KK

Kei Katou

SC Sumitomo Osaka Cement Co.: 1 patents #19 of 52Top 40%
Overall (2022): #376,220 of 548,613Top 70%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11500264 Optical waveguide device with reinforcement member for optical fiber and waveguide portion Norikazu Miyazaki 2022-11-15