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Masatsugu Watanabe
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Okayama, JP
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last 30 patents
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Patent Grant
Method of making ejection powder for mechanical plating
Patent number
5,547,488
Issue date
Aug 20, 1996
Dowa Iron Powder Co., Ltd.
Masatsugu Watanabe
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Mechanical plating method for forming a zinc alloy film by ejecting...
Patent number
5,354,579
Issue date
Oct 11, 1994
Dowa Iron Powder Co., Ltd.
Masatsugu Watanabe
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Blast material for mechanical plating and continuous mechanical pla...
Patent number
4,714,622
Issue date
Dec 22, 1987
Dowa Iron Powder Co., Ltd.
Shigeru Omori
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Blast material for mechanical plating and continuous mechanical pla...
Patent number
4,655,832
Issue date
Apr 7, 1987
Dowa Iron Powder Co., Ltd.
Shigeru Omori
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...