SK

Sho Kumakura

TL Tokyo Electron Limited: 29 patents #135 of 5,567Top 3%
📍 Rifu, JP: #102 of 2,101 inventorsTop 5%
Overall (All Time): #128,058 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
10600660 Method of selectively etching first region made of silicon nitride against second region made of silicon oxide Masahiro Tabata 2020-03-24
10483118 Etching method Masahiro Tabata 2019-11-19
10319613 Method of selectively etching first region made of silicon nitride against second region made of silicon oxide Masahiro Tabata 2019-06-11
10269578 Etching method Masahiro Tabata 2019-04-23