Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017101 | Precipitated calcium carbonate, method for producing the same and filler for loading paper using the same | Kazuo Yamashita, Kazuhisa Shimono, Tatsuo Takano | 2011-09-13 |