Michiaki Ota

Resonator, filter, duplexer, and communication device

High frequency low loss electrode having laminated main and sub conductors

Filter, duplexer, and communication device

Continuous transmission line with branch elements, resonator, filter, duplexer, and communication apparatus formed therefrom

High frequency low loss electrode

High frequency low loss electrode with main and sub conductors

Resonator, filter and duplexer having spirally arranged conductive lines

Transmission line, resonator, filter, duplexer, and communication apparatus

Resonator, resonator, resonator, filter, duplexer, and communication device

Resonator filter and duplexer