Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487427 | Dielectric resonator, dielectric filter, dielectric duplexer, and communications device having specific dielectric and superconductive compositions | Yuji Kintaka, Hiroshi Tamura, Akio Oota | 2002-11-26 |
| 6380115 | High-frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer, and communication apparatus | Tatsuya Ishikawa, Hitoshi Takagi, Hiroshi Tamura | 2002-04-30 |
| 6369669 | Rare-earth ceramic filter | Hitoshi Takagi | 2002-04-09 |