Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617017 | Firing jig for electronic element | Masashi Morisasa | 2003-09-09 |
| 6156687 | Jig for use in firing of ferrite-made product | — | 2000-12-05 |
| 5618762 | Light-weight antibacterial ceramic and antibacterial ceramic filter | Hiroshi Shirakawa, Osamu Yamakawa, Kiminori Atsumi | 1997-04-08 |