Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161787 | High-purity calcium carbonate sintered body and production method thereof, and high-purity calcium carbonate porous sintered body and production method thereof | Masahiko Tajika, Hidero Unuma, Jun Ito | 2021-11-02 |
| 11097987 | Production method of calcium carbonate porous sintered body | Masahiko Tajika, Shunzo Shimai | 2021-08-24 |