Inventor
ICHIMEI Hideki
JP10 patents
⚠️ This page may combine multiple inventors who share the name “ICHIMEI Hideki”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO OSAKA CEMENT CO LTD
9 patentsUS11402594B2Aug 2, 2022
Optical waveguide device, and optical modulation device and optical transmission device using same
SUMITOMO OSAKA CEMENT CO LTD3 citations72
US12339529B2Jun 24, 2025
Optical modulator and optical transmission device using same
SUMITOMO OSAKA CEMENT CO LTD2 citations71
US12392968B2Aug 19, 2025
Optical device, optical modulation device and optical transmission device
SUMITOMO OSAKA CEMENT CO LTD0 citations60
US12345933B2Jul 1, 2025
Optical device and optical transmission apparatus using same
SUMITOMO OSAKA CEMENT CO LTD0 citations60
US12321047B2Jun 3, 2025
Optical modulator and optical transmission device using same
SUMITOMO OSAKA CEMENT CO LTD0 citations60
US11586061B2Feb 21, 2023
Optical waveguide device, and optical modulation device and optical transmission device using same
SUMITOMO OSAKA CEMENT CO LTD0 citations51
US11215754B2Jan 4, 2022
Optical waveguide element and manufacturing method therefor
SUMITOMO OSAKA CEMENT CO LTD0 citations50
US10890788B2Jan 12, 2021
Optical waveguide device module
SUMITOMO OSAKA CEMENT CO LTD0 citations50
US10739624B2Aug 11, 2020
Optical control element
SUMITOMO OSAKA CEMENT CO LTD0 citations50