Patents by Inventor Tomohisa Nishimoto

Tomohisa Nishimoto 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: 11597786
    Abstract: The present invention relates to a model material composition for shaping a model material by a material jetting optical shaping method, comprising a polymerizable compound, a photopolymerization initiator and a siloxane compound having one polymerizable group per molecule, the siloxane compound having a number average molecular weight of 300 to 10,000.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: March 7, 2023
    Assignee: MAXELL, LTD.
    Inventors: Tomohisa Nishimoto, Satoshi Kubo
  • Patent number: 11231611
    Abstract: The present invention addresses the problem of providing a coating composition and an electroconductive film, capable of improving touch panel performance, such as operational stability over time and touch detection sensitivity of a liquid crystal display panel having a reduced thickness.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: January 25, 2022
    Assignee: MAXELL HOLDINGS, LTD.
    Inventors: Tomohisa Nishimoto, Satoshi Kobayashi, Yoshiyuki Makida, Yoshimasa Mitsumoto, Kaori Kitabatake
  • Patent number: 11098211
    Abstract: To provide a photocurable inkjet primer ink composition having a low viscosity, which is capable of forming a primer layer which exhibits excellent adhesion to a non-absorptive substrate material and has low tackiness, an inkjet ink set, and an inkjet recording method. A photocurable inkjet primer ink composition comprising: a photopolymerizable compound and a photopolymerization initiator, the composition having a viscosity at 25° C. of 5.0 to 10.0 mPa·s; wherein the photopolymerizable compound is composed of a monofunctional ethylenically unsaturated monomer and a bifunctional ethylenically unsaturated oligomer; wherein a content of the monofunctional ethylenically unsaturated monomer is 76.0 parts by weight or more per 100 parts by weight of the whole composition; and wherein a homopolymer of the monofunctional ethylenically unsaturated monomer has a glass transition temperature of lower than 25° C.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: August 24, 2021
    Assignee: MAXELL HOLDINGS, LTD.
    Inventors: Yujiro Harada, Tomohisa Nishimoto
  • Patent number: 10907063
    Abstract: An ink composition according to the present invention contains a polymerizable compound and a photopolymerization initiator, wherein an amount of organic sulfonic acid measured at a temperature of 25° C. by using a water extraction method is 50 ppm or less, and an amount of water measured by a Karl Fischer method is 0.50 mass % or less with respect to a total mass of the ink composition. Also, an ink-jet ink set according to the present invention includes the above-described ink composition of the present invention. Also, an ink-jet printing system according to the present invention uses the above-described ink composition of the present invention and an ink-jet recording apparatus, and the ink-jet recording apparatus includes an ink heating portion and an ink filter.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: February 2, 2021
    Assignee: Maxell Holdings, Ltd.
    Inventors: Tomohisa Nishimoto, Yoshiro Nishimura, Masaru Nakayama, Satoshi Kubo
  • Publication number: 20200409211
    Abstract: The present invention addresses the problem of providing a coating composition and an electroconductive film, capable of improving touch panel performance, such as operational stability over time and touch detection sensitivity of a liquid crystal display panel having a reduced thickness.
    Type: Application
    Filed: September 7, 2018
    Publication date: December 31, 2020
    Inventors: Tomohisa NISHIMOTO, Satoshi KOBAYASHI, Yoshiyuki MAKIDA, Yoshimasa MITSUMOTO, Kaori KITABATAKE
  • Patent number: 10822509
    Abstract: An ink composition according to the present invention contains a polymerizable compound and a photopolymerization initiator, wherein an amount of organic sulfonic acid measured at a temperature of 25° C. by using a water extraction method is 50 ppm or less, and an amount of water measured by a Karl Fischer method is 0.50 mass % or less with respect to a total mass of the ink composition. Also, an ink-jet ink set according to the present invention includes the above-described ink composition of the present invention. Also, an ink-jet printing system according to the present invention uses the above-described ink composition of the present invention and an ink-jet recording apparatus, and the ink-jet recording apparatus includes an ink heating portion and an ink filter.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: November 3, 2020
    Assignee: Maxell Holdings, Ltd.
    Inventors: Tomohisa Nishimoto, Yoshiro Nishimura, Masaru Nakayama, Satoshi Kubo
  • Publication number: 20200317940
    Abstract: To provide a photocurable inkjet primer ink composition having a low viscosity, which is capable of forming a primer layer which exhibits excellent adhesion to a non-absorptive substrate material and has low tackiness, an inkjet ink set, and an inkjet recording method. A photocurable inkjet primer ink composition comprising: a photopolymerizable compound and a photopolymerization initiator, the composition having a viscosity at 25° C. of 5.0 to 10.0 mPa·s; wherein the photopolymerizable compound is composed of a monofunctional ethylenically unsaturated monomer and a bifunctional ethylenically unsaturated oligomer; wherein a content of the monofunctional ethylenically unsaturated monomer is 76.0 parts by weight or more per 100 parts by weight of the whole composition; and wherein a homopolymer of the monofunctional ethylenically unsaturated monomer has a glass transition temperature of lower than 25° C.
    Type: Application
    Filed: March 14, 2017
    Publication date: October 8, 2020
    Inventors: Yujiro HARADA, Tomohisa NISHIMOTO
  • Publication number: 20200282636
    Abstract: The present invention relates to a model material composition for shaping a model material by a material jetting optical shaping method, comprising a polymerizable compound, a photopolymerization initiator and a siloxane compound having one polymerizable group per molecule, the siloxane compound having a number average molecular weight of 300 to 10,000.
    Type: Application
    Filed: September 13, 2018
    Publication date: September 10, 2020
    Inventors: Tomohisa NISHIMOTO, Satoshi KUBO
  • Publication number: 20190315986
    Abstract: An ink composition according to the present invention contains a polymerizable compound and a photopolymerization initiator, wherein an amount of organic sulfonic acid measured at a temperature of 25° C. by using a water extraction method is 50 ppm or less, and an amount of water measured by a Karl Fischer method is 0.50 mass % or less with respect to a total mass of the ink composition. Also, an ink-jet ink set according to the present invention includes the above-described ink composition of the present invention. Also, an ink-jet printing system according to the present invention uses the above-described ink composition of the present invention and an ink-jet recording apparatus, and the ink-jet recording apparatus includes an ink heating portion and an ink filter.
    Type: Application
    Filed: May 30, 2019
    Publication date: October 17, 2019
    Applicant: Maxell Holdings, Ltd.
    Inventors: Tomohisa NISHIMOTO, Yoshiro NISHIMURA, Masaru NAKAYAMA, Satoshi KUBO
  • Publication number: 20180066150
    Abstract: An ink composition according to the present invention contains a polymerizable compound and a photopolymerization initiator, wherein an amount of organic sulfonic acid measured at a temperature of 25° C. by using a water extraction method is 50 ppm or less, and an amount of water measured by a Karl Fischer method is 0.50 mass % or less with respect to a total mass of the ink composition. Also, an inkjet ink set according to the present invention includes the above-described ink composition of the present invention. Also, an ink-jet printing system according to the present invention uses the above-described ink composition of the present invention and an inkjet recording apparatus, and the inkjet recording apparatus includes an ink heating portion and an ink filter.
    Type: Application
    Filed: September 13, 2016
    Publication date: March 8, 2018
    Applicant: HITACHI MAXELL, LTD.
    Inventors: Tomohisa NISHIMOTO, Yoshiro NISHIMURA, Masaru NAKAYAMA, Satoshi KUBO
  • Patent number: 9428660
    Abstract: An oil-based ink composition comprising a colorant, an organic solvent and a polymeric compound, and optionally an alkylamine ethylene oxide derivative as a pH adjusting agent, in which the pH of an aqueous phase is from 5.5 to 10, when ions in the ink composition are transferred to water. This oil-based ink composition prevents corrosion of a nozzle plate and is improved in storage stability, and thus can ensure printer reliability such as ink-jet stability obtainable even after long storage thereof, and can withstand outdoor service environments.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: August 30, 2016
    Assignee: HITACHI MAXELL, LTD.
    Inventors: Tomohisa Nishimoto, Miyuki Dobata, Kanryo Terasawa
  • Publication number: 20140135432
    Abstract: An oil-based ink composition comprising a colorant, an organic solvent and a polymeric compound, and optionally an alkylamine ethylene oxide derivative as a pH adjusting agent, in which the pH of an aqueous phase is from 5.5 to 10, when ions in the ink composition are transferred to water. This oil-based ink composition prevents corrosion of a nozzle plate and is improved in storage stability, and thus can ensure printer reliability such as ink-jet stability obtainable even after long storage thereof, and can withstand outdoor service environments.
    Type: Application
    Filed: January 22, 2014
    Publication date: May 15, 2014
    Applicant: HITACHI MAXELL, LTD.
    Inventors: Tomohisa NISHIMOTO, Miyuki DOBATA, Kanryo TERASAWA
  • Patent number: 8669318
    Abstract: An oil-based ink composition comprising a colorant, an organic solvent and a polymeric compound, and optionally an alkylamine ethylene oxide derivative as a pH adjusting agent, in which the pH of an aqueous phase is from 5.5 to 10, when ions in the ink composition are transferred to water. This oil-based ink composition prevents corrosion of a nozzle plate and is improved in storage stability, and thus can ensure printer reliability such as ink-jet stability obtainable even after long storage thereof, and can withstand outdoor service environments.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: March 11, 2014
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Tomohisa Nishimoto, Miyuki Dobata, Kanryo Terasawa
  • Publication number: 20090088500
    Abstract: An oil-based ink composition comprising a colorant, an organic solvent and a polymeric compound, and optionally an alkylamine ethylene oxide derivative as a pH adjusting agent, in which the pH of an aqueous phase is from 5.5 to 10, when ions in the ink composition are transferred to water. This oil-based ink composition prevents corrosion of a nozzle plate and is improved in storage stability, and thus can ensure printer reliability such as ink-jet stability obtainable even after long storage thereof, and can withstand outdoor service environments.
    Type: Application
    Filed: March 14, 2007
    Publication date: April 2, 2009
    Inventors: Tomohisa Nishimoto, Miyuki Dobata, Kanryo Terasawa