Shigeki Nishimura

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Yamaguchi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Crushed polycrystalline silicon lumps and method for producing same
- Patent number 11,498,840
- Issue date Nov 15, 2022
- Tokuyama Corporation
- Shigeki Nishimura
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for manufacturing polycrystalline silicon fragment and metho...
- Patent number 11,214,892
- Issue date Jan 4, 2022
- Tokuyama Corporation
- Shigeki Nishimura
- C30 - CRYSTAL GROWTH
Information Patent Grant
Alkaline etching solution for semiconductor wafers and alkaline etc...
- Patent number 7,780,868
- Issue date Aug 24, 2010
- Siltronic AG
- Shigeki Nishimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-purity alkali etching solution for silicon wafers and use thereof
- Patent number 7,288,206
- Issue date Oct 30, 2007
- Siltronic AG
- Shigeki Nishimura
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Crushed Polycrystalline Silicon Lumps and Method for Producing Same
- Publication number 20210114884
- Publication date Apr 22, 2021
- Tokuyama Corporation
- Shigeki Nishimura
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
Method for Manufacturing Polycrystalline Silicon Fragment and Metho...
- Publication number 20200299860
- Publication date Sep 24, 2020
- Tokuyama Corporation
- Shigeki NISHIMURA
- C30 - CRYSTAL GROWTH
Information Patent Application
Device For Producing Cleaned Crushed Product Of Polycrystalline Sil...
- Publication number 20160339485
- Publication date Nov 24, 2016
- Tokuyama Corporation
- Shigeki Nishimura
- B08 - CLEANING
Information Patent Application
METHOD OF PROCESSING SILICON WAFER
- Publication number 20110104904
- Publication date May 5, 2011
- Siltronic AG
- Shigeki Nishimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Alkaline etching solution for semiconductor wafers and alkaline etc...
- Publication number 20080064222
- Publication date Mar 13, 2008
- Siltronic AG
- Shigeki Nishimura
- C01 - INORGANIC CHEMISTRY