Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9468924 | Dispersion composition of fluorine-containing ion exchange resin | Takahiko Murai, Naoki Sakamoto | 2016-10-18 |
| 8993682 | Polyelectrolyte and process for producing the polyelectrolyte | Takahiko Murai, Naoki Sakamoto, Naoto Miyake, Tadashi Ino, Noriyuki Shinoki +3 more | 2015-03-31 |
| 8685591 | Dispersion composition having fluorine-containing ion exchange resin with adjusted particle size abundance ratio | Takahiko Murai, Naoki Sakamoto | 2014-04-01 |
| 8465856 | Solid polymer electrolyte membrane and production method of the same | Yoshinori Yanagita, Naoki Sakamoto, Takehiro Koga | 2013-06-18 |
| 7799452 | Solid polymer electrolyte membrane and production method of the same | Yoshinori Yanagita, Naoki Sakamoto, Takehiro Koga | 2010-09-21 |
| 6323300 | Aromatic copolymer and composition containing the same | Tsuneaki Tanabe, Mitsuo Konishi | 2001-11-27 |