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Tsuyoshi Imaizumi
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical fiber cleaver and optical fiber cleaving method
Patent number
11,320,593
Issue date
May 3, 2022
Sumitomo Electric Industries, Ltd.
Motoyoshi Kimura
G02 - OPTICS
Information
Patent Grant
Optical cable connecting closure and optical interconnection system
Patent number
8,254,741
Issue date
Aug 28, 2012
Sumitomo Electric Industries, Ltd.
Tsuyoshi Imaizumi
G02 - OPTICS
Information
Patent Grant
Container for use in a communication apparatus having a plurality f...
Patent number
6,362,951
Issue date
Mar 26, 2002
NEC Corporation
Makoto Moribe
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Attaching arrangement of an optical cable case to a container box o...
Patent number
6,178,282
Issue date
Jan 23, 2001
NEC Corporation
Makoto Moribe
G02 - OPTICS
Information
Patent Grant
Optical fiber path joint member and method of blowing optical fiber
Patent number
5,781,678
Issue date
Jul 14, 1998
Sumitomo Electric Industries, Ltd.
Hiroaki Sano
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL CONNECTOR
Publication number
20230333324
Publication date
Oct 19, 2023
NIPPON TSUSHIN DENZAI CO., LTD.
Yoshio UKITA
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER CONNECTING JIG AND OPTICAL CONNECTOR
Publication number
20230314729
Publication date
Oct 5, 2023
NIPPON TSUSHIN DENZAI CO., LTD.
Yoshio UKITA
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER CLEAVER AND OPTICAL FIBER CLEAVING METHOD
Publication number
20210080652
Publication date
Mar 18, 2021
Sumitomo Electric Industries, Ltd.
Motoyoshi KIMURA
G02 - OPTICS
Information
Patent Application
CONNECTED OPTICAL FIBER AND METHOD FOR ASSEMBLING SAME
Publication number
20120195557
Publication date
Aug 2, 2012
Sumitomo Electric Industries, Ltd.
Daizo Nishioka
G02 - OPTICS
Information
Patent Application
OPTICAL ACCESS NETWORK SYSTEM
Publication number
20100104247
Publication date
Apr 29, 2010
Sumitomo Electric Industries, Ltd.
Tsuyoshi Imaizumi
G02 - OPTICS
Information
Patent Application
OPTICAL CABLE CONNECTING CLOSURE AND OPTICAL INTERCONNECTION SYSTEM
Publication number
20100074578
Publication date
Mar 25, 2010
Tsuyoshi Imaizumi
G02 - OPTICS