P

Inventor

HIDAKA SEIJI

JP55 patents
⚠️ This page may combine multiple inventors who share the name “HIDAKA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MURATA MANUFACTURING CO

37 patents
US6148221ANov 14, 2000

Thin film multilayered electrode of high frequency electromagnetic field coupling

MURATA MANUFACTURING CO131 citations98
US6486754B1Nov 26, 2002

Resonator, filter, duplexer, and communication device

MURATA MANUFACTURING CO21 citations92
US6144268ANov 7, 2000

High-frequency transmission line, dielectric resonator, filter, duplexer, and communication device, with an electrode having gaps in an edge portion

MURATA MANUFACTURING CO37 citations92
US6016091AJan 18, 2000

Dielectric resonator device comprising a dielectric resonator and thin film electrode layers formed thereon

MURATA MANUFACTURING CO37 citations92
US5325077AJun 28, 1994

TE101 triple mode dielectric resonator apparatus

MURATA MANUFACTURING CO37 citations92
US7492243B2Feb 17, 2009

Planar circuit, high-frequency circuit device, and transmission and reception apparatus

MURATA MANUFACTURING CO18 citations84
US7095301B2Aug 22, 2006

Resonator device, filter, duplexer and communication device

MURATA MANUFACTURING CO15 citations84
US7471173B2Dec 30, 2008

Resonator, filter, nonreciprocal circuit device, and communication apparatus

MURATA MANUFACTURING CO17 citations83
US6633207B1Oct 14, 2003

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

MURATA MANUFACTURING CO10 citations73
US6573805B2Jun 3, 2003

Resonator, filter, duplexer, and communication device

MURATA MANUFACTURING CO8 citations73
US6538527B2Mar 25, 2003

Resonator, filter, duplexer, and communication device

MURATA MANUFACTURING CO9 citations73
US6456861B1Sep 24, 2002

High frequency low loss electrode having laminated main and sub conductors

MURATA MANUFACTURING CO12 citations73
US6052041AApr 18, 2000

TM mode dielectric resonator and TM mode dielectric filter and duplexer using the resonator

MURATA MANUFACTURING CO10 citations73
US6011983AJan 4, 2000

Band-pass filter apparatus using superconducting integrated nonradiative dielectric waveguide

MURATA MANUFACTURING CO11 citations73
US5920243AJul 6, 1999

Multi-layer thin-film electrode, for a high-frequency transmission line, resonator, and filter

MURATA MANUFACTURING CO15 citations73
US10521533B2Dec 31, 2019

Inductor simulation method and inductor nonlinear equivalent circuit model

MURATA MANUFACTURING CO2 citations70
US9355210B2May 31, 2016

Method for deriving equivalent circuit model of capacitor

MURATA MANUFACTURING CO3 citations70
US6066598AMay 23, 2000

Superconducting multilayer electrode and method of producing same

MURATA MANUFACTURING CO15 citations70
US7113058B2Sep 26, 2006

Resonator, filter, communication apparatus

MURATA MANUFACTURING CO3 citations63
US6972645B2Dec 6, 2005

Resonator, filter, communication apparatus

MURATA MANUFACTURING CO2 citations63
US6943644B2Sep 13, 2005

Resonator, filter, duplexer, and communication apparatus

MURATA MANUFACTURING CO6 citations63
US6937118B2Aug 30, 2005

High-frequency circuit device, resonator, filter, duplexer, and high-frequency circuit apparatus

MURATA MANUFACTURING CO2 citations63
US6828882B2Dec 7, 2004

Multi-spiral element, resonator, filter, duplexer, and high-frequency circuit device

MURATA MANUFACTURING CO5 citations63
US5379009AJan 3, 1995

Active-type band-pass filter

MURATA MANUFACTURING CO4 citations63
US11521788B2Dec 6, 2022

Inductor and transformer

MURATA MANUFACTURING CO1 citations62
US6624727B2Sep 23, 2003

Resonator, filter, duplexer, and communication device

MURATA MANUFACTURING CO2 citations62
US6509810B2Jan 21, 2003

Filter, duplexer, and communication device

MURATA MANUFACTURING CO3 citations62
US6501345B2Dec 31, 2002

Filter, duplexer, and communications device

MURATA MANUFACTURING CO4 citations62
US6438395B1Aug 20, 2002

High frequency low loss electrode with main and sub conductors

MURATA MANUFACTURING CO4 citations62
US6281763B1Aug 28, 2001

Dielectric resonator, dielectric filter, dielectric duplexer, and method for manufacturing dielectric resonator

MURATA MANUFACTURING CO2 citations62
US6255914B1Jul 3, 2001

TM mode dielectric resonator and TM mode dielectric filter and duplexer using the resonator

MURATA MANUFACTURING CO2 citations62
US6894587B2May 17, 2005

Coaxial resonator, filter, duplexer, and communication device

MURATA MANUFACTURING CO2 citations60
US12394567B2Aug 19, 2025

Multilayer ceramic capacitor including via-conductors and outer electrodes

MURATA MANUFACTURING CO0 citations52
US12300439B2May 13, 2025

Multi-terminal multilayer capacitor

MURATA MANUFACTURING CO0 citations52
US7538638B2May 26, 2009

Resonator, filter, and communication unit

MURATA MANUFACTURING CO0 citations52
US7365618B2Apr 29, 2008

High-frequency circuit device, high-frequency module, and communication apparatus

MURATA MANUFACTURING CO1 citations51
US6940372B2Sep 6, 2005

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

MURATA MANUFACTURING CO0 citations51

KONISHIROKU PHOTO IND

7 patents

MAZDA MOTOR

2 patents

DENSO CORP

1 patent

AISIN CORP

1 patent

MIYAJIMA TAKAYUKI

1 patent

HIDAKA SEIJI

1 patent

Showing the top 50 of 55 patents by PatentIndex Score.