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Toyohiko Hiyoshi
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Ushiku, JP
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last 30 patents
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Patent Grant
Polishing method with error correction
Patent number
5,157,878
Issue date
Oct 27, 1992
Canon Kabushiki Kaisha
Toyohiko Hiyoshi
G05 - CONTROLLING REGULATING
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Patent Grant
Polishing apparatus
Patent number
4,993,190
Issue date
Feb 19, 1991
Canon Kabushiki Kaisha
Toyohiko Hiyoshi
G05 - CONTROLLING REGULATING