Inventor
TOKUDERA HIROMU
JP18 patents
Patents
18 patentsUS6861920B2Mar 1, 2005
Complex circuit board, nonreciprocal circuit device, resonator, filter, duplexer communications device, circuit module, complex circuit board manufacturing method, and nonreciprocal circuit device manufacturing method
MURATA MANUFACTURING CO26 citations92
US6472960B1Oct 29, 2002
Complex circuit board with an electrode and air gap between dielectric and magnetic substrates
MURATA MANUFACTURING CO18 citations92
US5068629ANov 26, 1991
Nonreciprocal circuit element
MURATA MANUFACTURING CO35 citations92
US7471173B2Dec 30, 2008
Resonator, filter, nonreciprocal circuit device, and communication apparatus
MURATA MANUFACTURING CO17 citations83
US6657514B1Dec 2, 2003
Dielectric transmission line attenuator, dielectric transmission line terminator, and wireless communication device
MURATA MANUFACTURING CO8 citations73
US5745014AApr 28, 1998
Nonreciprocal circuit element
MURATA MANUFACTURING CO6 citations73
US6441698B1Aug 27, 2002
Dielectric-waveguide attenuator, dielectric-waveguide terminator, and wireless apparatus incorporating same
MURATA MANUFACTURING CO8 citations72
US6060958AMay 9, 2000
Nonreciprocal circuit device having chamfered or tapered yoke side walls
MURATA MANUFACTURING CO8 citations72
US5745015AApr 28, 1998
Non-reciprocal circuit element having a magnetic member integral with the ferrite member
MURATA MANUFACTURING CO7 citations72
US6998942B2Feb 14, 2006
Three-dimensional periodic structure, method of producing the same, high frequency element, and high frequency apparatus
MURATA MANUFACTURING CO10 citations71
US6380820B1Apr 30, 2002
Isolator utilizing a planar dielectric transmission line with a resistive film
MURATA MANUFACTURING CO5 citations63
US6646516B2Nov 11, 2003
Complex circuit board, nonreciprocal circuit device, resonator, filter, duplexer, communications device, circuit module, complex circuit board manufacturing method, and nonreciprocal circuit device manufacturing method
MURATA MANUFACTURING CO2 citations62
US5838209ANov 17, 1998
Nonreciprocal junction circuit element having different conductor intersecting angles
MURATA MANUFACTURING CO4 citations62
US6583680B1Jun 24, 2003
Nonreciprocal circuit device and communications device
MURATA MANUFACTURING CO2 citations61
US6359526B1Mar 19, 2002
Nonreciprocal circuit device including dielectric wave guide and a lower dielectric constant medium
MURATA MANUFACTURING CO3 citations60
US6208218B1Mar 27, 2001
Nonreciprocal circuit device including dielectric wave guide, dielectric wave guide device and radio device
MURATA MANUFACTURING CO2 citations60
US6496080B1Dec 17, 2002
Dielectric waveguide nonreciprocal circuit device with a non-interfering magnetic member support
MURATA MANUFACTURING CO1 citations51
US5926074AJul 20, 1999
Nonreciprocal circuit device
MURATA MANUFACTURING CO0 citations44