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Toshihiro Ishizuka
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Hitachinaka, JP
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Patents Grants
last 30 patents
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Patent Grant
Mass spectrometer
Patent number
7,053,367
Issue date
May 30, 2006
Hitachi High-Technologies Corporation
Tomoyuki Tobita
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Ion trap mass spectrometer
Patent number
6,157,030
Issue date
Dec 5, 2000
Hitachi, Ltd.
Minoru Sakairi
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
Mass spectrometer
Publication number
20040262512
Publication date
Dec 30, 2004
Tomoyuki Tobita
H01 - BASIC ELECTRIC ELEMENTS