Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828273 | High activity photo-catalyst | Jun Tanaka, Masayuki Sanbayashi, Yoshinori Ueyoshi | 2004-12-07 |
| 6683023 | Photocatalytic powder and polymer composition | Katsura Ito | 2004-01-27 |