Inventor
OHARA RYOICHI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “OHARA RYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
27 patentsUS7135940B2Nov 14, 2006
Tunable filter and portable telephone
TOSHIBA KK77 citations98
US7420320B2Sep 2, 2008
Piezoelectric thin film device and method for manufacturing the same
TOSHIBA KK41 citations96
US7268647B2Sep 11, 2007
Film bulk acoustic-wave resonator and method for manufacturing the same
TOSHIBA KK51 citations96
US7498904B2Mar 3, 2009
Piezoelectric thin film resonator and devices provided with the same
TOSHIBA KK22 citations92
US7463117B2Dec 9, 2008
Film bulk acoustic-wave resonator (FBAR), filter implemented by FBARs and method for manufacturing FBAR
TOSHIBA KK43 citations92
US7323805B2Jan 29, 2008
Piezoelectric thin film device and method for manufacturing the same
TOSHIBA KK32 citations92
US7187253B2Mar 6, 2007
Film bulk acoustic-wave resonator and method for manufacturing the same
TOSHIBA KK22 citations92
US6870445B2Mar 22, 2005
Thin film bulk acoustic wave resonator
TOSHIBA KK34 citations92
US6809604B2Oct 26, 2004
Voltage control oscillator having a ferroelectric thin film perovskite single crystal resonator
TOSHIBA KK29 citations92
US6747529B2Jun 8, 2004
Piezoelectric thin film resonator and frequency variable resonator using the resonator
TOSHIBA KK28 citations92
US6077406AJun 20, 2000
Sputtering system
TOSHIBA KK43 citations92
US7221920B2May 22, 2007
Voltage controlled oscillator, frequency synthesizer and communication apparatus
TOSHIBA KK19 citations91
US6870446B2Mar 22, 2005
High frequency filter
TOSHIBA KK17 citations84
US7770274B2Aug 10, 2010
Piezoelectric thin film device and method for manufacturing the same
TOSHIBA KK5 citations74
US7501739B2Mar 10, 2009
Thin film piezoelectric resonator and manufacturing process thereof
TOSHIBA KK7 citations74
US9620600B2Apr 11, 2017
Semiconductor device having termination region with laterally heterogeneous insulating films
TOSHIBA KK2 citations73
US9608058B1Mar 28, 2017
Semiconductor device
TOSHIBA KK2 citations73
US9142687B2Sep 22, 2015
Semiconductor diode device
TOSHIBA KK4 citations72
US9178079B2Nov 3, 2015
Semiconductor diode device
TOSHIBA KK2 citations63
US7709999B2May 4, 2010
Thin film piezoelectric resonator and method of manufacturing the same
TOSHIBA KK5 citations63
US7675222B2Mar 9, 2010
Thin film piezoelectric actuator
TOSHIBA KK4 citations63
US7560853B2Jul 14, 2009
Thin film piezoelectric resonator, method of manufacturing the same, and filter including the same
TOSHIBA KK6 citations63
US7525399B2Apr 28, 2009
Thin-film piezoelectric resonator, filter and voltage-controlled oscillator
TOSHIBA KK6 citations63
US7459833B2Dec 2, 2008
Thin film piezoelectric actuator
TOSHIBA KK5 citations63
US7777592B2Aug 17, 2010
Antenna sharing device and portable telephone
TOSHIBA KK3 citations62
US8916881B2Dec 23, 2014
Semiconductor device and method for manufacturing semiconductor device
TOSHIBA KK0 citations51
US9142565B2Sep 22, 2015
SOI substrate with acceptor-doped layer
TOSHIBA KK0 citations50