Patents by Inventor Shuichi Tamura

Shuichi Tamura 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: 11971626
    Abstract: Provided are a barrier film having superior close adhesion to a phosphor layer when used for a wavelength conversion sheet, a wavelength conversion sheet having the barrier film, and a backlight and a display device including the wavelength conversion sheet. A barrier film for a wavelength conversion sheet, comprising: a barrier layer; and a primer layer, wherein the primer layer comprises a cured product of a polyurethane-based resin composition, and when a surface of an opposite side of the primer layer from the barrier layer is subjected to X-ray photoelectron spectroscopy to obtain a C1s spectrum, P2/P1 is 0.55 or more, where P1 is an area of a peak assigned to a C—C bond in the C1s spectrum and P2 is an area of a peak assigned to a C—O bond in the C1s spectrum.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: April 30, 2024
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Tatsuji Nakajima, Shuichi Tamura, Takeshi Sakamoto, Ryutaro Harada
  • Publication number: 20240126121
    Abstract: Provided is a film for a wavelength conversion sheet that can suppress a change in color with time when applied to a wavelength conversion sheet. A film for a wavelength conversion sheet, comprising a primer layer and a first base material film in presented order, wherein a refractive index of the primer layer is defined as n1, a thickness of the primer layer is defined as t1, and a refractive index of the first base material film is defined as n2, and the following condition 1 or the following condition 2 is satisfied: Condition 1: n1<n2, and d1 represented by the following expression 1 represents a range of x±0.10 wherein x is an odd integer; Condition 2: n1>n2, and d1 represented by the following expression 1 represents a range of x±0.10 wherein x is an even integer; Expression 1: d1=n1×t1/112.5 nm.
    Type: Application
    Filed: March 17, 2022
    Publication date: April 18, 2024
    Inventors: Takeshi SAKAMOTO, Ryutaro HARADA, Shuichi TAMURA, Akihito HARUKI, Shota YAMANISHI, Yuko FUJIOKA
  • Publication number: 20240085834
    Abstract: An image forming system includes an image forming apparatus including an image forming unit and a fixing unit; a folding processing portion; a pressure-bonding portion; and an input portion capable of selecting a pressure-bonding mode in which a pressure-bonding print prepared by subjecting the recording material to pressure-bonding processing by the folding processing portion and the pressure-bonding portion and capable of selecting a layout of the toner image formed on the recording material. When the pressure-bonding mode is selected, the layout depending on the pressure-bonding mode is selected.
    Type: Application
    Filed: August 31, 2023
    Publication date: March 14, 2024
    Inventors: SHUICHI TAMURA, NAOYUKI YAMAMOTO, TOHRU NAKAEGAWA, KENICHIRO KITAJIMA, KOTA MORI, YOSHIRO TSUKADA
  • Publication number: 20240085843
    Abstract: An image forming system includes an image forming apparatus including a fixing unit, a folding processing portion, and a pressure-bonding portion. A first recording material having a first basis weight is fixed at a first temperature by the fixing unit and then is pressure-bonded by the pressure-bonding portion after a lapse of a first period. A second recording material having a second basis weight is fixed at a second temperature by the fixing unit and then is pressure-bonded by the pressure-bonding portion after a lapse of a second period. The second basis weight is larger than the first basis weight. The second temperature is higher than the first temperature. The second period is longer than the first period.
    Type: Application
    Filed: August 4, 2023
    Publication date: March 14, 2024
    Inventors: NAOYUKI YAMAMOTO, KENICHIRO KITAJIMA, YOSHIRO TSUKADA, TOHRU NAKAEGAWA, KOTA MORI, SHUICHI TAMURA
  • Patent number: 11815850
    Abstract: An image forming system includes an image forming apparatus, a varnish application apparatus, and a controller. When the image forming apparatus is in a standby state and preheating of varnish in a tank by a heater is completed, if an image forming job of forming a toner image on a first recording material and applying varnish thereto by a varnish coater is received, the controller controls a guide member to guide the first recording material to a first conveyance path. When the image forming apparatus is in a standby state and preheating of varnish in the tank by the heater is not completed, if an image forming job of forming a toner image on a second recording material and not applying varnish thereto by the varnish coater is received, the controller controls the guide member to guide the second recording material to a second conveyance path.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: November 14, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koji Arimura, Naoyuki Yamamoto, Kenichiro Kitajima, Shuichi Tamura, Ryota Fujioka, Yoshiro Tsukada, Shohei Okumura, Takahiro Suzuki
  • Publication number: 20230305336
    Abstract: Provided is a barrier film that can suppress a change in color when applied to a wavelength conversion sheet. A barrier film for a wavelength conversion sheet that is a barrier film comprising at least one inorganic oxide layer and at least one organic coating layer on one surface of a light-transmitting base material, wherein a value of a water vapor transmission rate according to JIS K7129-2:2019 is 0.20 g/m2·day or less, and when a spectral transmittance of the barrier film is measured with a surface of a side comprising the inorganic oxide layer and the organic coating layer as a light coming-in surface, the barrier film comprises a spectral transmittance bottom at which the spectral transmittance changes from decreasing to increasing, or a spectral transmittance peak at which the spectral transmittance changes from increasing to decreasing, in the range of 450 nm±7 nm.
    Type: Application
    Filed: August 3, 2021
    Publication date: September 28, 2023
    Inventors: Takeshi SAKAMOTO, Ryutaro HARADA, Shuichi TAMURA, Akihito HARUKI, Shota YAMANISHI, Yuko FUJIOKA
  • Publication number: 20230305335
    Abstract: Provided is a barrier film that can suppress a change in color when applied to a wavelength conversion sheet. A barrier film for a wavelength conversion sheet, comprising an inorganic oxide layer A, an organic coating layer B, an inorganic oxide layer C, and a primer layer D in presented order on a light-transmitting base material, wherein thicknesses of the light-transmitting base material, the inorganic oxide layer A, the organic coating layer B, the inorganic oxide layer C, and the primer layer D are defined as t0, tA, tB, tC, and tD, respectively; tB is 150 nm or more and 500 nm or less; and tD/tB is 0.55 or more and 1.65 or less.
    Type: Application
    Filed: August 3, 2021
    Publication date: September 28, 2023
    Inventors: Tatsuji NAKAJIMA, Ryutaro HARADA, Takeshi SAKAMOTO, Shuichi TAMURA, Akihito HARUKI, Shota YAMANISHI, Ryoma YASUI
  • Publication number: 20230127053
    Abstract: An image forming system includes an image forming apparatus, a varnish application apparatus, and a controller. The varnish application apparatus includes a varnish application unit configured to apply varnish to a recording material, a first conveyance unit configured to convey a recording material in a first conveyance path that passes through the varnish application unit, and a second conveyance unit configured to convey a recording material in a second conveyance path that does not pass through the varnish application unit. When failure is occurred to one or both of the varnish application unit and the first conveyance unit and failure is not occurred to the second conveyance unit, the controller is configured to permit execution of the second image forming job and to convey a recording material by the second conveyance unit in the varnish application apparatus.
    Type: Application
    Filed: October 18, 2022
    Publication date: April 27, 2023
    Inventors: Koji Arimura, Naoyuki Yamamoto, Kenichiro Kitajima, Shuichi Tamura, Ryota Fujioka, Yoshiro Tsukada, Shohei Okumura, Takahiro Suzuki
  • Publication number: 20230129927
    Abstract: An image forming system includes an image forming apparatus, a varnish application apparatus, and a controller. When the image forming apparatus is in a standby state and preheating of varnish in a tank by a heater is completed, if an image forming job of forming a toner image on a first recording material and applying varnish thereto by a varnish coater is received, the controller controls a guide member to guide the first recording material to a first conveyance path. When the image forming apparatus is in a standby state and preheating of varnish in the tank by the heater is not completed, if an image forming job of forming a toner image on a second recording material and not applying varnish thereto by the varnish coater is received, the controller controls the guide member to guide the second recording material to a second conveyance path.
    Type: Application
    Filed: October 18, 2022
    Publication date: April 27, 2023
    Inventors: Koji Arimura, Naoyuki Yamamoto, Kenichiro Kitajima, Shuichi Tamura, Ryota Fujioka, Yoshiro Tsukada, Shohei Okumura, Takahiro Suzuki
  • Publication number: 20230121133
    Abstract: Provided are a barrier film having superior close adhesion to a phosphor layer when used for a wavelength conversion sheet, a wavelength conversion sheet having the barrier film, and a backlight and a display device including the wavelength conversion sheet. A barrier film for a wavelength conversion sheet, comprising: a barrier layer; and a primer layer, wherein the primer layer comprises a cured product of a polyurethane-based resin composition, and when a surface of an opposite side of the primer layer from the barrier layer is subjected to X-ray photoelectron spectroscopy to obtain a C1s spectrum, P2/P1 is 0.55 or more, where P1 is an area of a peak assigned to a C—C bond in the C1s spectrum and P2 is an area of a peak assigned to a C—O bond in the C1s spectrum.
    Type: Application
    Filed: March 24, 2021
    Publication date: April 20, 2023
    Inventors: Tatsuji NAKAJIMA, Shuichi TAMURA, Takeshi SAKAMOTO, Ryutaro HARADA
  • Publication number: 20230104432
    Abstract: Provided is a barrier film that can suppress a change in color when applied to a wavelength conversion sheet. A barrier film for a wavelength conversion sheet, comprising an inorganic oxide layer A, an organic coating layer B, an inorganic oxide layer C, and an organic coating layer D in presented order on a light-transmitting base material; wherein refractive indexes of the inorganic oxide layer A, the organic coating layer B, the inorganic oxide layer C, and the organic coating layer D are defined as nA, nB, nC, and nD, respectively; thicknesses of the organic coating layer B and the organic coating layer D are defined as tB and tD, respectively; nA and nC are larger than nB and nD; and d1 represented by the following expression 1 represents a range of x±0.10 wherein x is an integer of 2 to 13. d1=nB×tB/112.5 nm+nD×tD/112.
    Type: Application
    Filed: August 3, 2021
    Publication date: April 6, 2023
    Inventors: Tatsuji NAKAJIMA, Ryutaro HARADA, Takeshi SAKAMOTO, Shuichi TAMURA, Akihito HARUKI, Shota YAMANISHI, Ryoma YASUI
  • Publication number: 20230068570
    Abstract: An image forming system includes an image forming unit for forming a first toner image and a second toner image on a first surface and a second surface of a recording medium by using toner containing wax; a pressure-bonding unit for pressure-bonding the recording medium folded in two by applying heat and pressure to the recording medium, an inner surface of the recording medium folded in two being pressure-bonded via an adhesive medium, one of the first surface and the second surface being the inner surface of the recording medium folded in two, the pressure-bonding unit pressure-bonding the recording medium folded in two via an adhesive member; and a control unit for determining an image forming order so that an image is formed on an outer surface of the recording medium folded in two, and then on the inner surface of the recording medium folded in two.
    Type: Application
    Filed: August 8, 2022
    Publication date: March 2, 2023
    Inventors: Shuichi Tamura, Naoyuki Yamamoto
  • Patent number: 11573510
    Abstract: A fixing device for fixing an image comprising a liquid developer on a recording material includes a feeding belt for feeding the recording material; a plurality of air vents, provided in a region of the feeding belt on which the recording material is fed, for sucking the recording material onto the feeding belt; a fan for sucking the recording material toward the feeding belt; and a heating source for heating the image on the recording material fed by the feeding belt, by radiant heat, and satisfies the following equation: db·?b·K<44.9, wherein K: ?b·cb/?p·?p·dp·cp cp: specific heat of developer and recording material (J/g·K) ?p: density of developer and recording material (g/cm3) dp: thickness of developer and recording material (mm) ?p: thermal conductivity of developer and recording material (W/(m·K)) cb: specific heat of belt (J/g·K) ?b: density of belt (g/cm3) db: thickness of belt (mm) ?b: diameter of air vent of belt (mm).
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: February 7, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shuhei Takahashi, Shuichi Tamura, Tomoharu Kitajima
  • Patent number: 11487248
    Abstract: A movement includes a solar panel that has a substrate made of resin, and a support member that is made of resin, has a frame shape, and supports the substrate through bonding through a bonding layer.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: November 1, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Shuichi Tamura
  • Patent number: 11422490
    Abstract: An infrared irradiating portion is turned on in accordance with power-on of an image forming apparatus 10, and an air sucking operation of an air sucking portion 300 is started after a temperature of an infrared radiation member 305 of an IR irradiating portion 13 reaches a predetermined temperature.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: August 23, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Michiaki Endo, Tomoharu Kitajima, Shuhei Takahashi, Shuichi Tamura
  • Patent number: 11316395
    Abstract: A method of manufacturing an armature coil includes steps of arranging a plurality of coil conductors of the armature coil between an end metal die and a back portion metal die on a lower metal die; pressing, with the upper metal die in a pressing direction, the plurality of the coil conductors arranged between the end metal die and the back portion metal die on the lower metal die; and removing coil conductors that become formed in a convex shape and a concave shape from the lower metal die. The upper metal die may be provided with an inclined portion on a lower metal die side of the upper metal die, and the upper metal die may be configured to be pressed such that a space is formed by the dies, the space having a width that gets gradually narrower.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: April 26, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Koji Tamura, Shuichi Tamura, Akihiro Yamamura, Issei Doi, Hiroyuki Matsuo, Yasukazu Nishimura, Sachiko Kawasaki, Akihiko Mori
  • Patent number: 11262705
    Abstract: A movement includes a first wheel which includes a wheel main body which is configured by a resin material and a metal layer which is configured by a metal material and is provided on an outer surface of the wheel main body, and a second wheel which is configured by a metal material, in which the movement transmits a drive force of an electric motor module which is driven using a battery as an electrical power source.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: March 1, 2022
    Inventors: Shuichi Tamura, Tsunenobu Endo
  • Patent number: 11209778
    Abstract: A movement includes a first wheel which includes a wheel main body which is configured by a resin material and a conductive layer which is configured by a material containing a conductive polymer and is provided on an outer surface of the wheel main body, and a second wheel which is configured by a metal material, in which the movement transmits a drive force of an electric motor module which is driven using a battery as an electrical power source. It is preferable that the conductive polymer is a material selected from polythiophene, polyacetylene, polyaniline, polyparaphenylene, and polyparaphenylenevinylene which is doped with an impurity.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: December 28, 2021
    Inventors: Shuichi Tamura, Tsunenobu Endo, Masaaki Inoue
  • Patent number: 11209756
    Abstract: A method for producing printed matter that has a fixed toner image and a resin layer, in the indicated sequence, on a substrate, comprising a toner image formation step of forming a fixed toner image on the substrate by fixing a toner containing a resin and a hydrocarbon wax, a mixture layer formation step of forming, on the fixed toner image, a layer of a mixture, the mixture contains at least one selected from the group consisting of diacrylates and dimethacrylates as a component (a) and a polymerization initiator as a component (b); and a resin layer formation step of polymerizing the component (a) and the component (b) in the mixture layer to form the resin layer; wherein the melting point of the hydrocarbon wax is from 55° C. to 85° C., a surface wax index A and a wax distribution unevenness index B of the area are predetermined range.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: December 28, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yuya Chimoto, Yoshiro Tsukada, Naoyuki Yamamoto, Shuichi Tamura, Akifumi Matsubara, Hayato Ida
  • Publication number: 20210397116
    Abstract: A fixing device for fixing an image comprising a liquid developer on a recording material includes a feeding belt for feeding the recording material; a plurality of air vents, provided in a region of the feeding belt on which the recording material is fed, for sucking the recording material onto the feeding belt; a fan for sucking the recording material toward the feeding belt; and a heating source for heating the image on the recording material fed by the feeding belt, by radiant heat, and satisfies the following: db·?b·K<44.9, K: ?b·cb/?p·?p·dp·cpcp: specific heat of developer and recording material (J/g·K) ?p: density of developer and recording material (g/cm3) dp: thickness of developer and recording material (mm) ?p: thermal conductivity of developer and recording material (W/(m·K)) cb: specific heat of belt (J/g·K) ?b: density of belt (g/cm3) db: thickness of belt (mm) ?b: diameter of air vent of belt (mm).
    Type: Application
    Filed: September 3, 2021
    Publication date: December 23, 2021
    Inventors: Shuhei Takahashi, Shuichi Tamura, Tomoharu Kitajima