Sumihisa Masuda

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing epitaxial wafer and the epitaxial wafer having...
- Patent number 9,685,315
- Issue date Jun 20, 2017
- SUMCO Corporation
- Sumihisa Masuda
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method of producing epitaxial silicon wafer and epitaxial silicon w...
- Patent number 9,631,297
- Issue date Apr 25, 2017
- Sumco Corporation
- Kazuhiro Narahara
- C30 - CRYSTAL GROWTH
Information Patent Grant
Semiconductor wafer and method of producing same
- Patent number 8,952,496
- Issue date Feb 10, 2015
- Sumco Corporation
- Sumihisa Masuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor wafer and method of producing the same
- Patent number 8,772,177
- Issue date Jul 8, 2014
- Sumco Corporation
- Sumihisa Masuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor wafer manufacturing method
- Patent number 6,465,328
- Issue date Oct 15, 2002
- Sumitomo Metal Industries, Ltd.
- Tomohiro Hashii
- B24 - GRINDING POLISHING
Information Patent Grant
Manufacturing method for semiconductor gas-phase epitaxial wafer
- Patent number 6,211,088
- Issue date Apr 3, 2001
- Sumitomo Metal Industries, Ltd.
- Sumihisa Masuda
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
WAFER SEPARATION APPARATUS AND METHOD, AND METHOD FOR MANUFACTURING...
- Publication number 20240213050
- Publication date Jun 27, 2024
- SUMCO CORPORATION
- Tomohiro HASHII
- B32 - LAYERED PRODUCTS
Information Patent Application
METHOD OF PRODUCING EPITAXIAL SILICON WAFER AND EPITAXIAL SILICON W...
- Publication number 20150184314
- Publication date Jul 2, 2015
- SUMCO CORPORATION
- Kazuhiro Narahara
- C30 - CRYSTAL GROWTH
Information Patent Application
SEMICONDUCTOR WAFER AND METHOD OF PRODUCING SAME
- Publication number 20140264765
- Publication date Sep 18, 2014
- SUMCO CORPORATION
- Sumihisa Masuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF PRODUCING EPITAXIAL WAFER AND THE EPITAXIAL WAFER
- Publication number 20130264690
- Publication date Oct 10, 2013
- SUMCO CORPORATION
- Sumihisa Masuda
- C30 - CRYSTAL GROWTH
Information Patent Application
SEMICONDUCTOR WAFER AND METHOD OF PRODUCING THE SAME
- Publication number 20120248578
- Publication date Oct 4, 2012
- Sumihisa Masuda
- H01 - BASIC ELECTRIC ELEMENTS