Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5494651 | Method for manufacturing monodisperse vaterite type calcium carbonate | Shiro Minayoshi, Naofumi Saito, Minoru Hanazaki, Hidehiko Nishioka, Masako Takahashi +2 more | 1996-02-27 |
| 5275651 | Monodisperse vaterite type calcium carbonate, its manufacturing method and method of controlling growth of particles and shape thereof | Shiro Minayoshi, Naofumi Saito, Minoru Hanazaki, Hidehiko Nishioka, Masako Takahashi +2 more | 1994-01-04 |