SA

Sumika Akiyama

TC Toppan Printing Co.: 2 patents #414 of 1,467Top 30%
Overall (All Time): #1,850,818 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11390953 Vapor deposition mask base material, vapor deposition mask base material manufacturing method, and vapor deposition mask manufacturing method Mikio SHINNO, Reiji Terada, Kiyoaki Nishitsuji, Masashi Kurata, Kenta TAKEDA +1 more 2022-07-19
10767266 Vapor deposition mask base material, vapor deposition mask base material manufacturing method, and vapor deposition mask manufacturing method Mikio SHINNO, Reiji Terada, Kiyoaki Nishitsuji, Masashi Kurata, Kenta TAKEDA +1 more 2020-09-08