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Patents Grants
last 30 patents
Information
Patent Grant
Optical connector and optical connector connection structure
Patent number
12,306,445
Issue date
May 20, 2025
Furukawa Electric Co., Ltd.
Kengo Watanabe
G02 - OPTICS
Information
Patent Grant
Optical fiber connection state determination system and optical fib...
Patent number
12,197,015
Issue date
Jan 14, 2025
Furukawa Electric Co., Ltd.
Yoshiki Nomura
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Optical probe, medical laser probe, and cauterization device
Patent number
11,553,964
Issue date
Jan 17, 2023
Furukawa Electric Co., Ltd.
Yoshiki Nomura
G02 - OPTICS
Information
Patent Grant
Optical connector, and optical connector connection structure
Patent number
11,125,950
Issue date
Sep 21, 2021
Furukawa Electric Co., Ltd.
Kengo Watanabe
G02 - OPTICS
Information
Patent Grant
Multi-core connector, connector, and connector connection mechanism
Patent number
10,139,574
Issue date
Nov 27, 2018
Furukawa Electric Co., Ltd.
Kengo Watanabe
G02 - OPTICS
Information
Patent Grant
Optical fiber bundle structure and optical fiber connection structure
Patent number
10,012,803
Issue date
Jul 3, 2018
Furukawa Electric Co., Ltd.
Kengo Watanabe
G02 - OPTICS
Information
Patent Grant
Connector structure and connector connection structure
Patent number
9,829,652
Issue date
Nov 28, 2017
Furukawa Electric Co., Ltd.
Kengo Watanabe
G02 - OPTICS
Information
Patent Grant
Optical-fiber-bundle structure, rare-earth-doped multi-core fiber,...
Patent number
9,692,201
Issue date
Jun 27, 2017
Furukawa Electric Co., Ltd.
Kengo Watanabe
G02 - OPTICS
Information
Patent Grant
Optical connector, method for aligning multi-core fiber with bundle...
Patent number
9,658,410
Issue date
May 23, 2017
Furukawa Electric Co., Ltd.
Tsunetoshi Saito
G02 - OPTICS
Information
Patent Grant
Method for connecting multi-core fiber, multi-core fiber, and metho...
Patent number
9,541,707
Issue date
Jan 10, 2017
Furukawa Electric Co., Ltd.
Tsunetoshi Saito
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Multi-core amplification optical fiber and multi-core optical fiber...
Patent number
9,225,141
Issue date
Dec 29, 2015
Furukawa Electric Co., Ltd.
Yukihiro Tsuchida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for producing bundle structure including a plurality of opti...
Patent number
9,158,064
Issue date
Oct 13, 2015
Furukawa Electric Co., Ltd.
Tsunetoshi Saito
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
FERRULE, METHOD FOR MANUFACTURING FERRULE, FERRULE-EQUIPPED FIBER R...
Publication number
20250180825
Publication date
Jun 5, 2025
FURUKAWA ELECTRIC CO., LTD.
Yoshiyuki Wakamiya
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTION TERMINAL, CONNECTION STRUCTURE FOR OPTICAL CONNE...
Publication number
20250110288
Publication date
Apr 3, 2025
FURUKAWA ELECTRIC CO., LTD.
Kengo Watanabe
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER BUNDLE STRUCTURE, OPTICAL FIBER CONNECTION STRUCTURE,...
Publication number
20230314700
Publication date
Oct 5, 2023
FURUKAWA ELECTRIC CO., LTD.
Kengo WATANABE
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
OPTICAL CONNECTOR AND OPTICAL CONNECTOR CONNECTION STRUCTURE
Publication number
20230011146
Publication date
Jan 12, 2023
FURUKAWA ELECTRIC CO., LTD.
Kengo WATANABE
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER CONNECTION STATE DETERMINATION SYSTEM AND OPTICAL FIB...
Publication number
20220381992
Publication date
Dec 1, 2022
FURUKAWA ELECTRIC CO., LTD.
Yoshiki NOMURA
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL FIBER STATE DETECTION SYSTEM
Publication number
20220003634
Publication date
Jan 6, 2022
FURUKAWA ELECTRIC CO., LTD.
Yoshiki NOMURA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
OPTICAL PROBE
Publication number
20210186612
Publication date
Jun 24, 2021
FURUKAWA ELECTRIC CO., LTD.
Kengo WATANABE
G02 - OPTICS
Information
Patent Application
OPTICAL PROBE, MEDICAL LASER PROBE, AND CAUTERIZATION DEVICE
Publication number
20210177516
Publication date
Jun 17, 2021
FURUKAWA ELECTRIC CO., LTD.
Yoshiki NOMURA
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTOR, AND OPTICAL CONNECTOR CONNECTION STRUCTURE
Publication number
20200103597
Publication date
Apr 2, 2020
FURUKAWA ELECTRIC CO., LTD.
Kengo WATANABE
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTION STRUCTURE AND OPTICAL MODULE
Publication number
20190219766
Publication date
Jul 18, 2019
FURUKAWA ELECTRIC CO., LTD.
Kengo Watanabe
G02 - OPTICS
Information
Patent Application
Optical Fiber Bundle Structure and Optical Fiber Connection Structure
Publication number
20170235061
Publication date
Aug 17, 2017
FURUKAWA ELECTRIC CO., LTD.
Kengo WATANABE
G02 - OPTICS
Information
Patent Application
MULTI-CORE CONNECTOR, CONNECTOR, AND CONNECTOR CONNECTION MECHANISM
Publication number
20170168247
Publication date
Jun 15, 2017
FURUKAWA ELECTRIC CO., LTD.
Kengo WATANABE
G02 - OPTICS
Information
Patent Application
CONNECTOR STRUCTURE AND CONNECTOR CONNECTION STRUCTURE
Publication number
20160231511
Publication date
Aug 11, 2016
FURUKAWA ELECTRIC CO., LTD.
Kengo WATANABE
G02 - OPTICS
Information
Patent Application
OPTICAL-FIBER-BUNDLE STRUCTURE, RARE-EARTH-DOPED MULTI-CORE FIBER,...
Publication number
20160028206
Publication date
Jan 28, 2016
FURUKAWA ELECTRIC CO., LTD.
Kengo WATANABE
G02 - OPTICS
Information
Patent Application
CONNECTION STRUCTURE FOR MULTI-CORE FIBER AND OPTICAL-FIBER-BUNDLE...
Publication number
20160020573
Publication date
Jan 21, 2016
FURUKAWA ELECTRIC CO., LTD.
Kengo WATANABE
G02 - OPTICS
Information
Patent Application
METHOD FOR CONNECTING MULTI-CORE FIBER, MULTI-CORE FIBER, AND METHO...
Publication number
20150055923
Publication date
Feb 26, 2015
FURUKAWA ELECTRIC CO.,LTD.
Tsunetoshi SAITO
G02 - OPTICS
Information
Patent Application
MULTI-CORE AMPLIFICATION OPTICAL FIBER AND MULTI-CORE OPTICAL FIBER...
Publication number
20140240819
Publication date
Aug 28, 2014
FURUKAWA ELECTRIC CO., LTD.
Yukihiro TSUCHIDA
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTOR, METHOD FOR ALIGNING MULTI-CORE FIBER WITH BUNDLE...
Publication number
20140010500
Publication date
Jan 9, 2014
FURUKAWA ELECTRIC CO., LTD.
Tsunetoshi SAITO
G02 - OPTICS
Information
Patent Application
METHOD FOR PRODUCING BUNDLE STRUCTURE, METHOD FOR CONNECTING FIBERS...
Publication number
20140010501
Publication date
Jan 9, 2014
FURUKAWA ELECTRIC CO., LTD.
Tsunetoshi SAITO
G02 - OPTICS
Information
Patent Application
Method of producing parboiled rice and parboiled rice produced by t...
Publication number
20080220145
Publication date
Sep 11, 2008
SATAKE CORPORATION
Takeshi Fukumori
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES