HI

Hideki Ichimei

SC Sumitomo Osaka Cement Co.: 1 patents #7 of 22Top 35%
Overall (2023): #425,321 of 537,848Top 80%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11586061 Optical waveguide device, and optical modulation device and optical transmission device using same Kei Kato, Norikazu Miyazaki 2023-02-21