Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835688 | Photocatalytic material, photocatalyst, photocatalytic article, and method for the preparation thereof | Takeshi Morikawa, Ryoji Asahi, Takeshi Ohwaki | 2004-12-28 |
| 6794065 | Photocatalytic material and photocatalytic article | Takeshi Morikawa, Ryoji Asahi, Takeshi Ohwaki | 2004-09-21 |
| 6743749 | Photocatalyst | Takeshi Morikawa, Takahiro Shiga, Ryoji Asahi, Takeshi Ohwaki | 2004-06-01 |
| 6680277 | Photocatalytic susbstance | Takeshi Morikawa, Tadashi Nakamura, Yoshiaki Fukushima | 2004-01-20 |