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Ryuji Kotani
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Yamaguchi, JP
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last 30 patents
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Patent Grant
Rinsing agent, and method for production of hard disk substrate
Patent number
9,187,718
Issue date
Nov 17, 2015
Toyo Kohan Co., Ltd.
Nobuhiro Iwamoto
B24 - GRINDING POLISHING
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last 30 patents
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Patent Application
RINSING AGENT, AND METHOD FOR PRODUCTION OF HARD DISK SUBSTRATE
Publication number
20130122786
Publication date
May 16, 2013
KOHAN KOGYO CO., LTD.
Nobuhiro Iwamoto
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...