Inventor
TAKAKUWA IKUO
JP16 patents
Patents
16 patentsUS6433741B2Aug 13, 2002
Directional coupler, antenna device, and transmitting-receiving device
MURATA MANUFACTURING CO233 citations98
US6147658ANov 14, 2000
Array antenna device and radio equipment
MURATA MANUFACTURING CO61 citations95
US6822612B2Nov 23, 2004
Antenna device, communication apparatus and radar module
MURATA MANUFACTURING CO25 citations92
US6384694B1May 7, 2002
Dielectric line converter, dielectric line unit, directional coupler, high-frequency circuit mobile, and transmitter-receiver
MURATA MANUFACTURING CO19 citations92
US7095292B2Aug 22, 2006
High-frequency line transducer, having an electrode opening surrounded by inner and outer vias
MURATA MANUFACTURING CO20 citations91
US6580343B2Jun 17, 2003
Dielectric waveguide with pairs of dielectric strips connected in an off-set manner
MURATA MANUFACTURING CO5 citations74
US6563477B2May 13, 2003
Antenna apparatus and transmission and receiving apparatus using same
MURATA MANUFACTURING CO5 citations74
US6362795B2Mar 26, 2002
Antenna apparatus and transmission and receiving apparatus using the same
MURATA MANUFACTURING CO10 citations74
US6331809B1Dec 18, 2001
Nonradiative dielectric waveguide resonator, nonradiative dielectric waveguide filter, duplexer and transceiver incorporating the same
MURATA MANUFACTURING CO9 citations74
US6307451B1Oct 23, 2001
Dielectric waveguide comprising connected dielectric strips
MURATA MANUFACTURING CO5 citations74
US6163227ADec 19, 2000
Non radiative dielectric waveguide having a portion for line conversion between different types of non radiative dielectric waveguides
MURATA MANUFACTURING CO9 citations74
US6144267ANov 7, 2000
Non-Radiative dielectric line assembly
MURATA MANUFACTURING CO13 citations74
US6597307B2Jul 22, 2003
Method and radar for detecting distance to a target
MURATA MANUFACTURING CO7 citations73
US6445355B2Sep 3, 2002
Non-radiative hybrid dielectric line transition and apparatus incorporating the same
MURATA MANUFACTURING CO2 citations62
US6172648B1Jan 9, 2001
Directional coupler, antenna device, and transceiver
MURATA MANUFACTURING CO6 citations61
US6472961B1Oct 29, 2002
Non-radiative dielectric line including convex or concave portion, and integrated circuit comprising the non-radiative dielectric line
MURATA MANUFACTURING CO0 citations52