Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663948 | Additive comprising porous calcium phosphate for synthetic resins, and synthetic resin composition | Shigeo Takiyama, Hidemitsu Kasahara, Shiro Minayoshi | 2003-12-16 |
| 6482881 | Inorganic dispersant, stabilizer for suspension polymerization and polymer particles | Hiroshi Shibata, Yoichi Takahashi, Hidemitsu Kasahara, Shigeo Takiyama | 2002-11-19 |
| 6287530 | Synthetic resin additive and synthetic resin composition containing particles of porous hydroxyapatite | Shigeo Takiyama, Hidehiko Nishioka, Shiro Minayoshi | 2001-09-11 |
| 5976687 | Additive for synthetic resins and a synthetic resin composition | Hidehiko Nishioka, Minoru Hanazaki, Shiro Minayoshi, Shigeo Takiyama | 1999-11-02 |
| 5844022 | Additive for synthetic resins and synthetic resin compositions | Hidehiko Nishioka, Minoru Hanazaki, Shiro Minayoshi, Shigeo Takiyama | 1998-12-01 |
| 5018096 | Security administrator for automatically updating security levels associated with operator personal identification data | — | 1991-05-21 |
| 4995112 | Security system | — | 1991-02-19 |