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Akiko Tsukamoto
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Chiba, JP
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last 30 patents
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Patent Grant
Semiconductor device of polycrystalline silicon resistors
Patent number
8,604,589
Issue date
Dec 10, 2013
Seiko Instruments Inc.
Akiko Tsukamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device
Patent number
8,242,580
Issue date
Aug 14, 2012
Seiko Epson Instruments Inc.
Akiko Tsukamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of fusing trimming for semiconductor device
Patent number
7,829,354
Issue date
Nov 9, 2010
Seiko Instruments Inc.
Akiko Tsukamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device manufacturing method with spin-coating of phot...
Patent number
7,790,555
Issue date
Sep 7, 2010
Seiko Instruments Inc.
Akiko Tsukamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor device
Patent number
7,737,027
Issue date
Jun 15, 2010
Seiko Instruments Inc.
Akiko Tsukamoto
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20100200952
Publication date
Aug 12, 2010
Akiko Tsukamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of manufacturing a semiconductor device
Publication number
20090061620
Publication date
Mar 5, 2009
Akiko Tsukamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of fusing trimming for semiconductor device
Publication number
20080248601
Publication date
Oct 9, 2008
Akiko Tsukamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device manufacturing method and semiconductor device
Publication number
20070272984
Publication date
Nov 29, 2007
Akiko Tsukamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device
Publication number
20070023844
Publication date
Feb 1, 2007
Akiko Tsukamoto
H01 - BASIC ELECTRIC ELEMENTS