Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11421327 | Water electrolysis method and water electrolysis device | Yoshitsugu Sone, Masato Sakurai, Naoki Sato, Hirohisa Umemoto, Tetsuya Yoshida +1 more | 2022-08-23 |
| 9358507 | Composite membrane | Keita Hirai | 2016-06-07 |
| 8685588 | Membrane electrode assembly, method for producing the same, and solid polymer fuel cell using the same | Hideki Yamada, Youichi Suzuki | 2014-04-01 |
| 8475970 | Fluoroesin-coated polymer film for reinforcing polymer electrolyte membrane, reinforced polymer electrolyte membrane, and membrane electrode assembly | Hideki Yamada, Shizu Okazaki | 2013-07-02 |
| 5445739 | Composite membrane that includes a separation membrane | Mari Sakai | 1995-08-29 |
| 5130024 | Hydrophilic porous fluoropolymer membrane | Mari Sakai, Katsuhiko Morishita, Kazuya Morimoto | 1992-07-14 |
| 5116663 | Ceramic substrate material containing an amorphous fluorine resin | Sunao Fukutake, Rie Egashira | 1992-05-26 |