Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835688 | Photocatalytic material, photocatalyst, photocatalytic article, and method for the preparation thereof | Takeshi Morikawa, Ryoji Asahi, Yasunori Taga | 2004-12-28 |
| 6794065 | Photocatalytic material and photocatalytic article | Takeshi Morikawa, Ryoji Asahi, Yasunori Taga | 2004-09-21 |
| 6743749 | Photocatalyst | Takeshi Morikawa, Takahiro Shiga, Ryoji Asahi, Yasunori Taga | 2004-06-01 |