Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018196 | DC power source with fuel cell and electric power storage device | Tetsuhiro Ishikawa, Nobuo Watanabe, Kouta Manabe | 2011-09-13 |
| 7911632 | Image formation apparatus and image formation system | Hiroshi Iwamoto, Eiichi Yoshida, Shoji Imaizumi, Masaaki Saka | 2011-03-22 |