Inventor
MOTOYA MASAYUKI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “MOTOYA MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO OSAKA CEMENT CO LTD
14 patentsUS11940708B2Mar 26, 2024
Optical modulator
SUMITOMO OSAKA CEMENT CO LTD4 citations72
US10895765B2Jan 19, 2021
Optical modulation element
SUMITOMO OSAKA CEMENT CO LTD2 citations72
US9519200B2Dec 13, 2016
Optical control device
SUMITOMO OSAKA CEMENT CO LTD6 citations72
US10578893B2Mar 3, 2020
Optical waveguide element
SUMITOMO OSAKA CEMENT CO LTD4 citations71
US9977270B2May 22, 2018
Optical device
SUMITOMO OSAKA CEMENT CO LTD2 citations71
US11977284B2May 7, 2024
Optical waveguide device, manufacturing method of optical modulation element, optical modulator, optical modulation module, and optical transmission apparatus
SUMITOMO OSAKA CEMENT CO LTD3 citations70
US12153295B2Nov 26, 2024
Optical waveguide element, and optical modulation device and optical transmission device using the same
SUMITOMO OSAKA CEMENT CO LTD0 citations51
US12044911B2Jul 23, 2024
Optical waveguide element and optical waveguide device
SUMITOMO OSAKA CEMENT CO LTD0 citations51
US11442329B2Sep 13, 2022
Optical waveguide element, optical modulator, optical modulation module, and optical transmission apparatus
SUMITOMO OSAKA CEMENT CO LTD0 citations51
US12130536B2Oct 29, 2024
Optical modulator
SUMITOMO OSAKA CEMENT CO LTD0 citations50
US12092910B2Sep 17, 2024
Optical modulator
SUMITOMO OSAKA CEMENT CO LTD0 citations50
US12372817B2Jul 29, 2025
Optical waveguide element, and optical modulation device and optical transmission device using same
SUMITOMO OSAKA CEMENT CO LTD0 citations49
US12332534B2Jun 17, 2025
Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus
SUMITOMO OSAKA CEMENT CO LTD0 citations48
US10514561B2Dec 24, 2019
Optical modulator
SUMITOMO OSAKA CEMENT CO LTD0 citations40