Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7439828 | Tunable filter, duplexer and communication apparatus | — | 2008-10-21 |
| 7332987 | Multimode dielectric resonator device, dielectric filter, composite dielectric filter and communication apparatus | Jun Hattori | 2008-02-19 |
| 6833776 | Dielectric resonator, dielectric filter, dielectric duplexer, and communication device | Nobuyuki Sakai | 2004-12-21 |
| 6429164 | High frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer, and communication system | Nobuyuki Sakai, Hitoshi Takagi | 2002-08-06 |
| 6304157 | High-frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer, and communication apparatus | Hiroshi Tamura | 2001-10-16 |