Inventor
MURATA YUMI
JP3 patents
Patents
3 patentsUS12560759B2Feb 24, 2026
Optical waveguide element, optical modulation device using optical waveguide element, and optical transmission device using optical waveguide element
SUMITOMO OSAKA CEMENT CO LTD0 citations53
US11656486B2May 23, 2023
Optical waveguide device
SUMITOMO OSAKA CEMENT CO LTD0 citations53
US12461306B2Nov 4, 2025
Optical waveguide element, optical modulation device using optical waveguide element, and optical transmission device using optical waveguide element
SUMITOMO OSAKA CEMENT CO LTD0 citations45