Inventor
OITA TAKEO
JP35 patents
⚠️ This page may combine multiple inventors who share the name “OITA TAKEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIHON DEMPA KOGYO CO
26 patentsUS7088032B2Aug 8, 2006
Crystal oscillator
NIHON DEMPA KOGYO CO26 citations93
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
US7061333B2Jun 13, 2006
Slot line based high frequency oscillator using two-port element
NIHON DEMPA KOGYO CO12 citations84
US6791421B2Sep 14, 2004
Input-switching voltage-controlled oscillator and PLL-controlled oscillator
NIHON DEMPA KOGYO CO15 citations84
US6756857B2Jun 29, 2004
Planar circuit
NIHON DEMPA KOGYO CO17 citations84
US6753817B2Jun 22, 2004
Multi-element planar array antenna
NIHON DEMPA KOGYO CO16 citations83
US6917332B2Jul 12, 2005
Multielement planar antenna
NIHON DEMPA KOGYO CO16 citations81
US6549083B2Apr 15, 2003
High-frequency crystal oscillator outputting a harmonic component
NIHON DEMPA KOGYO CO14 citations81
US6756863B2Jun 29, 2004
High-frequency oscillator of frequency switching type and high-frequency oscillation method
NIHON DEMPA KOGYO CO7 citations74
US6707347B2Mar 16, 2004
Crystal oscillator that utilizes the power transistor of an output amplifier to heat the crystal resonator
NIHON DEMPA KOGYO CO8 citations74
US6703904B2Mar 9, 2004
High frequency oscillator
NIHON DEMPA KOGYO CO11 citations74
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
US7259636B2Aug 21, 2007
Synchronous signal generator using a crystal oscillator and filter
NIHON DEMPA KOGYO CO3 citations63
US7019596B2Mar 28, 2006
Multiple output high-frequency oscillator
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
US7061336B2Jun 13, 2006
High frequency oscillator
NIHON DEMPA KOGYO CO1 citations52
US6762651B2Jul 13, 2004
High frequency crystal oscillator and high frequency signal generating method
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
US6771137B2Aug 3, 2004
High-frequency oscillator
NIHON DEMPA KOGYO CO1 citations51
US7845230B2Dec 7, 2010
Concentration sensor and concentration detector
NIHON DEMPA KOGYO CO1 citations50
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