KI

Keita Ishiduka

TC Tokyo Ohka Kogyo Co.: 18 patents #64 of 684Top 10%
PR Promerus: 2 patents #59 of 140Top 45%
Overall (All Time): #224,090 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 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, Kensuke Matsuzawa, Fumitake Kaneko, Kyoko Ohshita +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, Kensuke Matsuzawa, Fumitake Kaneko, Kyoko Ohshita +2 more 2015-05-19
8409781 Composition for formation of resist protection film, and method for formation of resist pattern using the same Toshikazu Takayama 2013-04-02
8338076 Resist composition, method of forming resist pattern, novel compound, and acid generator Akiya Kawaue, Yoshiyuki Utsumi, Hideo Hada, Takehiro Seshimo, Kensuke Matsuzawa +1 more 2012-12-25
8329838 Norbornene-type polymers, compositions thereof and lithographic processes using such compositions Larry F. Rhodes, Chun Chang, Pramod Kandanarachchi, Lawrence Seger, Kotaro Endo +1 more 2012-12-11
8278025 Material for forming resist protection films and method for resist pattern formation with the same Kotaro Endo 2012-10-02
8252505 Compound and method of producing same, acid generator, resist composition, and method of forming resist pattern Akiya Kawaue, Kensuke Matsuzawa, Yoshiyuki Utsumi, Hiroaki Shimizu 2012-08-28
8247160 Resist composition, method of forming resist pattern, and novel compound and acid generator Yoshiyuki Utsumi, Kensuke Matsuzawa, Akiya Kawaue, Hiroaki Shimizu, Tsuyoshi Nakamura 2012-08-21
8211616 Positive resist composition and method of forming resist pattern Hiroaki Shimizu, Tsuyoshi Nakamura, Yoshiyuki Utsumi, Kensuke Matsuzawa, Akiya Kawaue 2012-07-03
8198004 Resist composition Taku Hirayama, Hideo Hada, Satoshi Fujimura, Takeshi Iwai, Mitsuru Sato +6 more 2012-06-12
8097397 Material for formation of protective film, method for formation of photoresist pattern, and solution for washing/removal of protective film Toshikazu Takayama, Hideo Hada, Shigeru Yokoi 2012-01-17
7955777 Compound, acid generator, resist composition and method of forming resist pattern Takehiro Seshimo, Yoshiyuki Utsumi, Yoshitaka Komuro, Akiya Kawaue, Kyoko Ohshita 2011-06-07
7799883 Norbornene-type polymers, compositions thereof and lithographic process using such compositions Larry F. Rhodes, Chun Chang, Pramod Kandanarachchi, Lawrence Seger, Kotaro Endo +1 more 2010-09-21
7776510 Resist composition, method of forming resist pattern, compound and acid generator Takeshi Iwai, Hideo Hada, Akiya Kawaue, Hiroaki Shimizu, Kyoko Ohshita +4 more 2010-08-17
7745097 Compound, manufacturing method thereof, acid generator, resist composition and method of forming resist pattern Hideo Hada, Takeshi Iwai, Takehiro Seshimo, Akiya Kawaue 2010-06-29
7713679 Resist composition, method of forming resist pattern, novel compound, and acid generator Yoshiyuki Utsumi, Akiya Kawaue, Takehiro Seshimo, Hideo Hada 2010-05-11
7541138 Resist composition Taku Hirayama, Hideo Hada, Satoshi Fujimura, Takeshi Iwai, Mitsuru Sato +6 more 2009-06-02
7527909 Resist composition Taku Hirayama, Hideo Hada, Satoshi Fujimura, Takeshi Iwai, Mitsuru Sato +6 more 2009-05-05
7501220 Resist composition Taku Hirayama, Hideo Hada, Satoshi Fujimura, Takeshi Iwai, Mitsuru Sato +6 more 2009-03-10
7488568 Resist composition, method of forming resist pattern, compound and acid generator Takeshi Iwai, Hideo Hada, Masaru Takeshita, Akiya Kawaue, Hiroaki Shimizu +6 more 2009-02-10