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Akio Sakai
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Tokyo, JP
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last 30 patents
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Patent Grant
Al.sub.2 O.sub.3 based ceramic
Patent number
5,275,981
Issue date
Jan 4, 1994
Mitsubishi Material Corporation
Akio Nishiyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Al.sub.2 O.sub.3 Based ceramics
Patent number
5,188,908
Issue date
Feb 23, 1993
Mitsubishi Materials Corporation
Akio Nishiyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR