Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9926428 | Calcium carbonate filler for resin and resin composition including said filler | Hidemitsu Kasahara | 2018-03-27 |
| 9018278 | Surface treated calcium carbonate filler for resin and resin composition containing the filler | Makoto Nagamatsu, Hidemitsu Kasahara, Hisakazu Hojo | 2015-04-28 |
| 8975322 | Calcium carbonate filler for resin, process for producing the same, and resin composition containing the filler | Hidemitsu Kasahara, Tomonori Kosaka, Homare Kudo, Shigeo Takiyama, Hisakazu Kojo | 2015-03-10 |