Inventor

ISHIKAWA YOUHEI

JP72 patents

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

ISHIKAWA YOUHEI

MURATA MANUFACTURING CO

Thin film multilayered electrode of high frequency electromagnetic field coupling

Dielectric resonator apparatus

Antenna supervising apparatus comprising a standing wave ratio measuring unit

Parallel connection multi-stage band-pass filter

Dielectric resonator comprising a resonant dielectric pillar mounted in a conductively coated dielectric case

Dielectric resonator and filter with dielectric resonator

Dielectric resonator and microwave filter using the same

Dielectric filter

Dielectric resonator

Communication module for a means of transportation

Electromagnetically coupling nonradiative dielectric waveguides

Nonradiative dielectric waveguide and manufacturing method thereof

Dielectric filter having impedance changing means coupling adjacent resonators

Dielectric resonator

Microwave device employing coaxial resonator

Electrical filter employing transverse electromagnetic mode coaxial resonators

Interdigital filter

TE101 triple mode dielectric resonator apparatus

Auto-tuned apparatus for band-pass filter

Radio frequency signal combining/sorting apparatus

Non-reciprocal circuit element

Dielectric resonator device

Dielectric resonator device

Dielectric resonator

Dielectric resonator capable of suppressing spurious mode

Parallel connection multi-stage band-pass filter comprising resonators with impedance matching means capacitively coupled to input and output terminals

Band elimination filter and dielectric resonator therefor

Leakage dielectric waveguide and plane antenna using said leakage dielectric waveguide

Microstripline filter

High frequency band-pass filter

Dielectric resonator

Coaxial resonator

Coaxial resonator with projecting terminal portion and electrical filter employing a coaxial resonator of that type

Electrical filter

Microwave band-pass filter provided with dielectric resonator

Dielectric resonator of improved type

Electrical branching filter

Device with a nonradiative dielectric waveguide with coupling gap

Device with a nonradiative dielectric waveguide

High-frequency integrated circuit

Filter arrangement including a non-reversible circuit element, a band-pass filter, and an active circuit

Filter apparatus

Method of measuring dielectric material constants and measuring device employed therefor

Stripline filter

Electrical trap construction

Oscillator using dielectric resonator

Oscillator using dielectric resonator

JATCO LTD

Slippage prevention apparatus of belt-drive continuously variable transmission for automotive vehicle

Transmission controller of V-belt type continuously variable automatic transmission

ISHIKAWA MASAKI

Ultra-light sound insulator