Satoshi Shimura

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Kokubunji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mass spectrometer using plasma ion source
- Patent number 5,148,021
- Issue date Sep 15, 1992
- Hitachi, Ltd.
- Yukio Okamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma analyzer for trace element analysis
- Patent number 5,130,537
- Issue date Jul 14, 1992
- Hitachi, Ltd.
- Yukio Okamoto
- G01 - MEASURING TESTING
Information Patent Grant
Plasma source mass spectrometer
- Patent number 4,963,735
- Issue date Oct 16, 1990
- Hitachi, Ltd.
- Yukio Okamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasma ion source mass spectrometer
- Patent number 4,948,962
- Issue date Aug 14, 1990
- Hitachi, Ltd.
- Yasuhiro Mitsui
- H01 - BASIC ELECTRIC ELEMENTS