Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11186699 | Calcium carbonate filler for resins, and resin composition containing same | Kazuya Yamamoto | 2021-11-30 |
| 9926428 | Calcium carbonate filler for resin and resin composition including said filler | Kouhei Sako | 2018-03-27 |
| 9815953 | Calcium carbonate filler for resin, and resin composition containing said filler | Shigeo Takiyama | 2017-11-14 |
| 9018278 | Surface treated calcium carbonate filler for resin and resin composition containing the filler | Makoto Nagamatsu, Kouhei Sako, Hisakazu Hojo | 2015-04-28 |
| 8975322 | Calcium carbonate filler for resin, process for producing the same, and resin composition containing the filler | Kouhei Sako, Tomonori Kosaka, Homare Kudo, Shigeo Takiyama, Hisakazu Kojo | 2015-03-10 |
| 7977410 | Fine pore formation agent for porous resin film and composition containing the same for porous resin film | Makoto Nagamatsu, Seiya Shimizu, Hisakazu Hojo | 2011-07-12 |
| 7341704 | Surface-treated calcium carbonate, method for production thereof and resin composition comprising said calcium carbonate | Yuusuke Hayashi, Yoichi Takahashi, Seiya Shimizu, Shigeo Takiyama, Katsunori Fukumoto | 2008-03-11 |
| 6663948 | Additive comprising porous calcium phosphate for synthetic resins, and synthetic resin composition | Shigeo Takiyama, Mitsunobu Aoyama, Shiro Minayoshi | 2003-12-16 |
| 6482881 | Inorganic dispersant, stabilizer for suspension polymerization and polymer particles | Hiroshi Shibata, Yoichi Takahashi, Mitsunobu Aoyama, Shigeo Takiyama | 2002-11-19 |