RO

Ryo Ohkubo

HO Hoya: 2 patents #24 of 106Top 25%
Overall (2017): #110,015 of 506,227Top 25%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9726972 Mask blank, transfer mask, and method for manufacturing transfer mask Hiroaki Shishido, Osamu Nozawa 2017-08-08
9625805 Reflective mask blank, reflective mask and method of manufacturing reflective mask Kazuya Sakai, Osamu Nozawa, Toshiyuki Suzuki 2017-04-18