公开(公告)号：US10000656B2

公开(公告)日：2018-06-19

申请号：US15373523

申请日：2016-12-09

申请人： Yoshiki Yanagawa ,  Akihiko Matsuyama ,  Kazukiyo Nagai ,  Tomoyuki Shimada ,  Shigeyuki Harada ,  Akiyoshi Sabu ,  Yuusuke Koizuka ,  Koichiro Oyama ,  Takuya Yamazaki

发明人： Yoshiki Yanagawa ,  Akihiko Matsuyama ,  Kazukiyo Nagai ,  Tomoyuki Shimada ,  Shigeyuki Harada ,  Akiyoshi Sabu ,  Yuusuke Koizuka ,  Koichiro Oyama ,  Takuya Yamazaki

IPC分类号： C09D11/107 ,  C09D11/30 ,  C09D11/322 ,  C09D133/14

CPC分类号： C09D133/14 ,  C09D11/107 ,  C09D11/322

摘要： An ink includes a pigment a quinacridone compound represented by Chemical formula 1, and a copolymer including the structure unit represented by Chemical formula 2 or Chemical formula 3. In Chemical formula 1, R1, R2, R3, and R4 each, independently represent hydrogen atoms, halogen atoms, or alkyl groups having 1-4 carbon atoms, R5, R6, and R7 each, independently represent alkyl groups having 1-4 carbon atoms or alkylene groups having 1-4 carbon atoms, and m represents 1 or 2, In Chemical formula 2, R8 represents a hydrogen atom or a methyl group and L1 represents an alkylene group having 2-16 carbon atoms, In Chemical formula 3, R9 represents a hydrogen atom or a methyl group, L2 represents a single bond or —(CH2)n—O— and n represents an integer of 2-16.

公开(公告)号：US10233341B2

公开(公告)日：2019-03-19

申请号：US15282101

申请日：2016-09-30

申请人： Yuusuke Koizuka ,  Kazukiyo Nagai ,  Tomoyuki Shimada ,  Shigeyuki Harada ,  Akihiko Matsuyama ,  Yoshiki Yanagawa ,  Koichiro Oyama ,  Takuya Yamazaki ,  Akiyoshi Sabu

发明人： Yuusuke Koizuka ,  Kazukiyo Nagai ,  Tomoyuki Shimada ,  Shigeyuki Harada ,  Akihiko Matsuyama ,  Yoshiki Yanagawa ,  Koichiro Oyama ,  Takuya Yamazaki ,  Akiyoshi Sabu

IPC分类号： C09D11/102 ,  C09D11/322 ,  C09D11/324

摘要： Ink includes water, a coloring material, and a copolymer including a first structure unit represented by the following Chemical formula 1 and a second structure unit including an anionic group. In the Chemical formula, R represents a hydrogen atom or a methyl group, X represents an alkylene group having 2-4 carbon atoms, and Y represents a substituted or non-substituted straight-chain alkylene group having 5 to 7 carbon atoms.

公开(公告)号：US20190136076A1

公开(公告)日：2019-05-09

申请号：US16242549

申请日：2019-01-08

申请人： Yuusuke Koizuka ,  Kazukiyo Nagai ,  Tomoyuki Shimada ,  Shigeyuki Harada ,  Akihiko Matsuyama ,  Yoshiki Yanagawa ,  Koichiro Oyama ,  Takuya Yamazaki ,  Akiyoshi Sabu

发明人： Yuusuke Koizuka ,  Kazukiyo Nagai ,  Tomoyuki Shimada ,  Shigeyuki Harada ,  Akihiko Matsuyama ,  Yoshiki Yanagawa ,  Koichiro Oyama ,  Takuya Yamazaki ,  Akiyoshi Sabu

IPC分类号： C09D11/102 ,  C09D11/324 ,  C09D11/322

摘要： Ink includes water, a coloring material, and a copolymer including a first structure unit represented by the following Chemical formula 1 and a second structure unit including an anionic group. In the Chemical formula, R represents a hydrogen atom or a methyl group, X represents an alkylene group having 2-4 carbon atoms, and Y represents a substituted or non-substituted straight-chain alkylene group having 5 to 7 carbon atoms.

公开(公告)号：US10273373B2

公开(公告)日：2019-04-30

申请号：US15454334

申请日：2017-03-09

申请人： Yuusuke Koizuka ,  Kazukiyo Nagai ,  Tomoyuki Shimada ,  Shigeyuki Harada ,  Koichiro Oyama ,  Takuya Yamazaki ,  Akiyoshi Sabu ,  Yoshiki Yanagawa ,  Akihiko Matsuyama

发明人： Yuusuke Koizuka ,  Kazukiyo Nagai ,  Tomoyuki Shimada ,  Shigeyuki Harada ,  Koichiro Oyama ,  Takuya Yamazaki ,  Akiyoshi Sabu ,  Yoshiki Yanagawa ,  Akihiko Matsuyama

IPC分类号： C09D11/107 ,  C09D11/322 ,  C09D11/033 ,  B41J2/01 ,  H02M3/157 ,  H02M1/00

摘要： Provided is an ink containing water, a coloring material, and a copolymer, wherein the copolymer contains a structural unit represented by any one of general formulae (1a), (1b), and (1c) below and a structural unit containing an anionic group, where R1 represents a hydrogen atom or a methyl group, a represents an integer of from 6 through 10, and b represents an integer of 0 or 1, where R2 represents a hydrogen atom or a methyl group, c represents an integer of 3 or 4, and d represents an integer of 0 or 1, where R3 represents a hydrogen atom or a methyl group and e represents an integer of from 2 through 10.

公开(公告)号：US09896530B2

公开(公告)日：2018-02-20

申请号：US15366526

申请日：2016-12-01

申请人： Shigeyuki Harada ,  Kazukiyo Nagai ,  Yuusuke Koizuka ,  Tomoyuki Shimada ,  Takuya Yamazaki ,  Koichiro Oyama ,  Akiyoshi Sabu ,  Akihiko Matsuyama ,  Yoshiki Yanagawa

发明人： Shigeyuki Harada ,  Kazukiyo Nagai ,  Yuusuke Koizuka ,  Tomoyuki Shimada ,  Takuya Yamazaki ,  Koichiro Oyama ,  Akiyoshi Sabu ,  Akihiko Matsuyama ,  Yoshiki Yanagawa

IPC分类号： C08F222/22 ,  C08F220/34 ,  C09D11/107

CPC分类号： C08F222/22 ,  C08F220/34 ,  C09D11/107 ,  C09D11/326 ,  C08F220/06

摘要： A copolymer including a structural unit represented by General Formula (1) below and a structural unit represented by General Formula (2) below, where, in General Formula (1), R is a hydrogen atom or a methyl group and X is a hydrogen atom or a cation, where, in General Formula (2), L is an alkylene group having 2 or more but 18 or less carbon atoms.

公开(公告)号：US10807377B2

公开(公告)日：2020-10-20

申请号：US16292376

申请日：2019-03-05

申请人： Takuya Yamazaki ,  Shigeyuki Harada ,  Takuya Saiga ,  Hiroshi Gotou ,  Yuusuke Koizuka ,  Koichiro Oyama

发明人： Takuya Yamazaki ,  Shigeyuki Harada ,  Takuya Saiga ,  Hiroshi Gotou ,  Yuusuke Koizuka ,  Koichiro Oyama

IPC分类号： C09D11/322 ,  B41J2/21 ,  B41J2/01 ,  C09D11/38

摘要： An ink, includes water; a coloring material; and a cross-linked copolymer having a structure unit represented by the following Chemical formula 1, and a structure unit represented by the following Chemical formula 2, in Chemical formula 1, X represents a hydrogen atom or a cation and R1 represents a hydrogen atom or a methyl group, in Chemical formula 2, R2 represents a hydrogen atom or a methyl group, L represents an alkylene group having 2 to 18 carbon atoms, and * represents an atomic bond.

公开(公告)号：US20220251409A1

公开(公告)日：2022-08-11

申请号：US17649111

申请日：2022-01-27

申请人： Shun SAITO ,  Kento Sugita ,  Koichiro Oyama ,  Mizuki Kuroha ,  Satoshi Takahashi ,  Yuuki Yokohama ,  Takashi Watanabe

发明人： Shun SAITO ,  Kento Sugita ,  Koichiro Oyama ,  Mizuki Kuroha ,  Satoshi Takahashi ,  Yuuki Yokohama ,  Takashi Watanabe

IPC分类号： C09D11/54 ,  C09D11/38 ,  C09D11/40 ,  C09D11/033 ,  C09D11/102 ,  A01N55/02

摘要： A liquid composition contains a macrocyclic compound enclosing a metal ion, water, and an organic solvent, wherein a recording medium where the liquid composition has been applied has at least one of an antibacterial activity or an antiviral activity.

公开(公告)号：US10138344B2

公开(公告)日：2018-11-27

申请号：US15075045

申请日：2016-03-18

申请人： Yoko Arai ,  Atsumi Yamabe ,  Koichiro Oyama ,  Yasuo Kamada

发明人： Yoko Arai ,  Atsumi Yamabe ,  Koichiro Oyama ,  Yasuo Kamada

IPC分类号： C08J9/12 ,  B29C44/00 ,  C08J9/20 ,  C08G69/24 ,  C08G69/18 ,  C08G69/22 ,  C08L77/02

摘要： A particulate polyamide is provided. The particulate polyamide is porous and includes at least one of polyamide 4 and polyamide 3. In addition, the particulate polyamide has a particle diameter (d50) of from 10 μm to 1,000 μm and a particle diameter dispersion degree (Dv/Dn) of not greater than 3.0, wherein Dv represents the volume average particle diameter of the particulate polyamide, and Dn represents the number average particle diameter of the particulate polyamide.