JI

Jun Iwashita

TC Tokyo Ohka Kogyo Co.: 27 patents #33 of 684Top 5%
Overall (All Time): #146,689 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
6982140 Positive resist composition and method of forming resist pattern Hideo Hada, Satoshi Fujimura 2006-01-03
6936400 Negative resist composition Ryoichi Takasu, Miwa Miyairi, Toshikazu Tachikawa 2005-08-30