Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350782 | Dental filling composition | Hiroyuki Sasaki, Tetsuro Ota, Eiji Hattori | 1994-09-27 |
| 5114881 | Process for producing a ceramic preform | Tsugio Kaneko, Tsuneo Kimura, Akira Utsunomiya, Yuka Ohno | 1992-05-19 |