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Keisuke Maeda — 1 Patent in 2021

SCSumitomo Osaka Cement Co.: 1 patents #17 of 41Top 45%

Tokyo, JP: #5,015 of 13,453 inventorsTop 40%

Overall (2021): #376,345 of 548,734Top 70%

1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10923381	Electrostatic chuck device	Mamoru Kosakai, Yukio Miura, Kazunori Ishimura, Hitoshi Kouno, Yuuki Kinpara +2 more	2021-02-16