Patents by Inventor Tomohiro SHINYA

Tomohiro SHINYA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10866532
    Abstract: An electrostatic charge image developing toner includes a polar group-containing olefin resin that is a polymer of a composition containing at least one nonpolar monomer unit (X) selected from the group consisting of ethylene and ?-olefin having 3 to 10 carbon atoms, a polar monomer unit (Y) having at least one of a maleic acid group and a maleic anhydride group, and a monomer unit (Z) having a polymerizability to at least one of the nonpolar monomer unit (X) and the polar monomer unit (Y), in which an acid value of the toner is 10 mgKOH/g to 60 mgKOH/g.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: December 15, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Tomohiro Shinya, Naomi Miyamoto, Tomohito Nakajima, Shinya Nakashima, Shinya Sakamoto, Masaki Iwase, Ryutaro Kembo
  • Patent number: 10795274
    Abstract: An electrostatic charge image developing toner includes a continuous phase containing a binder resin (i); and a discontinuous phase that has a core containing a binder resin (ii) and a coating layer covering the core and containing a binder resin (iii), and is dispersed in the continuous phase.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: October 6, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Shinya Nakashima, Shinya Sakamoto, Tomohiro Shinya, Naomi Miyamoto, Masaki Iwase, Ryutaro Kembo, Tomohito Nakajima
  • Publication number: 20200310270
    Abstract: An electrostatic charge image developing toner includes a continuous phase containing a binder resin (i); and a discontinuous phase that has a core containing a binder resin (ii) and a coating layer covering the core and containing a binder resin (iii), and is dispersed in the continuous phase.
    Type: Application
    Filed: August 5, 2019
    Publication date: October 1, 2020
    Applicant: Fuji Xerox Co., Ltd.
    Inventors: Shinya Nakashima, Shinya Sakamoto, Tomohiro Shinya, Naomi Miyamoto, Masaki Iwase, Ryutaro Kembo, Tomohito Nakajima
  • Publication number: 20200310269
    Abstract: An electrostatic charge image developing toner includes a polar group-containing olefin resin that is a polymer of a composition containing at least one nonpolar monomer unit (X) selected from the group consisting of ethylene and ?-olefin having 3 to 10 carbon atoms, a polar monomer unit (Y) having at least one of a maleic acid group and a maleic anhydride group, and a monomer unit (Z) having a polymerizability to at least one of the nonpolar monomer unit (X) and the polar monomer unit (Y), in which an acid value of the toner is 10 mgKOH/g to 60 mgKOH/g.
    Type: Application
    Filed: August 5, 2019
    Publication date: October 1, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Tomohiro SHINYA, Naomi Miyamoto, Tomohito Nakajima, Shinya Nakashima, Shinya Sakamoto, Masaki Iwase, Ryutaro Kembo
  • Publication number: 20200310271
    Abstract: A toner for developing an electrostatic charge image includes a binder resin. In dynamic viscoelasticity measurement, a storage modulus G?50T of the toner at 50° C. is 2×106 Pa or more and 3×108 Pa or less, a storage modulus G?100T of the toner at 100° C. is 1×104 Pa or more and 1×106 Pa or less, and tan ?T of the toner in an entire temperature range of 50° C. or more and 100° C. or less is 0.05 or more and 1.5 or less.
    Type: Application
    Filed: February 5, 2020
    Publication date: October 1, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shinya SAKAMOTO, Shinya NAKASHIMA, Masaki IWASE, Tomohiro SHINYA, Ryutaro KEMBO, Tomohito NAKAJIMA, Naomi MIYAMOTO
  • Publication number: 20180273761
    Abstract: A pigment dispersant includes: a polymer having a structural unit represented by General Formula (1); and a structural unit derived from a polystyrene macromonomer. In General Formula (1), n represents a positive integer, R1 represents a hydrogen atom or a methyl group, and X1 represents a divalent linking group except a single bond.
    Type: Application
    Filed: November 9, 2017
    Publication date: September 27, 2018
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kosaku YOSHIMURA, Tomohiro SHINYA
  • Patent number: 9733586
    Abstract: A resin composite particle includes a continuous phase formed of a polyester resin, and a dispersed phase formed of a vinyl resin and dispersed in the continuous phase, the volume average particle diameter of the resin composite particles being from 50 nm to 1,000 nm.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: August 15, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Kousaku Yoshimura, Tomohiro Shinya, Kiyohiro Yamanaka, Shinpei Takagi
  • Publication number: 20170052466
    Abstract: A resin composite particle includes a continuous phase formed of a polyester resin, and a dispersed phase formed of a vinyl resin and dispersed in the continuous phase, the volume average particle diameter of the resin composite particles being from 50 nm to 1,000 nm.
    Type: Application
    Filed: February 8, 2016
    Publication date: February 23, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kousaku YOSHIMURA, Tomohiro SHINYA, Kiyohiro YAMANAKA, Shinpei TAKAGI
  • Patent number: 9329511
    Abstract: An electrostatic charge image developing toner includes toner particles containing an amorphous resin and a crystalline resin, wherein when a softening temperature is measured at 30 points in surface layer parts of the toner particles, a difference (TH(° C.)?TL(° C.)) between a maximum value (TH(° C.)) and a minimum value (TL(° C.)) out of the softening temperatures at the 30 points is from 25° C. to 100° C.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: May 3, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Kiyohiro Yamanaka, Soichiro Kitagawa, Tomohiro Shinya, Shinpei Takagi
  • Patent number: 9285696
    Abstract: An electrostatic charge image developing toner includes an unsaturated polyester resin that contains a structural unit derived from a dicarboxylic acid component having an ethylenically unsaturated bond and a structural unit derived from a dialcohol component having a rosin ester group, wherein a surface layer portion of the toner contains a crosslinked material of the unsaturated polyester resin.
    Type: Grant
    Filed: May 14, 2014
    Date of Patent: March 15, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Tomohiro Shinya, Shinpei Takagi, Soichiro Kitagawa, Kiyohiro Yamanaka
  • Publication number: 20160026102
    Abstract: An electrostatic charge image developing toner includes a toner particle including a binder resin containing an amorphous polyester resin and a crystalline polyester resin, wherein a Young's modulus of the toner particles at 20° C. is 3.0 GPa to 3.5 GPa.
    Type: Application
    Filed: February 9, 2015
    Publication date: January 28, 2016
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Emi MIYATA, Soichiro KITAGAWA, Tomohiro SHINYA
  • Patent number: 9216163
    Abstract: A novel angiogenesis inhibitor, and a method for inhibiting angiogenesis are provided. Also provided are a prophylactic or therapeutic agent for a disease accompanied by angiogenesis, and a method for preventing or treating a disease accompanied by angiogenesis. The angiogenesis inhibitor contains L-carbocisteine or a pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: December 22, 2015
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Keizo Sato, Tomohiro Shinya, Shiori Nakayama
  • Patent number: 9005863
    Abstract: An electrostatic charge image developing toner includes toner particles having a core that includes a block copolymer of a crystalline polyester block and an amorphous polyester block, and a shell that covers the core and includes an amorphous polyester resin having an ethylenically unsaturated double bond, and of which a surface layer part includes a crosslinked product of the amorphous polyester resin having an ethylenically unsaturated double bond.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: April 14, 2015
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Shinpei Takagi, Soichiro Kitagawa, Shinya Sakamoto, Tomohiro Shinya
  • Publication number: 20150072276
    Abstract: An electrostatic charge image developing toner includes an unsaturated polyester resin that contains a structural unit derived from a dicarboxylic acid component having an ethylenically unsaturated bond and a structural unit derived from a dialcohol component having a rosin ester group, wherein a surface layer portion of the toner contains a crosslinked material of the unsaturated polyester resin.
    Type: Application
    Filed: May 14, 2014
    Publication date: March 12, 2015
    Applicant: Fuji Xerox Co., Ltd.
    Inventors: Tomohiro SHINYA, Shinpei TAKAGI, Soichiro KITAGAWA, Kiyohiro YAMANAKA
  • Publication number: 20150050590
    Abstract: An electrostatic charge image developing toner includes toner particles containing an amorphous resin and a crystalline resin, wherein when a softening temperature is measured at 30 points in surface layer parts of the toner particles, a difference (TH(° C.)?TL(° C.)) between a maximum value (TH(° C.)) and a minimum value (TL(° C.)) out of the softening temperatures at the 30 points is from 25° C. to 100° C.
    Type: Application
    Filed: May 27, 2014
    Publication date: February 19, 2015
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kiyohiro YAMANAKA, Soichiro KITAGAWA, Tomohiro SHINYA, Shinpei TAKAGI
  • Publication number: 20150044602
    Abstract: There is provided an electrostatic image-developing toner containing an amorphous polyester resin, a crystalline polyester resin, and a resin particle incompatible with the amorphous polyester resin, wherein the amorphous polyester resin contains an amorphous polyester resin having an ethylenically unsaturated bond and a surface layer part contains a crosslinking product of the amorphous polyester resin having an ethylenically unsaturated bond.
    Type: Application
    Filed: April 17, 2014
    Publication date: February 12, 2015
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Soichiro KITAGAWA, Shinpei TAKAGI, Kiyohiro YAMANAKA, Tomohiro SHINYA
  • Patent number: 8906588
    Abstract: An electrostatic charge image developing toner is provided which includes a core particle that contains an amorphous polyester resin and a colorant; and a shell layer that covers the core particle and contains a polystyrene resin, wherein a softening temperature Ma of the shell layer and a softening temperature Mb of the core particle satisfy a relationship of 10° C.?Ma-Mb?45° C.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: December 9, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Tomohiro Shinya, Shinpei Takagi, Soichiro Kitagawa, Shinya Sakamoto
  • Publication number: 20140343149
    Abstract: A novel angiogenesis inhibitor, and a method for inhibiting angiogenesis are provided. Also provided are a prophylactic or therapeutic agent for a disease accompanied by angiogenesis, and a method for preventing or treating a disease accompanied by angiogenesis. The angiogenesis inhibitor contains L-carbocisteine or a pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Application
    Filed: March 4, 2014
    Publication date: November 20, 2014
    Applicant: KYORIN PHARMACEUTICAL CO., LTD
    Inventors: Keizo SATO, Tomohiro SHINYA, Shiori NAKAYAMA
  • Publication number: 20140113227
    Abstract: An electrostatic charge image developing toner is provided which includes a core particle that contains an amorphous polyester resin and a colorant; and a shell layer that covers the core particle and contains a polystyrene resin, wherein a softening temperature Ma of the shell layer and a softening temperature Mb of the core particle satisfy a relationship of 10° C.?Ma-Mb?45° C.
    Type: Application
    Filed: June 6, 2013
    Publication date: April 24, 2014
    Inventors: Tomohiro SHINYA, Shinpei TAKAGI, Soichiro KITAGAWA, Shinya SAKAMOTO
  • Publication number: 20140099579
    Abstract: An electrostatic charge image developing toner includes toner particles having a core that includes a block copolymer of a crystalline polyester block and an amorphous polyester block, and a shell that covers the core and includes an amorphous polyester resin having an ethylenically unsaturated double bond, and of which a surface layer part includes a crosslinked product of the amorphous polyester resin having an ethylenically unsaturated double bond.
    Type: Application
    Filed: June 7, 2013
    Publication date: April 10, 2014
    Inventors: Shinpei TAKAGI, Soichiro KITAGAWA, Shinya SAKAMOTO, Tomohiro SHINYA