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Satoshi Osabe
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Higashimurayama, JP
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Patents Grants
last 30 patents
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Patent Grant
Method for polishing surface of semiconductor device substrate
Patent number
6,663,468
Issue date
Dec 16, 2003
Hitachi, Ltd.
Yoshio Kawamura
B24 - GRINDING POLISHING
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Patent Grant
Surface analyzing method and its apparatus
Patent number
5,714,757
Issue date
Feb 3, 1998
Hitachi, Ltd.
Naoshi Itabashi
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
Method for polishing surface of semiconductor device substrate
Publication number
20040048554
Publication date
Mar 11, 2004
Hitachi, Ltd.
Yoshio Kawamura
B24 - GRINDING POLISHING
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Patent Application
Method for polishing surface of semicon-ductor device substrate
Publication number
20010007795
Publication date
Jul 12, 2001
Yoshio Kawamura
B24 - GRINDING POLISHING