SY

Sachio Yoshikawa

DC Dainichiseika Color & Chemicals Mfg. Co.: 12 patents #20 of 376Top 6%
KU Kyoto University: 2 patents #286 of 1,688Top 20%
Overall (All Time): #402,015 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12173105 A-B block copolymer, polymer emulsion and water-based inkjet ink Hiroyuki Shimanaka, Jun KAMABAYASHI, Akifumi Tanaka, Toshie Okubo, Lu Tian +1 more 2024-12-24
12065575 Aqueous pigment dispersion liquid, aqueous ink-jet ink, and dry coating Hiroyuki Shimanaka, Jun KAMABAYASHI, Toshie Okubo, Lu Tian, Akifumi Tanaka 2024-08-20
11926741 Method for producing quinacridone solid-solution pigment, pigment dispersion, and ink-jet ink Naoto Kamata 2024-03-12
11773267 Method for producing quinacridone solid solution pigment, pigment dispersion, and inkjet ink Naoto Kamata, Toshiyuki Hitotsuyanagi, Satoshi Minami 2023-10-03
11535755 Method for producing quinacridone solid solution pigment, pigment dispersion, and inkjet ink Naoto Kamata, Toshiyuki Hitotsuyanagi, Satoshi Minami 2022-12-27
10982020 A-B block co-polymer, A-B block co-polymer production method, resin treatment pigment composition, resin treatment pigment composition production method, pigment dispersion, and pigment dispersion solution Hiroyuki Shimanaka, Yoichi Tagi, Yoshikazu Murakami, Shinichiro Aoyagi, Kazutaka Arai 2021-04-20
9644106 Aqueous emulsion solution, coloring agent composition containing said aqueous solution, aqueous inkjet ink, and method for producing aqueous emulsion solution Hiroyuki Shimanaka, Yoshikazu Murakami, Shinichiro Aoyagi, Mitsuo Yamazaki 2017-05-09
9512321 Alkoxysilyl group-containing block copolymer, method for producing the same, resin-treated pigment, and pigment dispersion Hiroyuki Shimanaka, Yoshikazu Murakami, Shinya Tsuchida, Atsushi Goto, Yoshinobu Tsujii 2016-12-06
9120948 Process for producing block polymer, coated pigment and aqueous pigment dispersion Hiroyuki Shimanaka, Taiyo Aoyagi, Yoshikazu Murakami, Naoyuki Sakai, Atsushi Goto +2 more 2015-09-01
7138211 Solidifying material for cell electrolyte solution, and cell comprising the solidifying material Minoru Takizawa, Yoshifumi Sugito, Naomi Oguma, Seiji Doi, Michiei Nakamura 2006-11-21
6967232 High-molecular gelling agent precursor for electrolyte Minoru Takizawa, Seiji Doi, Chiaki Iwakura, Hiroshi Inoue, Naoji Furukawa +4 more 2005-11-22
6797436 Solidifying material for cell electrolyte solution, and cell comprising the solidifying material Minoru Takizawa, Yoshifumi Sugito, Naomi Oguma, Seiji Doi, Michiei Nakamura 2004-09-28