KH

Keiji Hirabayashi

Canon: 2 patents #420 of 2,977Top 15%
Overall (2025): #110,066 of 469,880Top 25%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12411426 Substrate holding board, manufacturing method of device, and exposure device Shinji Fukui, Toshinao Tatsuno, Hideo Akiba 2025-09-09
12400906 Wafer chuck, method for producing the same, and exposure apparatus 2025-08-26