Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828882 | Multi-spiral element, resonator, filter, duplexer, and high-frequency circuit device | Seiji Hidaka, Yasuo Fujii | 2004-12-07 |
| 6781487 | Multimode dielectric resonator device, dielectric filter, composite dielectric filter, synthesizer, distributor, and communication device | Jun Hattori, Norihiro Tanaka, Toru Kurisu | 2004-08-24 |