KI

Keita Ishizuka

TC Tokyo Ohka Kogyo Co.: 3 patents #291 of 684Top 45%
Overall (All Time): #1,558,357 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7951523 Material for forming resist protective film and method for forming resist pattern using same Kotaro Endo, Tomovuki Hiranoa 2011-05-31
7879529 Material for formation of resist protection film and method of forming resist pattern therewith Kotaro Endo, Masaaki Yoshida 2011-02-01
7846637 Material for forming resist protective film for use in liquid immersion lithography process and method for forming resist pattern using the protective film Kazumasa Wakiya, Kotaro Endo, Masaaki Yoshida 2010-12-07