Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9162185 | Ion-exchange membrane | Nobuhiko Ohmura, Kazuo Mizuguchi, Kazunori Nishio | 2015-10-20 |
| 8980070 | Bipolar membrane and method of manufacturing the same | Kazunori Nishio, Kazuo Mizuguchi, Minoru Kawashima | 2015-03-17 |
| 8530018 | Ion exchanger and method of producing the same | Kazunori Nishio, Eiji Asada, Masayuki Adachi | 2013-09-10 |
| 6830671 | Ion-exchange membrane | Minoru Kawashima | 2004-12-14 |