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Yasuhiro Saito
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Itami, JP
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last 30 patents
Information
Patent Grant
Coated cemented carbides
Patent number
5,116,694
Issue date
May 26, 1992
Sumitomo Electric Industries, Ltd.
Hiroshi Tsukada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Tool for warm and hot forgings and process for manufacturing the same
Patent number
4,628,178
Issue date
Dec 9, 1986
Sumitomo Electric Industries, Ltd.
Masaya Miyake
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Super hard metal roll assembly and production thereof
Patent number
4,137,106
Issue date
Jan 30, 1979
Sumitomo Electric Industries, Ltd.
Yoshihiko Doi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...