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Seiichi Ogawa
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Deflection apparatus
Patent number
5,519,371
Issue date
May 21, 1996
Sony Corporation
Seiichi Ogawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for defining an effective picture area of a high definiti...
Patent number
4,953,025
Issue date
Aug 28, 1990
Sony Corporation
Mitsumasa Saitoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Side pincushion correction circuit
Patent number
4,225,809
Issue date
Sep 30, 1980
Sony Corporation
Seiichi Ogawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE