RO

Ryo Ohkubo

HO Hoya: 2 patents #13 of 58Top 25%
Overall (2020): #126,054 of 565,922Top 25%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10571797 Mask blank, transfer mask, method for manufacturing transfer mask, and method for manufacturing semiconductor device Osamu Nozawa, Hiroaki Shishido 2020-02-25
10527931 Mask blank, transfer mask, method for manufacturing transfer mask, and method for manufacturing semiconductor device Osamu Nozawa, Hiroaki Shishido, Yasushi Okubo 2020-01-07