SM

Shinichi Maeta

SC Sumitomo Osaka Cement Co.: 1 patents #19 of 52Top 40%
Overall (2022): #261,081 of 548,613Top 50%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11471987 Electrostatic chuck device and electrostatic chuck device manufacturing method Keisuke Maeda, Masaki Ozaki, Masayuki Shiojiri, Takeshi Watanabe, Yuuki Kinpara 2022-10-18