Inventor
YAMASHITA SADAO
JP41 patents
⚠️ This page may combine multiple inventors who share the name “YAMASHITA SADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MURATA MANUFACTURING CO
37 patentsUS6489855B1Dec 3, 2002
Line transition device between dielectric waveguide and waveguide, and oscillator, and transmitter using the same
MURATA MANUFACTURING CO48 citations96
US5408690AApr 18, 1995
Antenna supervising apparatus comprising a standing wave ratio measuring unit
MURATA MANUFACTURING CO80 citations96
US4740765AApr 26, 1988
Dielectric filter
MURATA MANUFACTURING CO105 citations94
US6204739B1Mar 20, 2001
Dielectric resonant apparatus
MURATA MANUFACTURING CO23 citations93
US5986527ANov 16, 1999
Planar dielectric line and integrated circuit using the same line
MURATA MANUFACTURING CO49 citations93
US5945894AAug 31, 1999
Dielectric resonator and filter utilizing a non-radiative dielectric waveguide device
MURATA MANUFACTURING CO27 citations93
US5920245AJul 6, 1999
Nonradiative dielectric line apparatus including a specifically oriented circuit board
MURATA MANUFACTURING CO24 citations93
US5770989AJun 23, 1998
Nonradiative dielectric line apparatus and instrument for measuring characteristics of a circuit board
MURATA MANUFACTURING CO26 citations93
US5764116AJun 9, 1998
Dielectric resonator and filter utilizing a nonradiative dielectric waveguide device
MURATA MANUFACTURING CO20 citations93
US6867660B2Mar 15, 2005
Line transition device between dielectric waveguide and waveguide, and oscillator, and transmitter using the same
MURATA MANUFACTURING CO37 citations92
US6788918B2Sep 7, 2004
Transmission line assembly, integrated circuit, and transmitter-receiver apparatus comprising a dielectric waveguide protuding for a dielectric plate
MURATA MANUFACTURING CO27 citations92
US5235294AAug 10, 1993
Auto-tuned apparatus for band-pass filter
MURATA MANUFACTURING CO25 citations92
US6016090AJan 18, 2000
Dielectric resonator apparatus and high-frequency module
MURATA MANUFACTURING CO25 citations90
US4996506AFeb 26, 1991
Band elimination filter and dielectric resonator therefor
MURATA MANUFACTURING CO43 citations90
US6614332B2Sep 2, 2003
Transmission line, integrated circuit, and transmitter receiver
MURATA MANUFACTURING CO14 citations84
US4151494AApr 24, 1979
Electrical filter
MURATA MANUFACTURING CO23 citations82
US6593874B2Jul 15, 2003
Radar for detecting the distance to a target
MURATA MANUFACTURING CO12 citations74
US6369676B2Apr 9, 2002
High-frequency module
MURATA MANUFACTURING CO9 citations74
US6359536B1Mar 19, 2002
High frequency multi-layer module with electronic component receiving aperture and conductive via
MURATA MANUFACTURING CO10 citations74
US6069543AMay 30, 2000
Dielectric resonator capable of varying resonant frequency
MURATA MANUFACTURING CO11 citations74
US5786740AJul 28, 1998
Dielectric resonator capable of varying resonant frequency
MURATA MANUFACTURING CO13 citations74
US4636759AJan 13, 1987
Electrical trap construction
MURATA MANUFACTURING CO12 citations74
US6535072B2Mar 18, 2003
Voltage controlled oscillator, voltage controlled oscillator device and radar device
MURATA MANUFACTURING CO9 citations73
US6285269B1Sep 4, 2001
High-frequency semiconductor device having microwave transmission line being formed by a gate electrode source electrode and a dielectric layer in between
MURATA MANUFACTURING CO11 citations73
US6236279B1May 22, 2001
Oscillator and communications device
MURATA MANUFACTURING CO12 citations73
US6172572B1Jan 9, 2001
Dielectric resonator, dielectric filter, dielectric duplexer, and oscillator
MURATA MANUFACTURING CO14 citations73
US6169301B1Jan 2, 2001
Planar dielectric integrated circuit
MURATA MANUFACTURING CO7 citations73
US5872485AFeb 16, 1999
Dielectric line waveguide which forms electronic circuits
MURATA MANUFACTURING CO13 citations73
US6466104B2Oct 15, 2002
High-frequency circuit module, filter, duplexer, and communication device
MURATA MANUFACTURING CO2 citations63
US6445255B1Sep 3, 2002
Planar dielectric integrated circuit
MURATA MANUFACTURING CO3 citations63
US6087912AJul 11, 2000
High frequency multi-layer module comprising a dielectric resonator
MURATA MANUFACTURING CO4 citations63
US6931246B2Aug 16, 2005
Line coupling structure, mixer, and receiving/transmitting apparatus comprised of suspended line and dielectric waveguide
MURATA MANUFACTURING CO5 citations62
US6642882B2Nov 4, 2003
Mixer, radar module, and communication apparatus incorporating the same
MURATA MANUFACTURING CO2 citations62
US6512421B1Jan 28, 2003
Gunn diode oscillator with NRD guide
MURATA MANUFACTURING CO2 citations62
US6163688ADec 19, 2000
Oscillator and communications device
MURATA MANUFACTURING CO6 citations62
US7365603B2Apr 29, 2008
FET amplifier, pulse modulation module, and radar device
MURATA MANUFACTURING CO0 citations52
US6717492B2Apr 6, 2004
Planar dielectric integrated circuit with line conversion conductor patterns
MURATA MANUFACTURING CO0 citations52