Inventor
ASAMURA FUMIO
JP44 patents
⚠️ This page may combine multiple inventors who share the name “ASAMURA FUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIHON DEMPA KOGYO CO
34 patentsUS7471162B2Dec 30, 2008
Surface mount type temperature-compensated crystal oscillator
NIHON DEMPA KOGYO CO27 citations92
US7378916B2May 27, 2008
Crystal oscillator device, oscillation method and heater
NIHON DEMPA KOGYO CO46 citations92
US6798305B2Sep 28, 2004
High frequency oscillator using transmission line resonator
NIHON DEMPA KOGYO CO20 citations92
US6798384B2Sep 28, 2004
Multi-element planar array antenna
NIHON DEMPA KOGYO CO24 citations92
US6737928B2May 18, 2004
Temperature-compensated crystal oscillator
NIHON DEMPA KOGYO CO25 citations92
US7061333B2Jun 13, 2006
Slot line based high frequency oscillator using two-port element
NIHON DEMPA KOGYO CO12 citations84
US6756857B2Jun 29, 2004
Planar circuit
NIHON DEMPA KOGYO CO17 citations84
US6771135B2Aug 3, 2004
Temperature-compensated crystal oscillator
NIHON DEMPA KOGYO CO14 citations83
US6753817B2Jun 22, 2004
Multi-element planar array antenna
NIHON DEMPA KOGYO CO16 citations83
US7479856B2Jan 20, 2009
High-frequency filter using coplanar line resonator
NIHON DEMPA KOGYO CO8 citations82
US7471165B2Dec 30, 2008
High-frequency balun
NIHON DEMPA KOGYO CO12 citations82
US6917332B2Jul 12, 2005
Multielement planar antenna
NIHON DEMPA KOGYO CO16 citations81
US7256658B2Aug 14, 2007
Surface mount crystal oscillator
NIHON DEMPA KOGYO CO9 citations74
US6703904B2Mar 9, 2004
High frequency oscillator
NIHON DEMPA KOGYO CO11 citations74
US9041476B2May 26, 2015
Crystal controlled oscillator
NIHON DEMPA KOGYO CO6 citations73
US7095373B2Aug 22, 2006
Planar array antenna
NIHON DEMPA KOGYO CO9 citations73
US6825816B2Nov 30, 2004
Two-element and multi-element planar array antennas
NIHON DEMPA KOGYO CO11 citations73
US6798319B2Sep 28, 2004
High-frequency filter
NIHON DEMPA KOGYO CO8 citations72
US9136821B2Sep 15, 2015
Surface mount device-type low-profile oscillator
NIHON DEMPA KOGYO CO2 citations63
US9077346B2Jul 7, 2015
Oscillator
NIHON DEMPA KOGYO CO2 citations63
US7113059B2Sep 26, 2006
Variable-frequency high frequency filter
NIHON DEMPA KOGYO CO3 citations63
US6909333B2Jun 21, 2005
Coplanar line based high frequency oscillator
NIHON DEMPA KOGYO CO6 citations63
US6717481B2Apr 6, 2004
Injection-locked high-frequency oscillator
NIHON DEMPA KOGYO CO4 citations63
US7157981B2Jan 2, 2007
Surface-mounted oscillator
NIHON DEMPA KOGYO CO2 citations62
US7023290B2Apr 4, 2006
Temperature-compensated crystal oscillator
NIHON DEMPA KOGYO CO6 citations62
US6639480B2Oct 28, 2003
Crystal oscillator
NIHON DEMPA KOGYO CO5 citations62
US6492879B2Dec 10, 2002
Voltage-controlled oscillator
NIHON DEMPA KOGYO CO2 citations62
US7538628B2May 26, 2009
Harmonic oscillator using transmission line resonator
NIHON DEMPA KOGYO CO3 citations61
US7061336B2Jun 13, 2006
High frequency oscillator
NIHON DEMPA KOGYO CO1 citations52
US6717480B2Apr 6, 2004
Multielement oscillator employing higher mode planar resonator
NIHON DEMPA KOGYO CO0 citations52
US7649427B2Jan 19, 2010
Crystal oscillator
NIHON DEMPA KOGYO CO0 citations51
US6861915B2Mar 1, 2005
Crystal oscillator with adjustable capacitive assembly having selectable capacitances
NIHON DEMPA KOGYO CO1 citations51
US6771137B2Aug 3, 2004
High-frequency oscillator
NIHON DEMPA KOGYO CO1 citations51
US8941445B2Jan 27, 2015
Piezoelectric module
NIHON DEMPA KOGYO CO0 citations41
UNIV SAGA
5 patentsUS7187337B2Mar 6, 2007
Planar antenna with slot line
UNIV SAGA21 citations92
US7119625B2Oct 10, 2006
High frequency oscillator using transmission line resonator
UNIV SAGA7 citations74
US6992635B2Jan 31, 2006
Microstrip line type planar array antenna
UNIV SAGA10 citations73
US7145404B2Dec 5, 2006
Injection locked high frequency oscillator
UNIV SAGA2 citations63
US7145405B2Dec 5, 2006
Planar high frequency oscillator
UNIV SAGA1 citations52
ASAMURA FUMIO
5 patentsUS8941444B2Jan 27, 2015
Crystal oscillator
ASAMURA FUMIO8 citations83
US8451068B2May 28, 2013
Oscillator
ASAMURA FUMIO3 citations60
US8558629B2Oct 15, 2013
Temperature-controlled crystal oscillating unit and crystal oscillator
ASAMURA FUMIO1 citations49
US8896388B2Nov 25, 2014
Temperature-compensated crystal oscillator
ASAMURA FUMIO0 citations40
US8576020B2Nov 5, 2013
Crystal oscillator and method of manufacturing the same
ASAMURA FUMIO0 citations40