Inventor
YOKOYAMA RYUSUKE
JP11 patents
Patents
11 patentsUS11781242B2Oct 10, 2023
Method for controlling convection pattern of silicon melt, method for producing silicon single crystals, and device for pulling silicon single crystals
SUMCO CORP2 citations72
US11441238B2Sep 13, 2022
Silicon monocrystal manufacturing method and silicon monocrystal pulling device
SUMCO CORP2 citations72
US11261540B2Mar 1, 2022
Method of controlling convection patterns of silicon melt and method of manufacturing silicon single crystal
SUMCO CORP2 citations72
US11186921B2Nov 30, 2021
Method for controlling convection pattern of silicon melt and method for producing monocrystalline silicon
SUMCO CORP2 citations71
US12099026B2Sep 24, 2024
Thermal conductivity estimation method, thermal conductivity estimation apparatus, production method for semiconductor crystal product, thermal conductivity calculator, thermal conductivity calculation program, and, thermal conductivity calculation method
SUMCO CORP2 citations70
US11473211B2Oct 18, 2022
Method of estimating oxygen concentration of silicon single crystal and method of manufacturing silicon single crystal
SUMCO CORP2 citations67
US10858753B2Dec 8, 2020
Method and apparatus for manufacturing silicon single crystal
SUMCO CORP1 citations61
US11885038B2Jan 30, 2024
Method of estimating convection pattern of silicon melt, method of estimating oxygen concentration of silicon single crystal, method of manufacturing silicon single crystal, and raising device of silicon single crystal
SUMCO CORP0 citations51
US12595585B2Apr 7, 2026
Heating part of silicon single crystal manufacturing device, convection pattern control method for silicon melt, silicon single crystal manufacturing method, silicon wafer manufacturing method, silicon single crystal manufacturing device, and convection pattern control system for silicon melt
SUMCO CORP0 citations50
US12492489B2Dec 9, 2025
Single crystal manufacturing method, magnetic field generator, and single crystal manufacturing apparatus
SUMCO CORP0 citations50
US12157953B2Dec 3, 2024
Inhibiting dripped granular dopant from adhering to a growing silicon single crystal before the dopant melts
SUMCO CORP0 citations48