Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699605 | Glass ceramic laminate becoming relatively high in bending strength after fired | Yoshio Umayahara, Yoshikatsu Nishikawa | 2004-03-02 |
| 6410633 | Antibacterial glass and resin composite comprising the same | Hajime Hikata, Toshio Yamanaka | 2002-06-25 |
| 5346863 | Low temperature sealing composition | Hajime Hikata, Kumi Tanaka | 1994-09-13 |