Junichi KAWATAKA

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Tsukuba-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Brillouin optical sensing device and optical sensing method
- Patent number 11,965,758
- Issue date Apr 23, 2024
- Nippon Telegraph and Telephone Corporation
- Atsushi Nakamura
- G01 - MEASURING TESTING
Information Patent Grant
Optical fiber cable
- Patent number 11,422,301
- Issue date Aug 23, 2022
- Nippon Telegraph and Telephone Corporation
- Yusuke Yamada
- G02 - OPTICS
Information Patent Grant
Optical fiber cable, and device and method for manufacturing optica...
- Patent number 11,360,281
- Issue date Jun 14, 2022
- Nippon Telegraph and Telephone Corporation
- Masashi Kikuchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
BRILLOUIN OPTICAL SENSING DEVICE AND OPTICAL SENSING METHOD
- Publication number 20230236044
- Publication date Jul 27, 2023
- Nippon Telegraph and Telephone Corporation
- Atsushi NAKAMURA
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL FIBER CABLE, AND DEVICE AND METHOD FOR MANUFACTURING OPTICA...
- Publication number 20210132314
- Publication date May 6, 2021
- Nippon Telegraph and Telephone Corporation
- Masashi KIKUCHI
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER CABLE
- Publication number 20210124113
- Publication date Apr 29, 2021
- Nippon Telegraph and Telephone Corporation
- Yusuke YAMADA
- G02 - OPTICS