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Kenta TSUCHIYA
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Yokohama-shi, Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical fiber ribbon, optical fiber cable, and connector-equipped o...
Patent number
11,886,026
Issue date
Jan 30, 2024
Sumitomo Electric Industries, Ltd.
Fumiaki Sato
G02 - OPTICS
Information
Patent Grant
Weather-resistant flame-retardant resin composition, optical fiber...
Patent number
11,535,752
Issue date
Dec 27, 2022
Sumitomo Electric Industries, Ltd.
Taro Fujita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical fiber cable
Patent number
10,914,906
Issue date
Feb 9, 2021
Sumitomo Electric Industries, Ltd.
Fumiaki Sato
G02 - OPTICS
Information
Patent Grant
Optical fiber cable
Patent number
10,514,517
Issue date
Dec 24, 2019
Sumitomo Electric Industries, Ltd.
Fumiaki Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Intermittent-connection-type optical fiber ribbon and optical cable
Patent number
10,488,609
Issue date
Nov 26, 2019
Sumitomo Electric Industries, Ltd.
Fumiaki Sato
G02 - OPTICS
Information
Patent Grant
Optical fiber cable
Patent number
10,268,009
Issue date
Apr 23, 2019
Sumitomo Electric Industries, Ltd.
Fumiaki Sato
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL FIBER CABLE
Publication number
20230142376
Publication date
May 11, 2023
Sumitomo Electric Industries, Ltd.
Fumiaki SATO
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER RIBBON, OPTICAL FIBER CABLE, AND CONNECTOR-EQUIPPED O...
Publication number
20220342167
Publication date
Oct 27, 2022
Sumitomo Electric Industries, Ltd.
Fumiaki SATO
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER TAPE CORE WIRE, OPTICAL FIBER CABLE, AND METHOD OF MA...
Publication number
20220252809
Publication date
Aug 11, 2022
Sumitomo Electric Industries, Ltd.
Fumiaki SATO
G02 - OPTICS
Information
Patent Application
INTERMITTENT CONNECTION-TYPE OPTICAL FIBER TAPE CORE, OPTICAL FIBER...
Publication number
20220196945
Publication date
Jun 23, 2022
Sumitomo Electric Industries, Ltd.
Fumiaki SATO
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER CABLE
Publication number
20200409005
Publication date
Dec 31, 2020
Sumitomo Electric Industries, Ltd.
Fumiaki SATO
G02 - OPTICS
Information
Patent Application
WEATHER-RESISTANT FLAME-RETARDANT RESIN COMPOSITION, OPTICAL FIBER...
Publication number
20200277495
Publication date
Sep 3, 2020
Sumitomo Electric Industries, Ltd.
Taro FUJITA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
OPTICAL FIBER CABLE
Publication number
20190011656
Publication date
Jan 10, 2019
Sumitomo Electric Industries, Ltd.
Fumiaki SATO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL FIBER CABLE
Publication number
20180321453
Publication date
Nov 8, 2018
Sumitomo Electric Industries, Ltd.
Fumiaki SATO
G02 - OPTICS
Information
Patent Application
INTERMITTENT-CONNECTION-TYPE OPTICAL FIBER RIBBON AND OPTICAL CABLE
Publication number
20180314020
Publication date
Nov 1, 2018
Sumitomo Electric Industries, Ltd.
Fumiaki SATO
G02 - OPTICS