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Masami Nakano
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Annaka, JP
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last 30 patents
Information
Patent Grant
Method for inducing damage for gettering to single crystal silicon...
Patent number
5,759,087
Issue date
Jun 2, 1998
Shin-Etsu Handotai Co., Ltd.
Hisashi Masumura
B24 - GRINDING POLISHING
Information
Patent Grant
Method for cleaning semiconductor silicon wafer
Patent number
5,665,168
Issue date
Sep 9, 1997
Shin-Etsu Handotai Co., Ltd.
Masami Nakano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of cleaning silicon wafers in cleaning baths with controlled...
Patent number
5,662,743
Issue date
Sep 2, 1997
Shin-Etsu Handotai Co., Ltd.
Masami Nakano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of cleaning semiconductor wafers
Patent number
5,626,681
Issue date
May 6, 1997
Shin-Etsu Handotai Co., Ltd.
Masami Nakano
B08 - CLEANING
Information
Patent Grant
Brush cleaning apparatus and cleaning system for disk-shaped object...
Patent number
5,581,837
Issue date
Dec 10, 1996
Shin-Etsu Handotai Co., Ltd.
Isao Uchiyama
B08 - CLEANING
Information
Patent Grant
Method of making semiconductor wafers
Patent number
5,494,862
Issue date
Feb 27, 1996
Shin-Etsu Handotai Co., Ltd.
Tadahiro Kato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for production of wafer
Patent number
5,447,890
Issue date
Sep 5, 1995
Shin-Etsu Handotai Co., Ltd.
Tadahiro Kato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of inspecting bonded wafers
Patent number
5,007,071
Issue date
Apr 9, 1991
Shin-Etsu Handotai Co., Ltd.
Masami Nakano
G01 - MEASURING TESTING