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 patentsUS6148221ANov 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 patentsUS6447979B1Sep 10, 2002
Image recording body
KONISHIROKU PHOTO IND27 citations92
US6413687B1Jul 2, 2002
Transfer foil and image recording material, and method for preparing image recording material
KONISHIROKU PHOTO IND49 citations92
US5616446AApr 1, 1997
Silver halide photographic light-sensitive material
KONISHIROKU PHOTO IND12 citations74
US4959796ASep 25, 1990
Method of producing analytical curve
KONISHIROKU PHOTO IND15 citations71
US5834176ANov 10, 1998
Silver halide photographic light-sensitive material
KONISHIROKU PHOTO IND4 citations63
US5766820AJun 16, 1998
Silver halide photographic light-sensitive material and its developing methods
KONISHIROKU PHOTO IND5 citations62
US4937047AJun 26, 1990
Analytical element
KONISHIROKU PHOTO IND3 citations58
MAZDA MOTOR
2 patentsDENSO CORP
1 patentAISIN CORP
1 patentMIYAJIMA TAKAYUKI
1 patentHIDAKA SEIJI
1 patentShowing the top 50 of 55 patents by PatentIndex Score.