TA

Tatsuo Asakawa

HO Hoya: 2 patents #20 of 79Top 30%
Overall (2019): #116,059 of 560,194Top 25%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10347485 Reflective mask blank, method for manufacturing same, reflective mask, method for manufacturing same, and method for manufacturing semiconductor device Tsutomu Shoki, Hirofumi Kozakai 2019-07-09
10191365 Reflective mask blank, method of manufacturing reflective mask blank, reflective mask and method of manufacturing semiconductor device Kazuhiro Hamamoto, Tsutomu Shoki 2019-01-29