772884 | Porous polytetrafluoroethylene film and process for preparation thereof | Osamu Tanaka, Toshio Kusumi, Jun Asano, Katsutoshi Yamamoto, Osamu Inoue +2 more | 1998-06-30 |
| 5562986 | Polytetrafluoroethylene fibers, polytetrafluoroethylene materials and process for preparation of the same | Katsutoshi Yamamoto, Osamu Tanaka, Osamu Inoue, Toshio Kusumi, Shinichi Chaen +1 more | 1996-10-08 |
| D366106 | Air filter | Katsutoshi Yamamoto, Osamu Tanaka, Osamu Inoue, Toshio Kusumi, Shinichi Chaen +1 more | 1996-01-09 |
| 5409515 | Filter apparatus and filter element | Katsutoshi Yamamoto, Osamu Tanaka, Osamu Inoue, Toshio Kusumi, Shinichi Chaen +1 more | 1995-04-25 |