HN

Hiroaki Nagatomo

SC Sumitomo Osaka Cement Co.: 1 patents #28 of 58Top 50%
Overall (2019): #444,874 of 560,194Top 80%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10273190 Focus ring and method for producing focus ring — 2019-04-30