Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11777109 | Hydrophilic porous carbon electrode and manufacturing method of same | Kyu OTA, Kazuhiro Sumioka | 2023-10-03 |
| 11437629 | Hydrophilic porous carbon electrode and manufacturing method of same | Kyu OTA, Kazuhiro Sumioka | 2022-09-06 |
| 10727497 | Porous electrode substrate, membrane-electrode assembly using same, and polymer electrolyte fuel cell using same | Makoto Nakamura | 2020-07-28 |
| 9825304 | Porous electrode substrate, method for manufacturing same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell | Kazuhiro Sumioka, Tadao Samejima | 2017-11-21 |
| 9716278 | Porous electrode base material, method for manufacturing same, and precursor sheet | — | 2017-07-25 |
| 9705137 | Porous electrode substrate, method for manufacturing same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell | Kazuhiro Sumioka, Tadao Samejima | 2017-07-11 |