Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6407156 | Photocatalytic titanium dioxide powder, process for producing same, and applications thereof | Hiroyuki Hagihara | 2002-06-18 |
| 6383980 | Photocatalytic titanium dioxide powder, process for producing same, and applications thereof | Hiroyuki Hagihara | 2002-05-07 |