Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478987 | Proton conducting polymer, method for producing the same, solid polymer electrolyte and electrode | Hiroshi Akita, Masao Ichikawa, Hiroyuki Oyanagi | 2002-11-12 |
| 6465120 | Composite polymer membrane, method for producing the same and solid polymer electrolyte membrane | Hiroshi Akita, Masao Ichikawa, Hiroyuki Oyanagi | 2002-10-15 |