Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756421 | Dental glass ionomer cement composition | Kaori Okada, Toshihiro Sekiguchi, Kazuo Hirota | 2004-06-29 |
| 6136737 | Glass powder for dental glass ionomer cement | Michiko Hirasawa, Shinichi Kato | 2000-10-24 |