Inventor
NAKAI RYUSUKE
JP15 patents
⚠️ This page may combine multiple inventors who share the name “NAKAI RYUSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
11 patentsUS5647917AJul 15, 1997
Epitaxy for growing compound semiconductors and an InP substrate for epitaxial growth
SUMITOMO ELECTRIC INDUSTRIES20 citations85
US4634490AJan 6, 1987
Method of monitoring single crystal during growth
SUMITOMO ELECTRIC INDUSTRIES18 citations73
US6180269B1Jan 30, 2001
GaAs single crystal substrate and epitaxial wafer using the same
SUMITOMO ELECTRIC INDUSTRIES12 citations72
US5105628AApr 21, 1992
Method of storing semiconductor substrate
SUMITOMO ELECTRIC INDUSTRIES11 citations72
US4863554ASep 5, 1989
Process for pulling a single crystal
SUMITOMO ELECTRIC INDUSTRIES17 citations72
US4636280AJan 13, 1987
Method for the pretreatment of a substrate for ion implantation
SUMITOMO ELECTRIC INDUSTRIES10 citations72
US4556784ADec 3, 1985
Method for controlling vertically arranged heaters in a crystal pulling device
SUMITOMO ELECTRIC INDUSTRIES8 citations72
US11685655B2Jun 27, 2023
Carbon nanostructure producing method, carbon nanostructure and carbon nanostructure producing apparatus
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US11220432B2Jan 11, 2022
Method for producing carbon nanostructure and apparatus for producing carbon nanostructure
SUMITOMO ELECTRIC INDUSTRIES0 citations50
US10767282B2Sep 8, 2020
Method for manufacturing carbon nanostructure, and device for manufacturing carbon nanostructure
SUMITOMO ELECTRIC INDUSTRIES0 citations50
US9688376B2Jun 27, 2017
Ballast water treatment system for ship
SUMITOMO ELECTRIC INDUSTRIES1 citations50
TANAKA PRECIOUS METAL IND
3 patentsUS10883162B2Jan 5, 2021
Alloy for medical use, and method for producing same
TANAKA PRECIOUS METAL IND3 citations70
US10220120B2Mar 5, 2019
Alloy for medical use and method of producing the same
TANAKA PRECIOUS METAL IND3 citations70
US11345986B2May 31, 2022
Alloy for medical use, and method for producing same
TANAKA PRECIOUS METAL IND0 citations60