Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8288058 | Binder for fuel cell, composition for forming electrode, electrode, and fuel cell using the electrode | Junichi Ishikawa, Takehiko Omi, Satoko Fujiyama, Kuniyuki Takamatsu, Shoji Tamai | 2012-10-16 |
| 7217780 | Polyether ketone and method of producing the same | Takashi Kuroki, Takaharu Abe, Akira Hasegawa, Kuniyuki Takamatsu, Yoshiteru Taniguchi +4 more | 2007-05-15 |
| 5977277 | Acrylic ester, novel allyl ether, novel allyl carbonate, acrylic ester polymer, allyl ether polymer, allyl carbonate polymer and polymeric solid electrolyte | Keiichi Yokoyama, Takako Sasano, Akio Hiwara, Satoko Mita, Masayoshi Watanabe | 1999-11-02 |
| 5925283 | Ionically conductive polymeric gel electrolyte and solid battery containing the same | Masahiro Taniuchi, Tomohiro Inoue, Toshiyuki Ohsawa, Keiichi Yokoyama, Akio Hiwara | 1999-07-20 |
| 5922888 | Process for removal of diol as impurity in cyclic carbonic acid ester | Akio Hiwara, Keiichi Yokoyama | 1999-07-13 |
| 5580684 | Non-aqueous electrolytic solutions and non-aqueous electrolyte cells comprising the same | Keiichi Yokoyama, Shigeru Fujita, Akio Hiwara, Yoshiaki Naruse, Atsuo Omaru | 1996-12-03 |