Patents by Inventor Hidenobu Ohya

Hidenobu Ohya 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: 11800648
    Abstract: A pattern forming method capable of easily removing a discontinuous portion in a pattern while keeping resistance of the pattern low. A pattern forming method including at least a printing step of printing a pattern intermediate containing a conductive material on a base material 1, and a plating step of subjecting the pattern intermediate to an electroplating treatment, in which the pattern intermediate printed in the printing step has a plating target portion that is energized in the plating step and a discontinuous portion that is discontinuously formed from the plating target portion and is not energized in the plating step, and in the plating step, by performing an electric field plating treatment using a plating solution containing at least two or more types of metal salts containing different types of metals and a complexing agent, the discontinuous portion of the pattern intermediate is removed to form a pattern constituted by the plating target portion covered with a plating film.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: October 24, 2023
    Assignee: KONICA MINOLTA, INC.
    Inventors: Masayuki Ushiku, Hidenobu Ohya, Hideki Hoshino, Masayoshi Yamauchi, Takenori Omata, Naoto Niizuma, Ryo Aoyama, Kazuho Urayama
  • Patent number: 11001687
    Abstract: Provided are a substrate with a functional fine line having excellent optical properties and excellent adhesion of the functional fine line, and a method for forming the functional fine line. The substrate with a functional fine line according to the present invention has an undercoat layer including a hydrophobically modified polyester resin on the substrate, and has a functional fine line including a deposit of functional microparticles and having a line width of 1 ?m or more and 10 ?m or less on the undercoat layer. The method for forming a functional fine line according to the present invention includes forming an undercoat layer including a hydrophobically modified polyester resin on a substrate, and then forming a functional fine line including a deposit of functional microparticles and having a line width of 1 ?m or more and 10 ?m or less on the undercoat layer.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: May 11, 2021
    Assignee: Konica Minolta, Inc.
    Inventors: Masayoshi Yamauchi, Hidenobu Ohya, Takenori Omata, Naoto Niizuma
  • Publication number: 20210084769
    Abstract: A pattern forming method capable of easily removing a discontinuous portion in a pattern while keeping resistance of the pattern low. A pattern forming method including at least a printing step of printing a pattern intermediate containing a conductive material on a base material 1, and a plating step of subjecting the pattern intermediate to an electroplating treatment, in which the pattern intermediate printed in the printing step has a plating target portion that is energized in the plating step and a discontinuous portion that is discontinuously formed from the plating target portion and is not energized in the plating step, and in the plating step, by performing an electric field plating treatment using a plating solution containing at least two or more types of metal salts containing different types of metals and a complexing agent, the discontinuous portion of the pattern intermediate is removed to form a pattern constituted by the plating target portion covered with a plating film.
    Type: Application
    Filed: February 22, 2018
    Publication date: March 18, 2021
    Inventors: Masayuki USHIKU, Hidenobu OHYA, Hideki HOSHINO, Masayoshi YAMAUCHI, Takenori OMATA, Naoto NIIZUMA, Ryo AOYAMA, Kazuho URAYAMA
  • Publication number: 20190194409
    Abstract: Provided are a substrate with a functional fine line having excellent optical properties and excellent adhesion of the functional fine line, and a method for forming the functional fine line. The substrate with a functional fine line according to the present invention has an undercoat layer including a hydrophobically modified polyester resin on the substrate, and has a functional fine line including a deposit of functional microparticles and having a line width of 1 ?m or more and 10 ?m or less on the undercoat layer. The method for forming a functional fine line according to the present invention includes forming an undercoat layer including a hydrophobically modified polyester resin on a substrate, and then forming a functional fine line including a deposit of functional microparticles and having a line width of 1 ?m or more and 10 ?m or less on the undercoat layer.
    Type: Application
    Filed: August 7, 2017
    Publication date: June 27, 2019
    Inventors: Masayoshi Yamauchi, Hidenobu OHYA, Takenori OMATA, Naoto NIIZUMA
  • Patent number: 9051485
    Abstract: Provided is an inkjet ink which can form high-quality images with high abrasion resistance and adhesiveness on a non-absorptive recording medium and which exhibits high ejection properties and excellent storage stability. Also provided is an inkjet recording method. An inkjet ink which comprises water, a pigment, a water-soluble resin, a water-soluble or Panic solvent and a surfactant, characterized in that: the water-soluble resin comprises a water-soluble resin consisting of a copolymer resin which has an acid value of 50 to 130 mgKOH/g, a glass transition temperature (Tg) of 30 to 100° C.
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: June 9, 2015
    Assignee: KONICA MINOLTA, INC.
    Inventors: Manabu Kaneko, Hidenobu Ohya, Naoko Nakajima
  • Patent number: 8865793
    Abstract: An ink-jet recording ink which is utilized for printing on a heated recording medium, wherein the ink contains at least (1) a pigment, (2) an ink-soluble resin of 2-10 weight % based on a solid content, (3) a water-soluble organic solvent, and (4) a silicone type or a fluorine type surfactant, and the ink-soluble resin and the water-soluble organic solvent satisfy the following conditions: 1) at least one type of the ink-soluble resin is provided with a carboxyl group as an acid group, and an acid value of not less than 80 and less than 300, and 2) the water-soluble organic solvent contains at least 5-15 weight % of solvent A, and 2-15 weight % of solvent B; solvent A: a glycol ether or 1,2-alkanediols, and solvent B: a cyclic solvent, a cyclic ester solvent or a dimethyl sulfoxide, containing a nitrogen or a sulfur atom.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: October 21, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Hidenobu Ohya, Masayuki Ushiku, Tomoe Kawanami
  • Patent number: 8777392
    Abstract: Provided is an inkjet ink including at least water, a pigment, a resin, a water-soluble organic solvent, and a surfactant, wherein the resin consist of a copolymer resin synthesized from only a (meth)acrylic monomers, and the copolymer resin has an acid value of not less than 50 mgKOH/g and not more than 200 mgKOH/g, a glass transition temperature (Tg) not less than 20 and not more than 100° C., and a weight-average molecular weight (Mw) not less than 20,000 and not more than 100,000, and as a result, a high-quality image is formed in that abrasion resistance and adhesiveness on a non-absorptive recording medium are high, glossiness is high, and there is no ink mixing, and ejection performance is good and recovery through maintenance is excellent. Also provided is an inkjet recording method that uses the same.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: July 15, 2014
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Hidenobu Ohya, Manabu Kaneko
  • Patent number: 8770733
    Abstract: Disclosed is an inkjet ink which provides a high-quality image in that whitening of the recorded image film is inhibited, durability of the image is good, and there is no banding, and the like; inkjet injection stability and ink shelf life are excellent; and head maintenance returnability is excellent. Also disclosed are a method for producing an inkjet printed product using the same, and a method for producing a water-based inkjet ink. This inkjet ink comprises at least a) a pigment, b) a polymer dispersant comprising polyethylene oxide groups having an acid value of less than 50 mgKOH/g (c) acrylic copolymer resin, and (d) at least one water-soluble organic solvent selected from glycol ethers and 1,2-alkanediols having 4 or more carbons.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: July 8, 2014
    Assignee: Konica Minolta IJ Technologies, Inc.
    Inventors: Hidenobu Ohya, Manabu Kaneko, Masami Kato
  • Publication number: 20130038659
    Abstract: Provided is an inkjet ink which can form high-quality images with high abrasion resistance and adhesiveness on a non-absorptive recording medium and which exhibits high ejection properties and excellent storage stability. Also provided is an inkjet recording method. An inkjet ink which comprises water, a pigment, a water-soluble resin, a water-soluble organic solvent and a surfactant, characterized in that: the water-soluble resin comprises a water-soluble resin consisting of a copolymer resin which has an acid value of 50 to 130 mgKOH/g, a glass transition temperature (Tg) of 30 to 100° C.
    Type: Application
    Filed: April 8, 2011
    Publication date: February 14, 2013
    Applicant: KONICA MINOLTA IJ TECHNOLOGIES, INC.
    Inventors: Manabu Kaneko, Hidenobu Ohya, Naoko Nakajima
  • Publication number: 20120268519
    Abstract: This invention provides a water-based ink jet ink and a method to use the ink. The ink yields high-quality and highly-fast images, is stably ejected, is stably printed for a long period of time, and, at the same time, provides easy recovery in maintenance. The water-based ink jet ink has a pigment, 2-10% by mass of an ink soluble resin, 20-45% by mass of a solvent having a surface tension of 25-40 mN/m, and a silicone-type or fluorine-type surfactant. The ink soluble resin contains a carboxyl or sulfonic acid group as an acidic group and has an acid value of 80-300.
    Type: Application
    Filed: June 15, 2012
    Publication date: October 25, 2012
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Hidenobu OHYA, Masayuki USHIKU, Tomoe KAWANAMI
  • Publication number: 20120038725
    Abstract: Disclosed is an inkjet ink which provides a high-quality image in that whitening of the recorded image film is inhibited, durability of the image is good, and there is no banding, and the like; inkjet injection stability and ink shelf life are excellent; and head maintenance returnability is excellent Also disclosed are a method for producing an inkjet printed product using the same, and a method for producing a water-based inkjet ink. This inkjet ink comprises at least a) a pigment, b) a polymer dispersant comprising polyethylene oxide groups having an acid value of less than 50 mgKOH/g (c) acrylic copolymer resin, and (d) at least one water-soluble organic solvent selected from glycol ethers and 1,2-alkanediols having 4 or more carbons.
    Type: Application
    Filed: April 20, 2010
    Publication date: February 16, 2012
    Applicant: KONICA MINOLTA IJ TECHNOLOGIES, INC.
    Inventors: Hidenobu Ohya, Manabu Kaneko, Masami Kato
  • Publication number: 20120033011
    Abstract: Provided is an inkjet ink comprising at least water, a pigment, a resin, a water-soluble organic solvent, and a surfactant, wherein the resin comprises a copolymer resin synthesized from a monomer that includes a (meth)acrylic monomer, and the copolymer resin has an acid value of not less than 50 mgKOH/g and not more than 200 mgKOH/g, a glass transition temperature (Tg) not less than 20 and not more than 100° C., and a weight-average molecular weight (Mw) not less than 20,000 and not more than 100,000, and as a result, a high-quality image is formed in that abrasion resistance and adhesiveness on a non-absorptive recording medium are high, glossiness is high, and there is no ink mixing, and ejection performance is good and recovery through maintenance is excellent. Also provided is an inkjet recording method that uses the same.
    Type: Application
    Filed: April 22, 2010
    Publication date: February 9, 2012
    Applicant: KONICA MINOLTA IJ TECHNOLOGIES, INC.
    Inventors: Hidenobu Ohya, Manabu Kaneko
  • Publication number: 20110316927
    Abstract: Provided is an ink-jet textile printing/recording process, by which it is possible to form high-quality prints which do not suffer from bleeding, lowering in the density of developed color, contamination of non-printed white areas, or other faults. Thus, the ink-jet textile printing/recording process enables the expression of colorful designs. The ink-jet textile printing/recording process comprises applying a functional ink by an ink-jet system to at least portions of a textile where printed areas with the maximum density are to be formed, and then applying a recording ink to the resulting textile by an ink-jet system, wherein the functional ink contains both a water-soluble polymer and a water-soluble organic solvent, and the recording ink contains a disperse dye, a binder resin, and a water-soluble organic solvent.
    Type: Application
    Filed: January 22, 2010
    Publication date: December 29, 2011
    Applicant: Konica Minolta IJ Technologies, Inc
    Inventors: Hiroshi Yamashita, Hidenobu Ohya
  • Publication number: 20100093900
    Abstract: An ink-jet recording ink which is utilized for printing on a heated recording medium, wherein the ink contains at least (1) a pigment, (2) an ink-soluble resin of 2-10 weight % based on a solid content, (3) a water-soluble organic solvent, and (4) a silicone type or a fluorine type surfactant, and the ink-soluble resin and the water-soluble organic solvent satisfy the following conditions: 1) at least one type of the ink-soluble resin is provided with a carboxyl group as an acid group, and an acid value of not less than 80 and less than 300, and 2) the water-soluble organic solvent contains at least 5-15 weight % of solvent A, and 2-15 weight % of solvent B; solvent A: a glycol ether or 1,2-alkanediols, and solvent B: a cyclic solvent, a cyclic ester solvent or a dimethyl sulfoxide, containing a nitrogen or a sulfur atom.
    Type: Application
    Filed: February 20, 2008
    Publication date: April 15, 2010
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Hidenobu Ohya, Masayuki Ushiku, Tomoe Kawanami
  • Publication number: 20100034973
    Abstract: This invention provides a water-based ink jet ink, which can yield high-quality and highly fast images, can be stably ejected, can be stably printed for a long period of time, and, at the same time, can realize easy recovery in maintenance, and a recording method using the water-based ink jet ink. The water-based ink jet ink is characterized by comprising at least a pigment, not less than 2% by mass and not more than 10% by mass of an ink soluble resin, not less than 20% by mass and less than 45% by mass of a solvent having a surface tension of not less than 25 mN/m and not more than 40 mN/m, and a silicone-type or fluorine-type surfactant, at least one type of the ink soluble resin containing a carboxyl or sulfonic acid group as an acidic group and having an acid value of not less than 80 and less than 300.
    Type: Application
    Filed: February 18, 2008
    Publication date: February 11, 2010
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Hidenobu Ohya, Masayuki Ushiku, Tomoe Kawanami
  • Patent number: 7654661
    Abstract: An image forming method in which after recording by ejecting ink on an ink-jet recording medium containing a thermoplastic resin in the surface layer, a fixing process to fuse said thermoplastic resin or make it into a film is provided, wherein a colorless or white liquid is supplied on said ink-jet recording medium before the fixing process.
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: February 2, 2010
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Shuji Kida, Shinichi Suzuki, Hidenobu Ohya, Makoto Kaga, Teruyuki Fukuda
  • Patent number: 7475977
    Abstract: An ink-jet recording method employing a magenta ink containing an anthrapyridone dye as a principal dye, wherein the reflective spectrum of the magenta image having a density of from 0.9 to 1.1 recorded by the magenta ink satisfies the condition defined by the following Expression 1, in which ODmax is a reflective density at the maximum absorption wavelength and OD430 is a reflective density at 430 nm, 0.20?OD430/ODmax?0.35.
    Type: Grant
    Filed: April 25, 2005
    Date of Patent: January 13, 2009
    Assignee: Konica Minolta Holdings, Inc.
    Inventor: Hidenobu Ohya
  • Publication number: 20080002009
    Abstract: An image forming method in which after recording by ejecting ink on an ink-jet recording medium containing a thermoplastic resin in the surface layer, a fixing process to fuse said thermoplastic resin or make it into a film is provided, wherein a colorless or white liquid is supplied on said ink-jet recording medium before the fixing process.
    Type: Application
    Filed: August 24, 2007
    Publication date: January 3, 2008
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Shuji Kida, Shinichi Suzuki, Hidenobu Ohya, Makoto Kaga, Teruyuki Fukuda
  • Patent number: 7273276
    Abstract: An image forming method in which after recording by ejecting ink on an ink-jet recording medium containing a thermoplastic resin in the surface layer, a fixing process to fuse said thermoplastic resin or make it into a film is provided, wherein a colorless or white liquid is supplied on said ink-jet recording medium before the fixing process.
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: September 25, 2007
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Shuji Kida, Shinichi Suzuki, Hidenobu Ohya, Makoto Kaga, Teruyuki Fukuda
  • Patent number: 7261405
    Abstract: An ink-jet recording method of recording an ink-jet recording ink containing at least a water-soluble dye and a resinous micro-particle dispersion on an ink-jet recording medium, comprising steps of providing a colorless ink on at least a part of the ink-jet recording medium by a liquid providing section separately installed from a recording section for the ink-jet recording ink, wherein the colorless ink contains at least a resin and is substantially colorless.
    Type: Grant
    Filed: September 14, 2004
    Date of Patent: August 28, 2007
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Hidenobu Ohya, Makoto Kaga, Kei Kudo, Shinsaku Kashiwamura, Teruyuki Fukuda, Yuki Ogasawara