Patents by Inventor Makoto Nomiya
Makoto Nomiya 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).
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Publication number: 20200073268Abstract: Provided is an image forming method for forming an image including a recording medium and a layer containing a photosoftening compound disposed thereon, the image forming method containing the steps of: supplying a powder for adhering the powder to the image; and irradiating the image with light to melt or to soften the image.Type: ApplicationFiled: June 21, 2019Publication date: March 5, 2020Inventors: Haruo Horiguchi, Michiyo Fujita, Makoto Nomiya, Seijiro Takahashi
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Patent number: 10527983Abstract: An image forming method includes: supplying a powder onto a recording medium; supplying a coated toner onto the powder on the recording medium; and fixing the powder to the recording medium by heating the coated toner supplied onto the powder and melting the coated toner.Type: GrantFiled: October 26, 2018Date of Patent: January 7, 2020Assignee: KONICA MINOLTA, INC.Inventors: Michiyo Fujita, Makoto Nomiya, Tomomi Oshiba
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Patent number: 10466620Abstract: According to an image forming apparatus and an image forming method of the present invention, an image is formed by arranging powders 200 on a surface of a resin image composed of sheet S and a color toner layer (resin layer 100) arranged thereon. The image forming apparatus includes: a powder spraying section 98 for supplying powders 200 on the surface of resin layer 100 which is adjusted to be in a softened state; and rubbing roller 74 for rubbing, from a side of resin layer 100, the resin image to which powders 200 have been supplied.Type: GrantFiled: May 31, 2018Date of Patent: November 5, 2019Assignee: KONICA MINOLTA, INC.Inventors: Michiyo Fujita, Makoto Nomiya, Tomomi Oshiba
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Publication number: 20190155197Abstract: An image forming method includes: supplying a powder onto a recording medium; supplying a coated toner onto the powder on the recording medium; and fixing the powder to the recording medium by heating the coated toner supplied onto the powder and melting the coated toner.Type: ApplicationFiled: October 26, 2018Publication date: May 23, 2019Inventors: Michiyo FUJITA, Makoto Nomiya, Tomomi Oshiba
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Patent number: 10261434Abstract: An image forming apparatus for forming an image by arranging powder on a surface of a layer of a resin image formed of a recording medium and a thermoplastic resin layer arranged thereon, includes: a powder supplying device that supplies the powder to the surface of the layer of the resin image; a hardware processor that sets a rubbing condition of the resin image in accordance with an image to be formed; and a rubbing device that rubs the resin image, which is adjusted to a temperature at which the layer of the resin image is softened or higher to which the powder is supplied from a side of the layer of the resin image according to the set rubbing condition.Type: GrantFiled: May 10, 2018Date of Patent: April 16, 2019Assignee: KONICA MINOLTA, INC.Inventors: Michiyo Fujita, Makoto Nomiya, Tomomi Oshiba
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Publication number: 20180373175Abstract: An image forming apparatus for forming an image by arranging powder on a surface of a resin image formed of a recording medium and a thermoplastic resin layer arranged thereon, includes: a powder supplying device that supplies the powder to the surface of the layer of the resin image; a hardware processor that sets a rubbing condition of the resin image in accordance with an image to be formed; and a rubbing device that rubs the resin image temperature of which is adjusted to temperature at which the layer is softened or higher to which the powder is supplied from the layer side according to the set rubbing condition.Type: ApplicationFiled: May 10, 2018Publication date: December 27, 2018Inventors: Michiyo FUJITA, Makoto Nomiya, Tomomi Oshiba
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Publication number: 20180348668Abstract: According to an image forming apparatus and an image forming method of the present invention, an image is formed by arranging powders 200 on a surface of a resin image composed of sheet S and a color toner layer (resin layer 100) arranged thereon. The image forming apparatus includes: a powder spraying section 98 for supplying powders 200 on the surface of resin layer 100 which is adjusted to be in a softened state; and rubbing roller 74 for rubbing, from a side of resin layer 100, the resin image to which powders 200 have been supplied.Type: ApplicationFiled: May 31, 2018Publication date: December 6, 2018Inventors: Michiyo FUJITA, Makoto NOMIYA, Tomomi OSHIBA
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Patent number: 10114306Abstract: A high quality image excellent in low-temperature fixability and good in color stability can be formed by an image forming method of the present invention. In the image forming method, an image is formed by an electrophotographic method using toners of plural colors. Each of the toners of the plural colors contains a crystalline resin, methanol concentrations (%) at transmittance of 50% obtained for methanol wettability evaluation of the toners of the plural colors all fall in a range of 15 to 60%, and assuming that a maximum value and a minimum value of the methanol concentrations (%) at transmittance of 50% obtained for the methanol wettability evaluation of the toners of the plural colors are respectively WH (%) and WL (%), a relationship of 4?WH?WL?30 is satisfied.Type: GrantFiled: March 24, 2017Date of Patent: October 30, 2018Assignee: KONICA MINOLTA, INC.Inventors: Makoto Nomiya, Kaori Matsushima, Yasuko Uchino, Tomomi Oshiba
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Publication number: 20180275547Abstract: A two-component developer includes: a toner containing a binder resin and a layered inorganic mineral; and a carrier containing core material particles and a coating layer with which at least a part of surfaces of the core material particles is coated, the coating layer containing a coating resin, the coating resin containing a resin A having a constituent unit derived from a (meth)acrylate monomer, and the (meth)acrylate monomer containing an alicyclic (meth)acrylate monomer.Type: ApplicationFiled: March 20, 2018Publication date: September 27, 2018Inventors: Makoto NOMIYA, Yasuko UCHINO, Tomomi OSHIBA
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Publication number: 20170285503Abstract: A high quality image excellent in low-temperature fixability and good in color stability can be formed by an image forming method of the present invention. In the image forming method, an image is formed by an electrophotographic method using toners of plural colors. Each of the toners of the plural colors contains a crystalline resin, methanol concentrations (%) at transmittance of 50% obtained for methanol wettability evaluation of the toners of the plural colors all fall in a range of 15 to 60%, and assuming that a maximum value and a minimum value of the methanol concentrations (%) at transmittance of 50% obtained for the methanol wettability evaluation of the toners of the plural colors are respectively WH(%) and WL(%), a relationship of 4?WH?WL?30 is satisfied.Type: ApplicationFiled: March 24, 2017Publication date: October 5, 2017Inventors: Makoto NOMIYA, Kaori MATSUSHIMA, Yasuko UCHINO, Tomomi OSHIBA
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Patent number: 9766564Abstract: Provided is a means that can improve performance such as high-speed fixability and fixable temperature range while securing low temperature fixability, in an electrostatic charge image developing toner concurrently using a crystalline resin and an amorphous resin as binder resins constituting toner base particles. An electrostatic charge image developing toner containing toner base particles containing an amorphous resin and a crystalline resin is constituted such that lamellar crystal structures and fibrous crystal structures are dispersed in the cross section of the toner base particles.Type: GrantFiled: March 29, 2016Date of Patent: September 19, 2017Assignee: KONICA MINOLTA, INC.Inventors: Natsuko Fujisaki, Tomomi Oshiba, Makoto Nomiya
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Patent number: 9733585Abstract: The present invention relates to a toner for electrostatic charge image development containing toner base particles containing a binder resin containing a vinyl resin as a main component and a crystalline resin, and a release agent, comprising a structure body in which the crystalline resin is in contact with the release agent, and the crystalline resin having a lamellar crystal structure that is not in contact with the release agent, in a cross section of the toner base particles. According to the present invention, a toner for electrostatic charge image development having good low-temperature fixability, excellent post-fixing separability, document storability, and high-speed fixability, and small environmental dependence of charge amount can be provided.Type: GrantFiled: June 16, 2016Date of Patent: August 15, 2017Assignee: KONICA MINOLTA, INC.Inventors: Natsuko Fujisaki, Makoto Nomiya, Tomomi Oshiba
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Publication number: 20170153562Abstract: Provided is an electrostatic image developing toner incorporating toner mother particles containing a binder resin and a releasing agent, wherein the binder resin contains an amorphous polyester resin and a crystalline resin; and the toner mother particles have a region (A) including a structure a formed with the releasing agent and the crystalline resin being in contact with each other, and a region (B) in which the crystalline resin forms a lamellar crystalline structure b independently existing without contacting with the releasing agent.Type: ApplicationFiled: September 21, 2016Publication date: June 1, 2017Inventors: Makoto NOMIYA, Natsuko Fujisaki, Yasuko Uchino, Tomomi Oshiba
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Publication number: 20170023873Abstract: The present invention relates to a toner for electrostatic charge image development containing toner base particles containing a binder resin containing a vinyl resin as a main component and a crystalline resin, and a release agent, comprising a structure body in which the crystalline resin is in contact with the release agent, and the crystalline resin having a lamellar crystal structure that is not in contact with the release agent, in a cross section of the toner base particles. According to the present invention, a toner for electrostatic charge image development having good low-temperature fixability, excellent post-fixing separability, document storability, and high-speed fixability, and small environmental dependence of charge amount can be provided.Type: ApplicationFiled: June 16, 2016Publication date: January 26, 2017Inventors: Natsuko FUJISAKI, Makoto NOMIYA, Tomomi OSHIBA
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Patent number: 9529293Abstract: Provided is a toner for electrostatic charge image development which satisfies both low temperature fixability and an excellent storage stability and realizes excellent chargeability, fixing separation property, and flowability. According to the present invention, there is provided a toner for electrostatic charge image development comprising toner particles which comprises a binder resin including a crystalline polyester resin and a release agent, in which the crystalline polyester resin has a lamellar structure and the lamellar structure is present only on the inside of the toner particle when a cross-section of the toner particle subjected to ruthenium staining is observed with a transmission electron microscope.Type: GrantFiled: February 19, 2016Date of Patent: December 27, 2016Assignee: KONICA MINOLTA, INC.Inventors: Natsuko Fujisaki, Tomomi Oshiba, Makoto Nomiya
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Publication number: 20160291492Abstract: Provided is a means that can improve performance such as high-speed fixability and fixable temperature range while securing low temperature fixability, in an electrostatic charge image developing toner concurrently using a crystalline resin and an amorphous resin as binder resins constituting toner base particles. An electrostatic charge image developing toner containing toner base particles containing an amorphous resin and a crystalline resin is constituted such that lamellar crystal structures and fibrous crystal structures are dispersed in the cross section of the toner base particles.Type: ApplicationFiled: March 29, 2016Publication date: October 6, 2016Inventors: Natsuko FUJISAKI, Tomomi Oshiba, Makoto Nomiya
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Publication number: 20160246198Abstract: Provided is a toner for electrostatic charge image development which satisfies both low temperature fixability and an excellent storage stability and realizes excellent chargeability, fixing separation property, and flowability. According to the present invention, there is provided a toner for electrostatic charge image development comprising toner particles which comprises a binder resin including a crystalline polyester resin and a release agent, in which the crystalline polyester resin has a lamellar structure and the lamellar structure is present only on the inside of the toner particle when a cross-section of the toner particle subjected to ruthenium staining is observed with a transmission electron microscope.Type: ApplicationFiled: February 19, 2016Publication date: August 25, 2016Inventors: Natsuko FUJISAKI, Tomomi OSHIBA, Makoto NOMIYA
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Patent number: 8298739Abstract: A toner comprising toner particles, wherein a surface-treated titanate compound is contained on the surface of parent toner particles comprising a resin and a colorant, and the titanate compound having a carbon amount of not less than 0.15% by mass and not more than 0.50% by mass.Type: GrantFiled: May 26, 2010Date of Patent: October 30, 2012Assignee: Konica Minolta Business Technologies, Inc.Inventors: Masahiro Anno, Kazuyoshi Goan, Makoto Nomiya, Kouji Sugama, Masahiro Matsuoka
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Publication number: 20100304288Abstract: A toner comprising toner particles, wherein a surface-treated titanate compound is contained on the surface of parent toner particles comprising a resin and a colorant, and the titanate compound having a carbon amount of not less than 0.15% by mass and not more than 0.50% by mass.Type: ApplicationFiled: May 26, 2010Publication date: December 2, 2010Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Masahiro Anno, Kazuyoshi Goan, Makoto Nomiya, Kouji Sugama, Masahiro Matsuoka
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Patent number: 7642030Abstract: A toner including toner particles each containing a resin and a colorant, wherein the toner particle has: a region A which contains the colorant and a region B through which more electrons can pass than the region A; and the region A is covered by the region B being within 1 ?m deep from a circumference of the toner particle, when the toner particle is observed in a state of a microscopic segment having a thickness of 80 to 200 nm through a transmission electron microscope at an acceleration voltage of 80 kV.Type: GrantFiled: April 14, 2005Date of Patent: January 5, 2010Assignee: Konica Minolta Business Technologies, Inc.Inventors: Makoto Nomiya, Mikio Koyama, Meizo Shirose, Kenji Hayashi