Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7972743 | Membrane electrode assembly, method for producing the same, and solid state polymer fuel cell | Minoru Umeda, Akifumi Yamada | 2011-07-05 |
| 7960070 | Electrocatalyst for ethanol oxidation and direct ethanol fuel cell using the same | Minoru Umeda, Hiroyuki Ojima | 2011-06-14 |