Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10186725 | Polymer electrolyte composition and polymer electrolyte membrane, polymer electrolyte membrane with catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell each using the same | Hiroaki Umeda, Daisuke Izuhara, Jing Li, Yunsong Yang, Keping Wang | 2019-01-22 |
| 9748593 | Polymer electrolyte composition, and polymer electrolyte membrane, membrane electrode complex and solid polymer-type fuel cell each produced using same | Tomoyuki Kunita, Daisuke Izuhara, Naoki Shimoyama, Hiroaki Umeda | 2017-08-29 |