Keiichiro HIRAKI

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Silicon wafer and method for manufacturing same
- Patent number 10,526,728
- Issue date Jan 7, 2020
- Sumco Corporation
- Satoshi Kudo
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method of manufacturing silicon single crystal, silicon single crys...
- Patent number 8,771,415
- Issue date Jul 8, 2014
- Sumco Corporation
- Shigeru Umeno
- C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

Information Patent Application
SILICON WAFER AND METHOD FOR MANUFACTURING SAME
- Publication number 20170044688
- Publication date Feb 16, 2017
- SUMCO CORPORATION
- Satoshi KUDO
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD OF MANUFACTURING SILICON SINGLE CRYSTAL, SILICON SINGLE CRYS...
- Publication number 20100111802
- Publication date May 6, 2010
- SUMCO CORPORATION
- Shigeru UMENO
- C30 - CRYSTAL GROWTH