Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012443 | Spherical calcium carbonate and method of producing the same | Kazuo Yamashita | 2011-09-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012443 | Spherical calcium carbonate and method of producing the same | Kazuo Yamashita | 2011-09-06 |