Inventor
ARAKAWA SHIGEJI
JP15 patents
Patents
15 patentsUS6020800AFeb 1, 2000
Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof
MURATA MANUFACTURING CO127 citations98
US6281764B1Aug 28, 2001
Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof
MURATA MANUFACTURING CO30 citations96
US6160463ADec 12, 2000
Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof
MURATA MANUFACTURING CO62 citations96
US6133808AOct 17, 2000
Dielectric filter having input/output electrodes connected to electrodes on a substrate, and dielectric duplexer incorporating the dielectric filter
MURATA MANUFACTURING CO53 citations95
US6002306ADec 14, 1999
Dielectric filter and dielectric duplexer each having a plurality of dielectric resonators connected in series by a dielectric coupling window
MURATA MANUFACTURING CO58 citations95
US6356170B1Mar 12, 2002
Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof
MURATA MANUFACTURING CO26 citations92
US6346867B2Feb 12, 2002
Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof
MURATA MANUFACTURING CO20 citations92
US6255921B1Jul 3, 2001
Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof
MURATA MANUFACTURING CO24 citations92
US6002307ADec 14, 1999
Dielectric filter and dielectric duplexer
MURATA MANUFACTURING CO47 citations92
US6489865B1Dec 3, 2002
Strip-line filter, duplexer, filter device, communication device, and method of adjusting characteristic of strip-line filter
MURATA MANUFACTURING CO11 citations73
US4902991AFeb 20, 1990
Radio frequency signal combining/sorting device
MURATA MANUFACTURING CO8 citations73
US5049842ASep 17, 1991
Dielectric resonator having a cutout portion for receiving an unitary tuning element conforming to the cutout shape
MURATA MANUFACTURING CO19 citations70
US6642816B2Nov 4, 2003
Strip-line filter, duplexer, filter device, communication device, and method of adjusting characteristic of strip-line filter
MURATA MANUFACTURING CO3 citations62
US6853265B2Feb 8, 2005
Dielectric resonator device, dielectric filter, dielectric duplexer, and communication apparatus
MURATA MANUFACTURING CO0 citations52
US7915971B2Mar 29, 2011
Nonreciprocal circuit device
MURATA MANUFACTURING CO0 citations36