Inventor

HIRATSUKA TOSHIRO

JP48 patents

⚠️ This page may combine multiple inventors who share the name “HIRATSUKA TOSHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HIRATSUKA TOSHIRO

MURATA MANUFACTURING CO

Dielectric resonator apparatus

Dielectric filter

Planar dielectric line and integrated circuit using the same line

Dielectric resonator and filter utilizing a non-radiative dielectric waveguide device

Dielectric resonator and filter utilizing a nonradiative dielectric waveguide device

Dielectric filter having impedance changing means coupling adjacent resonators

Dielectric material coaxial resonator with improved resonance frequency adjusting mechanism

Transmission line assembly, integrated circuit, and transmitter-receiver apparatus comprising a dielectric waveguide protuding for a dielectric plate

Dielectric filter, duplexer, and communication device

Sector antenna apparatus and vehicle-mounted transmission and reception apparatus

Radio frequency module, communication device, and radar device

Band elimination filter and dielectric resonator therefor

Phase shifter, phased-array antenna, and radar

Transmission line, integrated circuit, and transmitter receiver

Dielectric resonator formed by polygonal openings in a dielectric substrate, and a filter, duplexer, and communication apparatus using same

Dielectric resonator having an electromagnetic wave absorbing member and apparatus incorporating the dielectric resonator

High-frequency module

Dielectric resonator device

Nonradiative dielectric waveguide resonator, nonradiative dielectric waveguide filter, duplexer and transceiver incorporating the same

Dielectric filter, dielectric duplexer, and communication device, with non-electrode coupling parts

Dielectric resonator capable of varying resonant frequency

Dielectric resonator capable of varying resonant frequency

Dielectric filter, dielectric duplexer, and transceiver having circular and polygonal electrode openings

Dielectric resonator device, dielectric filter, oscillator, sharing device, and electronic apparatus

Dielectric resonator having a resonance region and a cavity adjacent to the resonance region, and a dielectric filter, duplexer and communication device utilizing the dielectric resonator

Dielectric filter, transmitting/receiving duplexer, and communication apparatus having depressed parallel plate mode below a resonant frequency

Rod type dielectric resonating device with coupling plates

Dielectric filter

Dielectric filter transmission-reception sharing unit and communication device

Dielectric resonator device, dielectric filter, duplexer, and high-frequency communication apparatus

Band-pass filter and communication apparatus

Directional coupler, antenna device, and radar system

Dielectric filter, transmission-reception sharing unit, and communication device

Dielectric resonator device

Dielectric filter comprising at least one coupling member coupled to two coupling modes of a resonator and a communication device using the same

Transmission line connection structure, high frequency module, and communication device

Dielectric resonator, dielectric filter, dielectric duplexer, oscillator, and communication device

Dielectric resonator, dielectric filter, duplexer, and communication device

Transmission line with a projecting dielectric part having an opposing coplanar line and transceiver

Filter, antenna module, and communication device

Resonator parallel-coupled filter and communication device

Band pass filter, communication device, and resonator

Transmission line with a dielectric protrusion having opposing longitudinal slot and transmitter-receiver

Dielectric filter, transmission/reception sharing device, and communication device

SUDO KAORU

Horizontal radiation antenna

Horizontal radiation antenna

Wideband antenna

FUJII HIROTAKA

Antenna device