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Tomoyoshi Ohkita
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Tokyo, JP
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last 30 patents
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Patent Grant
Method for manufacturing Ni-Fe alloy sheet having excellent DC magn...
Patent number
4,948,434
Issue date
Aug 14, 1990
NKK Corporation
Tadashi Inoue
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patent Grant
Method for continuously electro-tinplating metallic material
Patent number
4,936,965
Issue date
Jun 26, 1990
NKK Corporation
Naoyuki Ooniwa
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR