KO

Kyoko Ohshita

TC Tokyo Ohka Kogyo Co.: 10 patents #121 of 684Top 20%
DC Daito Chemix: 1 patents #6 of 27Top 25%
Overall (All Time): #514,224 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
9040220 Compound and method of producing the same, acid generator, resist composition and method of forming resist pattern Hideo Hada, Yoshiyuki Utsumi, Keita Ishiduka, Kensuke Matsuzawa, Fumitake Kaneko +2 more 2015-05-26
9034556 Compound and method of producing the same, acid generator, resist composition and method of forming resist pattern Hideo Hada, Yoshiyuki Utsumi, Keita Ishiduka, Kensuke Matsuzawa, Fumitake Kaneko +2 more 2015-05-19
8519073 Compound and polymeric compound Yoshiyuki Utsumi, Hiroaki Shimizu, Toshiharu Shimamaki, Kenshin Niwa, Seihin Shu 2013-08-27
8105747 Positive resist composition and method of forming resist pattern Yoshiyuki Utsumi, Hiroaki Shimizu, Yasuhiro Yoshii 2012-01-31
8105749 Polymer compound, positive resist composition, and method of forming resist pattern Takahiro Dazai, Takayoshi Mori, Hiroaki Shimizu 2012-01-31
7955777 Compound, acid generator, resist composition and method of forming resist pattern Takehiro Seshimo, Yoshiyuki Utsumi, Yoshitaka Komuro, Keita Ishiduka, Akiya Kawaue 2011-06-07
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, Komei Hirahara 2010-06-29
7741009 Positive resist composition and method of forming resist pattern Takahiro Dazai, Hiroaki Shimizu, Komei Hirahara 2010-06-22
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