KK

Kengo Koizumi

OC Oki Electric Industry Co.: 7 patents #247 of 2,807Top 9%
Overall (All Time): #679,681 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12270688 Optical fiber sensor and Brillouin frequency shift measurement method 2025-04-08
12044582 Optical fiber strain and temperature measurement apparatus and optical fiber strain and temperature measurement method 2024-07-23
11796352 Optical fiber sensor and brillouin frequency shift measurement method 2023-10-24
10871406 Optical fiber strain and temperature measurement apparatus and optical fiber strain and temperature measurement method Tokuo Yamaguchi, Hitoshi Murai 2020-12-22
10234337 Measurement apparatus and measurement method 2019-03-19
10036672 Optical fiber strain and temperature measurement apparatus Hideyuki Iwamura, Hitoshi Murai 2018-07-31
9983069 Measuring apparatus and measuring method 2018-05-29