YI

Youbun Ito

TL Tokyo Electron Limited: 4 patents #1,723 of 5,567Top 35%
📍 Oshima, JP: #298 of 1,090 inventorsTop 30%
Overall (All Time): #1,265,930 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6753263 Etching method Masahiro Yamada, Kouichiro Inazawa 2004-06-22
6602435 Etching method Masahiro Yamada, Kouichiro Inazawa 2003-08-05
6465359 Etchant for use in a semiconductor processing method and system Masahiro Yamada, Kouichiro Inazawa, Abron Toure, Kunihiko Hinata, Hiromi Sakima 2002-10-15
6159862 Semiconductor processing method and system using C.sub.5 F.sub.8 Masahiro Yamada, Kouichiro Inazawa, Abron Toure, Kunihiko Hinata, Hiromi Sakima 2000-12-12