Toshiyuki Isami

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Methods for evaluating and manufacturing semiconductor wafer
- Patent number 8,906,777
- Issue date Dec 9, 2014
- Sumco Techxiv Corporation
- Kazuhiro Iriguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Epitaxial silicon wafer and method for manufacturing same
- Patent number 8,420,514
- Issue date Apr 16, 2013
- Sumco Corporation
- Tadashi Kawashima
- C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING SUPPORT SUBSTRATE FOR BONDED WAFER, AND SUPPOR...
- Publication number 20230395423
- Publication date Dec 7, 2023
- SUMCO CORPORATION
- Naoya NONAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EPITAXIAL SILICON WAFER AND METHOD FOR MANUFACTURING SAME
- Publication number 20120112319
- Publication date May 10, 2012
- SUMCO CORPORATION
- Tadashi Kawashima
- C30 - CRYSTAL GROWTH
Information Patent Application
METHODS FOR EVALUATING AND MANUFACTURING SEMICONDUCTOR WAFER
- Publication number 20090197359
- Publication date Aug 6, 2009
- Sumco Techxiv Corporation
- Kazuhiro Iriguchi
- H01 - BASIC ELECTRIC ELEMENTS