Inventor · disambiguated record
Yasuhito Narushima
Also filed as: NARUSHIMA YASUHITO
35 granted patents·7 pending applications·57 citations·filing 2007–2025
95Inventor score
Top patents by PatentIndex Score
42 records- 0194US10233564B2Manufacturing method of monocrystalline silicon and monocrystalline siliconSUMCO CORP·Filed 2017·Granted Mar 19, 2019·5 cites·9 claims
- 0292US10227710B2Manufacturing method of silicon monocrystalSUMCO TECHXIV CORP·Filed 2016·Granted Mar 12, 2019·4 cites·2 claims
- 0391US10100429B2Method for producing a silicon single crystal doped with red phosphorous with reduced number of stacking faults and method for producing a silicon wafer using the sameSUMCO CORP·Filed 2015·Granted Oct 16, 2018·4 cites·12 claims
- 0486US8518180B2Silicon single crystal pull-up apparatus having a sliding sample tubeNARUSHIMA YASUHITO·Filed 2009·Granted Aug 27, 2013·6 cites·14 claims
- 0585US8574363B2Process for production of silicon single crystal, and highly doped N-type semiconductor substrateKAWAZOE SHINICHI·Filed 2008·Granted Nov 5, 2013·5 cites·2 claims
- 0683US10982350B2Silicon monocrystal production methodSUMCO CORP·Filed 2017·Granted Apr 20, 2021·1 cites·4 claims
- 0782US10895018B2Method for producing silicon single crystalSUMCO CORP·Filed 2017·Granted Jan 19, 2021·1 cites·4 claims
- 0881US11047065B2Method for producing silicon single crystal, heat shield, and single crystal pulling deviceSUMCO CORP·Filed 2017·Granted Jun 29, 2021·1 cites·18 claims
- 0981US8852340B2Method for manufacturing single crystalSUMCO TECHXIV CORP·Filed 2013·Granted Oct 7, 2014·1 cites·5 claims
- 1080US8871023B2Silicon single crystal pull-up apparatus and method of manufacturing silicon single crystalTAKANASHI KEIICHI·Filed 2011·Granted Oct 28, 2014·7 cites·8 claims
- 1180US8580032B2Method for manufacturing single crystalNARUSHIMA YASUHITO·Filed 2008·Granted Nov 12, 2013·3 cites·5 claims
- 1279US8283241B2Dopant implanting method and doping apparatusNARUSHIMA YASUHITO·Filed 2008·Granted Oct 9, 2012·3 cites·6 claims
- 1378US12252803B2N-type silicon single crystal production method, n-type silicon single crystal ingot, silicon wafer, and epitaxial silicon waferSUMCO CORP·Filed 2023·Granted Mar 18, 2025·0 cites·3 claims
- 1478US10233562B2Method for producing single crystal, and method for producing silicon waferSUMCO TECHXIV CORP·Filed 2014·Granted Mar 19, 2019·1 cites·8 claims
- 1578US9074298B2Processes for production of silicon ingot, silicon wafer and epitaxial wafer, and silicon ingotKAWAZOE SHINICHI·Filed 2009·Granted Jul 7, 2015·3 cites·17 claims
- 1678US8535439B2Manufacturing method for silicon single crystalNARUSHIMA YASUHITO·Filed 2010·Granted Sep 17, 2013·1 cites·30 claims
- 1777US12031231B2Low resistivity waferSUMCO CORP·Filed 2023·Granted Jul 9, 2024·0 cites·16 claims
- 1876US2024328034A1Low resistivity waferSUMCO CORP·Filed 2024·Application pending·0 cites
- 1972US2025179682A1N-type silicon single crystal production method, n-type silicon single crystal ingot, silicon wafer, and epitaxial silicon waferSUMCO CORP·Filed 2025·Application pending·0 cites
- 2070US8043428B2Process for production of silicon single crystalSUMCO TECHXIV CORP·Filed 2008·Granted Oct 25, 2011·1 cites·3 claims
- 2168US8961686B2Method of manufacturing monocrystal, flow straightening cylinder, and monocrystal pulling-up deviceKAWAZOE SHINICHI·Filed 2008·Granted Feb 24, 2015·1 cites·6 claims
- 2268US8747551B2Process for production of silicon single crystal, and highly doped N-type semiconductor substrateSUMCO TECHXIV CORP·Filed 2013·Granted Jun 10, 2014·0 cites·2 claims
- 2368US8409347B2Method of dopant injection, N-type silicon single-crystal, doping apparatus and pull-up deviceKAWAZOE SHINICHI·Filed 2007·Granted Apr 2, 2013·1 cites·10 claims
- 2467US11598023B2Low resistivity wafer and method of manufacturing thereofSUMCO CORP·Filed 2020·Granted Mar 7, 2023·0 cites·10 claims
- 2567US10916425B2Method for manufacturing silicon single crystal, flow straightening member, and single crystal pulling deviceSUMCO CORP·Filed 2017·Granted Feb 9, 2021·1 cites·8 claims
- 2663US8888911B2Method of producing single crystal siliconUTO MASAYUKI·Filed 2010·Granted Nov 18, 2014·4 cites·9 claims
- 2759US8840721B2Method of manufacturing silicon single crystalNARUSHIMA YASUHITO·Filed 2010·Granted Sep 23, 2014·1 cites·7 claims
- 2858US11702760B2N-type silicon single crystal production method, n-type silicon single crystal ingot, silicon wafer, and epitaxial silicon waferSUMCO CORP·Filed 2018·Granted Jul 18, 2023·0 cites·3 claims
- 2955US8920561B2Silicon single crystal pull-up apparatus that pulls a doped silicon single crystal from a meltNARUSHIMA YASUHITO·Filed 2009·Granted Dec 30, 2014·1 cites·5 claims
- 3053US9212431B2Silicon single crystal pulling device and graphite member used thereinKAWAZOE SHINICHI·Filed 2007·Granted Dec 15, 2015·0 cites·8 claims
- 3151US12297560B2Method for manufacturing monocrystalline silicon by the Czochralski process by pulling a first straight body having a first diameter and a second straight body having a second diameter larger than the first diameterSUMCO CORP·Filed 2020·Granted May 13, 2025·0 cites·6 claims
- 3251US10294583B2Producing method and apparatus of silicon single crystal, and silicon single crystal ingotNARUSHIMA YASUHITO·Filed 2008·Granted May 21, 2019·1 cites·6 claims
- 3350US11377755B2N-type silicon single crystal production method, n-type silicon single crystal ingot, silicon wafer, and epitaxial silicon waferSUMCO CORP·Filed 2018·Granted Jul 5, 2022·0 cites·2 claims
- 3449US11242617B2Method for producing silicon single crystalSUMCO CORP·Filed 2017·Granted Feb 8, 2022·0 cites·6 claims
- 3548US2025185323A1Silicon wafer and epitaxial silicon waferSUMCO CORP·Filed 2025·Application pending·0 cites
- 3648US2009145350A1Method of injecting dopant gasSUMCO TECHXIV CORP·Filed 2007·Application pending·0 cites
- 3747US10329686B2Method for producing single crystalSUMCO CORP·Filed 2015·Granted Jun 25, 2019·0 cites·5 claims
- 3847US2023132859A1Silicon wafer and epitaxial silicon waferSUMCO CORP·Filed 2022·Application pending·0 cites
- 3947US2024003044A1Silicon single crystal growing methodSUMCO CORP·Filed 2021·Application pending·0 cites
- 4043US8715416B2Doping apparatus for simultaneously injecting two dopants into a semiconductor melt at different positions and method for manufacturing silicon single crystal using the doping apparatusNARUSHIMA YASUHITO·Filed 2008·Granted May 6, 2014·0 cites·6 claims
- 4138US2020135460A1Single crystal silicon production method, epitaxial silicon wafer production method, single crystal silicon, and epitaxial silicon waferSUMCO CORP·Filed 2018·Application pending·0 cites
- 4237US8110042B2Method for manufacturing single crystalNARUSHIMA YASUHITO·Filed 2008·Granted Feb 7, 2012·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →