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Yoshihiro Nakatani
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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical cable monitoring system
Patent number
10,724,921
Issue date
Jul 28, 2020
Hitachi Metals, Ltd.
Yoshihiro Nakatani
G01 - MEASURING TESTING
Information
Patent Grant
Communication light detection device
Patent number
10,459,176
Issue date
Oct 29, 2019
Hitachi Metals, Ltd.
Kanako Suzuki
G02 - OPTICS
Information
Patent Grant
Optical fiber monitoring system
Patent number
10,254,197
Issue date
Apr 9, 2019
Hitachi Metals, Ltd.
Kanako Suzuki
G01 - MEASURING TESTING
Information
Patent Grant
Communication light detecting structure, communication light detect...
Patent number
9,246,581
Issue date
Jan 26, 2016
Hitachi Metals, Ltd.
Kanako Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication light detecting device
Patent number
8,213,791
Issue date
Jul 3, 2012
Hitachi Cable, Ltd.
Seiji Kojima
G02 - OPTICS
Information
Patent Grant
Optical connector and connection structure of optical fibers
Patent number
7,393,143
Issue date
Jul 1, 2008
Hitachi Cable, Ltd.
Yoshihisa Kato
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
COMMUNICATION LIGHT DETECTION DEVICE
Publication number
20190137702
Publication date
May 9, 2019
Hitachi Metals, Ltd.
Kanako Suzuki
G02 - OPTICS
Information
Patent Application
OPTICAL CABLE MONITORING SYSTEM
Publication number
20190137355
Publication date
May 9, 2019
Hitachi Metals, Ltd.
Yoshihiro NAKATANI
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL FIBER MONITORING SYSTEM
Publication number
20180128709
Publication date
May 10, 2018
Hitachi Metals, Ltd.
Kanako SUZUKI
G01 - MEASURING TESTING
Information
Patent Application
COMMUNICATION LIGHT DETECTING STRUCTURE, COMMUNICATION LIGHT DETECT...
Publication number
20140314403
Publication date
Oct 23, 2014
Hitachi Metals, Ltd.
Kanako Suzuki
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTOR
Publication number
20100329604
Publication date
Dec 30, 2010
Hitachi Cable, Ltd.
Seiji KOJIMA
G02 - OPTICS
Information
Patent Application
Communication Light Detecting Device
Publication number
20100008676
Publication date
Jan 14, 2010
Seiji Kojima
G02 - OPTICS
Information
Patent Application
Optical connector and connection structure of optical fibers
Publication number
20070196055
Publication date
Aug 23, 2007
HITACHI CABLE, LTD.
Yoshihisa Kato
G02 - OPTICS
Information
Patent Application
Boot for MT connector
Publication number
20070127871
Publication date
Jun 7, 2007
HITACHI CABLE, LTD.
Yoshinori Kurosawa
G02 - OPTICS