KS

Kazufumi Sato

TC Tokyo Ohka Kogyo Co.: 40 patents #17 of 684Top 3%
HK Harada Kogyo: 2 patents #13 of 41Top 35%
KS Kobe Steel: 2 patents #616 of 1,773Top 35%
DC Daito Chemix: 1 patents #6 of 27Top 25%
Overall (All Time): #67,524 of 4,157,543Top 2%
44
Patents All Time

Issued Patents All Time

Showing 1–25 of 44 patents

Patent #TitleCo-InventorsDate
12099298 Resist composition and method of forming resist pattern Masaru Takeshita, Masahito Yahagi 2024-09-24
10344359 Aluminum alloy clad sheet and aluminum alloy clad structural member Katsushi Matsumoto 2019-07-09
10272645 Aluminum-alloy-clad plate and aluminum-alloy-clad structural member Katsushi Matsumoto 2019-04-30
9964851 Resist pattern forming method and developer for lithography Mitsuo Hagihara, Tomoya Kumagai, Masahito Yahagi, Kenta Suzuki, Takayoshi Mori +1 more 2018-05-08
8828304 Method of forming resist pattern by nanoimprint lithography Tomotaka Yamada 2014-09-09
8216763 Photosensitive resin composition and method of forming pattern Yasushi Fujii, Hisanobu Harada, Koji Yonemura, Isamu Takagi, Daisuke Kawana +2 more 2012-07-10
7666569 Positive resist composition and method for forming resist pattern Mitsuo Hagihara, Daisuke Kawana 2010-02-23
6890697 Positive-working chemical-amplification photoresist composition Katsumi Oomori, Hiroto Yukawa, Ryusuke Uchida 2005-05-10
6869745 Positive-working chemical-amplification photoresist composition Katsumi Oomori, Hiroto Yukawa, Ryusuke Uchida 2005-03-22
6818380 Method for the preparation of a semiconductor device Satoshi Maemori, Kazuyuki Nitta, Katsumi Oomori, Kazuo Tani, Yohei Kinoshita +1 more 2004-11-16
6815144 Positive-working chemical-amplification photoresist composition Katsumi Oomori, Hiroto Yukawa, Ryusuke Uchida 2004-11-09
6787290 Positive-working photoresist composition and resist patterning method using same Kazuyuki Nitta, Daisuke Kawana, Satoshi Shimatani 2004-09-07
6777158 Method for the preparation of a semiconductor device Satoshi Maemori, Kazuyuki Nitta, Katsumi Oomori, Kazuo Tani, Yohei Kinoshita +1 more 2004-08-17
6773863 Positive-working chemical-amplification photoresist composition Katsumi Oomori, Hiroto Yukawa, Ryusuke Uchida 2004-08-10
6677103 Positive-working photoresist composition Satoshi Maemori, Taku Nakao, Kazuyuki Nitta 2004-01-13
6673516 Coating composition for chemically amplified positive resist and method of patterning resist using the same Satoshi Kumon 2004-01-06
6638684 Photosensitive laminate, process for forming resist pattern using same and positive resist composition Waki Okubo, Kazuyuki Nitta, Toshiyuki Ogata 2003-10-28
RE38254 Positive resist composition Kazuyuki Nitta, Akiyoshi Yamazaki, Yoshika Banba, Toshimasa Nakayama 2003-09-16
6548229 Positive-working chemical-amplification photoresist composition and method for forming a resist pattern using the same Katsumi Oomori, Hiroto Yukawa, Ryusuke Uchida 2003-04-15
6444394 Positive-working photoresist composition Satoshi Maemori, Taku Nakao, Kazuyuki Nitta 2002-09-03
6388101 Chemical-sensitization photoresist composition Hideo Hada, Hiroshi Komano 2002-05-14
6387587 Positive-working chemical-amplification photoresist composition Katsumi Oomori, Hiroto Yukawa, Ryusuke Uchida 2002-05-14
6284430 Positive-working chemical-amplification photoresist composition and method for forming a resist pattern using the same Katsumi Oomori, Hiroto Yukawa, Ryusuke Uchida 2001-09-04
6255041 Method for formation of patterned resist layer Katsumi Oomori, Hiroto Yukawa, Ryusuke Uchida 2001-07-03
6245930 Chemical-sensitization resist composition Katsumi Oomori, Hideo Hada, Fumitake Kaneko, Mitsuru Sato, Toshimasa Nakayama 2001-06-12