Eisaku Tsubota

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Kawasaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device socket
- Patent number 7,230,830
- Issue date Jun 12, 2007
- Yamaichi Electronics Co., Ltd.
- Ryo Ujike
- G01 - MEASURING TESTING
Information Patent Grant
IC socket
- Patent number 5,807,118
- Issue date Sep 15, 1998
- Yamaichi Electronics Co., Ltd.
- Eisaku Tsubota
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Socket for IC package
- Patent number 5,352,124
- Issue date Oct 4, 1994
- Yamaichi Electronics Co., Ltd.
- Noriyuki Matsuoka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor device socket
- Publication number 20050231919
- Publication date Oct 20, 2005
- Yamaichi Electronics Co., Ltd.
- Ryo Ujike
- G01 - MEASURING TESTING