Inventor
MIKAMI SHIGEYUKI
JP25 patents
Patents
25 patentsUS5311160AMay 10, 1994
Mechanism for adjusting resonance frequency of dielectric resonator
MURATA MANUFACTURING CO31 citations92
US6628230B2Sep 30, 2003
Radio frequency module, communication device, and radar device
MURATA MANUFACTURING CO21 citations90
US6016090AJan 18, 2000
Dielectric resonator apparatus and high-frequency module
MURATA MANUFACTURING CO25 citations90
US7492243B2Feb 17, 2009
Planar circuit, high-frequency circuit device, and transmission and reception apparatus
MURATA MANUFACTURING CO18 citations84
US6184758B1Feb 6, 2001
Dielectric resonator formed by polygonal openings in a dielectric substrate, and a filter, duplexer, and communication apparatus using same
MURATA MANUFACTURING CO17 citations84
US6943651B2Sep 13, 2005
Dielectric resonator device, high frequency filter, and high frequency oscillator
MURATA MANUFACTURING CO16 citations81
US6331808B2Dec 18, 2001
Dielectric resonator device
MURATA MANUFACTURING CO11 citations74
US6249195B1Jun 19, 2001
Dielectric filter, dielectric duplexer, and transceiver having circular and polygonal electrode openings
MURATA MANUFACTURING CO10 citations73
US6232854B1May 15, 2001
Dielectric resonator device, dielectric filter, oscillator, sharing device, and electronic apparatus
MURATA MANUFACTURING CO11 citations73
US6104261AAug 15, 2000
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
MURATA MANUFACTURING CO11 citations73
US6057745AMay 2, 2000
Dielectric filter, transmitting/receiving duplexer, and communication apparatus having depressed parallel plate mode below a resonant frequency
MURATA MANUFACTURING CO9 citations73
US5736912AApr 7, 1998
Dielectric resonator frequency adjusting mechanism with a resin layer
MURATA MANUFACTURING CO8 citations73
US7274273B2Sep 25, 2007
Dielectric resonator device, dielectric filter, duplexer, and high-frequency communication apparatus
MURATA MANUFACTURING CO5 citations63
US6177854B1Jan 23, 2001
Dielectric resonator device
MURATA MANUFACTURING CO2 citations63
US6121855ASep 19, 2000
Dielectric filter comprising at least one coupling member coupled to two coupling modes of a resonator and a communication device using the same
MURATA MANUFACTURING CO2 citations63
US7518472B2Apr 14, 2009
Transmission line connecting structure and transmission/reception device
MURATA MANUFACTURING CO3 citations62
US7408430B2Aug 5, 2008
High-frequency circuit device and transmitting and receiving apparatus
MURATA MANUFACTURING CO3 citations62
US6778031B2Aug 17, 2004
High-frequency circuit device using slot line and communication apparatus having high frequency circuit device
MURATA MANUFACTURING CO4 citations62
US6737687B2May 18, 2004
Field-effect transistor device having a uniquely arranged gate electrode
MURATA MANUFACTURING CO4 citations62
US6538526B2Mar 25, 2003
Transmission line connection structure, high frequency module, and communication device
MURATA MANUFACTURING CO6 citations62
US6531934B1Mar 11, 2003
Dielectric resonator, dielectric filter, dielectric duplexer, oscillator, and communication device
MURATA MANUFACTURING CO3 citations62
US6445263B1Sep 3, 2002
Dielectric resonator, dielectric filter, duplexer, and communication device
MURATA MANUFACTURING CO3 citations62
US6606000B2Aug 12, 2003
Radio-frequency amplifier, radio-frequency module and communication device
MURATA MANUFACTURING CO2 citations61
US6891452B2May 10, 2005
High-frequency circuit device and transmitter/receiver
MURATA MANUFACTURING CO5 citations59
US6512429B2Jan 28, 2003
Dielectric filter, transmission/reception sharing device, and communication device
MURATA MANUFACTURING CO0 citations41