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Yoshihiro Ohya
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Kitakyushu, JP
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last 30 patents
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Patent Grant
Iron core for electrical machinery and apparatus as well as method...
Patent number
4,613,842
Issue date
Sep 23, 1986
Nippon Steel Corporation
Tadashi Ichiyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Laminated core of transformer
Patent number
4,422,061
Issue date
Dec 20, 1983
Nippon Steel Corporation
Takaaki Yamamoto
H01 - BASIC ELECTRIC ELEMENTS