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Yoshiteru Abe
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Ibaraki-ken, 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
Information
Patent Grant
Multi-core fiber connector
Patent number
11,454,757
Issue date
Sep 27, 2022
Nippon Telegraph and Telephone Corporation
Taiji Sakamoto
G02 - OPTICS
Information
Patent Grant
Optical connector
Patent number
8,226,302
Issue date
Jul 24, 2012
Nippon Telegraph and Telephone Corporation
Masaru Kobayashi
G02 - OPTICS
Information
Patent Grant
Optical connector
Patent number
7,641,397
Issue date
Jan 5, 2010
Japan Aviation Electronics Industry, Limited
Yuichi Koreeda
G02 - OPTICS
Information
Patent Grant
Wave transmission medium and waveguide circuit
Patent number
7,397,977
Issue date
Jul 8, 2008
Nippon Telegraph and Telephone Corporation
Toshikazu Hashimoto
G02 - OPTICS
Information
Patent Grant
Optical connector which can be disassembled and disassembling tool...
Patent number
7,295,746
Issue date
Nov 13, 2007
Japan Aviation Electronics Industry, Limited
Yuichi Koreeda
G02 - OPTICS
Information
Patent Grant
Optical connector having shielding mechanism
Patent number
7,261,471
Issue date
Aug 28, 2007
Hirose Electric Co., Ltd.
Masahiro Tsuchida
G02 - OPTICS
Information
Patent Grant
Optical connector apparatus having a light shielding device of a si...
Patent number
7,241,057
Issue date
Jul 10, 2007
Japan Aviation Electronics Industry, Limited
Yuichi Koreeda
G02 - OPTICS
Information
Patent Grant
Optical fiber connector disassembling tool
Patent number
7,149,401
Issue date
Dec 12, 2006
Japan Aviation Electronics Industry, Limited
Yuichi Koreeda
G02 - OPTICS
Information
Patent Grant
Optical connector
Patent number
6,811,319
Issue date
Nov 2, 2004
Hirose Electric Co., Ltd.
Masahiro Tsuchida
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
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
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
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
OPTICAL MONITOR DEVICE
Publication number
20230318703
Publication date
Oct 5, 2023
Nippon Telegraph and Telephone Corporation
Ryo KOYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
MULTI-CORE FIBER CONNECTOR
Publication number
20210263213
Publication date
Aug 26, 2021
Nippon Telegraph and Telephone Corporation
Taiji Sakamoto
G02 - OPTICS
Information
Patent Application
OPTICAL CONNECTOR
Publication number
20100226610
Publication date
Sep 9, 2010
Nippon Telegraph and Telephone Corporation
Masaru Kobayashi
G02 - OPTICS
Information
Patent Application
Optical connector
Publication number
20060280409
Publication date
Dec 14, 2006
Yuichi Koreeda
G02 - OPTICS
Information
Patent Application
Optical connector apparatus having a light shielding device of a si...
Publication number
20060210224
Publication date
Sep 21, 2006
Yuichi Koreeda
G02 - OPTICS
Information
Patent Application
Optical connector having shielding mechanism
Publication number
20060147156
Publication date
Jul 6, 2006
Hirose Electric Co., Ltd.
Masahiro Tsuchida
G02 - OPTICS
Information
Patent Application
Wave transmission medium and waveguide circuit
Publication number
20060126992
Publication date
Jun 15, 2006
Toshikazu Hashimoto
G02 - OPTICS
Information
Patent Application
Optical connector which can be disassembled and disassembling tool...
Publication number
20050226567
Publication date
Oct 13, 2005
Yuichi Koreeda
G02 - OPTICS
Information
Patent Application
Optical fiber connector disassembling tool
Publication number
20050084225
Publication date
Apr 21, 2005
Yuichi Koreeda
G02 - OPTICS
Information
Patent Application
Optical connector
Publication number
20020131718
Publication date
Sep 19, 2002
Hirose Electric Co., Ltd.
Masahiro Tsuchida
G02 - OPTICS