Inventor

TOKUMARU SHINJI

JP8 patents

⚠️ This page may combine multiple inventors who share the name “TOKUMARU SHINJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON STEEL CORP

3 patents

US6395249B1May 28, 2002

Production process and apparatus for high purity silicon

NIPPON STEEL CORP24 citations91

US7455822B2Nov 25, 2008

Method for production of silicon

NIPPON STEEL CORP2 citations61

US5523166AJun 4, 1996

Process for forming thin film having excellent insulating property and metallic substrate coated with insulating material formed by said process

NIPPON STEEL CORP1 citations49

NIPPON STEEL MATERIALS CO LTD

2 patents

US8038973B2Oct 18, 2011

High purity silicon production system and production method

NIPPON STEEL MATERIALS CO LTD0 citations49

US7662356B2Feb 16, 2010

Method of refining Si

NIPPON STEEL MATERIALS CO LTD0 citations49

NIPPON STEEL & SUMITOMO METAL CORP

1 patent

US10978988B2Apr 13, 2021

Selective emitter for thermophotovoltaic power generator

NIPPON STEEL & SUMITOMO METAL CORP0 citations61

NIPPON STEEL ENG CO LTD

1 patent

US11839906B2Dec 12, 2023

Ultrasonic treatment apparatus

NIPPON STEEL ENG CO LTD0 citations42

TOKUMARU SHINJI

1 patent

US10167199B2Jan 1, 2019

Method for manufacturing highly pure silicon, highly pure silicon obtained by this method, and silicon raw material for manufacturing highly pure silicon

TOKUMARU SHINJI0 citations37