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Kensaku IGARASHI
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Nishigo-mura, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for cleaning silicon wafer
Patent number
11,878,329
Issue date
Jan 23, 2024
Shin-Etsu Handotai Co., Ltd.
Kensaku Igarashi
B08 - CLEANING
Information
Patent Grant
Method for cleaning semiconductor wafer
Patent number
11,862,456
Issue date
Jan 2, 2024
Shin-Etsu Handotai Co., Ltd.
Kensaku Igarashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for evaluating silicon wafer and method for manufacturing si...
Patent number
11,222,780
Issue date
Jan 11, 2022
Shin-Etsu Handotai Co., Ltd.
Kensaku Igarashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for cleaning semiconductor wafer
Patent number
11,177,125
Issue date
Nov 16, 2021
Shin-Etsu Handotai Co., Ltd.
Kensaku Igarashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for cleaning semiconductor wafer
Patent number
11,094,525
Issue date
Aug 17, 2021
Shin-Etsu Handotai Co., Ltd.
Kensaku Igarashi
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR CLEANING SEMICONDUCTOR WAFER
Publication number
20230154742
Publication date
May 18, 2023
Shin-Etsu Handotai Co., Ltd.
Kensaku IGARASHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
APPARATUS FOR CLEANING SEMICONDUCTOR SILICON WAFER AND METHOD FOR C...
Publication number
20220059343
Publication date
Feb 24, 2022
Shin-Etsu Handotai Co., Ltd.
Kensaku IGARASHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WAFER TREATMENT APPARATUS AND METHOD FOR TREATING WAFER
Publication number
20210013031
Publication date
Jan 14, 2021
Shin-Etsu Handotai Co., Ltd.
Kensaku IGARASHI
B08 - CLEANING
Information
Patent Application
METHOD FOR EVALUATING SILICON WAFER AND METHOD FOR MANUFACTURING SI...
Publication number
20200203233
Publication date
Jun 25, 2020
Shin-Etsu Handotai Co., Ltd.
Kensaku IGARASHI
B08 - CLEANING
Information
Patent Application
METHOD FOR CLEANING SILICON WAFER
Publication number
20200164410
Publication date
May 28, 2020
Shin-Etsu Handotai Co., Ltd.
Kensaku IGARASHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR CLEANING SEMICONDUCTOR WAFER
Publication number
20200105517
Publication date
Apr 2, 2020
Shin-Etsu Handotai Co., Ltd.
Kensaku IGARASHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR CLEANING SEMICONDUCTOR WAFER
Publication number
20200027721
Publication date
Jan 23, 2020
Shin-Etsu Handotai Co., Ltd.
Kensaku IGARASHI
H01 - BASIC ELECTRIC ELEMENTS