Inventor · disambiguated record
Chiharu Ota
Also filed as: OTA CHIHARU
44 granted patents·15 pending applications·108 citations·filing 2007–2025
97Inventor score
Top patents by PatentIndex Score
59 records- 0197US11469301B2Semiconductor device, semiconductor device manufacturing method, inverter circuit, driver device, vehicle, and elevatorTOSHIBA KK·Filed 2021·Granted Oct 11, 2022·4 cites·9 claims
- 0293US7532479B2Spread illuminating apparatusMINEBEA CO LTD·Filed 2007·Granted May 12, 2009·27 cites·3 claims
- 0392US11239079B2Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevatorTOSHIBA KK·Filed 2020·Granted Feb 1, 2022·2 cites·9 claims
- 0490US11621167B2Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevatorTOSHIBA KK·Filed 2022·Granted Apr 4, 2023·1 cites·5 claims
- 0589US7977210B2Semiconductor substrate and semiconductor deviceTOSHIBA KK·Filed 2008·Granted Jul 12, 2011·16 cites·12 claims
- 0685US7777292B2Semiconductor deviceTOSHIBA KK·Filed 2007·Granted Aug 17, 2010·12 cites·18 claims
- 0780US11848211B2Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevatorTOSHIBA KK·Filed 2023·Granted Dec 19, 2023·0 cites·18 claims
- 0880US7508045B2SiC Schottky barrier semiconductor deviceTOSHIBA KK·Filed 2007·Granted Mar 24, 2009·8 cites·19 claims
- 0979US8012837B2Method of manufacturing semiconductor deviceTOSHIBA KK·Filed 2010·Granted Sep 6, 2011·4 cites·8 claims
- 1077US12148799B2Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevatorTOSHIBA KK·Filed 2023·Granted Nov 19, 2024·0 cites·8 claims
- 1177US10651280B2Silicon carbide semiconductor deviceTOSHIBA KK·Filed 2018·Granted May 12, 2020·2 cites·20 claims
- 1277US9184229B2Semiconductor device and method for manufacturing sameTOSHIBA KK·Filed 2013·Granted Nov 10, 2015·3 cites·15 claims
- 1377US8933464B2SiC epitaxial wafer and semiconductor deviceTOSHIBA KK·Filed 2014·Granted Jan 13, 2015·3 cites·20 claims
- 1475US11764269B2Semiconductor device, semiconductor device manufacturing method, inverter circuit, driver device, vehicle, and elevatorTOSHIBA KK·Filed 2022·Granted Sep 19, 2023·0 cites·11 claims
- 1574US11152470B2Method for manufacturing semiconductor device, method for manufacturing substrate, semiconductor device, substrate, and manufacturing apparatus of substrateTOSHIBA KK·Filed 2019·Granted Oct 19, 2021·1 cites·12 claims
- 1673US8679957B2Method of manufacturing semiconductor deviceNISHIO JOHJI·Filed 2012·Granted Mar 25, 2014·3 cites·8 claims
- 1772US9373686B2Semiconductor device and method for manufacturing same and semiconductor substrateTOSHIBA KK·Filed 2014·Granted Jun 21, 2016·2 cites·16 claims
- 1871US9559172B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2014·Granted Jan 31, 2017·2 cites·18 claims
- 1971US9093362B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2014·Granted Jul 28, 2015·2 cites·15 claims
- 2069US9412823B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2015·Granted Aug 9, 2016·1 cites·5 claims
- 2168US9653553B2Semiconductor substrate, semiconductor device and method of manufacturing semiconductor deviceTOSHIBA KK·Filed 2016·Granted May 16, 2017·1 cites·11 claims
- 2268US9324787B2Semiconductor deviceTOSHIBA KK·Filed 2014·Granted Apr 26, 2016·2 cites·19 claims
- 2368US8823148B2Diode with epitaxially grown semiconductor layersOTA CHIHARU·Filed 2011·Granted Sep 2, 2014·2 cites·9 claims
- 2466US11764270B2Semiconductor device, method for manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevatorTOSHIBA KK·Filed 2020·Granted Sep 19, 2023·0 cites·15 claims
- 2566US7947988B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2008·Granted May 24, 2011·3 cites·17 claims
- 2666US7420158B2Spread illuminating apparatus including a housing frame with an outer frame member and an inner frame member jointed to a light conductor plateMINEBEA CO LTD·Filed 2007·Granted Sep 2, 2008·4 cites·11 claims
- 2765US10079282B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2014·Granted Sep 18, 2018·1 cites·12 claims
- 2864US9012923B2Semiconductor deviceTOSHIBA KK·Filed 2014·Granted Apr 21, 2015·1 cites·10 claims
- 2961US9111844B2Semiconductor device having silicon carbide epitaxial layers and method of manufacturing the sameTOSHIBA KK·Filed 2014·Granted Aug 18, 2015·1 cites·11 claims
- 3061US2025089322A1Wafer and method for manufacturing the sameTOSHIBA KK·Filed 2024·Application pending·0 cites
- 3159US2024266400A1Semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2023·Application pending·0 cites
- 3256US12406844B2Wafer having a silicon carbide crystal layer with stacking faults provided on a silicon carbide base body and semiconductor device manufactured using the waferTOSHIBA KK·Filed 2022·Granted Sep 2, 2025·0 cites·20 claims
- 3356US11973116B2Semiconductor deviceTOSHIBA KK·Filed 2021·Granted Apr 30, 2024·0 cites·20 claims
- 3456US9171908B2SiC semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2014·Granted Oct 27, 2015·0 cites·7 claims
- 3555US9236434B2Semiconductor device and manufacturing method thereofTOSHIBA KK·Filed 2014·Granted Jan 12, 2016·0 cites·9 claims
- 3655US2024072119A1Semiconductor device and method for manufacturing semiconductor deviceTOSHIBA KK·Filed 2023·Application pending·0 cites
- 3754US11443946B2Method for manufacturing silicon carbide base body, method for manufacturing semiconductor device, silicon carbide base body, and semiconductor deviceTOSHIBA KK·Filed 2020·Granted Sep 13, 2022·0 cites·19 claims
- 3853US2023197790A1Method for manufacturing semiconductor device, semiconductor device, inverter circuit, drive device, vehicle, and elevatorTOSHIBA KK·Filed 2022·Application pending·0 cites
- 3953US2025359238A1Wafer and semiconductor deviceTOSHIBA KK·Filed 2025·Application pending·0 cites
- 4053US2023064469A1Wafer, semiconductor device, method for manufacturing wafer, and method for manufacturing semiconductor deviceTOSHIBA KK·Filed 2022·Application pending·0 cites
- 4152US2023084127A1Semiconductor device manufacturing methodTOSHIBA KK·Filed 2022·Application pending·0 cites
- 4252US2025359237A1Wafer and semiconductor deviceTOSHIBA KK·Filed 2025·Application pending·0 cites
- 4350US9484415B2Semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2014·Granted Nov 1, 2016·0 cites·19 claims
- 4447US11424326B2Semiconductor deviceTOSHIBA KK·Filed 2021·Granted Aug 23, 2022·0 cites·20 claims
- 4547US10998401B2Semiconductor device having a base body of silicon carbideTOSHIBA KK·Filed 2019·Granted May 4, 2021·0 cites·11 claims
- 4647US2016005808A1Semiconductor device and method for manufacturing sameTOSHIBA KK·Filed 2015·Application pending·0 cites
- 4745US2014283736A1Vapor phase growth apparatus and vapor phase growth methodTOSHIBA KK·Filed 2014·Application pending·0 cites
- 4845US2015087125A1Method of manufacturing semiconductor deviceTOSHIBA KK·Filed 2014·Application pending·0 cites
- 4944US8933465B2Semiconductor deviceTOSHIBA KK·Filed 2014·Granted Jan 13, 2015·0 cites·10 claims
- 5044US2014252378A1Semiconductor substrate and semiconductor deviceTOSHIBA KK·Filed 2014·Application pending·0 cites
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →