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Chisato FUKAI
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Tsukuba-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Multifiber optical connector and optical cable connection method
Patent number
11,740,414
Issue date
Aug 29, 2023
Nippon Telegraph and Telephone Corporation
Masaaki Takaya
G02 - OPTICS
Information
Patent Grant
Optical connector cleaning tool and optical connector cleaning method
Patent number
11,644,627
Issue date
May 9, 2023
Nippon Telegraph and Telephone Corporation
Chisato Fukai
B08 - CLEANING
Information
Patent Grant
Connector plug, connector insertion method, and a connector removal...
Patent number
11,543,612
Issue date
Jan 3, 2023
Nippon Telegraph and Telephone Corporation
Masaaki Takaya
G02 - OPTICS
Information
Patent Grant
Optical connector ferrule, sleeve, and method for manufacturing fer...
Patent number
11,474,303
Issue date
Oct 18, 2022
Nippon Telegraph and Telephone Corporation
Masaaki Takaya
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL CONNECTOR AND ITS MANUFACTURING METHOD
Publication number
20240201448
Publication date
Jun 20, 2024
Nippon Telegraph and Telephone Corporation
Yoshiteru ABE
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTOR CLEANING TOOL
Publication number
20240201450
Publication date
Jun 20, 2024
Nippon Telegraph and Telephone Corporation
Yoshiteru ABE
B08 - CLEANING
Information
Patent Application
ULTRAVIOLET LIGHT IRRADIATION SYSTEM AND ULTRAVIOLET LIGHT IRRADIAT...
Publication number
20240181099
Publication date
Jun 6, 2024
Nippon Telegraph and Telephone Corporation
Tomohiro TANIGUCHI
G02 - OPTICS
Information
Patent Application
ULTRAVIOLET LIGHT IRRADIATION SYSTEM AND ULTRAVIOLET LIGHT IRRADIAT...
Publication number
20240157003
Publication date
May 16, 2024
Nippon Telegraph and Telephone Corporation
Ayako IWAKI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
OPTICAL CROSS-CONNECT DEVICE
Publication number
20240151909
Publication date
May 9, 2024
Nippon Telegraph and Telephone Corporation
Chisato FUKAI
G02 - OPTICS
Information
Patent Application
OPTICAL SWITCH
Publication number
20240134127
Publication date
Apr 25, 2024
Nippon Telegraph and Telephone Corporation
Chisato FUKAI
G02 - OPTICS
Information
Patent Application
OPTICAL COUPLING PART AND OPTICAL SWITCH
Publication number
20240094477
Publication date
Mar 21, 2024
Nippon Telegraph and Telephone Corporation
Chisato FUKAI
G02 - OPTICS
Information
Patent Application
OPTICAL CROSS-CONNECT DEVICE
Publication number
20240085632
Publication date
Mar 14, 2024
Nippon Telegraph and Telephone Corporation
Chisato FUKAI
G02 - OPTICS
Information
Patent Application
CYLINDRICAL MULTI-CORE FERRULE AND OPTICAL CONNECTOR
Publication number
20240061188
Publication date
Feb 22, 2024
Nippon Telegraph and Telephone Corporation
Chisato FUKAI
G02 - OPTICS
Information
Patent Application
SURVEILLANCE CONTROL DEVICE AND OPTICAL POWER SUPPLY SYSTEM
Publication number
20240056708
Publication date
Feb 15, 2024
Nippon Telegraph and Telephone Corporation
Tomohiro KAWANO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MULTI-FIBER OPTICAL CONNECTOR AND OPTICAL FIBER CONNECTION METHOD
Publication number
20240045152
Publication date
Feb 8, 2024
Nippon Telegraph and Telephone Corporation
Yasunari TANAKA
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTOR CLEANING TOOL
Publication number
20240027692
Publication date
Jan 25, 2024
Nippon Telegraph and Telephone Corporation
Chisato FUKAI
B08 - CLEANING
Information
Patent Application
ULTRAVIOLET LIGHT IRRADIATION SYSTEM AND METHOD
Publication number
20230408761
Publication date
Dec 21, 2023
Nippon Telegraph and Telephone Corporation
Tomohiro TANIGUCHI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ULTRAVIOLET LIGHT IRRADIATION SYSTEM AND ULTRAVIOLET LIGHT IRRADIAT...
Publication number
20230390436
Publication date
Dec 7, 2023
Nippon Telegraph and Telephone Corporation
Tomohiro TANIGUCHI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
OPTICAL SWITCH
Publication number
20230324621
Publication date
Oct 12, 2023
Nippon Telegraph and Telephone Corporation
Chisato FUKAI
G02 - OPTICS
Information
Patent Application
LIGHT IRRADIATION SYSTEM
Publication number
20230310674
Publication date
Oct 5, 2023
Nippon Telegraph and Telephone Corporation
Tomohiro TANIGUCHI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ULTRAVIOLET LIGHT IRRADIATION SYSTEM AND ULTRAVIOLET LIGHT IRRADIAT...
Publication number
20230302173
Publication date
Sep 28, 2023
Nippon Telegraph and Telephone Corporation
Tomohiro TANIGUCHI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ULTRAVIOLET LIGHT IRRADIATION SYSTEM AND DECONTAMINATION METHOD
Publication number
20230293741
Publication date
Sep 21, 2023
Nippon Telegraph and Telephone Corporation
Takashi MATSUI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ULTRAVIOLET LIGHT IRRADIATION SYSTEM AND DECONTAMINATION METHOD
Publication number
20230270898
Publication date
Aug 31, 2023
Nippon Telegraph and Telephone Corporation
Takashi MATSUI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
FIBER CUTTER AND FIBER CUTTING METHOD
Publication number
20220128764
Publication date
Apr 28, 2022
FUJIKURA LTD.
Takaharu Matsuda
G02 - OPTICS
Information
Patent Application
CONNECTOR PLUG, CONNECTOR INSERTION METHOD, AND A CONNECTOR REMOVAL...
Publication number
20220113484
Publication date
Apr 14, 2022
Nippon Telegraph and Telephone Corporation
Masaaki TAKAYA
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTOR FERRULE, SLEEVE, AND METHOD FOR MANUFACTURING FER...
Publication number
20210389528
Publication date
Dec 16, 2021
Nippon Telegraph and Telephone Corporation
Masaaki Takaya
G02 - OPTICS
Information
Patent Application
MULTI-CORE OPTICAL CONNECTOR AND OPTICAL CABLE CONNECTION METHOD
Publication number
20210341687
Publication date
Nov 4, 2021
Nippon Telegraph and Telephone Corporation
Masaaki TAKAYA
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTOR CLEANING TOOL AND OPTICAL CONNECTOR CLEANING METHOD
Publication number
20210341684
Publication date
Nov 4, 2021
Nippon Telegraph and Telephone Corporation
Chisato FUKAI
B08 - CLEANING
Information
Patent Application
HOLEY SINGLE-MODE OPTICAL FIBER AND OPTICAL TRANSMISSION SYSTEM USI...
Publication number
20120033923
Publication date
Feb 9, 2012
Nippon Telegraph and Telephone Corporation
Katsuhiro TAKENAGA
G02 - OPTICS