Inventor
KOIZUMI KENGO
JP7 patents
Patents
7 patentsUS10036672B2Jul 31, 2018
Optical fiber strain and temperature measurement apparatus
OKI ELECTRIC IND CO LTD8 citations81
US9983069B2May 29, 2018
Measuring apparatus and measuring method
OKI ELECTRIC IND CO LTD6 citations68
US10871406B2Dec 22, 2020
Optical fiber strain and temperature measurement apparatus and optical fiber strain and temperature measurement method
OKI ELECTRIC IND CO LTD1 citations58
US12270688B2Apr 8, 2025
Optical fiber sensor and Brillouin frequency shift measurement method
OKI ELECTRIC IND CO LTD0 citations47
US12044582B2Jul 23, 2024
Optical fiber strain and temperature measurement apparatus and optical fiber strain and temperature measurement method
OKI ELECTRIC IND CO LTD0 citations47
US11796352B2Oct 24, 2023
Optical fiber sensor and brillouin frequency shift measurement method
OKI ELECTRIC IND CO LTD0 citations47
US10234337B2Mar 19, 2019
Measurement apparatus and measurement method
OKI ELECTRIC IND CO LTD0 citations37