Patents by Inventor Natsuki Ito

Natsuki Ito 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: 11821247
    Abstract: A vehicle door including: an upright pillar sash extending in elevating/lowering directions of the window glass along one of front and rear edges of window glass; and an elevating/lowering mechanism that operates elevating/lowering movement of the window glass by a driving force of a drive source. The upright pillar sash includes: a design part on a vehicle exterior side; and a main body on vehicle interior side relative to the design part, the elevating/lowering mechanism includes: a slider secured to the glass; a guide rail that guides the slider to move in the elevating/lowering directions; and a transmission member that transmits the driving force from the drive source to the slider, the main body of the upright pillar sash houses the slider, guide rail, and transmission member, and the guide rail regulates movement of the slider in both vehicle interior/exterior directions, on a vehicle interior surface side of the glass.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: November 21, 2023
    Assignee: AISIN CORPORATION
    Inventors: Yoshimasa Ishiguro, Kimihiro Kinoshita, Natsuki Ito, Katsuhisa Fukui, Masako Sekine
  • Patent number: 11312865
    Abstract: An object of the present invention is to provide an image forming method capable of coating a photocurable varnish without unevenness on a toner image formed using an electrostatic latent image developing toner, and further having good adhesion between a varnish layer and the toner image. The image forming method of the present invention comprises: forming a toner image on a recording medium using an electrostatic latent image developing toner containing a toner particle comprising a binder resin and a release agent; and forming a varnish layer on the toner image by applying and curing a photocurable varnish comprising a photocurable compound. The binder resin comprised in the electrostatic latent image developing toner contains a crystalline polyester resin. The photocurable compound comprised in the photocurable varnish comprises a diol di(meth)acrylate having a straight hydrocarbon chain.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: April 26, 2022
    Assignee: KONICA MINOLTA, INC.
    Inventors: Takaki Kawamura, Noboru Ueda, Natsuki Ito, Yusuke Takigaura, Ami Motohashi
  • Patent number: 11279209
    Abstract: A vehicle door glass elevating/lowering device performs elevating/lowering operation of window glass by a driving force of a drive source along a sash member along one of front and rear edges of the window glass in a door sash forming a window opening. The glass elevating/lowering device includes: a guide rail on the sash member; a slider having a glass support secured to the glass and a sliding part guided movably in the elevating/lowering directions with respect to the guide rail; and a transmission member that transmits the driving force of the drive source, in which a first sliding part regulated in position by the guide rail in at least one direction of the vehicle front-rear directions and a second sliding part regulated in position by the guide rail in at least the other direction of the vehicle front-rear directions are provided at mutually different positions in the elevating/lowering directions.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: March 22, 2022
    Assignee: SHIROKI CORPORATION
    Inventors: Yoshimasa Ishiguro, Katsuhisa Fukui, Tomoaki Fukatami, Kazuhito Nakajima, Masako Sekine, Natsuki Ito, Kimihiro Kinoshita
  • Publication number: 20220004113
    Abstract: A toner set includes a plurality of toners, wherein the toner set includes a first toner containing a yellow colorant and a second toner containing a cyan colorant, the first toner and the second toner each contain a binder resin containing a vinyl-based resin and a crystalline resin, and a release agent containing a hydrocarbon wax, a content of the vinyl-based resin with respect to a total mass of the binder resin is 50% by mass or more, the first toner contains the crystalline resin having a moiety having a crystal structure and a crystal nucleating agent moiety having a crystal nucleating agent, and the second toner contains the cyan colorant that is a compound represented by general formula (1).
    Type: Application
    Filed: June 7, 2021
    Publication date: January 6, 2022
    Inventors: Hiroshi NAGASAWA, Yusuke TAKIGAURA, Takaki KAWAMURA, Ami MOTOHASHI, Natsuki ITO, Shiro HIRANO
  • Publication number: 20210206239
    Abstract: A vehicle door glass elevating/lowering device performs elevating/lowering operation of window glass by a driving force of a drive source along a sash member along one of front and rear edges of the window glass in a door sash forming a window opening. The glass elevating/lowering device includes: a guide rail on the sash member; a slider having a glass support secured to the glass and a sliding part guided movably in the elevating/lowering directions with respect to the guide rail; and a transmission member that transmits the driving force of the drive source, in which a first sliding part regulated in position by the guide rail in at least one direction of the vehicle front-rear directions and a second sliding part regulated in position by the guide rail in at least the other direction of the vehicle front-rear directions are provided at mutually different positions in the elevating/lowering directions.
    Type: Application
    Filed: November 9, 2018
    Publication date: July 8, 2021
    Applicant: SHIROKI CORPORATION
    Inventors: Yoshimasa ISHIGURO, Katsuhisa FUKUI, Tomoaki FUKATAMI, Kazuhito NAKAJIMA, Masako SEKINE, Natsuki ITO, Kimihiro KINOSHITA
  • Publication number: 20210095134
    Abstract: An object of the present invention is to provide an image forming method capable of coating a photocurable varnish without unevenness on a toner image formed using an electrostatic latent image developing toner, and further having good adhesion between a varnish layer and the toner image. The image forming method of the present invention comprises: forming a toner image on a recording medium using an electrostatic latent image developing toner containing a toner particle comprising a binder resin and a release agent; and forming a varnish layer on the toner image by applying and curing a photocurable varnish comprising a photocurable compound. The binder resin comprised in the electrostatic latent image developing toner contains a crystalline polyester resin. The photocurable compound comprised in the photocurable varnish comprises a diol di(meth)acrylate having a straight hydrocarbon chain.
    Type: Application
    Filed: September 3, 2020
    Publication date: April 1, 2021
    Inventors: Takaki Kawamura, Noboru Ueda, Natsuki Ito, Yusuke Takigaura, Ami Motohashi
  • Patent number: 10961765
    Abstract: A window regulator includes: a carrier piece attached to a window glass; a drive wire connected to the carrier piece and configured to lift and lower the carrier piece; and a wire end connected to an end portion of the drive wire. The carrier piece has a wire end housing portion configured to house the wire end, a wire insertion groove communicating with the wire end housing portion, and a wire retaining portion extending at an upper end of the wire insertion groove. The drive wire is routed in the wire insertion groove. An upper side of the wire insertion groove includes an opening which opens in an upper direction crossing a routing direction of the drive wire. The wire retaining portion prevents the drive wire from coming out of the wire insertion groove by contacting the drive wire.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: March 30, 2021
    Assignee: SHIROKI CORPORATION
    Inventors: Kimihiro Kinoshita, Natsuki Ito
  • Patent number: 10961764
    Abstract: A window regulator includes: a carrier piece attached to a window glass; a drive wire connected to the carrier piece to lift and lower the carrier piece; and a wire end connected to the drive wire. The carrier piece has a groove into which the drive wire is inserted, and a housing in which the wire end is housed. The housing has a bottom wall which the wire end engages, a first end wall communicating with the groove, a second end wall opposite the first end wall, an opening on a top side of the carrier piece into which the wire end is insertable, and a top wall. The walls restrict detachment of the wire end from the housing.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: March 30, 2021
    Assignee: SHIROKI CORPORATION
    Inventors: Kimihiro Kinoshita, Natsuki Ito
  • Publication number: 20210063905
    Abstract: An electrostatic latent image developing toner set of the present invention is an electrostatic latent image developing toner set including at least a yellow toner, a magenta toner, and a cyan toner, wherein when exothermic peak top temperatures during decreasing temperature in differential scanning calorimetry of the yellow toner, the magenta toner, and the cyan toner are assumed to be P(Y), P(M), and P(C), respectively, the exothermic peak top temperatures satisfy the following expression (1). 70?P(Y)?P(M)?P(C)?90(° C.
    Type: Application
    Filed: August 14, 2020
    Publication date: March 4, 2021
    Inventors: Takaki KAWAMURA, Noboru UEDA, Natsuki ITO, Yusuke TAKIGAURA, Ami MOTOHASHI
  • Publication number: 20200379364
    Abstract: Provided is an electrostatic latent image developing toner capable of preventing a release agent from adhering to a member such as a paper conveying roller or the like. An electrostatic latent image developing toner contains at least a binder resin, a colorant, and a release agent, wherein the release agent contains at least an ester wax and the ester wax is an ester wax having a total carbon number of 45 or more and 71 or less, and a top temperature of an exothermic peak during cooling of the electrostatic latent image developing toner measured by a differential scanning calorimetry is within a range of 60° C. or higher and 85° C. or lower.
    Type: Application
    Filed: May 27, 2020
    Publication date: December 3, 2020
    Inventors: Noboru UEDA, Aya SHIRAI, Takaki KAWAMURA, Natsuki ITO, Yusuke TAKIGAURA, Ami MOTOHASHI
  • Publication number: 20200379365
    Abstract: An object of the present invention is to provide a new electrostatic latent image developing toner capable of suppressing adhesiveness of a release agent to a member such as a roller or the like and capable of suppressing gloss unevenness and gloss memory. An electrostatic latent image developing toner containing a binder resin, a release agent, and a colorant, wherein the binder resin contains a crystalline resin, the release agent contains a hydrocarbon wax having a branching degree of 3 to 52%, and a top temperature of an exothermic peak during cooling of the electrostatic latent image developing toner measured by a differential scanning calorimetry is within a range of 60 to 85° C.
    Type: Application
    Filed: May 27, 2020
    Publication date: December 3, 2020
    Inventors: Aya SHIRAI, Noboru UEDA, Takaki KAWAMURA, Yusuke TAKIGAURA, Natsuki ITO, Ami MOTOHASHI
  • Publication number: 20200362611
    Abstract: A vehicle door including: an upright pillar sash extending in elevating/lowering directions of the window glass along one of front and rear edges of window glass; and an elevating/lowering mechanism that operates elevating/lowering movement of the window glass by a driving force of a drive source. The upright pillar sash includes: a design part on a vehicle exterior side; and a main body on vehicle interior side relative to the design part, the elevating/lowering mechanism includes: a slider secured to the glass; a guide rail that guides the slider to move in the elevating/lowering directions; and a transmission member that transmits the driving force from the drive source to the slider, the main body of the upright pillar sash houses the slider, guide rail, and transmission member, and the guide rail regulates movement of the slider in both vehicle interior/exterior directions, on a vehicle interior surface side of the glass.
    Type: Application
    Filed: November 9, 2018
    Publication date: November 19, 2020
    Applicant: SHIROKI CORPORATION
    Inventors: Yoshimasa ISHIGURO, Kimihiro KINOSHITA, Natsuki ITO, Katsuhisa FUKUI, Masako SEKINE
  • Patent number: 10379452
    Abstract: Provided is a color image forming process using colorant-containing toners of multiple colors containing colorants respectively having different resistances, wherein each of the colorant-containing toners contains an amorphous resin, a crystalline polyester resin, and a mold release agent, at least the crystalline polyester resin contained in the colorant-containing toner other than the colorant-containing toner containing a colorant having the lowest resistance contains a hybrid crystalline polyester resin formed by bonding a crystalline polyester polymerized segment and an amorphous polymerized segment, and the content of the amorphous polymerized segment in the hybrid crystalline polyester resin contained in the colorant-containing toner other than the colorant-containing toner containing a colorant having the lowest resistance is greater than the content of the amorphous polymerized segment in the crystalline polyester resin contained in the colorant-containing toner containing a colorant having the lowes
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: August 13, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Natsuki Ito, Noboru Ueda, Kouji Sugama, Kenshi Miyajima, Yohei Ohno, Hidehito Haruki, Keisuke Asano
  • Publication number: 20190136598
    Abstract: A window regulator includes: a carrier piece attached to a window glass; a drive wire connected to the carrier piece to lift/lower the carrier piece; and a wire end connected to the drive wire. The carrier piece has a groove into which the drive wire is inserted, and a housing in which the wire end is housed. The housing has a bottom wall on which the wire end is mounted, one end wall communicating with the groove, an opening on a top side into which the wire end is insertable, a top wall restricting wire end movement in a direction of detachment from the top side of the opening, and another end wall restricting wire end movement in a direction of detachment from the other end side facing the one end wall such that the wire end and the top wall overlap each other as viewed from a top.
    Type: Application
    Filed: November 1, 2018
    Publication date: May 9, 2019
    Applicant: SHIROKI CORPORATION
    Inventors: Kimihiro Kinoshita, Natsuki Ito
  • Publication number: 20190136599
    Abstract: A window regulator includes: a carrier piece attached to a window glass; a drive wire connected to the carrier piece and configured to lift/lower the carrier piece; and a wire end connected to an end portion of the drive wire. The carrier piece has a wire end housing portion configured to house the wire end, a wire insertion groove communicating with the wire end housing portion, and a first wire retaining portion extending at an upper end of the wire insertion groove. The wire insertion groove is configured such that the drive wire is routed in the wire insertion groove, and is configured such that an upper side of the wire insertion groove opens when a direction crossing a routing direction of the drive wire is an upper-to-lower direction.
    Type: Application
    Filed: November 1, 2018
    Publication date: May 9, 2019
    Applicant: SHIROKI CORPORATION
    Inventors: Kimihiro Kinoshita, Natsuki Ito
  • Patent number: 10203621
    Abstract: An image forming method includes using yellow toner, magenta toner, cyan toner, and black toner in which each of the yellow toner, the magenta toner, the cyan toner, and the black toner includes a crystalline polyester resin having a constitutional unit derived from a linear chain aliphatic diol, an amorphous resin, a colorant, and a releasing agent. A carbon number of a linear chain aliphatic diol component forming the crystalline polyester resin contained in the black toner is 6 or more, and a carbon number of a linear chain aliphatic diol component forming the crystalline polyester resin contained in each of the yellow toner, the magenta toner, and the cyan toner is 3 or more and 5 or less.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: February 12, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Kenshi Miyajima, Noboru Ueda, Kouji Sugama, Natsuki Ito, Yohei Ohno, Hidehito Haruki, Keisuke Asano
  • Publication number: 20180307152
    Abstract: Provided is a color image forming process using colorant-containing toners of multiple colors containing colorants respectively having different resistances, wherein each of the colorant-containing toners contains an amorphous resin, a crystalline polyester resin, and a mold release agent, at least the crystalline polyester resin contained in the colorant-containing toner other than the colorant-containing toner containing a colorant having the lowest resistance contains a hybrid crystalline polyester resin formed by bonding a crystalline polyester polymerized segment and an amorphous polymerized segment, and the content of the amorphous polymerized segment in the hybrid crystalline polyester resin contained in the colorant-containing toner other than the colorant-containing toner containing a colorant having the lowest resistance is greater than the content of the amorphous polymerized segment in the crystalline polyester resin contained in the colorant-containing toner containing a colorant having the lowes
    Type: Application
    Filed: April 9, 2018
    Publication date: October 25, 2018
    Inventors: Natsuki Ito, Noboru Ueda, Kouji Sugama, Kenshi Miyajima, Yohei Ohno, Hidehito Haruki, Keisuke Asano
  • Patent number: 10047262
    Abstract: An object of the present invention is to provide a cerium oxide abrasive material containing cerium oxide abrasive particles prepared by a synthetic method using an aqueous solution of a salt of a rare earth element and a precipitant, the cerium oxide abrasive particles having a spherical shape and high polishing performance (polishing rate and polishing precision of the polished surface), a method for producing the cerium oxide abrasive material, and a polishing method. The cerium oxide abrasive material according to the present invention comprises spherical cerium oxide abrasive particles prepared by a synthetic method using an aqueous solution of a salt of a rare earth element and a precipitant, wherein the cerium oxide abrasive particles have a spherical shape having an average aspect ratio within the range of 1.00 to 1.15.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: August 14, 2018
    Assignee: Konica Minolta, Inc.
    Inventors: Keisuke Mizoguchi, Akihiro Maezawa, Atsushi Takahashi, Natsuki Ito, Natsumi Hirayama, Hideaki Wakamatsu
  • Patent number: 10011752
    Abstract: A production method for polishing-material particles, comprising: forming an inner layer having, as a main component thereof, a salt of at least one element selected from Al, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Zr, In, Sn, Y, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, W, Bi, Th, and the alkali earth metals; adding a prepared aqueous solution, at a prescribed time, to a reaction solution in which the salt formed from the element is dispersed, to form an outer layer on the outer side of the inner layer; using solid-liquid separation to separate a polishing-material-particle precursor from the reaction solution, and the polishing-material-particle precursor is baked; and the percentage of Ce in the reaction solution in which the surface of the outer layer is formed is in the range of 60-90 mol % inclusive.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: July 3, 2018
    Assignee: Konica Minolta, Inc.
    Inventors: Atsushi Takahashi, Natsuki Ito, Keisuke Mizoguchi, Akihiro Maezawa
  • Publication number: 20180157186
    Abstract: An image forming method includes using yellow toner, magenta toner, cyan toner, and black toner in which each of the yellow toner, the magenta toner, the cyan toner, and the black toner includes a crystalline polyester resin having a constitutional unit derived from a linear chain aliphatic diol, an amorphous resin, a colorant, and a releasing agent. A carbon number of a linear chain aliphatic diol component forming the crystalline polyester resin contained in the black toner is 6 or more, and a carbon number of a linear chain aliphatic diol component forming the crystalline polyester resin contained in each of the yellow toner, the magenta toner, and the cyan toner is 3 or more and 5 or less.
    Type: Application
    Filed: November 22, 2017
    Publication date: June 7, 2018
    Inventors: Kenshi MIYAJIMA, Noboru Ueda, Kouji Sugama, Natsuki Ito, Yohei Ohino, Hidehito Haruki, Keisuke Asano