Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8283088 | Silane crosslinked structure-introduced fuel-cell polymer electrolyte membrane and fuel-cell electrode assembly having the same | Masaru Yoshida, Masaharu Asano, Jinhua Chen, Yasunari Maekawa, Toshimitsu Tachibana +1 more | 2012-10-09 |
| 8241770 | Process or producing hybrid ion-exchange membranes comprising functional inorganics and graft polymer and electrolyte membranes for use in fuel cells comprising the hybrid ion-exchange membranes | Masaru Yoshida, Tetsuya Yamaki, Masaharu Asano, Yousuke Morita, Toshimitsu Tachibana +1 more | 2012-08-14 |
| 8129074 | Crosslinked nano-inorganic particle/polymer electrolyte membrane for membrane electrode assembly | Jinhua Chen, Masaru Yoshida, Masaharu Asano, Tetsuya Yamaki, Toshimitsu Tachibana +1 more | 2012-03-06 |
| 7993793 | Process for producing polymer electrolyte membranes for fuel cells, polymer electrolyte membranes for fuel cells produced by the process, and fuel cell membrane-electrode assemblies using the membranes | Masaru Yoshida, Masaharu Asano, Jinhua Chen, Yasunari Maekawa, Toshimitsu Tachibana +1 more | 2011-08-09 |
| 7919537 | Methods for producing a polymer electrolyte membrane having improved oxidation resistance | Yozo Nagai, Toshimitsu Tachibana, Tetsuya Yamaki, Masaharu Asano, Masaru Yoshida | 2011-04-05 |
| 7803846 | Highly durable polymer electrolytic membrane for a fuel cell having a cross-linked structure | Masaru Yoshida, Masaharu Asano, Tetsuya Yamaki, Toshimitsu Tachibana, Yozo Nagai | 2010-09-28 |
| 7785726 | Process for producing hybrid ion-exchange membranes comprising functional inorganics and graft polymer and electrolyte membranes for use in fuel cells comprising the hybrid ion-exchange membranes | Masaru Yoshida, Tetsuya Yamaki, Masaharu Asano, Yousuke Morita, Toshimitsu Tachibana +1 more | 2010-08-31 |
| 7482388 | Polymer electrolyte membrane having excellent durability | Toshimitsu Tachibana, Yozo Nagai | 2009-01-27 |
| 5824430 | Separator for battery | Hiroyuki Higuchi, Kiichiro Matsushita | 1998-10-20 |
| 5731074 | Porous film and method of producing the same | Hiroyuki Higuchi, Kiichiro Matsushita, Yutaka Kishii, Ryoichi Matsushima | 1998-03-24 |
| 5480745 | Porous film and use of the same | Hiroyuki Higuchi, Kiichiro Matsushita, Ryoichi Matsushima | 1996-01-02 |