Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4626514 | Good aesthetic artificial dental materials by calcium phosphate glass-ceramic | Akira Watanabe, Yoshimitsu Takeuchi, Seiji Kihara, Yasuhiro Makino, Keiji Kamegawa | 1986-12-02 |