YK

Yu Kataoka

SC Sumitomo Osaka Cement Co.: 1 patents #11 of 36Top 35%
Overall (2020): #207,836 of 565,922Top 40%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10591670 Optical waveguide element Norikazu Miyazaki 2020-03-17