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Yuto SAGAE
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Tsukuba-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical fiber evaluation method and optical fiber evaluation apparatus
Patent number
11,879,803
Issue date
Jan 23, 2024
Nippon Telegraph and Telephone Corporation
Tomokazu Oda
G01 - MEASURING TESTING
Information
Patent Grant
Hole assisted optical fiber
Patent number
11,860,405
Issue date
Jan 2, 2024
Nippon Telegraph and Telephone Corporation
Saki Nozoe
G02 - OPTICS
Information
Patent Grant
Acoustic mode propagation speed measurement method and acoustic mod...
Patent number
11,815,421
Issue date
Nov 14, 2023
Nippon Telegraph and Telephone Corporation
Yuto Sagae
G01 - MEASURING TESTING
Information
Patent Grant
Optical communication system and optical communication method
Patent number
11,722,223
Issue date
Aug 8, 2023
Nippon Telegraph and Telephone Corporation
Yuto Sagae
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber and optical transmission system
Patent number
11,366,266
Issue date
Jun 21, 2022
Nippon Telegraph and Telephone Corporation
Yuto Sagae
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
EVALUATION METHOD AND EVALUATION DEVICE FOR MULTI-CORE FIBER
Publication number
20240102886
Publication date
Mar 28, 2024
Nippon Telegraph and Telephone Corporation
Nobutomo HANZAWA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
OPTICAL FIBER
Publication number
20240061168
Publication date
Feb 22, 2024
Nippon Telegraph and Telephone Corporation
Yuto SAGAE
G02 - OPTICS
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM
Publication number
20240007189
Publication date
Jan 4, 2024
Nippon Telegraph and Telephone Corporation
Yuto SAGAE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
MULTI-CORE OPTICAL FIBER AND DESIGN METHOD
Publication number
20230341618
Publication date
Oct 26, 2023
Nippon Telegraph and Telephone Corporation
Takashi MATSUI
G02 - OPTICS
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD
Publication number
20230336338
Publication date
Oct 19, 2023
Nippon Telegraph and Telephone Corporation
Yuto SAGAE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LONG PERIOD FIBER GRATING AND OPTICAL TRANSMISSION SYSTEM
Publication number
20230324604
Publication date
Oct 12, 2023
Nippon Telegraph and Telephone Corporation
Ryota IMADA
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
MULTI-CORE OPTICAL FIBER
Publication number
20230280525
Publication date
Sep 7, 2023
Nippon Telegraph and Telephone Corporation
Takashi MATSUI
G02 - OPTICS
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
OPTICAL FIBER
Publication number
20230244028
Publication date
Aug 3, 2023
Nippon Telegraph and Telephone Corporation
Yuto SAGAE
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER EVALUATION DEVICE AND OPTICAL FIBER EVALUATION METHOD
Publication number
20230221487
Publication date
Jul 13, 2023
Nippon Telegraph and Telephone Corporation
Nobutomo HANZAWA
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER AMPLIFIER AND RARE EARTH DOPED OPTICAL FIBER
Publication number
20230163554
Publication date
May 25, 2023
Nippon Telegraph and Telephone Corporation
Shinichi AOZASA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL FIBER EVALUATION METHOD AND OPTICAL FIBER EVALUATION APPARATUS
Publication number
20230144218
Publication date
May 11, 2023
Nippon Telegraph and Telephone Corporation
Tomokazu ODA
G01 - MEASURING TESTING
Information
Patent Application
HOLE ASSISTED OPTICAL FIBER
Publication number
20220334307
Publication date
Oct 20, 2022
Nippon Telegraph and Telephone Corporation
Saki NOZOE
G02 - OPTICS
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM AND OPTICAL COMMUNICATION METHOD
Publication number
20220294536
Publication date
Sep 15, 2022
Nippon Telegraph and Telephone Corporation
Yuto SAGAE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ACOUSTIC MODE PROPAGATION SPEED MEASUREMENT METHOD AND ACOUSTIC MOD...
Publication number
20220170817
Publication date
Jun 2, 2022
Nippon Telegraph and Telephone Corporation
Yuto SAGAE
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL FIBER AND OPTICAL TRANSMISSION SYSTEM
Publication number
20200116925
Publication date
Apr 16, 2020
Nippon Telegraph and Telephone Corporation
Yuto SAGAE
G02 - OPTICS