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Haruhiko Imada
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Hadano, JP
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last 30 patents
Information
Patent Grant
Method and apparatus for signal transmission
Patent number
5,761,253
Issue date
Jun 2, 1998
Hitachi, Ltd.
Yuzuru Fujita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for diagnosing the life of a solder connection
Patent number
5,291,419
Issue date
Mar 1, 1994
Hitachi, Ltd.
Ryohei Satoh
G01 - MEASURING TESTING
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Patent Grant
Multilayer circuit board
Patent number
4,706,165
Issue date
Nov 10, 1987
Hitachi Microcomputer Engineering Co., Ltd.
Takaji Takenaka
H01 - BASIC ELECTRIC ELEMENTS