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Takatomo Itou
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Optical modulator
Patent number
11,397,342
Issue date
Jul 26, 2022
Sumitomo Osaka Cement Co., Ltd.
Takatomo Itou
G02 - OPTICS
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Patent Grant
Optical modulator
Patent number
9,448,457
Issue date
Sep 20, 2016
Sumitomo Osaka Cement Co., Ltd.
Takatomo Itou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
OPTICAL MODULATOR
Publication number
20210018771
Publication date
Jan 21, 2021
Sumitomo Osaka Cement Co., Ltd.
Takatomo ITOU
G02 - OPTICS
Information
Patent Application
OPTICAL MODULATOR
Publication number
20150147018
Publication date
May 28, 2015
Sumitomo Osaka Cement Co., Ltd.
Takatomo Itou
G02 - OPTICS