Patents by Inventor Takuya Myose

Takuya Myose 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).

  • Publication number: 20210155813
    Abstract: An object is to obtain a photocurable inkjet printing ink composition that demonstrates excellent preservation stability and discharge stability, good adhesion, bending tolerance property, and tackiness, and high hardness. As a solution, a photocurable inkjet printing ink composition containing photopolymerizable compounds and photopolymerization initiator is provided, wherein the photocurable inkjet printing ink composition satisfies the requirements of A to E: A. 3,3,5-trimethyl cyclohexyl acrylate is contained by 5 to 50 percent by mass in all photopolymerizable compounds; B. multifunctional monomers and/or multifunctional oligomers of 10° C. or lower in glass transition temperature are contained by 1 to 15 percent by mass in all photopolymerizable compounds; C. monofunctional monomers are contained by a total of 40 percent by mass or more in all photopolymerizable compounds; D. amino group and/or amide group-containing monomers and/or oligomers are contained; and E.
    Type: Application
    Filed: April 1, 2019
    Publication date: May 27, 2021
    Inventors: Okinori NAKASHIMA, Takuya MYOSE, Kazuhiro FUKE, Yuki YOSHIDA
  • Publication number: 20210024762
    Abstract: An object is to obtain a photocurable inkjet printing ink composition that demonstrates excellent preservation stability and discharge property, while also presenting curability under ultraviolet light from a light-emitting diode (LED) light source, as well as good adhesion, flexibility and tackiness. As a solution, a photocurable inkjet printing ink composition containing photopolymerizable compounds and photopolymerization initiator is provided, wherein the photocurable inkjet printing ink composition satisfies A to D: A. 2-(allyloxy methyl) methyl acrylate is contained by 5 to 40 percent by mass in all photopolymerizable compounds; B. multifunctional monomers and/or multifunctional oligomers of 0° C. or lower in glass transition temperature are contained by 5 to 20 percent by mass in all photopolymerizable compounds; C. amino group and/or amide group-containing monomers and/or oligomers are contained; and D. the ink composition has a viscosity of 30 mPa·s or lower at 25° C.
    Type: Application
    Filed: March 19, 2019
    Publication date: January 28, 2021
    Inventors: Okinori NAKASHIMA, Takuya MYOSE, Kazuhiro FUKE, Ryoichi NITTA
  • Patent number: 10767068
    Abstract: A photocurable inkjet printing ink composition contains a photopolymerizable compound and a photopolymerization initiator, wherein in 100 percent by mass of the photocurable inkjet printing ink composition, included are: an acrylamide-based monomer by 5.0 to 50 percent by mass; a monofunctional monomer other than acrylamide-based monomer by 15 to 70 percent by mass; a polymerizable compound having two or more functionalities by 5.0 to 30.0 percent by mass; vinyl caprolactam by 0.1 to 15 percent by mass and/or an acrylated amine compound having two photopolymerizable functional groups and two amino groups in the molecule by 0 to 10 percent by mass; and the percentage of monofunctional monomers in the photopolymerizable compound is 60 to 99.5 percent by mass.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: September 8, 2020
    Assignee: SAKATA INX CORPORATION
    Inventors: Okinori Nakashima, Takuya Myose, Takuya Okamoto, Kazuhiro Fuke
  • Publication number: 20200148903
    Abstract: An object is to provide an ink composition for inkjet printing that permits inkjet printing, particularly on metal surfaces, wherein such ink composition possesses sufficiently high adhesion and heat resistance with respect to metal surfaces. As a means for achieving the object, a photocurable inkjet printing ink composition is provided, which contains, relative to the entire ink composition, 0.1 percent by mass or more of an acid-modified acrylic monomer and 10 to 30 percent by mass of a monofunctional monomer with a Tg of 100° C. or above, wherein the monofunctional monomer accounts for 80 percent by mass or more of all monomers.
    Type: Application
    Filed: July 3, 2018
    Publication date: May 14, 2020
    Inventors: Yoichi SATO, Okinori NAKASHIMA, Takuya MYOSE
  • Patent number: 10584253
    Abstract: A light-curable inkjet printing ink composition contains a light-polymerizable component and a light-polymerization initiator, where the light-curable inkjet printing ink composition contains 70 to 100 percent by mass of monofunctional monomers relative to the total mass of the light-polymerizable component; wherein the monofunctional monomers comprise: (A) a monofunctional monomer whose homopolymer has a glass transition temperature of 20° C. or above; and (B) a monofunctional monomer whose homopolymer has a glass transition temperature of below 20° C.; and (A) is contained by 30 to 90 percent by mass, while (B) is contained by 10 to 70 percent by mass, relative to the total mass of the light-polymerizable component.
    Type: Grant
    Filed: December 26, 2016
    Date of Patent: March 10, 2020
    Assignee: SAKATA INX CORPORATION
    Inventors: Yoichi Sato, Okinori Nakashima, Takuya Myose, Kazuhiro Fuke
  • Publication number: 20200002556
    Abstract: A photocurable inkjet printing ink composition contains (A) to (C) below: (A) a chlorinated polyolefin; (B) monofunctional monomer 1 with a glass transition temperature (Tg) of 0° C. or below; and (C) monofunctional monomer 2 with a glass transition temperature (Tg) of 60° C. or above; wherein the content of (A) in the ink composition is 0.2 percent by mass or higher; the total content of (B) and (C) in the ink composition is 40 percent by mass or higher; and the mass-based ratio of the content of (C) and that of (B), or (C)/(B), is 0.80 to 3.00. The composition makes inkjet printing possible on the surfaces of molded products of polyolefins.
    Type: Application
    Filed: March 9, 2018
    Publication date: January 2, 2020
    Inventors: Yoichi SATO, Okinori NAKASHIMA, Takuya MYOSE, Jun KAWABATA
  • Publication number: 20190169454
    Abstract: Clear inks are prone to heat-induced micro-gelling that can cause their storage stability to drop, and micro-gelling may also occur in clear inks with the passage of time, in which case their inkjet discharge property may drop. As a solution, a photocurable clear ink composition for inkjet printing is provided, which contains a photopolymerizable compound, a photopolymerization initiator, and an inorganic filler of 1 to 200 nm in average grain size accounting for 0.05 to 5.0 percent by mass in the composition, and whose visible light transmission factor is 30% or higher.
    Type: Application
    Filed: June 30, 2017
    Publication date: June 6, 2019
    Inventors: Okinori NAKASHIMA, Takuya MYOSE, Takuya OKAMOTO, Kazuhiro FUKE, Ryoichi NITTA
  • Publication number: 20190062580
    Abstract: A photocurable inkjet printing ink composition contains a photopolymerizable compound and a photopolymerization initiator, wherein in 100 percent by mass of the photocurable inkjet printing ink composition, included are: an acrylamide-based monomer by 5.0 to 50 percent by mass; a monofunctional monomer other than acrylamide-based monomer by 15 to 70 percent by mass; a polymerizable compound having two or more functionalities by 5.0 to 30.0 percent by mass; vinyl caprolactam by 0.1 to 15 percent by mass and/or an acrylated amine compound having two photopolymerizable functional groups and two amino groups in the molecule by 0 to 10 percent by mass; and the percentage of monofunctional monomers in the photopolymerizable compound is 60 to 99.5 percent by mass.
    Type: Application
    Filed: January 31, 2017
    Publication date: February 28, 2019
    Inventors: Okinori NAKASHIMA, Takuya MYOSE, Takuya OKAMOTO, Kazuhiro FUKE
  • Publication number: 20190031895
    Abstract: A light-curable inkjet printing ink composition contains a light-polymerizable component and a light-polymerization initiator, where the light-curable inkjet printing ink composition contains 70 to 100 percent by mass of monofunctional monomers relative to the total mass of the light-polymerizable component; wherein the monofunctional monomers comprise: (A) a monofunctional monomer whose homopolymer has a glass transition temperature of 20° C. or above; and (B) a monofunctional monomer whose homopolymer has a glass transition temperature of below 20° C.; and (A) is contained by 30 to 90 percent by mass, while (B) is contained by 10 to 70 percent by mass, relative to the total mass of the light-polymerizable component.
    Type: Application
    Filed: December 26, 2016
    Publication date: January 31, 2019
    Inventors: Yoichi SATO, Okinori NAKASHIMA, Takuya MYOSE, Kazuhiro FUKE
  • Patent number: 9598591
    Abstract: Provided is an ink set having excellent curing properties under LED light, providing printed matter that does not fade or discolor due to a photopolymerization initiator, suppressing color bleeding during image forming, exhibiting favorable adhesion towards a polyvinyl chloride sheet, enabling cock ring to be efficiently suppressed, and demonstrating an extremely low viscosity, high flash point and low skin irritation. The present invention pertains to an ink set containing at least two compositions selected from the group consisting of a yellow ink composition, a magenta ink composition, a cyan ink composition, a black ink composition, a white ink composition, and a clear ink composition, the compositions having the predetermined structure as specified in claim 1, wherein the flash point of the ink compositions is 70° C. or higher, and the viscosity (25° C.) is 5 mPa-s or lower.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: March 21, 2017
    Assignee: SAKATA INX CORP.
    Inventors: Shinya Mizutani, Tadashi Hirose, Takuya Myose
  • Patent number: 9587126
    Abstract: Provided is a photocurable ink composition for inkjet printing which is favorably cured with light from a light-emitting diode (LED), favorably adheres to a polyvinyl chloride sheet such as a tarpaulin and a vinyl chloride resin sheet, suppresses the occurrence of cockling, and has both safety and favorable ejection stability at room temperature when ejected from an inkjet head for low-viscosity ink, and a printed material. The present invention is a photocurable ink composition for inkjet printing containing photopolymerizable compounds and a photopolymerization initiator. The photopolymerizable compounds are vinyloxyethoxyethyl acrylate and benzyl acrylate, and contained in specific amounts. The photopolymerization initiator is a compound that expresses an initiator function when irradiated with light having a wavelength within the range of 450 to 300 nm. The photocurable ink composition has a flash point of 70° C. or higher and a viscosity at 25° C.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: March 7, 2017
    Assignee: SAKATA INX CORPORATION
    Inventors: Shinya Mizutani, Takuya Myose, Tadashi Hirose
  • Patent number: 9546291
    Abstract: Provided is a photocurable ink composition for inkjet printing which is favorably cured with light from a light-emitting diode (LED), favorably adheres to a polyvinyl chloride sheet such as a tarpaulin and a vinyl chloride resin sheet, suppresses the occurrence of cockling, and has both safety and favorable ejection stability at room temperature when ejected from an inkjet head for low-viscosity ink, and a printed material. The present invention is a photocurable ink composition for inkjet printing containing photopolymerizable compounds and a photopolymerization initiator. The photopolymerizable compounds are vinyloxyethoxyethyl acrylate and benzyl acrylate, and contained in specific amounts. The photopolymerization initiator is a compound that expresses an initiator function when irradiated with light having a wavelength within the range of 450 to 300 nm. The photocurable ink composition has a flash point of 70° C. or higher and a viscosity at 25° C.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: January 17, 2017
    Assignee: SAKATA INX CORPORATION
    Inventors: Shinya Mizutani, Takuya Myose, Tadashi Hirose
  • Publication number: 20150291819
    Abstract: The present invention aims to provide an ink set which has excellent curability under LED light, provides a printed material without coloration or fading due to a photoinitiator, prevents color mixing in image formation, has good adhesion to polyvinyl chloride-based sheets, sufficiently prevent cockling, and has very low viscosity as well as a high flash point and low skin irritation. An ink set including: at least two selected from the group consisting of a yellow ink composition, a magenta ink composition, a cyan ink composition, a black ink composition, a white ink composition, and a clear ink composition. Each ink composition has a flash point of 70° C. or higher and a viscosity at 25° C. of 5 mPa·s or less. The magenta, cyan, and clear ink compositions each contain 4 to 40% by mass of vinyloxyethoxyethyl acrylate, 10 to 65% by mass of benzyl acrylate, 5 to 35% by mass of N-vinylcaprolactam, and an acylphosphine oxide photoinitiator, and are each free of a thioxanthone photoinitiator.
    Type: Application
    Filed: October 24, 2013
    Publication date: October 15, 2015
    Inventors: Shinya Mizutani, Tadashi Hirose, Takuya Myose
  • Publication number: 20150284579
    Abstract: The present invention provides a photocurable ink composition for inkjet printing having favorable ejection stability from a low viscosity compatible inkjet head at ambient temperature. The present invention relates to a photocurable ink composition for inkjet printing containing at least a photopolymerizable compound, a photopolymerization initiator, a surfactant, and a pigment, the photocurable ink composition for inkjet printing having a viscosity at 25° C. of 12 mPa·s or less, the photocurable ink composition for inkjet printing containing, as the surfactant, 0.01 to 0.30% by mass of polyester-modified methylalkylpolysiloxane.
    Type: Application
    Filed: November 20, 2013
    Publication date: October 8, 2015
    Inventors: Shinya Mizutani, Tadashi Hirose, Takuya Myose
  • Patent number: 9102839
    Abstract: A photocurable inkjet printing ink composition includes at least a photopolymerizable compound component and a photopolymerization initiator, wherein in the photopolymerizable compound component, a monofunctional monomer is included in a content of 91.0 to 99.5% by mass and a multifunctional monomer is included in a content of 0.5 to 9.0% by mass; in the monofunctional monomer component, acryloylmorpholine is included in a content of 30.0 to 85.0% by mass; the monofunctional monomer component includes at least one selected from benzyl acrylate, ethyl carbitol acrylate, tetrahydrofurfuryl acrylate and phenoxyethyl acrylate in a content of 5.0 to 40.0% by mass in the monofunctional monomer component; and the stretching rate at 180° C. of the cured coating obtained by photopolymerizing the photocurable inkjet printing ink composition is 120% or more.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: August 11, 2015
    Assignee: SAKATA INX CORPORATION
    Inventors: Shinya Mizutani, Tadashi Hirose, Takuya Myose
  • Publication number: 20150210874
    Abstract: A photocurable inkjet printing ink composition includes at least a photopolymerizable compound component and a photopolymerization initiator, wherein in the photopolymerizable compound component, a monofunctional monomer is included in a content of 91.0 to 99.5% by mass and a multifunctional monomer is included in a content of 0.5 to 9.0% by mass; in the monofunctional monomer component, acryloylmorpholine is included in a content of 30.0 to 85.0% by mass; the monofunctional monomer component includes at least one selected from benzyl acrylate, ethyl carbitol acrylate, tetrahydrofurfuryl acrylate and phenoxyethyl acrylate in a content of 5.0 to 40.0% by mass in the monofunctional monomer component; and the stretching rate at 180° C. of the cured coating obtained by photopolymerizing the photocurable inkjet printing ink composition is 120% or more.
    Type: Application
    Filed: August 17, 2012
    Publication date: July 30, 2015
    Applicant: SAKATA INX CORPORATION
    Inventors: Shinya Mizutani, Tadashi Hirose, Takuya Myose
  • Publication number: 20150203695
    Abstract: Provided is a photocurable ink composition for inkjet printing which is favorably cured with light from a light-emitting diode (LED), favorably adheres to a polyvinyl chloride sheet such as a tarpaulin and a vinyl chloride resin sheet, suppresses the occurrence of cockling, and has both safety and favorable ejection stability at room temperature when ejected from an inkjet head for low-viscosity ink, and a printed material. The present invention is a photocurable ink composition for inkjet printing containing photopolymerizable compounds and a photopolymerization initiator. The photopolymerizable compounds are vinyloxyethoxyethyl acrylate and benzyl acrylate, and contained in specific amounts. The photopolymerization initiator is a compound that expresses an initiator function when irradiated with light having a wavelength within the range of 450 to 300 nm. The photocurable ink composition has a flash point of 70° C. or higher and a viscosity at 25° C.
    Type: Application
    Filed: July 17, 2013
    Publication date: July 23, 2015
    Inventors: Shinya Mizutani, Takuya Myose, Tadashi Hirose