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Cutting tool
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Patent number 10,766,077
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Issue date Sep 8, 2020
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Sumitomo Electric Hardmetal Corp.
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Yoshikatsu Mori
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Cutting insert
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Patent number D712942
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Issue date Sep 9, 2014
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Sumitomo Electric Hardmetal Corp.
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Christoph Zeiner
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D15 - Machines not elsewhere specified
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-
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Throw-away tipped drill
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Patent number 5,228,812
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Issue date Jul 20, 1993
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Sumitomo Electric Industries, Ltd.
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Kazuo Noguchi
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Ball end mill with throw away insert
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Patent number 4,898,500
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Issue date Feb 6, 1990
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Sumitomo Electric Industries, Ltd.
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Naohiro Nakamura
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Throwaway tip
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Patent number 4,741,649
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Issue date May 3, 1988
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Sumitomo Electric Industries, Ltd.
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Yoshikatsu Mori
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Drill bit structure
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Patent number 4,728,231
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Issue date Mar 1, 1988
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Sumitomo Electric Industries, Ltd.
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Nagatoshi Kunimori
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Coated hard metal tool
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Patent number 4,643,620
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Issue date Feb 17, 1987
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Sumitomo Electric Industries, Ltd.
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Hiroshi Fujii
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Throw-away insert
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Patent number 4,629,371
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Issue date Dec 16, 1986
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Sumitomo Electric Industries, Ltd.
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Jun Maeda
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Throwaway insert
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Patent number 4,597,696
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Issue date Jul 1, 1986
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Sumitomo Electric Industries Ltd.
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Jun Maeda
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Cemented carbide drill bit
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Patent number 4,583,888
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Issue date Apr 22, 1986
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Sumitomo Electric Industries, Ltd.
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Yoshikatsu Mori
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Throw away insert
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Patent number 4,441,841
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Issue date Apr 10, 1984
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Sumitomo Electric Industries, Ltd.
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Yoshikatsu Mori
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Cutting tool
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Patent number 4,325,664
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Issue date Apr 20, 1982
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Sumitomo Electric Industries, Ltd.
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Yoshikatsu Mori
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Throw away insert
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Patent number 4,304,509
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Issue date Dec 8, 1981
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Sumitomo Electric Industries, Ltd.
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Yoshikatsu Mori
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Throw away inserts
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Patent number 4,214,845
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Issue date Jul 29, 1980
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Sumitomo Electric Industries, Ltd.
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Yoshikatsu Mori
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR