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Tomokazu Oda
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Musashino-shi, Tokyo, 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
Light intensity distribution measurement method and light intensity...
Patent number
11,788,928
Issue date
Oct 17, 2023
Nippon Telegraph and Telephone Corporation
Tomokazu Oda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Measuring device and measuring method using tape core wire
Patent number
11,788,909
Issue date
Oct 17, 2023
Nippon Telegraph and Telephone Corporation
Atsushi Nakamura
G01 - MEASURING TESTING
Information
Patent Grant
Optical fiber test method and optical fiber test device
Patent number
11,719,599
Issue date
Aug 8, 2023
Nippon Telegraph and Telephone Corporation
Atsushi Nakamura
G01 - MEASURING TESTING
Information
Patent Grant
Optical fiber loss measurement device and optical fiber loss measur...
Patent number
11,402,295
Issue date
Aug 2, 2022
Nippon Telegraph and Telephone Corporation
Tomokazu Oda
G01 - MEASURING TESTING
Information
Patent Grant
Environmental characteristic measurement device and environmental c...
Patent number
11,385,082
Issue date
Jul 12, 2022
Nippon Telegraph and Telephone Corporation
Hiroshi Takahashi
G01 - MEASURING TESTING
Information
Patent Grant
Optical device loss measurement apparatus, and optical device loss...
Patent number
11,385,128
Issue date
Jul 12, 2022
Nippon Telegraph and Telephone Corporation
Hiroshi Takahashi
G01 - MEASURING TESTING
Information
Patent Grant
Propagation characteristic analysis device and propagation characte...
Patent number
11,378,489
Issue date
Jul 5, 2022
Nippon Telegraph and Telephone Corporation
Hiroshi Takahashi
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL TRANSMISSION LINE TEST EQUIPMENT AND TEST METHOD
Publication number
20240426703
Publication date
Dec 26, 2024
Nippon Telegraph and Telephone Corporation
Atsushi NAKAMURA
G01 - MEASURING TESTING
Information
Patent Application
CONNECTION LOSS DIFFERENCE MEASUREMENT METHOD, EQUIPMENT AND PROGRAM
Publication number
20240418601
Publication date
Dec 19, 2024
Nippon Telegraph and Telephone Corporation
Atsushi NAKAMURA
G01 - MEASURING TESTING
Information
Patent Application
EQUIPMENT AND METHOD FOR MEASURING LOSS AND CROSSTALK THAT OCCUR IN...
Publication number
20240377282
Publication date
Nov 14, 2024
Nippon Telegraph and Telephone Corporation
Tomokazu ODA
G01 - MEASURING TESTING
Information
Patent Application
EQUIPMENT AND METHOD FOR MEASURING CROSSTALK BETWEEN CORES OF AN OP...
Publication number
20240377281
Publication date
Nov 14, 2024
Nippon Telegraph and Telephone Corporation
Tomokazu ODA
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL FIBER TEST METHOD AND OPTICAL FIBER TEST EQUIPMENT
Publication number
20240264034
Publication date
Aug 8, 2024
Nippon Telegraph and Telephone Corporation
Tomokazu ODA
G01 - MEASURING TESTING
Information
Patent Application
BRILLOUIN GAIN SPECTRUM DISTRIBUTION MEASUREMENT METHOD AND EQUIPMENT
Publication number
20240146413
Publication date
May 2, 2024
Nippon Telegraph and Telephone Corporation
Tomokazu ODA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL FIBER MEASUREMENT SYSTEM, OPTICAL FIBER MEASUREMENT METHOD,...
Publication number
20230332980
Publication date
Oct 19, 2023
Nippon Telegraph and Telephone Corporation
Tomokazu ODA
G01 - MEASURING TESTING
Information
Patent Application
POWER COUPLING COEFFICIENT MEASURING METHOD AND POWER COUPLING COEF...
Publication number
20230288287
Publication date
Sep 14, 2023
Nippon Telegraph and Telephone Corporation
Atsushi NAKAMURA
G01 - MEASURING TESTING
Information
Patent Application
SEVERAL MODE FIBER TEST METHOD AND SEVERAL MODE FIBER TEST DEVICE
Publication number
20230288289
Publication date
Sep 14, 2023
Nippon Telegraph and Telephone Corporation
Atsushi NAKAMURA
G01 - MEASURING TESTING
Information
Patent Application
ELECTRIC FIELD DISTRIBUTION FLUCTUATION PERIOD MEASURING METHOD AND...
Publication number
20230288466
Publication date
Sep 14, 2023
Nippon Telegraph and Telephone Corporation
Tomokazu ODA
G01 - MEASURING TESTING
Information
Patent Application
MEASURING DEVICE AND MEASURING METHOD USING TAPE CORE WIRE
Publication number
20230152170
Publication date
May 18, 2023
Nippon Telegraph and Telephone Corporation
Atsushi NAKAMURA
G01 - MEASURING TESTING
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
OPTICAL FIBER TEST METHOD AND OPTICAL FIBER TEST DEVICE
Publication number
20220381645
Publication date
Dec 1, 2022
Nippon Telegraph and Telephone Corporation
Atsushi NAKAMURA
G01 - MEASURING TESTING
Information
Patent Application
LIGHT INTENSITY DISTRIBUTION MEASUREMENT METHOD AND LIGHT INTENSITY...
Publication number
20220260454
Publication date
Aug 18, 2022
Nippon Telegraph and Telephone Corporation
Tomokazu ODA
G01 - MEASURING TESTING
Information
Patent Application
Optical Device Loss Measurement Apparatus, and Optical Device Loss...
Publication number
20210381925
Publication date
Dec 9, 2021
Nippon Telegraph and Telephone Corporation
Hiroshi Takahashi
G01 - MEASURING TESTING
Information
Patent Application
Optical Fiber Loss Measurement Device and Optical Fiber Loss Measur...
Publication number
20210310897
Publication date
Oct 7, 2021
Nippon Telegraph and Telephone Corporation
Tomokazu Oda
G01 - MEASURING TESTING
Information
Patent Application
Environmental Characteristic Measurement Device and Environmental C...
Publication number
20210018343
Publication date
Jan 21, 2021
Nippon Telegraph and Telephone Corporation
Hiroshi Takahashi
G01 - MEASURING TESTING
Information
Patent Application
Propagation Characteristic Analysis Device and Propagation Characte...
Publication number
20200408636
Publication date
Dec 31, 2020
Nippon Telegraph and Telephone Corporation
Hiroshi Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE