Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5168917 | Casting of dental metals | Reiichi Okuda, Norio Kojima, Kenichi Iiyama, Yasutaro Ito, Shohei Hayashi | 1992-12-08 |
| 5168918 | Casting of dental metals | Reiichi Okuda, Norio Kojima, Kenichi Iiyama, Yasutaro Ito, Shohei Hayashi | 1992-12-08 |
| 4758274 | Dental amalgam alloys containing selenium | Atsushige Sato, Ishi Miura, Yasuhiro Kumei, Osamu Okuno, Tsuyoshi Nakano | 1988-07-19 |
| 4732739 | Amalgam preparing chamber and mercury-capturing device | — | 1988-03-22 |