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Tatsuya Koito
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Preparation process for semiconductor device
Patent number
6,949,465
Issue date
Sep 27, 2005
NEC Electronics Corporation
Hidemitsu Aoki
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Stripping composition
Patent number
6,869,921
Issue date
Mar 22, 2005
NEC Electronics Corporation
Tatsuya Koito
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Anticorrosive agent
Patent number
6,524,376
Issue date
Feb 25, 2003
NEC Corporation
Hidemitsu Aoki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
Preparation process for semiconductor device
Publication number
20040009658
Publication date
Jan 15, 2004
NEC Electronics Corporation
Hidemitsu Aoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Stripping composition
Publication number
20030130147
Publication date
Jul 10, 2003
NEC CORPORATION, SUMITOMO CHEMICAL COMPANY, LIMITED
Tatsuya Koito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Stripper composition and stripping method
Publication number
20010014534
Publication date
Aug 16, 2001
NEC Corporation
Hidemitsu Aoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Anticorrosive agent
Publication number
20010011515
Publication date
Aug 9, 2001
NEC Corporation
Hidemitsu Aoki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...