Patents by Inventor Kyohei MOCHIZUKI

Kyohei MOCHIZUKI 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: 9254595
    Abstract: Provided are a decorative sheet having stretchability and heat resistance and an in-mold forming method capable of forming in-mold injection formed products having excellent decorative image. A decorative sheet includes an image layer and an image running prevention region in order on a resin sheet, in which the image layer is a cured image of an ink composition containing (a) a polymerizable compound, (b) a polymerization initiator, and (c) a coloring agent; the image running prevention region is a cured layer of a composition for running prevention containing (a) a polymerizable compound, and (b) a polymerization initiator; and the image running prevention region has superior heat resistance to the image layer, and an injection forming method using the decorative sheet.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: February 9, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Yoshimitsu Arai, Atsushi Sakamoto, Kenjirou Araki, Kyohei Mochizuki
  • Patent number: 9248668
    Abstract: An inkjet recording apparatus for forming an image by discharging an ink including an ink pigment and a polymerizable compound containing at least an N-vinyl lactam, in which the 90% diameter in cumulative volume distribution of the particle diameters of the ink pigment is equal to or less than 500 nm and the content of N-vinyl lactam is 3% to 24%, from nozzles of an inkjet head, which includes nozzle arrays having nozzles each of which discharges a curable ink cured by applied active energy and which are arranged in the first direction at a pitch P, the nozzle arrays being N (N?4) nozzle arrays of every color, which respectively discharge thick inks of at least four colors and which nozzle arrays are arranged to be shifted by P/N away from each other in the first direction.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: February 2, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Kyohei Mochizuki, Yasuhiko Kachi, Kazuo Sanada, Hirofumi Saita, Kazuaki Okamori
  • Publication number: 20150231892
    Abstract: An inkjet recording apparatus for forming an image by discharging an ink including an ink pigment and a polymerizable compound containing at least an N-vinyl lactam, in which the 90% diameter in cumulative volume distribution of the particle diameters of the ink pigment is equal to or less than 500 nm and the content of N-vinyl lactam is 3% to 24%, from nozzles of an inkjet head, which includes nozzle arrays having nozzles each of which discharges a curable ink cured by applied active energy and which are arranged in the first direction at a pitch P, the nozzle arrays being N (N?4) nozzle arrays of every color, which respectively discharge thick inks of at least four colors and which nozzle arrays are arranged to be shifted by P/N away from each other in the first direction.
    Type: Application
    Filed: April 24, 2015
    Publication date: August 20, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Kyohei MOCHIZUKI, Yasuhiko KACHI, Kazuo SANADA, Hirofumi SAITA, Kazuaki OKAMORI
  • Publication number: 20140370250
    Abstract: An object of the present invention is to provide an ink composition for inkjet recording that is excellent in terms of surface gloss and storage stability. Disclosed is an ink composition for inkjet recording comprising (Component A) a polymerizable compound, (Component B-1) an oxyl free radical-based polymerization inhibitor, (Component B-2) a phenol-based polymerization inhibitor, and (Component B-3) an amine-based polymerization inhibitor. The polymerizable compound (Component A) preferably comprises (Component A-1) a divinyl ether compound. The ink composition preferably further comprises (Component C) a polymerization initiator, and more preferably comprises (Component C-1) an acylphosphine-based polymerization initiator as the polymerization initiator (Component C).
    Type: Application
    Filed: August 5, 2014
    Publication date: December 18, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Yuusuke FUJII, Kyohei MOCHIZUKI
  • Patent number: 8857968
    Abstract: An object of the present invention is to provide an ink composition which has excellent storage stability and has good curing sensitivity regardless of the type of a light source for irradiation, and an ink container. Another object of the present invention is to provide an ink jet recording method which provides a cured image having excellent image gloss even with an LED light source. The ink composition comprises: a radically polymerizable compound; a radical polymerization initiator; and a colorant, and having a dissolved oxygen content of 9 mg/L or more. The ink container, having a gas-impermeable structure and encapsulates the ink composition. The ink jet recording method comprises: a degassing step of reducing a dissolved oxygen between the ink container that stores the ink composition and ink-discharging nozzles; and a discharging step of discharging the degassed ink composition from the nozzles.
    Type: Grant
    Filed: May 29, 2012
    Date of Patent: October 14, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Yusuke Fujii, Kyohei Mochizuki
  • Patent number: 8673431
    Abstract: An ink set for forming a multilayer of the present invention includes a group of coloring ink compositions which include a yellow, a magenta, a cyan and a black ink composition, and a clear ink composition, wherein each of the coloring ink compositions contain a (component A) radical polymerizable compound, a (component B) radical polymerization initiator and a (component D) coloring agent, and the component A contains a (component A-1) N-vinyl compound and a (component A-2) specific ethylenic unsaturated compound (CTFA), the clear ink composition contains a (component A) radical polymerizable compound, a (component B) acylphosphine oxide-based photoinitiator and a (component C) surfactant, and the relation of 0.1?(Y/X)<1 is satisfied when the content of the radical polymerization initiator in the clear ink composition is X, the content of the radical polymerization initiator in the magenta ink composition is Y.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: March 18, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Kyohei Mochizuki, Yusuke Fujii, Kenjirou Araki
  • Patent number: 8662652
    Abstract: An ink composition is provided that includes (Component A) at least one compound selected from the group consisting of bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide and 2,4,6-trimethylbenzoyldiphenylphosphine oxide, (Component B) at least one compound selected from the group consisting of 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one, 2-(dimethylamino)-2-[(4-methylphenyl)methyl]-1-[4-(4-morpholinyl)phenyl]-1-butanone, and 2-benzyl-2-dimethylamino-1-(4-morpholinophenyl)-1-butanone, (Component C) a thioxanthone compound, (Component D) a polymerization inhibitor, and (Component E) a polymerizable compound, Component C having a content of 0.01 to 5 wt % relative to the total weight of the ink composition, Component D having a content of 0.01 to 5 wt % relative to the total weight of the ink composition, the sum of the content of Component A and the content of Component B being 6.0 to 9.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: March 4, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Kyohei Mochizuki, Yuusuke Fujii
  • Publication number: 20130230701
    Abstract: Disclosed is an actinic radiation-curing type ink set comprising a colored ink composition and a clear ink composition (C1), the colored ink composition comprising (Component A1) a radically polymerizable compound, (Component B1) a polymerization initiator, and (Component D) a colorant, and the clear ink composition (C1) comprising (Component A2) a radically polymerizable compound, (Component B2) a polymerization initiator, and (Component S) an organic solvent.
    Type: Application
    Filed: February 28, 2013
    Publication date: September 5, 2013
    Applicant: FUJIFILM CORPORATION
    Inventor: Kyohei MOCHIZUKI
  • Patent number: 8450394
    Abstract: An ink composition for ink-jet recording includes a pigment; resin particles having a glass transition temperature of 80° C. or higher; at least one water-soluble organic solvent; and water, and a total mass of solid content in the ink composition for ink-jet recording is 10% by mass or more relative to the ink composition for ink-jet recording, and the at least one water-soluble organic solvent includes at least one organic solvent having an SP value of 27.5 or lower, the amount of the at least one organic solvent having an SP value of 27.5 or lower being 70% by mass or more relative to a total amount of the at least one water-soluble organic solvent. An ink-jet recording method is also provided.
    Type: Grant
    Filed: March 2, 2010
    Date of Patent: May 28, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Kaoru Tojo, Yasufumi Ooishi, Kyohei Mochizuki, Kiyoshi Irita
  • Publication number: 20130065027
    Abstract: An ink set for forming a multilayer of the present invention includes a group of coloring ink compositions which include a yellow, a magenta, a cyan and a black ink composition, and a clear ink composition, wherein each of the coloring ink compositions contain a (component A) radical polymerizable compound, a (component B) radical polymerization initiator and a (component D) coloring agent, and the component A contains a (component A-1) N-vinyl compound and a (component A-2) specific ethylenic unsaturated compound (CTFA), the clear ink composition contains a (component A) radical polymerizable compound, a (component B) acylphosphine oxide-based photoinitiator and a (component C) surfactant, and the relation of 0.1?(Y/X)<1 is satisfied when the content of the radical polymerization initiator in the clear ink composition is X, the content of the radical polymerization initiator in the magenta ink composition is Y.
    Type: Application
    Filed: August 28, 2012
    Publication date: March 14, 2013
    Applicant: FUJIFILM CORPORATION
    Inventors: Kyohei MOCHIZUKI, Yusuke FUJII, Kenjirou ARAKI
  • Publication number: 20130049267
    Abstract: Provided are a decorative sheet having stretchability and heat resistance and an in-mold forming method capable of forming in-mold injection formed products having an excellent decorative image. A decorative sheet includes an image layer and an image running prevention region in order on a resin sheet, in which the image layer is a cured image of an ink composition containing (a) a polymerizable compound, (b) a polymerization initiator, and (c) a coloring agent; the image running prevention region is a cured layer of a composition for running prevention containing (a) a polymerizable compound, and (b) a polymerization initiator; and the image running prevention region has superior heat resistance to the image layer, and an injection forming method using the decorative sheet.
    Type: Application
    Filed: August 16, 2012
    Publication date: February 28, 2013
    Applicant: FUJIFILM CORPORATION
    Inventors: Yoshimitsu ARAI, Atsushi SAKAMOTO, Kenjirou ARAKI, Kyohei MOCHIZUKI
  • Publication number: 20130002773
    Abstract: An object of the present invention is to provide an ink composition which has excellent storage stability and has good curing sensitivity regardless of the type of a light source for irradiation, and an ink container. Another object of the present invention is to provide an ink jet recording method which provides a cured image having excellent image gloss even with an LED light source. The ink composition comprises: a radically polymerizable compound; a radical polymerization initiator; and a colorant, and having a dissolved oxygen content of 9 mg/L or more. The ink container, having a gas-impermeable structure and encapsulates the ink composition. The ink jet recording method comprises: a degassing step of reducing a dissolved oxygen between the ink container that stores the ink composition and ink-discharging nozzles; and a discharging step of discharging the degassed ink composition from the nozzles.
    Type: Application
    Filed: May 29, 2012
    Publication date: January 3, 2013
    Applicant: FUJIFILM Corporation
    Inventors: Yusuke FUJII, Kyohei MOCHIZUKI
  • Publication number: 20120162308
    Abstract: An ink composition is provided that includes (Component A) at least one compound selected from the group consisting of bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide and 2,4,6-trimethylbenzoyldiphenylphosphine oxide, (Component B) at least one compound selected from the group consisting of 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one, 2-(dimethylamino)-2-[(4-methylphenyl)methyl]-1-[4-(4-morpholinyl)phenyl]-1-butanone, and 2-benzyl-2-dimethylamino-1-(4-morpholinophenyl)-1-butanone, (Component C) a thioxanthone compound, (Component D) a polymerization inhibitor, and (Component E) a polymerizable compound, Component C having a content of 0.01 to 5 wt % relative to the total weight of the ink composition, Component D having a content of 0.01 to 5 wt % relative to the total weight of the ink composition, the sum of the content of Component A and the content of Component B being 6.0 to 9.
    Type: Application
    Filed: December 28, 2011
    Publication date: June 28, 2012
    Applicant: FUJIFILM CORPORATION
    Inventors: Kyohei MOCHIZUKI, Yuusuke FUJII
  • Publication number: 20110242191
    Abstract: An ink composition is provided that includes (Component a) an open-chain and/or cyclic ether bond-containing monofunctional (meth)acrylate, (Component b) one or more monofunctional ethylenically unsaturated compounds selected from the group consisting of a polycyclic aliphatic group-containing monofunctional (meth)acrylate and N-vinyl-2-caprolactam, (Component c) a polymerization initiator, (Component e) a polyfunctional (meth)acrylate at no greater than 10 wt % relative to the ink composition, and (Component f) a fluorine-substituted hydrocarbon group- or siloxane structure-containing polymer, the ratio by weight of (Component a)/(Component b) being 0.7 to 1.9.
    Type: Application
    Filed: March 22, 2011
    Publication date: October 6, 2011
    Applicant: FUJIFILM CORPORATION
    Inventor: Kyohei MOCHIZUKI
  • Publication number: 20100239759
    Abstract: An ink composition for ink-jet recording includes a pigment; resin particles having a glass transition temperature of 80° C. or higher; at least one water-soluble organic solvent; and water, and a total mass of solid content in the ink composition for ink-jet recording is 10% by mass or more relative to the ink composition for ink-jet recording, and the at least one water-soluble organic solvent includes at least one organic solvent having an SP value of 27.5 or lower, the amount of the at least one organic solvent having an SP value of 27.5 or lower being 70% by mass or more relative to a total amount of the at least one water-soluble organic solvent. An ink-jet recording method is also provided.
    Type: Application
    Filed: March 2, 2010
    Publication date: September 23, 2010
    Inventors: Kaoru TOJO, Yasufumi Ooishi, Kyohei Mochizuki, Kiyoshi Irita
  • Publication number: 20100026771
    Abstract: An inkjet recording method is provided that includes a step of discharging onto a recording medium an ink composition containing a vinyl ether compound, an oxirane compound and/or oxetane compound, a cationic photopolymerization initiator, and a colorant, and a step of curing the discharged ink composition by irradiation with UV rays by UV irradiation means having an aperture type hot cathode fluorescent tube having a getter in the interior thereof.
    Type: Application
    Filed: July 29, 2009
    Publication date: February 4, 2010
    Applicant: FUJIFILM Corporation
    Inventor: Kyohei MOCHIZUKI
  • Publication number: 20090027608
    Abstract: The invention provides: a photosensitive composition which has a high deformation restorability and may eliminate display unevenness in a liquid crystal display device, a photosensitive resin transfer film and a method for producing a photospacer using the composition or the film; and a liquid crystal display device substrate and a liquid crystal display device which may eliminate display unevenness and thus display high quality images. The photosensitive composition includes: a resin (A) including a group having a cyclic structure including two or more heteroatoms in a side chain, a group having an acidic group in a side chain, and a group having an ethylenically unsaturated group in a side chain; a polymerizable compound (B); and a photopolymerization initiator (C).
    Type: Application
    Filed: July 23, 2008
    Publication date: January 29, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Hideyuki NAKAMURA, Kyohei MOCHIZUKI, Yuuichi FUKUSHIGE, Daisuke ARIOKA