Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8747690 | Quaternary ammonium salt and composition, and electrochemical device | Tetsuo Nishida, Megumi Tornisaki, Masashi Yamamoto, Kazutaka Hirano, Akihiro Nabeshima +3 more | 2014-06-10 |
| 8435916 | Catalyst comprising platinum black and fluorine | Masayoshi Ishida, Shinji Hashiguchi | 2013-05-07 |
| 8366956 | Quaternary ammonium salt and composition, and electrochemical device | Tetsuo Nishida, Megumi Tomisaki, Masashi Yamamoto, Kazutaka Hirano, Akihiro Nabeshima +3 more | 2013-02-05 |
| 8003561 | Fuel cell | Masayoshi Ishida, Shinji Hashiguchi | 2011-08-23 |
| 7875732 | Quaternary ammonium salt, electrolyte, electrolyte, solution and electrochemical device | Tetsuo Nishida, Kazutaka Hirano, Megumi Tomisaki, Hitoshi Tsurumaru, Akihiro Nabeshima +3 more | 2011-01-25 |
| 7834197 | Quaternary ammonium salt, electrolyte, and electrochemical device | Tetsuo Nishida, Megumi Tomisaki, Masashi Yamamoto, Kazutaka Hirano, Akihiro Nabeshima +3 more | 2010-11-16 |
| 7740825 | Method for forming a carbon nanotube aggregate | Kazuyuki Tohji, Yoshinori Satoh, Hirohisa Kikuyama, Masahide Waki, Shinji Hashiguchi | 2010-06-22 |
| 7268256 | Method of purifying quaternary alkyl ammonium salt and quaternary alkyl ammonium salt | Hirohisa Kikuyama, Masahide Waki, Shinji Hashiguchi, Tetsuo Nishida, Kenji Aoki | 2007-09-11 |