Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4911759 | Dental gypsum compositions in low-dusting powdery form | Hiroshi Kamohara, Shunichi Futami | 1990-03-27 |
| 4909847 | Dental investment compositions in low-dusting powdery form | Hiroshi Kamohara, Shunichi Futami | 1990-03-20 |
| 4814011 | Investments for dental casting | Hiroshi Kamohara, Shohei Hayashi | 1989-03-21 |
| 4647311 | Gypsum composition for denture investment | Koji Ohno, Satoshi Tosaki | 1987-03-03 |
| 4604142 | Investments for dental casting | Hiroshi Kamohara, Shohei Hayashi | 1986-08-05 |
| 4550030 | Method for strengthening dental restorative material | Koji Ohno, Hiroshi Kamohara | 1985-10-29 |
| 4546006 | Method for strengthening porcelain tooth | Koji Ohno, Syohei Hayashi | 1985-10-08 |
| 4526619 | Gypsum composition for denture investment | Koji Ohno, Satoshi Tosaki | 1985-07-02 |