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Susumu Namba
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Ion-producing apparatus
Patent number
4,749,912
Issue date
Jun 7, 1988
Rikagaku Kenkyusho
Tamio Hara
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Electron beam-excited ion beam source
Patent number
4,749,910
Issue date
Jun 7, 1988
Rikagaku Kenkyusho
Tamio Hara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing echelette gratings
Patent number
4,131,506
Issue date
Dec 26, 1978
Rikagaku Kenkyusho
Susumu Namba
G02 - OPTICS