Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8940139 | Gas diffusion electrode equipped ion exchange membrane electrolyzer | Kiyohito Asaumi, Yukinori Iguchi, Tomonori Izutsu | 2015-01-27 |
| 8197649 | Ion exchange membrane electrolytic cell | Koji Saiki, Kiyohito Asaumi, Tsugiyoshi Osakabe | 2012-06-12 |
| 7892298 | Method for producing high purity caustic potash | Tsugiyoshi Osakabe, Sei Imayoshi | 2011-02-22 |
| 7569083 | Gas diffusion electrode assembly, bonding method for gas diffusion electrodes, and electrolyzer comprising gas diffusion electrodes | Shinji Katayama, Kiyohito Asaumi, Hiroaki Aikawa, Tsugiyoshi Osakabe, Tatsuhito Kimura +4 more | 2009-08-04 |
| 7404878 | Gas diffusion electrode assembly, bonding method for gas diffusion electrodes, and electrolyzer comprising gas diffusion electrodes | Shinji Katayama, Kiyohito Asaumi, Hiroaki Aikawa, Tsugiyoshi Osakabe, Tatsuhito Kimura +4 more | 2008-07-29 |