Patents by Inventor Soh Noguchi

Soh Noguchi 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: 10822507
    Abstract: A curable composition is provided comprising an acrylamide compound represented by the following general formula (1): wherein, X represents a branched alkylene group having 2 to 5 carbon atoms, and Y represents the following general formula (2): wherein, R represents an alkyl group having 1 to 4 carbon atoms, and * represents a binding site with X.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: November 3, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Takenori Suenaga, Masahide Kobayashi, Mitsunobu Morita, Soh Noguchi, Takashi Okada
  • Publication number: 20200308425
    Abstract: To provide an active-energy-ray-curable composition including a compound represented by General Formula (I) below: where in the General Formula (I), R is hydrogen or a methyl group; A is a structure expressed by one selected from the group consisting of Structural Formulas (II) to (VII) below, each of which may have a substituent such as an alkyl group or an alkoxy group, or both; j and k in the Structural Formulas (VI) and (VII) are an integer of 0 or more; X denotes a substituent including a heteroatom; n is an integer of 0 or more, m is an integer of 1 or more, and n+m is 3 or more, or n is an integer of 0 and m is an integer of 2; and wavy lines in the Structural Formulas (II) to (VII) each independently denote a bond with X or a (meth)acryloyl group (H2C?CR—C(?O)—):
    Type: Application
    Filed: April 1, 2020
    Publication date: October 1, 2020
    Inventors: Soh NOGUCHI, Mitsunobu MORITA, Takashi OKADA, Tatsuki YAMAGUCHI, Koji ARIMITSU
  • Publication number: 20200299425
    Abstract: An active energy ray curable composition contains an acrylamide compound A1 represented by the following Chemical formula 1 or the following Chemical formula 2; a multi-functional polymerizable compound B1 having an SI value of 3 or less in a skin sensitivity test; a polymerization initiator C1 having no maximum absorption peak in a wavelength range of from 365 to 405 nm; and a hydrogen donor D,
    Type: Application
    Filed: March 18, 2020
    Publication date: September 24, 2020
    Inventors: Masahide KOBAYASHI, Mitsunobu MORITA, Takashi OKADA, Takenori SUENAGA, Soh NOGUCHI, Tatsuki YAMAGUCHI
  • Patent number: 10781325
    Abstract: A curable composition includes an acrylamide compound represented by the following Chemical formula 1: where R1 represents an alkyl group having 1 to 6 carbon atoms, X represents an alkylene group having 1 to 6 carbon atoms, and Y represents the following Chemical formula 2 or the following Chemical formula 3, where R2 represents an alkyl group having 1 to 10 carbon atoms and * represents a bond site with X, where R2 represents an alkyl group having 1 to 10 carbon atoms and * represents a bond site with X.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: September 22, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Mitsunobu Morita, Soh Noguchi, Takashi Okada, Kazukiyo Nagai, Yuusuke Koizuka, Tomoyuki Shimada
  • Publication number: 20200038310
    Abstract: Provided is a composition including: an acrylamide compound represented by general formula (1) below; urethane (meth)acrylate having a SI value of 3 or less in a skin sensitization test; and a polymerization initiator having a molecular weight of 800 or greater, where in general formula (1), R1 represents an alkyl group containing 1 through 6 carbon atoms, X represents an alkylene group containing 1 through 6 carbon atoms, and Y represents any one selected from the group consisting of general formula (2) below and general formula (3) below, where in general formula (2), R2 represents an alkyl group containing 1 through 10 carbon atoms, and * represents a binding site with X above, where in general formula (3), R2 represents an alkyl group containing 1 through 10 carbon atoms, and * represents a binding site with X above.
    Type: Application
    Filed: June 14, 2019
    Publication date: February 6, 2020
    Inventors: Takenori SUENAGA, Masahide Kobayashi, Mitsunobu Morita, Takashi Okada, Soh Noguchi, Tatsuki Yamaguchi
  • Publication number: 20200038309
    Abstract: Provided is a composition including: an acrylamide compound represented by general formula (1) in 20% by mass or greater but 50% by mass or less; a multifunctional monomer in 40% by mass or greater but 70% by mass or less; and a polymerization initiator, where in general formula (1), R1 represents alkyl group containing 1 through 6 carbon atoms, X represents alkylene group containing 1 through 6 carbon atoms, and Y represents any one selected from the group consisting of general formula (2) below and general formula (3) below, where in general formula (2), R2 represents alkyl group containing 1 through 10 carbon atoms, and * represents binding site with X above, where in general formula (3), R2 represents alkyl group containing 1 through 10 carbon atoms, and * represents binding site with X above.
    Type: Application
    Filed: June 14, 2019
    Publication date: February 6, 2020
    Inventors: Takenori Suenaga, Masahide Kobayashi, Mitsunobu Morita, Takashi Okada, Soh Noguchi, Tatsuki Yamaguchi
  • Publication number: 20200031969
    Abstract: Provided is a composition including an acrylamide compound having a molecular weight of 150 or greater but 250 or less (A1), and a monomer having a cyclic structure represented by General Formula (3) below, or General Formula (4) below, or both (A2), where, in General Formulae (3) and (4), L is a single bond or a straight chain or branched alkylene group that has from 1 through 10 carbon atoms and may include an oxygen atom, a nitrogen atom, or a sulfur atom; A is a cyclic structure that has from 2 through 10 carbon atoms and may include an oxygen atom, a nitrogen atom, or a sulfur atom; R6 is a hydrogen atom or a methyl group; and R7 and R8 are each a straight chain or branched alkyl group having from 1 through 10 carbon atoms.
    Type: Application
    Filed: July 26, 2019
    Publication date: January 30, 2020
    Inventors: Masahide KOBAYASHI, Mitsunobu MORITA, Takenori SUENAGA, Soh NOGUCHI, Takashi OKADA, Tatsuki YAMAGUCHI
  • Publication number: 20200032089
    Abstract: Provided is a composition including an acrylamide compound (A1) having a molecular weight of 150 or greater but 250 or less, and a trifunctional or higher polymerizable compound (A2), wherein an amount of the trifunctional or higher polymerizable compound (A2) is 1% by mass or greater but 30% by mass or less relative to a total amount of the composition.
    Type: Application
    Filed: May 30, 2019
    Publication date: January 30, 2020
    Inventors: Masahide KOBAYASHI, Mitsunobu Morita, Takenori Suenaga, Soh Noguchi, Takashi Okada, Tatsuki Yamaguchi
  • Publication number: 20200032068
    Abstract: Provided is a composition including an acrylamide compound having a molecular weight of 150 or greater but 250 or less (A1), a polyfunctional polymerizable compound including an alkylene oxide group (A2), and a polyfunctional polymerizable compound (A3) different from the polyfunctional polymerizable compound (A2).
    Type: Application
    Filed: June 14, 2019
    Publication date: January 30, 2020
    Inventors: Tatsuki YAMAGUCHI, Masahide KOBAYASHI, Mitsunobu MORITA, Takashi OKADA, Soh NOGUCHI, Takenori SUENAGA
  • Publication number: 20200010662
    Abstract: A composition contains an acrylamide compound A1 having an ester structure and a polymerization initiator B1 having a molecular weight of 800 or more.
    Type: Application
    Filed: July 1, 2019
    Publication date: January 9, 2020
    Inventors: Takao HIRAOKA, Mitsunobu MORITA, Takashi OKADA, Soh NOGUCHI, Tatsuki YAMAGUCHI, Masahide KOBAYASHI, Takenori SUENAGA
  • Publication number: 20190284408
    Abstract: A curable composition is provided comprising an acrylamide compound represented by the following general formula (1): wherein, X represents a branched alkylene group having 2 to 5 carbon atoms, and Y represents the following general formula (2): wherein, R represents an alkyl group having 1 to 4 carbon atoms, and * represents a binding site with X.
    Type: Application
    Filed: March 5, 2019
    Publication date: September 19, 2019
    Inventors: Takenori SUENAGA, Masahide KOBAYASHI, Mitsunobu MORITA, Soh NOGUCHI, Takashi OKADA
  • Patent number: 10280319
    Abstract: Ink contains at least one of a compound represented by the following chemical formula 1, a compound represented by chemical formula 2, a compound represented by chemical formula 3, or a compound represented by chemical formula 4.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: May 7, 2019
    Assignee: RICOH COMPANY, LTD.
    Inventors: Mitsunobu Morita, Soh Noguchi, Okitoshi Kimura
  • Patent number: 10174215
    Abstract: Provided is an ink containing a compound represented by general formula (1) below where R1 represents a hydrogen atom or a methyl group, n represents an integer of 2 or greater, a plurality of R1 may be the same as or different from each other, X represents a hydrocarbon group having 2 to 10 carbon atoms, Y represents a tertiary hydroxyl group, or a group having an ester structure, and m represents an integer of 1 or greater.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: January 8, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Mitsunobu Morita, Soh Noguchi, Daisuke Miki
  • Patent number: 10005922
    Abstract: An active ray-curable composition characterized by containing a photobase generator, a double bond-containing compound, and a ?-dicarbonyl compound.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: June 26, 2018
    Assignees: RICOH COMPANY, LTD., Tokyo University of Science Foundation
    Inventors: Soh Noguchi, Okitoshi Kimura, Koji Arimitsu
  • Publication number: 20180127607
    Abstract: A curable composition includes an acrylamide compound represented by the following Chemical formula 1: where R1 represents an alkyl group having 1 to 6 carbon atoms, X represents an alkylene group having 1 to 6 carbon atoms, and Y represents the following Chemical formula 2 or the following Chemical formula 3, where R2 represents an alkyl group having 1 to 10 carbon atoms and * represents a bond site with X, where R2 represents an alkyl group having 1 to 10 carbon atoms and * represents a bond site with X.
    Type: Application
    Filed: November 9, 2017
    Publication date: May 10, 2018
    Inventors: Mitsunobu MORITA, Soh NOGUCHI, Takashi OKADA, Kazukiyo NAGAI, Yuusuke KOIZUKA, Tomoyuki SHIMADA
  • Patent number: 9796862
    Abstract: To provide an active-energy-ray-curable composition including: a (meth)acrylic acid ester compound represented by General Formula (1) below, where in the General Formula (1), R1 represents a hydrogen atom or a methyl group, R2 represents a hydrogen atom, an alkyl group having from 1 through 5 carbon atoms, or an alkyloxy group having from 1 through 5 carbon atoms, n is an integer of from 0 through 5, and X represents an electron-withdrawing functional group.
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: October 24, 2017
    Assignee: Ricoh Company, Ltd.
    Inventors: Mitsunobu Morita, Soh Noguchi
  • Publication number: 20170183519
    Abstract: Provided is an ink containing a compound represented by general formula (1) below where R1 represents a hydrogen atom or a methyl group, n represents an integer of 2 or greater, a plurality of R1 may be the same as or different from each other, X represents a hydrocarbon group having 2 to 10 carbon atoms, Y represents a tertiary hydroxyl group, or a group having an ester structure, and m represents an integer of 1 or greater.
    Type: Application
    Filed: May 19, 2015
    Publication date: June 29, 2017
    Inventors: Mitsunobu MORITA, Soh NOGUCHI, Daisuke MIKI
  • Publication number: 20170137644
    Abstract: Ink contains at least one of a compound represented by the following chemical formula 1, a compound represented by chemical formula 2, a compound represented by chemical formula 3, or a compound represented by chemical formula 4.
    Type: Application
    Filed: January 31, 2017
    Publication date: May 18, 2017
    Inventors: Mitsunobu MORITA, Soh Noguchi, Okitoshi Kimura
  • Patent number: 9593248
    Abstract: Ink contains at least one of a compound represented by the following chemical formula 1, a compound represented by chemical formula 2, a compound represented by chemical formula 3, or a compound represented by chemical formula 4.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: March 14, 2017
    Assignee: Ricoh Company, Ltd.
    Inventors: Mitsunobu Morita, Soh Noguchi, Okitoshi Kimura
  • Publication number: 20160347960
    Abstract: To provide an active-energy-ray-curable composition including: a (meth)acrylic acid ester compound represented by General Formula (1) below, where in the General Formula (1), R1 represents a hydrogen atom or a methyl group, R2 represents a hydrogen atom, an alkyl group having from 1 through 5 carbon atoms, or an alkyloxy group having from 1 through 5 carbon atoms, n is an integer of from 0 through 5, and X represents an electron-withdrawing functional group.
    Type: Application
    Filed: May 16, 2016
    Publication date: December 1, 2016
    Inventors: Mitsunobu MORITA, Soh NOGUCHI