KH

Komei Hirahara

TC Tokyo Ohka Kogyo Co.: 6 patents #187 of 684Top 30%
Overall (All Time): #863,765 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8236483 Method of forming resist pattern Tomoyuki Ando, Sho Abe, Ryoji Watanabe 2012-08-07
7776510 Resist composition, method of forming resist pattern, compound and acid generator Takeshi Iwai, Hideo Hada, Keita Ishiduka, Akiya Kawaue, Hiroaki Shimizu +4 more 2010-08-17
7745098 Polymer compound, positive resist composition and method of forming resist pattern Takahiro Dazai, Takayoshi Mori, Hiroaki Shimizu, Kyoko Ohshita 2010-06-29
7741009 Positive resist composition and method of forming resist pattern Takahiro Dazai, Hiroaki Shimizu, Kyoko Ohshita 2010-06-22
7491485 Resist composition and method of forming resist pattern Masaru Takeshita 2009-02-17
7488568 Resist composition, method of forming resist pattern, compound and acid generator Takeshi Iwai, Hideo Hada, Masaru Takeshita, Akiya Kawaue, Keita Ishiduka +6 more 2009-02-10