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Masashi Ikegaya
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Shizuoka, JA
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last 30 patents
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Patent Grant
Method of forming oxide film on aluminum or aluminum alloy
Patent number
3,997,412
Issue date
Dec 14, 1976
Riken Light Metal Industries Company, Ltd.
Masashi Ikegaya
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for producing a protective film on an aluminum surface
Patent number
3,988,217
Issue date
Oct 26, 1976
Riken Lightmetal Industry Co., Ltd.
Masashi Ikegaya
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Apparatus for surface treating metal members
Patent number
3,968,020
Issue date
Jul 6, 1976
Riken Keikinzoku Kogyo Kabushiki Kaisha
Toshihiro Nagano
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...