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Masafumi Tajima
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor optical element, semiconductor laser element, and met...
Patent number
10,069,280
Issue date
Sep 4, 2018
Furukawa Electric Co., Ltd.
Kouhei Kinugawa
G02 - OPTICS
Information
Patent Grant
Semiconductor optical element, semiconductor laser element, and met...
Patent number
10,033,154
Issue date
Jul 24, 2018
Furukawa Electronic Co., Ltd.
Kouhei Kinugawa
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
SEMICONDUCTOR OPTICAL ELEMENT, SEMICONDUCTOR LASER ELEMENT, AND MET...
Publication number
20150349495
Publication date
Dec 3, 2015
FURUKAWA ELECTRIC CO., LTD.
Kouhei KINUGAWA
G02 - OPTICS
Information
Patent Application
SEMICONDUCTOR OPTICAL ELEMENT, SEMICONDUCTOR LASER ELEMENT, AND MET...
Publication number
20150180203
Publication date
Jun 25, 2015
FURUKAWA ELECTRIC CO., LTD.
Kouhei KINUGAWA
H01 - BASIC ELECTRIC ELEMENTS