Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6372832 | Glycol dispersion of inorganic powder, process for producing the same, and polyester composition containing the dispersion | Seiya Shimizu, Kazunori Ohide, Shiro Minayoshi | 2002-04-16 |
| 5494651 | Method for manufacturing monodisperse vaterite type calcium carbonate | Shiro Minayoshi, Minoru Hanazaki, Hidehiko Nishioka, Sakae Kuroda, 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, Minoru Hanazaki, Hidehiko Nishioka, Sakae Kuroda, Masako Takahashi +2 more | 1994-01-04 |