YI

Yohei IKEBE

HO Hoya: 2 patents #7 of 55Top 15%
Overall (2025): #73,059 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12411402 Reflective mask blank, reflective mask, and method for manufacturing semiconductor device Osamu Nozawa 2025-09-09
12228852 Reflective mask blank, reflective mask and method for manufacturing a semiconductor device 2025-02-18