Inventor · disambiguated record
Ryoichi Ohara
Also filed as: OHARA RYOICHI
30 granted patents·13 pending applications·532 citations·filing 1999–2025
97Inventor score
Top patents by PatentIndex Score
43 records- 0198US7135940B2Tunable filter and portable telephoneTOSHIBA KK·Filed 2005·Granted Nov 14, 2006·77 cites·20 claims
- 0296US7420320B2Piezoelectric thin film device and method for manufacturing the sameTOSHIBA KK·Filed 2007·Granted Sep 2, 2008·41 cites·7 claims
- 0396US7268647B2Film bulk acoustic-wave resonator and method for manufacturing the sameTOSHIBA KK·Filed 2007·Granted Sep 11, 2007·51 cites·5 claims
- 0495US7463117B2Film bulk acoustic-wave resonator (FBAR), filter implemented by FBARs and method for manufacturing FBARTOSHIBA KK·Filed 2005·Granted Dec 9, 2008·43 cites·11 claims
- 0595US7323805B2Piezoelectric thin film device and method for manufacturing the sameTOSHIBA KK·Filed 2005·Granted Jan 29, 2008·32 cites·15 claims
- 0691US7187253B2Film bulk acoustic-wave resonator and method for manufacturing the sameTOSHIBA KK·Filed 2005·Granted Mar 6, 2007·22 cites·14 claims
- 0790US7498904B2Piezoelectric thin film resonator and devices provided with the sameTOSHIBA KK·Filed 2006·Granted Mar 3, 2009·22 cites·20 claims
- 0890US6747529B2Piezoelectric thin film resonator and frequency variable resonator using the resonatorTOSHIBA KK·Filed 2002·Granted Jun 8, 2004·28 cites·26 claims
- 0988US6870445B2Thin film bulk acoustic wave resonatorTOSHIBA KK·Filed 2003·Granted Mar 22, 2005·34 cites·9 claims
- 1086US6809604B2Voltage control oscillator having a ferroelectric thin film perovskite single crystal resonatorTOSHIBA KK·Filed 2003·Granted Oct 26, 2004·29 cites·19 claims
- 1184US8134224B2Radio frequency semiconductor deviceSAGAE YOSHITOMO·Filed 2008·Granted Mar 13, 2012·12 cites·9 claims
- 1283US8866151B2Semiconductor deviceNODA TAKAO·Filed 2012·Granted Oct 21, 2014·8 cites·12 claims
- 1379US9142687B2Semiconductor diode deviceTOSHIBA KK·Filed 2014·Granted Sep 22, 2015·4 cites·18 claims
- 1477US6077406ASputtering systemTOSHIBA KK·Filed 1999·Granted Jun 20, 2000·43 cites·14 claims
- 1576US6870446B2High frequency filterTOSHIBA KK·Filed 2002·Granted Mar 22, 2005·17 cites·4 claims
- 1674US9620600B2Semiconductor device having termination region with laterally heterogeneous insulating filmsTOSHIBA KK·Filed 2015·Granted Apr 11, 2017·2 cites·10 claims
- 1774US9608058B1Semiconductor deviceTOSHIBA KK·Filed 2016·Granted Mar 28, 2017·2 cites·20 claims
- 1873US7221920B2Voltage controlled oscillator, frequency synthesizer and communication apparatusTOSHIBA KK·Filed 2004·Granted May 22, 2007·19 cites·17 claims
- 1972US7770274B2Piezoelectric thin film device and method for manufacturing the sameTOSHIBA KK·Filed 2007·Granted Aug 10, 2010·5 cites·6 claims
- 2072US7501739B2Thin film piezoelectric resonator and manufacturing process thereofTOSHIBA KK·Filed 2005·Granted Mar 10, 2009·7 cites·11 claims
- 2172US7459833B2Thin film piezoelectric actuatorTOSHIBA KK·Filed 2005·Granted Dec 2, 2008·5 cites·17 claims
- 2271US9178079B2Semiconductor diode deviceTOSHIBA KK·Filed 2014·Granted Nov 3, 2015·2 cites·17 claims
- 2371US7560853B2Thin film piezoelectric resonator, method of manufacturing the same, and filter including the sameTOSHIBA KK·Filed 2007·Granted Jul 14, 2009·6 cites·14 claims
- 2470US8558244B2Semiconductor device and method for manufacturing semiconductor deviceYANASE NAOKO·Filed 2011·Granted Oct 15, 2013·3 cites·9 claims
- 2569US7675222B2Thin film piezoelectric actuatorTOSHIBA KK·Filed 2007·Granted Mar 9, 2010·4 cites·10 claims
- 2669US7525399B2Thin-film piezoelectric resonator, filter and voltage-controlled oscillatorTOSHIBA KK·Filed 2006·Granted Apr 28, 2009·6 cites·11 claims
- 2767US7709999B2Thin film piezoelectric resonator and method of manufacturing the sameTOSHIBA KK·Filed 2006·Granted May 4, 2010·5 cites·16 claims
- 2859US2025369898A1Method for inspecting semiconductor deviceTOSHIBA KK·Filed 2025·Application pending·0 cites
- 2958US7777592B2Antenna sharing device and portable telephoneTOSHIBA KK·Filed 2007·Granted Aug 17, 2010·3 cites·12 claims
- 3055US8916881B2Semiconductor device and method for manufacturing semiconductor deviceTOSHIBA KK·Filed 2013·Granted Dec 23, 2014·0 cites·7 claims
- 3154US9142565B2SOI substrate with acceptor-doped layerTOSHIBA KK·Filed 2013·Granted Sep 22, 2015·0 cites·8 claims
- 3254US2025210416A1Semiconductor device manufacturing methodTOSHIBA KK·Filed 2025·Application pending·0 cites
- 3349US2007284971A1Electronic deviceTOSHIBA KK·Filed 2007·Application pending·0 cites
- 3449US2009302716A1Piezoelectric deviceTOSHIBA KK·Filed 2009·Application pending·0 cites
- 3547US2015357482A1Semiconductor deviceTOSHIBA KK·Filed 2015·Application pending·0 cites
- 3647US2012146176A1Semiconductor deviceSAGAE YOSHITOMO·Filed 2012·Application pending·0 cites
- 3743US2014283618A1Semiconductor device and strain monitorTOSHIBA KK·Filed 2013·Application pending·0 cites
- 3838US2007247260A1Electronic deviceTOSHIBA KK·Filed 2007·Application pending·0 cites
- 3938US2007188270A1Film bulk acoustic resonator and film bulk acoustic resonator filterTOSHIBA KK·Filed 2007·Application pending·0 cites
- 4037US2017271443A1Semiconductor deviceTOSHIBA KK·Filed 2016·Application pending·0 cites
- 4137US2007176513A1Thin-film piezoelectric resonator and filter circuitTOSHIBA KK·Filed 2006·Application pending·0 cites
- 4236US2005280476A1Filter control apparatus and filter systemTOSHIBA KK·Filed 2005·Application pending·0 cites
- 4334US2001015448A1Ferroelectric capacitor and semiconductor deviceFiled 2000·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →