Inventor
SUGAWARA KOSEI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “SUGAWARA KOSEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHINETSU HANDOTAI KK
5 patentsUS12084788B2Sep 10, 2024
Method for producing a silicon single crystal doped with nitrogen and having a controlled amount of carbon impurities
SHINETSU HANDOTAI KK0 citations61
US11053606B2Jul 6, 2021
Method of producing silicon single crystal, and silicon single crystal wafer
SHINETSU HANDOTAI KK0 citations60
US12188153B2Jan 7, 2025
Single-crystal pulling apparatus with saddle-shaped superconducting coils and single-crystal pulling method
SHINETSU HANDOTAI KK0 citations47
US9650725B2May 16, 2017
Method for manufacturing a defect-controlled low-oxygen concentration silicon single crystal wafer
SHINETSU HANDOTAI KK0 citations40
US9783912B2Oct 10, 2017
Silicon single crystal growing apparatus and method for growing silicon single crystal
SHINETSU HANDOTAI KK0 citations39
SUGAWARA KOSEI
2 patentsUS8885915B2Nov 11, 2014
Method for measuring and controlling distance between lower end surface of heat shielding member and surface of raw material melt and method for manufacturing silicon single crystal
SUGAWARA KOSEI3 citations57
US8083852B2Dec 27, 2011
Single crystal growth method and single crystal pulling apparatus
SUGAWARA KOSEI0 citations44
SHIN ETSU HANDOTAI CO LTD
2 patentsUS12227872B2Feb 18, 2025
Single-crystal pulling apparatus and single-crystal pulling method
SHIN ETSU HANDOTAI CO LTD0 citations48
US12571124B2Mar 10, 2026
Method for measuring distance between lower end surface of heat shielding member and surface of raw material melt, method for controlling distance between lower end surface of heat shielding member and surface of raw material melt and method for manufacturing silicon single crystal
SHIN ETSU HANDOTAI CO LTD0 citations45