Takahisa Sugiman

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of cleaning semiconductor wafer and semiconductor wafer
- Patent number 8,992,791
- Issue date Mar 31, 2015
- Sumco Techxiv Corporation
- Kazuaki Kozasa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitrogen doped silicon wafer and manufacturing method thereof
- Patent number 7,875,117
- Issue date Jan 25, 2011
- Sumco Techxiv Corporation
- Kouzo Nakamura
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Silicon semiconductor substrate heat-treatment method and silicon s...
- Patent number 7,759,227
- Issue date Jul 20, 2010
- Sumco Techxiv Corporation
- Susumu Maeda
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF CLEANING SEMICONDUCTOR WAFER AND SEMICONDUCTOR WAFER
- Publication number 20100093177
- Publication date Apr 15, 2010
- SUMCO TECHXIV CORPORATION
- Kazuaki KOZASA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Silicon Semiconductor Substrate Heat-Treatment Method and Silicon S...
- Publication number 20070252239
- Publication date Nov 1, 2007
- KOMATSU ELECTRONIC METALS CO., LTD
- Susumu Maeda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITORGEN DOPED SILICON WAFER AND MANUFACTURING METHOD THEREOF
- Publication number 20070218570
- Publication date Sep 20, 2007
- KOMATSU ELECTRONIC METALS CO., LTD
- Kouzo Nakamura
- C30 - CRYSTAL GROWTH