Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663948 | Additive comprising porous calcium phosphate for synthetic resins, and synthetic resin composition | Shigeo Takiyama, Mitsunobu Aoyama, Hidemitsu Kasahara | 2003-12-16 |
| 6372832 | Glycol dispersion of inorganic powder, process for producing the same, and polyester composition containing the dispersion | Naofumi Saito, Seiya Shimizu, Kazunori Ohide | 2002-04-16 |
| 6287530 | Synthetic resin additive and synthetic resin composition containing particles of porous hydroxyapatite | Mitsunobu Aoyama, Shigeo Takiyama, Hidehiko Nishioka | 2001-09-11 |
| 6254905 | Food additive slurry or powder composition and food composition containing same and method of making | Hisakazu Hojo, Naoki Kubota | 2001-07-03 |
| 5976687 | Additive for synthetic resins and a synthetic resin composition | Hidehiko Nishioka, Minoru Hanazaki, Shigeo Takiyama, Mitsunobu Aoyama | 1999-11-02 |
| 5844022 | Additive for synthetic resins and synthetic resin compositions | Hidehiko Nishioka, Minoru Hanazaki, Shigeo Takiyama, Mitsunobu Aoyama | 1998-12-01 |
| 5494651 | Method for manufacturing monodisperse vaterite type calcium carbonate | Naofumi Saito, Minoru Hanazaki, Hidehiko Nishioka, Sakae Kuroda, Masako Takahashi +2 more | 1996-02-27 |
| 5288784 | Polyester composition containing vaterite-type calcium carbonate | — | 1994-02-22 |
| 5275651 | Monodisperse vaterite type calcium carbonate, its manufacturing method and method of controlling growth of particles and shape thereof | Naofumi Saito, Minoru Hanazaki, Hidehiko Nishioka, Sakae Kuroda, Masako Takahashi +2 more | 1994-01-04 |
| 5085800 | Glycol dispersion of precipitated calcium carbonate | Naofumi Saitoh, Toshio Higashi, Noritsugu Ebisuya | 1992-02-04 |
| 5000871 | Gycol dispersion of calcium carbonate | Naofumi Saitoh, Toshio Higashi, Noritsugu Ebisuya | 1991-03-19 |
| 4725318 | Filler for paper-making and neutral paper-making process by the use thereof | Naofumi Saitoh, Minoru Hanazaki, Hiroyuki Hisakuni, Noritsugu Ebisuya | 1988-02-16 |