Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |