YB

Yoshika Banba

TC Tokyo Ohka Kogyo Co.: 1 patents #437 of 684Top 65%
Overall (All Time): #3,523,275 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
RE38254 Positive resist composition Kazufumi Sato, Kazuyuki Nitta, Akiyoshi Yamazaki, Toshimasa Nakayama 2003-09-16