MH

Masaki Hirayama

SC Sumitomo Osaka Cement Co.: 1 patents #10 of 19Top 55%
Overall (2025): #295,040 of 469,880Top 65%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12249492 Electrostatic chuck device Tetsuro ITAGAKI 2025-03-11