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Ryo MARUYAMA
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Sakura-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical fiber
Patent number
11,860,406
Issue date
Jan 2, 2024
Fujikura Ltd.
Ryo Maruyama
G02 - OPTICS
Information
Patent Grant
Optical fiber
Patent number
11,808,972
Issue date
Nov 7, 2023
Fujikura Ltd.
Ryo Maruyama
G02 - OPTICS
Information
Patent Grant
Optical fiber
Patent number
11,803,007
Issue date
Oct 31, 2023
Fujikura Ltd.
Ryo Maruyama
G02 - OPTICS
Information
Patent Grant
Optical fiber
Patent number
11,460,632
Issue date
Oct 4, 2022
Fujikura Ltd.
Ryo Maruyama
G02 - OPTICS
Information
Patent Grant
Optical fiber
Patent number
11,048,039
Issue date
Jun 29, 2021
Fujikura Ltd.
Ryo Maruyama
G02 - OPTICS
Information
Patent Grant
Measurement method, measurement device, and non-transitory recordin...
Patent number
10,760,993
Issue date
Sep 1, 2020
Fujikura Ltd.
Ryo Maruyama
G01 - MEASURING TESTING
Information
Patent Grant
Optical fiber and method for manufacturing same
Patent number
10,578,796
Issue date
Mar 3, 2020
Fujikura Ltd.
Katsubumi Nagasu
G02 - OPTICS
Information
Patent Grant
Optical fiber and method of manufacturing the same
Patent number
10,422,948
Issue date
Sep 24, 2019
Fujikura Ltd.
Ryo Maruyama
G02 - OPTICS
Information
Patent Grant
Optical fiber and method of manufacturing the same
Patent number
10,422,949
Issue date
Sep 24, 2019
Fujikura Ltd.
Ryo Maruyama
G02 - OPTICS
Information
Patent Grant
Optical fiber
Patent number
9,964,697
Issue date
May 8, 2018
Fujikura Ltd.
Ryo Maruyama
G02 - OPTICS
Information
Patent Grant
Optical fiber
Patent number
9,772,444
Issue date
Sep 26, 2017
Fujikura Ltd.
Takayuki Kitamura
G02 - OPTICS
Information
Patent Grant
Two-mode optical fiber and light transmission path
Patent number
9,507,082
Issue date
Nov 29, 2016
Fujikura Ltd.
Ryo Maruyama
G02 - OPTICS
Information
Patent Grant
Optical fiber and optical transmission line
Patent number
9,297,952
Issue date
Mar 29, 2016
Fujikura Ltd.
Ryo Maruyama
G02 - OPTICS
Information
Patent Grant
Optical fiber, optical transmission line, and method for manufactur...
Patent number
9,188,735
Issue date
Nov 17, 2015
Fujikura Ltd.
Ryo Maruyama
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL FIBER
Publication number
20220291444
Publication date
Sep 15, 2022
FUJIKURA LTD.
Ryo Maruyama
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER
Publication number
20220276432
Publication date
Sep 1, 2022
FUJIKURA LTD.
Ryo Maruyama
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER
Publication number
20220026632
Publication date
Jan 27, 2022
FUJIKURA LTD.
Ryo Maruyama
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER
Publication number
20220011505
Publication date
Jan 13, 2022
FUJIKURA LTD.
Ryo Maruyama
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER
Publication number
20200326471
Publication date
Oct 15, 2020
FUJIKURA LTD.
Ryo Maruyama
G02 - OPTICS
Information
Patent Application
MEASUREMENT METHOD, MEASUREMENT DEVICE, AND NON-TRANSITORY RECORDIN...
Publication number
20190226941
Publication date
Jul 25, 2019
FUJIKURA LTD.
Ryo Maruyama
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL FIBER AND METHOD FOR MANUFACTURING SAME
Publication number
20190113678
Publication date
Apr 18, 2019
FUJIKURA LTD.
Katsubumi Nagasu
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER AND METHOD OF MANUFACTURING THE SAME
Publication number
20190049663
Publication date
Feb 14, 2019
FUJIKURA LTD.
Ryo Maruyama
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER AND METHOD OF MANUFACTURING THE SAME
Publication number
20190025503
Publication date
Jan 24, 2019
FUJIKURA LTD.
Ryo Maruyama
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER
Publication number
20170285257
Publication date
Oct 5, 2017
FUJIKURA LTD.
Ryo Maruyama
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER
Publication number
20170192169
Publication date
Jul 6, 2017
FUJIKURA LTD.
Takayuki Kitamura
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER AND METHOD OF MANUFACTURING OPTICAL FIBER
Publication number
20170045681
Publication date
Feb 16, 2017
FUJIKURA LTD.
Ryo MARUYAMA
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER AND LIGHT TRANSMISSION PATH
Publication number
20150212265
Publication date
Jul 30, 2015
FUJIKURA LTD.
Ryo Maruyama
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER AND OPTICAL TRANSMISSION LINE
Publication number
20140029901
Publication date
Jan 30, 2014
OSAKA PREFECTURE UNIVERSITY PUBLIC CORPORATION
Ryo MARUYAMA
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER, OPTICAL TRANSMISSION LINE, AND METHOD FOR MANUFACTUR...
Publication number
20130243380
Publication date
Sep 19, 2013
OSAKA PREFECTURE UNIVERSITY PUBLIC CORPORATION
Ryo MARUYAMA
G02 - OPTICS