Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7754844 | Polyarylene ether compound containing sulfonic acid group, composition containing same, and method for manufacturing those | Yoshimitsu Sakaguchi, Kota Kitamura, Shigenori Nagahara, Masahiro Yamashita | 2010-07-13 |
| 7537852 | Composite ion exchange membrane and electrolyte membrane electrode assembly | Shiro Hamamoto, Satoshi Takase, Yoshimitsu Sakaguchi, Shigenori Nagahara, Kota Kitamura +1 more | 2009-05-26 |
| 7288603 | Polybenzazole compound having sulfonic acid group and/or phosphonic acid group, resin composition containing the same, resin molding, solid polymer electrolyte membrane, solid polymer electrolyte membrane/electrode assembly and method of preparing assembly | Yoshimitsu Sakaguchi, Kota Kitamura, Hiroaki Taguchi, Shiro Hamamoto, Hiroshi Tachimori +1 more | 2007-10-30 |