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Tadashi Kumagai
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Fukushima-ken, JP
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Patents Grants
last 30 patents
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Patent Grant
Plasma processing apparatus, method for operating the same, designi...
Patent number
7,095,178
Issue date
Aug 22, 2006
Alps Electric Co., Ltd.
Akira Nakano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Plasma processing apparatus
Patent number
6,954,033
Issue date
Oct 11, 2005
Alps Electric Co., Ltd.
Akira Nakano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Local oscillator circuit having two phase locked loops having respe...
Patent number
4,225,829
Issue date
Sep 30, 1980
Alps Electric Co., Ltd.
Tadashi Kumagai
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
Plasma processing apparatus, method for operating the same, designi...
Publication number
20030097984
Publication date
May 29, 2003
Alps Electric Co., Ltd.
Akira Nakano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Plasma processing apparatus
Publication number
20030098127
Publication date
May 29, 2003
Alps Electric Co., Ltd.
Akira Nakano
H01 - BASIC ELECTRIC ELEMENTS