Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7981571 | Polymer electrolyte fuel cell | Yoichiro Tsuji, Yasuhiro Ueyama, Makoto Uchida | 2011-07-19 |
| 7887953 | Positive electrode for alkaline storage battery | Haruya Nakai, Toru Inagaki, Masayuki Saito | 2011-02-15 |