Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660069 | Hydrogen extraction unit | Hiromichi Sato, Satoshi Iguchi, Naoki Ito, Toshihide Nakata | 2003-12-09 |
| 6656617 | Fuel gas production system for fuel cells | Hiromichi Sato, Toshihide Nakata, Satoshi Iguchi | 2003-12-02 |
| 6503852 | Manufacturing process for semiconductor device, photomask, and manufacturing apparatus for semiconductor device | Kunihiro Hosono | 2003-01-07 |