Patents by Inventor Tetsuro Mitsui

Tetsuro Mitsui 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: 11959010
    Abstract: An object of the present invention is to provide a heat storage composition excellent in slow flame retardance and a heat storage member excellent in the slow flame retardance. Another object of the present invention is to provide an electronic device including a heat storage member, and a manufacturing method of a heat storage member. The heat storage composition according to an embodiment of the present invention contains a heat storage material and a flame retardant, in which a specific condition A is satisfied. The heat storage member according to an embodiment of the present invention contains a heat storage material and a flame retardant, in which a specific condition C is satisfied.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: April 16, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuro Mitsui, Naotoshi Sato, Aya Nakayama, Takuto Matsushita, Masahiro Hatta, Hiroshi Kawakami
  • Publication number: 20230376142
    Abstract: Provided is a conductive member for a touch panel, a touch panel, and a touch panel display device capable of accommodating a first and a second lead wire in a narrow region. A conductive member for a touch panel includes a first conductive layer disposed on a transparent insulating substrate; an insulating layer disposed on the first conductive layer; and a second conductive layer disposed on the insulating layer. The first conductive layer has a plurality of first touch detection electrodes, and a plurality of first lead wires led from the plurality of first touch detection electrodes. The second conductive layer has a plurality of second touch detection electrodes, and a plurality of second lead wires led from the plurality of second touch detection electrodes. At least a part of the first lead wire and at least a part of the second lead wire overlap each other in plan view.
    Type: Application
    Filed: August 1, 2023
    Publication date: November 23, 2023
    Applicant: FUJIFILM Corporation
    Inventor: Tetsuro MITSUI
  • Publication number: 20230229276
    Abstract: Provided are a conductive member for a touch panel and a manufacturing method thereof, the conductive member having a conductive layer including an opaque conductive material on a flexible transparent insulating substrate, such that damage of the conductive layer is prevented. The manufacturing method of the conductive member including a first conductive layer, an interlayer insulating layer, and a second conductive layer in this order on the flexible substrate, includes: 1) forming the first conductive layer on the substrate; 2) ef-forming the interlayer insulating layer; and 3) forming the second conductive layer, in which each of the steps 1 and 3 includes forming a fine metal wire using a photolithography method, a thickness of the interlayer insulating layer is 1 to 5 µm, and the bend resistance obtained by measuring the conductive member using a cylindrical mandrel method according to JIS-K5600-5-1 is less than 5 mm.
    Type: Application
    Filed: March 23, 2023
    Publication date: July 20, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Takato SUZUKI, Tetsuro MITSUI
  • Patent number: 11635864
    Abstract: A touch sensor pattern includes: a plurality of detection electrodes; a plurality of lead wires that are connected to the plurality of detection electrodes and a plurality of external connection terminals that are connected to the plurality of lead wires, in which each of the plurality of external connection terminals includes a first fine metal wire having a smaller line width than each of the plurality of lead wires, and an area per unit length of at least a part of each of the plurality of external connection terminals in an extension direction in a plan view is 5.5 times or less an area per unit length of each of the plurality of lead wires in a plan view.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: April 25, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Katsuyuki Nukui, Tetsuro Mitsui
  • Publication number: 20230109172
    Abstract: An object of the present invention is to provide a sealing method using a cover film where a problem of odor is not likely to occur and quick drying properties and sealability are high. The sealing method according to the present invention is a sealing method that is performed using at least a cover film and a sealing solvent, the cover film including a polymer layer provided on a transparent support, in which the sealing solvent is a solvent including at least one kind selected from the group consisting of an ester, an alcohol, a ketone, an ether, and an aromatic hydrocarbon, in a case where the sealing solvent is an ester, an alcohol, a ketone, or an ether, a boiling point of the sealing solvent is 80° C. to 170° C., and in a case where the sealing solvent is an aromatic hydrocarbon, a boiling point of the sealing solvent is 150° C. to 170° C.
    Type: Application
    Filed: December 8, 2022
    Publication date: April 6, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Takeshi Umehara, Tetsuro Mitsui, Miyoko Hara, Kana Sasahara, Akio Tamura, Reiko Inushima
  • Publication number: 20230095219
    Abstract: A touch sensor pattern includes: a plurality of detection electrodes; a plurality of lead wires that are connected to the plurality of detection electrodes; and a plurality of external connection terminals that are connected to the plurality of lead wires, in which each of the plurality of external connection terminals includes a first fine metal wire having a smaller line width than each of the plurality of lead wires, and an area per unit length of at least a part of each of the plurality of external connection terminals in an extension direction in a plan view is 5.5 times or less an area per unit length of each of the plurality of lead wires in a plan view.
    Type: Application
    Filed: July 12, 2022
    Publication date: March 30, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Katsuyuki NUKUI, Tetsuro MITSUI
  • Publication number: 20230089665
    Abstract: A touch sensor film includes: a plurality of detection electrodes; and a plurality of lead wires that are electrically connected to the plurality of detection electrodes, in which each of the plurality of detection electrodes has a mesh structure formed of a conductive thin wire, each of the plurality of detection electrodes includes a first connection terminal disposed at an outermost side of each of the plurality of detection electrodes and a second connection terminal disposed by spacing from the first connection terminal, and each of the plurality of lead wires extends up to the second connection terminal through the first connection terminal and electrically connect the first connection terminal and the second connection terminal to each other.
    Type: Application
    Filed: July 12, 2022
    Publication date: March 23, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Katsuyuki NUKUI, Tetsuro MITSUI
  • Publication number: 20220034608
    Abstract: The present invention provides a heat storage member which is excellent in a heat storage property and of which a chronological change in a tint is suppressed. A heat storage member according to an embodiment of the present invention includes a heat storage sheet containing a microcapsule encompassing a heat storage material, and a colored layer.
    Type: Application
    Filed: October 20, 2021
    Publication date: February 3, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuro MITSUI, Aya NAKAYAMA, Takuto MATSUSHITA
  • Publication number: 20220002605
    Abstract: An object of the present invention is to provide a heat storage composition excellent in slow flame retardance and a heat storage member excellent in the slow flame retardance. Another object of the present invention is to provide an electronic device including a heat storage member, and a manufacturing method of a heat storage member. The heat storage composition according to an embodiment of the present invention contains a heat storage material and a flame retardant, in which a specific condition A is satisfied. The heat storage member according to an embodiment of the present invention contains a heat storage material and a flame retardant, in which a specific condition C is satisfied.
    Type: Application
    Filed: September 17, 2021
    Publication date: January 6, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuro MITSUI, Naotoshi SATO, Aya NAKAYAMA, Takuto MATSUSHITA, Masahiro HATTA, Hiroshi KAWAKAMI
  • Publication number: 20210385965
    Abstract: An object of the present invention is to provide a heat storage member having excellent flame retardance. Another object of the present invention is to provide an electronic device including a heat storage member, a manufacturing method of a heat storage member, and a composition for forming a protective layer. The heat storage member according to an embodiment of the present invention includes a protective layer and a heat storage layer including a heat storage material, in which the protective layer has a crosslinking structure.
    Type: Application
    Filed: August 19, 2021
    Publication date: December 9, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuro MITSUI, Naotoshi SATO, Miyoko HARA, Masahiro HATTA, Hiroshi KAWAKAMI, Hirokazu KITO, Aya NAKAYAMA, Takuto MATSUSHITA, Kyohei OGAWA
  • Publication number: 20210293489
    Abstract: An object of the present invention is to provide a heat storage sheet in which the occurrence of defects when handling it is suppressed, and a heat storage member and an electronic device including the heat storage sheet. The heat storage sheet according to an embodiment of the present invention includes a microcapsule which encapsulates a heat storage material, in which a void volume is less than 10% by volume.
    Type: Application
    Filed: May 6, 2021
    Publication date: September 23, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuro MITSUI, Naotoshi SATO, Miyoko HARA, Masahiro HATTA, Hirokazu KITO, Hiroshi KAWAKAMI, Aya NAKAYAMA, Takuto MATSUSHITA, Kyohei OGAWA
  • Publication number: 20210261843
    Abstract: The present invention provides a heat storage sheet which exhibits an excellent heat storage property, a heat storage member, an electronic device, and a manufacturing method of a heat storage sheet. The heat storage sheet according to an embodiment of the present invention is a heat storage sheet including a heat storage material, and a microcapsule which encapsulates at least a part of the heat storage material, in which a content ratio of the heat storage material to a total mass of the heat storage sheet is 65% by mass or more.
    Type: Application
    Filed: May 12, 2021
    Publication date: August 26, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Hiroshi KAWAKAMI, Masahiro HATTA, Tetsuro MITSUI, Aya NAKAYAMA, Takuto MATSUSHITA
  • Publication number: 20210086139
    Abstract: Provided is a hydrophilic porous membrane including a porous membrane and a hydroxyalkyl cellulose (preferably, hydroxypropyl cellulose) retained in the porous membrane, the hydroxyalkyl cellulose having a weight-average molecular weight of 10,000 or more and less than 110,000. The hydrophilic porous membrane of embodiments of the invention has high water permeability and can pass an integrity test in the case of being used as a filtration membrane of a filter cartridge. Also provided is a method for producing the above-mentioned hydrophilic porous membrane, the method comprising causing a hydrophilizing liquid including 0.005% to 0.500% by mass of a hydroxyalkyl cellulose having a weight-average molecular weight of 10,000 or more and less than 110,000, to permeate a porous membrane.
    Type: Application
    Filed: December 10, 2020
    Publication date: March 25, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Akihiro ISHII, Tetsuro MITSUI, Takeshi UMEHARA
  • Publication number: 20200064973
    Abstract: A composite member has a pressure-sensitive adhesive layer, a conductive layer body including an insulating layer having a higher modulus of elasticity than the pressure-sensitive adhesive layer and two conductive layers electrically insulated by the insulating layer and disposed to be spaced from each other, and a member having a higher modulus of elasticity than the pressure-sensitive adhesive layer, in which the member is in contact with, out of the two conductive layers, a first conductive layer provided on a side on which a radius of curvature of the insulating layer is larger in a case of bending the conductive layer body in a bending direction, and the pressure-sensitive adhesive layer is disposed at a portion except for between the insulating layer and each of the two conductive layers and between the first conductive layer and the member having a higher modulus of elasticity than the pressure-sensitive adhesive layer.
    Type: Application
    Filed: October 31, 2019
    Publication date: February 27, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuro MITSUI, Hidetoshi HIRATA
  • Publication number: 20190220151
    Abstract: A flexible device and an organic electroluminescence display device that include a laminate for a touch panel. The laminate for a touch panel that is bendable, comprising a plurality of members and is bendable, in which at least one of the members is a member including a conductive portion, at least one of the members is an adhesive film, and the adhesive film has a 180 degree peel strength of 0.5 N/mm or higher with respect to an adjacent member and has a thickness of 30 ?m or more.
    Type: Application
    Filed: March 28, 2019
    Publication date: July 18, 2019
    Applicant: FUJIFILM Corporation
    Inventor: Tetsuro MITSUI
  • Publication number: 20170101560
    Abstract: The present invention provides a pressure sensitive adhesive composition capable of forming a pressure sensitive adhesive sheet which has excellent adhesiveness and a low relative permittivity and causes less change in the relative permittivity according to environmental temperatures, a pressure sensitive adhesive sheet, a pressure sensitive adhesive film, a laminate for a touch panel including the pressure sensitive adhesive sheet, and a capacitive touch panel.
    Type: Application
    Filed: December 23, 2016
    Publication date: April 13, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuro MITSUI, Yohei ISHIJI
  • Patent number: 9349965
    Abstract: There is provided a compound represented by a specific formula, which has an absorption maximum at 400 nm or more and less than 720 nm in a UV-visible absorption spectrum, wherein a molar extinction coefficient is 10,000 mol?1·l·cm?1 or more at the absorption maximum wavelength, and a difference between a melting point and a deposition temperature (a melting point?a deposition temperature) is 31° C. or more.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: May 24, 2016
    Assignee: FUJIFILM CORPORATION
    Inventors: Katsuyuki Yofu, Kimiatsu Nomura, Eiji Fukuzaki, Yuki Hirai, Mitsumasa Hamano, Tetsuro Mitsui
  • Patent number: 9258463
    Abstract: The solid-state imaging device includes lower electrodes acting as pixel electrodes, an organic photoelectric conversion film formed on the lower electrodes and generating electric charge in response to received light, and a transparent upper electrode that are formed on a substrate having signal readout circuits. The organic photoelectric conversion film, a transition area having at least one of its film thickness and film quality undergone transition from a film thickness and film quality of an area corresponding to a pixel electrode area in which the lower electrodes have been formed is an area that starts from an outer edge of the organic photoelectric conversion film and ends at a point away from the outer edge by a distance of 200 ?m or less.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: February 9, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuro Mitsui, Takuro Sugiyama
  • Patent number: 9123858
    Abstract: A method for manufacturing a photoelectric conversion device including a first process where a plurality of pixel electrodes are formed on a dielectric layer; a second process where a light receiving layer that includes an organic material is formed on the plurality of pixel electrodes; and a third process where a counter electrode is formed on the light receiving layer. The first process includes a film forming process of a pixel electrode material on the dielectric layer; a patterning process of the film of the pixel electrode material; and a heating process for heating the substrate at 270° C. after the patterning process. Such process forming a photoelectric conversion device of a solid-state imaging device which also includes a signal reading circuit formed on the substrate, the signal reading circuit capable of reading out the signal according to a quantity of electric charges collected in the first electrode.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: September 1, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuro Mitsui, Yuki Kuramoto
  • Patent number: 9085537
    Abstract: A photoelectric element includes a conductive layer, an organic photoelectric layer, a blocking layer and a transparent conductive layer, the organic photoelectric layer contains a p type organic photoelectric material having a glass transition temperature of 100° C. or higher and forms an amorphous layer, and the blocking layer contains a blocking material having a glass transition temperature of 140° C. or higher.
    Type: Grant
    Filed: February 8, 2011
    Date of Patent: July 21, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Kimiatsu Nomura, Tetsuro Mitsui