| 8399148 |
Varnish for a solid polymer fuel cell |
Makoto Higami, Yoshitaka Yamakawa, Nagayuki Kanaoka, Kaoru Fukuda, Ryoichiro Takahashi +1 more |
2013-03-19 |
| 8043762 |
Polyphenylene-containing electrode paste |
Makoto Higami, Yoshitaka Yamakawa, Nagayuki Kanaoka, Kaoru Fukuda, Ryoichiro Takahashi +1 more |
2011-10-25 |
| 7906608 |
Nitrogenated aromatic compound, process for production of the same, polymer, and proton conductive membrane |
Makoto Higami, Yoshitaka Yamakawa |
2011-03-15 |
| 7163988 |
Aromatic sulfonic acid ester derivative, polyarylene, polyarylene having sulfonic acid group and process for producing the same, and polymer solid electrolyte and proton-conductive membrane |
Masayuki Takahashi, Kohei Goto, Yousuke Konno, Toshihiro Ohtsuki, Yoshitaka Yamakawa +1 more |
2007-01-16 |
| 6812290 |
Polyarylene copolymers and proton-conductive membrane |
Kohei Goto, Yoshitaka Yamakawa, Mayumi Kakuta |
2004-11-02 |
| 6555626 |
Polyarylene copolymers and proton-conductive membrane |
Kohei Goto, Yoshitaka Yamakawa, Mayumi Kakuta |
2003-04-29 |
| 6300465 |
Process for producing phenylene-containing polymer and film-forming material |
Toshiyuki Akiike, Tadahiro Shiba, Keiji Konno, Kohei Goto |
2001-10-09 |
| 6084053 |
Electronic part and process for manufacturing the same |
Minoru Matsubara, Yasutake Inoue, Mayumi Kakuta, Kohei Goto |
2000-07-04 |
