Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7060127 | Silica-calcium carbonate composite particles | Katsuyuki Tanabe | 2006-06-13 |
| 6991677 | Titanium dioxide-calcium carbonate composite particles | Katsuyuki Tanabe, Takehiko Yoshida | 2006-01-31 |