Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7147950 | Liquid fuel-housing tank for fuel cell and fuel cell | Masahiro Takashita, Hiroyasu Sumino | 2006-12-12 |
| 7125822 | Fuel cell catalyst and fuel cell | Yoshihiko Nakano, Wu Mei, Shinichi Onodera, Seiichi Suenaga, Hideyuki Ohzu | 2006-10-24 |
| 6506513 | Liquid fuel-housing tank for fuel cell and fuel cell | Masahiro Takashita, Hiroyasu Sumino | 2003-01-14 |
| 6384321 | Electrolyte composition, photosensitized solar cell using said electrolyte composition, and method of manufacturing photosensitized solar cell | Satoshi Mikoshiba, Hiroyasu Sumino, Shuji Hayase | 2002-05-07 |
| 6310282 | Photovoltaic conversion element and a dye-sensitizing photovoltaic cell | Masatoshi Sakurai, Katsuyuki Naito, Akihiro Horiguchi, Hiroyasu Sumino | 2001-10-30 |