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Higashiosaka-shi, JP
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last 30 patents
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Patent Grant
Synthetic resin lens
Patent number
9,146,336
Issue date
Sep 29, 2015
YAMAMOTO KOGAKU CO., LTD.
Kimio Matsumoto
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
LASER SCATTERED LIGHT MEASURING DEVICE
Publication number
20230073495
Publication date
Mar 9, 2023
YAMAMOTO KOGAKU CO., LTD.
Yoshitaka TANI
G01 - MEASURING TESTING
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Patent Application
SYNTHETIC RESIN LENS
Publication number
20140320985
Publication date
Oct 30, 2014
Kimio Matsumoto
G02 - OPTICS