Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9815971 | Heavy calcium carbonate, production method therefor, and resin composition containing said calcium carbonate | Shoji Ehara, Hisakazu Hojo | 2017-11-14 |
| 8138253 | Filler for powder coating material and powder coating composition containing the same | Nariatsu Uto, Takanobu Sakai | 2012-03-20 |