Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9085664 | Polyvinyl alcohol film, and polarizing film and polarizing plate using the same | Hideki Oono, Akihiko Chigami | 2015-07-21 |
| 8722243 | Material for use as electrolyte, lithium secondary battery electrolyte, lithium secondary battery employing the same, and novel lithium salt | Ryouta Tatsumi, Yasuhiro Aoki, Seiji Maeda, Mio Miyano | 2014-05-13 |
| 7674518 | Polyvinyl alcohol film and polarizing film and polarizing plate using the same | Syuichi Kitamura, Yukari Nishimoto, Akihiko Chigami | 2010-03-09 |