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Masaaki ICHIKAWA
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Kanagawa, JP
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last 30 patents
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Patent Application
POLISHING PAD
Publication number
20210370475
Publication date
Dec 2, 2021
Masaaki Ichikawa
B24 - GRINDING POLISHING
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Patent Application
ABRASIVE ROLL AND METHOD FOR MANUFACTURING ABRASIVE ROLLER
Publication number
20200353592
Publication date
Nov 12, 2020
3M Innovative Properties Company
Shoichi MASUDA
B24 - GRINDING POLISHING