Patents by Inventor Mitsunobu Morita

Mitsunobu Morita 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: 9212132
    Abstract: (Meth)acrylic acid ester, which contains one or more partial structures each represented by the following formula 1 in a molecule thereof, wherein the partial structure is a urethane structure which does not have a hydrogen atom directly bonded to a nitrogen atom of the following formula 1: where the nitrogen atom is not bonded to a hydrogen atom.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: December 15, 2015
    Assignee: Ricoh Company Ltd.
    Inventor: Mitsunobu Morita
  • Publication number: 20140363634
    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: May 27, 2014
    Publication date: December 11, 2014
    Inventors: Mitsunobu MORITA, Soh NOGUCHI, Okitoshi KIMURA
  • Publication number: 20140120326
    Abstract: A polymerizable compound is provided. The polymerizable compound has two or more polymerizable functional groups in a molecule thereof, wherein one of the two or more polymerizable functional groups of the polymerizable compound is an acrylamide group having the below-mentioned formula (1). The polymerizable compound can be preferably used for inkjet ink.
    Type: Application
    Filed: September 17, 2013
    Publication date: May 1, 2014
    Applicant: RICOH COMPANY, LTD.
    Inventors: Mitsunobu Morita, Soh Noguchi, Okitoshi Kimura
  • Patent number: 8702896
    Abstract: A heat-sensitive adhesive material contains a substrate and a heat-sensitive adhesive layer that contains a thermoplastic resin and a solid plasticizer, and the heat-sensitive adhesive material is so configured as to be heated and applied to an adherend, wherein the heat-sensitive adhesive material exhibits such an adhesive strength to the adherend as to increase with time from immediately after applying the heat-sensitive adhesive material to the adherend.
    Type: Grant
    Filed: October 16, 2008
    Date of Patent: April 22, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Mitsunobu Morita, Tomoyuki Kugo, Hiroshi Goto, Norihiko Inaba
  • Publication number: 20130144057
    Abstract: (Meth)acrylic acid ester, which contains one or more partial structures each represented by the following formula 1 in a molecule thereof, wherein the partial structure is a urethane structure which does not have a hydrogen atom directly bonded to a nitrogen atom of the following formula 1: where the nitrogen atom is not bonded to a hydrogen atom.
    Type: Application
    Filed: November 28, 2012
    Publication date: June 6, 2013
    Inventor: Mitsunobu MORITA
  • Patent number: 8354359
    Abstract: Provided is a heat-sensitive adhesive agent that mainly comprises a thermoplastic resin and a heat-meltable substance capable of melting upon heating, and further comprises swellable mica.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: January 15, 2013
    Assignee: Ricoh Company, Ltd.
    Inventors: Mitsunobu Morita, Takehito Yamaguchi, Takayuki Sasaki, Hitoshi Shimbo, Yutaka Kuga
  • Patent number: 8324399
    Abstract: A heat resistance improver including a heat resistance improving component which has a benzotriazole skeleton having an electron attractive group and a reactive aliphatic hydroxyl group or a reactive aliphatic mercapto group, wherein the heat resistance improver is used in a reversible thermosensitive recording medium.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: December 4, 2012
    Assignee: Ricoh Company, Ltd.
    Inventors: Mitsunobu Morita, Jun Maruyama
  • Patent number: 7993732
    Abstract: A heat-sensitive pressure-sensitive adhesive which contains at least a thermoplastic resin and a thermofusible material, wherein the thermoplastic resin has a glass transition temperature of ?70° C. to ?30° C., and the thermofusible material comprises triphenylphosphine, and at least any one of tris(2,4-di-t-butylphenyl)phosphite and tetrakis[3-(3,5-di-t-butyl-4-hydroxyphenyl)propionate]methane, or a heat-sensitive pressure-sensitive adhesive which contains at least a thermoplastic resin, a thermofusible material and a non-thermofusible material, wherein the thermofusible material contains triphenylphosphine.
    Type: Grant
    Filed: July 26, 2007
    Date of Patent: August 9, 2011
    Assignee: Ricoh Company, Ltd.
    Inventors: Takayuki Sasaki, Mitsunobu Morita, Takehito Yamaguchi, Kunio Hayakawa, Hitoshi Shimbo, Yutaka Kuga
  • Patent number: 7989529
    Abstract: A thermosensitive adhesive composition including a thermosensitive plastic resin, a dispersing agent, a solid plasticizing agent and a eutectic agent represented by the following chemical structure (1): wherein X1 and X2 independently represent any one of a hydrogen atom, a halogen atom and an alkyl group, p and q independently represent an integer of from 1 to 5.
    Type: Grant
    Filed: November 10, 2006
    Date of Patent: August 2, 2011
    Assignee: Ricoh Company, Ltd.
    Inventors: Takehito Yamaguchi, Hiroaki Matsui, Mitsunobu Morita, Takayuki Sasaki, Kunio Hayakawa
  • Patent number: 7811661
    Abstract: In order to provide heat-sensitive adhesive materials that represent high pressure-sensitive adhesive strength with respect to rough adherends such as cardboards or polyolefin wraps and lower decrease of adhesive strength with time, are thermally activated with lower energy and exhibit excellent blocking resistance, heat-sensitive adhesive materials are disclosed that contain a support, an underlayer, and a heat-sensitive adhesive layer, in this order, wherein the underlayer comprises a thermoplastic resin and a hollow filler, and the glass transition temperature of the thermoplastic resin is ?70° C. or higher and below 0° C.
    Type: Grant
    Filed: September 13, 2005
    Date of Patent: October 12, 2010
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroshi Goto, Tomoyuki Kugo, Mitsunobu Morita, Norihiko Inaba, Tohru Kitano, Takehito Yamaguchi
  • Publication number: 20090239747
    Abstract: A heat resistance improver including a heat resistance improving component which has a benzotriazole skeleton having an electron attractive group and a reactive aliphatic hydroxyl group or a reactive aliphatic mercapto group, wherein the heat resistance improver is used in a reversible thermosensitive recording medium.
    Type: Application
    Filed: March 17, 2009
    Publication date: September 24, 2009
    Applicant: RICOH COMPANY, LTD.
    Inventors: Mitsunobu MORITA, Jun Maruyama
  • Publication number: 20090050268
    Abstract: A heat-sensitive adhesive material contains a substrate and a heat-sensitive adhesive layer that contains a thermoplastic resin and a solid plasticizer, and the heat-sensitive adhesive material is so configured as to be heated and applied to an adherend, wherein the heat-sensitive adhesive material exhibits such an adhesive strength to the adherend as to increase with time from immediately after applying the heat-sensitive adhesive material to the adherend.
    Type: Application
    Filed: October 16, 2008
    Publication date: February 26, 2009
    Inventors: Mitsunobu Morita, Tomoyuki Kugo, Hiroshi Goto, Norihiko Inaba
  • Publication number: 20090017299
    Abstract: An object of the present invention is to provide a thermosensitive adhesive material which is superior in blocking resistance when not active and which has adequate adhesion in a wide temperature range to a target with little smoothness such as corrugated fiberboard. Specifically, the present invention relates to a thermosensitive adhesive material including a support, and a thermosensitive adhesive layer provided on one surface of the support, the thermosensitive adhesive layer containing as essential components a thermoplastic resin and a hot-melt material that melts when heated, wherein the thermoplastic resin contains as a main component a (meth)acrylic copolymer in which acrylonitrile, a monomer component, occupies 5% by mass to 20% by mass of all monomer components, and wherein the glass transition temperature of the copolymer is in the range of ?70° C. to ?30° C.
    Type: Application
    Filed: July 9, 2008
    Publication date: January 15, 2009
    Applicant: RICOH COMPANY, LTD
    Inventors: Hitoshi SHIMBO, Takehito Yamaguchi, Yutaka Kuga, Mitsunobu Morita, Takayuki Sasaki
  • Patent number: 7452595
    Abstract: A heat-sensitive adhesive material contains a substrate and a heat-sensitive adhesive layer that contains a thermoplastic resin and a solid plasticizer, and the heat-sensitive adhesive material is so configured as to be heated and applied to an adherend, wherein the heat-sensitive adhesive material exhibits such an adhesive strength to the adherend as to increase with time from immediately after applying the heat-sensitive adhesive material to the adherend.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: November 18, 2008
    Inventors: Mitsunobu Morita, Tomoyuki Kugo, Hiroshi Goto, Norihiko Inaba
  • Publication number: 20080176012
    Abstract: Provided is a heat-sensitive adhesive agent that mainly comprises a thermoplastic resin and a heat-meltable substance capable of melting upon heating, and further comprises swellable mica.
    Type: Application
    Filed: September 7, 2007
    Publication date: July 24, 2008
    Inventors: Mitsunobu Morita, Takehito Yamaguchi, Takayuki Sasaki, Hitoshi Shimbo, Yutaka Kuga
  • Publication number: 20080026205
    Abstract: A heat-sensitive pressure-sensitive adhesive which contains at least a thermoplastic resin and a thermofusible material, wherein the thermoplastic resin has a glass transition temperature of ?70° C. to ?30° C., and the thermofusible material comprises triphenylphosphine, and at least any one of tris(2,4-di-t-butylphenyl)phosphite and tetrakis[3-(3,5-di-t-butyl-4-hydroxyphenyl)propionate]methane, or a heat-sensitive pressure-sensitive adhesive which contains at least a thermoplastic resin, a thermofusible material and a non-thermofusible material, wherein the thermofusible material contains triphenylphosphine.
    Type: Application
    Filed: July 26, 2007
    Publication date: January 31, 2008
    Inventors: Takayuki Sasaki, Mitsunobu Morita, Takehito Yamaguchi, Kunio Hayakawa, Hitoshi Shimbo, Yutaka Kuga
  • Publication number: 20070112113
    Abstract: A thermosensitive adhesive composition including a thermosensitive plastic resin, a dispersing agent, a solid plasticizing agent and a eutectic agent represented by the following chemical structure (1): wherein X1 and X2 independently represent any one of a hydrogen atom, a halogen atom and an alkyl group, p and q independently represent an integer of from 1 to 5.
    Type: Application
    Filed: November 10, 2006
    Publication date: May 17, 2007
    Inventors: Takehito Yamaguchi, Hiroaki Matsui, Mitsunobu Morita, Takayuki Sasaki, Kunio Hayakawa
  • Patent number: 7071142
    Abstract: A thermal recording material including a substrate; a thermal coloring layer which is located overlying the substrate and which includes a leuco dye and a developer for coloring the leuco dye upon application of heat; and a protective layer which is located overlying the thermal coloring layer and which includes a binder resin, a crosslinking agent and a filler, wherein the binder resin in the protective layer includes a polyvinyl alcohol having a silanol group, and the crosslinking agent includes a zirconium compound of lactic acid.
    Type: Grant
    Filed: September 11, 2003
    Date of Patent: July 4, 2006
    Assignee: Ricoh Company, Ltd.
    Inventors: Mitsuru Naruse, Mitsunobu Morita, Kunio Hayakawa
  • Patent number: 7071145
    Abstract: A thermosensitive recording material comprising a thermosensitive layer provided on a substrate, and the thermosensitive layer comprises as main ingredients a leuco dye and a developer to make colored state of said leuco dye when heated, wherein the developer is an oligomer composition obtained from the reaction of a polyvalent isocyanate compound represented by following Formula (I) with an aromatic amine represented by following Formula (II); where X represents a try- or more-valent group, a represents an integer numeral of 3 or more, b and c represent respectively integer numerals in the range of 0 to 5 and they satisfy a relation of b+c=1 to 5, Z represents hydrogen atom, alkyl group, allyl group or aryl group, and the aryl group may include condensed ling structure thereof, and d represents an integer numeral in the range of 0 to 4.
    Type: Grant
    Filed: October 7, 2004
    Date of Patent: July 4, 2006
    Assignee: Ricoh Company, Ltd.
    Inventors: Mitsunobu Morita, Kunio Hayakawa, Masafumi Torii, Mitsuru Naruse
  • Publication number: 20060068191
    Abstract: In order to provide heat-sensitive adhesive materials that represent high pressure-sensitive adhesive strength with respect to rough adherends such as cardboards or polyolefin wraps and lower decrease of adhesive strength with time, are thermally activated with lower energy and exhibit excellent blocking resistance, heat-sensitive adhesive materials are disclosed that contain a support, an underlayer, and a heat-sensitive adhesive layer, in this order, wherein the underlayer comprises a thermoplastic resin and a hollow filler, and the glass transition temperature of the thermoplastic resin is ?70° C. or higher and below 0° C.
    Type: Application
    Filed: September 13, 2005
    Publication date: March 30, 2006
    Inventors: Hiroshi Goto, Tomoyuki Kugo, Mitsunobu Morita, Norihiko Inaba, Tohru Kitano, Takehito Yamaguchi