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Hitachioota, JP
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last 30 patents
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Patent Grant
Bonding apparatus and testing apparatus of a bonded portion
Patent number
5,323,952
Issue date
Jun 28, 1994
Hitachi, Ltd.
Mituo Kato
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Semiconductor module and cooling device of the same
Patent number
4,996,589
Issue date
Feb 26, 1991
Hitachi, Ltd.
Ryoichi Kajiwara
H01 - BASIC ELECTRIC ELEMENTS