Toru Yamada

Equivalent material constant calculation system, storage medium storing an equivalent material constant calculation program, equivalent material constant calculation method, design system, and structure manufacturing method

3-frequency branching circuit, branching circuit and radio communication equipment

Laminated dielectric filter, and antenna duplexer and communication equipment using the same

Electromagnetic wave analysis apparatus and design support apparatus

Multilayer electronic component and communication apparatus and method

Equivalent material constant calculation system, storage medium storing an equivalent material constant calculation program, equivalent material constant calculation method, design system, and structure manufacturing method

High frequency switch and high frequency radio communication apparatus

Laminated filter with a single shield conductor, integrated device, and communication apparatus

Surface acoustic wave filter, balanced type filter and communication device

In-band-flat-group-delay type dielectric filter and linearized amplifier using the same

RF device and communication apparatus using the same

Diplexer, and high-frequency switch and antenna duplexer using the same

Method for manufacturing dielectric laminated device

High-frequency switch, laminated high-frequency switch, high-frequency radio unit, and high-frequency switching method

Surface acoustic wave filter, balanced type filter and communication device

High frequency switch, two-band type high frequency switch, three-band type high frequency switch, and mobile communication equipment

High-frequency switch, laminated high-frequency switch, high-frequency radio unit, and high-frequency switching method