Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483399 | Duplexer and communication apparatus with first and second filters, the second filter having plural switch selectable saw filters | — | 2002-11-19 |
| 6414566 | Frequency-characteristics variable filter, duplexer, and communication apparatus | — | 2002-07-02 |
| 6411176 | Voltage-controlled duplexer and communication apparatus | Kikuo Tsunoda | 2002-06-25 |
| 6369668 | Duplexer and communication apparatus including the same | Nobuyoshi Honda | 2002-04-09 |
| 6351195 | High frequency circuit device, antenna-sharing device, and communication apparatus having spaced apart ground electrodes | Nobuyoshi Honda, Hajime Suemasa | 2002-02-26 |