Patents by Inventor Daisuke Kubo

Daisuke Kubo 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).

  • Publication number: 20240118647
    Abstract: An endless belt includes a resin and conductive particles, in which a content of the conductive particles with respect to the endless belt is 5% by volume or more and 20% by volume or less in terms of a volume ratio, a Young's modulus of the endless belt is 3,000 MPa or more, and the number of times of bending endurance of the endless belt measured by an MIT test specified in JIS P8115:2001 is 10,000 or more.
    Type: Application
    Filed: March 26, 2023
    Publication date: April 11, 2024
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Yosuke KUBO, Hiroaki TANAKA, Shigeru FUKUDA, Daisuke TANEMURA, Masato ONO, Masato FURUKAWA, Masayuki SEKO, Koichi MATSUMOTO, Iori NISHIMURA
  • Publication number: 20240118646
    Abstract: An endless belt, in which an outer peripheral surface of the endless belt has a coefficient of dynamic friction of 0.85 or less, and in a case where polyester resin particles having a volume-average particle size of 4.7 ?m are caused to adhere to the outer peripheral surface under a load of 0 g/cm2, and then air is sprayed on the outer peripheral surface from above the outer peripheral surface at a spray pressure that keeps increasing, all the polyester resin particles having adhered to the outer peripheral surface are spaced apart from the outer peripheral surface at the spray pressure of 6 kPa or less.
    Type: Application
    Filed: March 22, 2023
    Publication date: April 11, 2024
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Hiroaki TANAKA, Daisuke TANEMURA, Masato FURUKAWA, Yosuke KUBO, Iori NISHIMURA, Masato ONO, Masayuki SEKO, Shigeru FUKUDA
  • Patent number: 11945923
    Abstract: Disclosed is a method for producing an electrolytic capacitor, the method including the steps of preparing an anode foil that includes a dielectric layer, a cathode foil, and a fiber structure; preparing a conductive polymer dispersion liquid that contains a conductive polymer component and a dispersion medium; producing a separator by applying the conductive polymer dispersion liquid to the fiber structure and then removing at least a portion of the dispersion medium; and producing a capacitor element by sequentially stacking the anode foil, the separator, and the cathode foil. The dispersion medium contains water. The fiber structure contains a synthetic fiber in an amount of 50 mass % or more. The fiber structure has a density of 0.2 g/cm3 or more and less than 0.45 g/cm3.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: April 2, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Daisuke Kubo, Hiroyuki Arima, Tomoyuki Tashiro, Kazuhiro Takatani, Kenta Chashiro, Shumpei Matsushita
  • Publication number: 20240087817
    Abstract: An electrolytic capacitor includes a capacitor element that includes an anode part and a cathode part, an exterior body that seals the capacitor element, a first external electrode that is electrically connected to the anode part, and a second external electrode that is electrically connected to the cathode part. At least one of an end face of the anode part or an end face of the cathode part is exposed from the exterior body to be electrically connected to a corresponding one of the first external electrode or the second external electrode. The end face exposed from the exterior body is covered with an electroless Ni plating layer, and the electroless Ni plating layer is covered with an electroless Ag plating layer. The electroless Ag plating layer is covered with the corresponding one of the first external electrode or the second external electrode.
    Type: Application
    Filed: January 25, 2022
    Publication date: March 14, 2024
    Inventors: KENTA SATO, TOSHIFUMI KADOKAWA, JUNICHI KURITA, DAISUKE KUBO
  • Publication number: 20230368983
    Abstract: A carbon paste for solid electrolytic capacitors contains first carbon particles in which an average particle size of primary particles is more than or equal to 40 nm and less than or equal to 100 nm. A proportion of the first carbon particles in a dried solid content is from 25 vol % to 75 vol %, inclusive.
    Type: Application
    Filed: October 25, 2021
    Publication date: November 16, 2023
    Inventors: MOMO KUSAKABE, YUKIHIRO SHIMASAKI, TAKASHI OHBAYASHI, JUNICHI KURITA, DAISUKE KUBO, KENJI KURANUKI
  • Patent number: 11776762
    Abstract: Disclosed is an electrolytic capacitor including: a capacitor element including a pair of electrodes; an electrolyte interposed between the pair of electrodes; a pair of leads electrically connected to the pair of electrodes, respectively; a case in which the capacitor element and the electrolyte are accommodated, and that has an opening; a sealing member that seals the opening, and has a pair of insertion holes for leading out the leads; an insulating plate having a pair of through holes for leading out the leads; and a resin member filled between the sealing member and the insulating plate, wherein the insulating plate has a resin bonding surface that abuts against the resin member, and a mounting surface opposed to the resin bonding surface, and includes at least one protrusion or recess on the resin bonding surface.
    Type: Grant
    Filed: September 27, 2022
    Date of Patent: October 3, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Miyoko Masuda, Yuichiro Tsubaki, Tatsuji Aoyama, Daisuke Kubo
  • Patent number: 11769638
    Abstract: A power storage device includes an electricity storage element, a case, and a sealing member which includes an elastic member. The elastic member contains an elastic polymer and a hindered phenol compound. The hindered phenol compound having a phenol skeleton includes a first hindered group and a second hindered group. The first hindered group is bonded to a first substitution site of the phenol skeleton, and the second hindered group is bonded to a second substitution site of the phenol skeleton. Each of the first substitution site and second substitution site is adjacent to a substitution site of the phenol skeleton to which a phenolic hydroxy group is bonded. One of one or more tertiary carbon atoms in the first hindered group and one of one or more tertiary carbon atoms in the second hindered group are bonded to the first substitution site and the second substitution site, respectively.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: September 26, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Daisuke Kubo, Doyu Hachisu, Nobuyuki Matsuzawa, Miyoko Masuda
  • Patent number: 11749464
    Abstract: An electrolytic capacitor according to the present disclosure includes an anode body, a cathode body, a solid electrolyte, and a liquid component. The anode body has a surface provided with a dielectric layer. The solid electrolyte is in contact with the dielectric layer, is disposed between the anode body and the cathode body and contains conductive polymer. The liquid component is in contact with the dielectric layer and the solid electrolyte and contains a solvent and an acid component. The acid component contains a first polymer acid component including a sulfonic acid group or a carboxylic acid group.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: September 5, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yuichiro Tsubaki, Daisuke Kubo, Tatsuji Aoyama
  • Publication number: 20230260716
    Abstract: A disclosed electrolytic capacitor includes a capacitor element, and a liquid component. The capacitor element includes an anode body having a dielectric layer at a surface of the anode body, and a conductive polymer compound covering at least part of the dielectric layer. The liquid component contains an acid component, a base component, and a solvent. The solvent includes an organic compound having a hydroxy group, and the acid component includes an organic carboxylic acid compound. The base component includes at least one selected from the group consisting of a primary amine compound and a secondary amine compound.
    Type: Application
    Filed: July 29, 2021
    Publication date: August 17, 2023
    Inventors: Yuichiro TSUBAKI, Daisuke KUBO
  • Patent number: 11594380
    Abstract: An electrolytic capacitor includes a capacitor element, a case, and a sealing member. The case has an opening and houses the capacitor element. The sealing member seals the opening. The sealing member includes an elastic member that is fit in the opening. The elastic member includes a polymer component and a particle component. The polymer component includes at least butyl rubber. The particle component includes at least particles of kaolin. An average particle size of the particles of kaolin is less than or equal to 4 ?m.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: February 28, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Daisuke Kubo, Doyu Hachisu
  • Patent number: 11575095
    Abstract: Provided is a photoelectric conversion device including: a support; a charge-transporting layer including an organic charge-transporting material or a sensitizing dye electrode layer including an organic sensitizing dye, where the charge-transporting layer or the sensitizing dye electrode layer is disposed on the support; and a ceramic film disposed on the charge-transporting layer or the sensitizing dye electrode layer.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: February 7, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Daisuke Kubo, Hidetoshi Kami, Suzuka Nozoe, Tomoharu Asano, Tetsuya Toshine, Nozomu Tamoto, Yuuji Tanaka, Naomichi Kanei
  • Publication number: 20230013790
    Abstract: Disclosed is an electrolytic capacitor including: a capacitor element including a pair of electrodes; an electrolyte interposed between the pair of electrodes; a pair of leads electrically connected to the pair of electrodes, respectively; a case in which the capacitor element and the electrolyte are accommodated, and that has an opening; a sealing member that seals the opening, and has a pair of insertion holes for leading out the leads; an insulating plate having a pair of through holes for leading out the leads; and a resin member filled between the sealing member and the insulating plate, wherein the insulating plate has a resin bonding surface that abuts against the resin member, and a mounting surface opposed to the resin bonding surface, and includes at least one protrusion or recess on the resin bonding surface.
    Type: Application
    Filed: September 27, 2022
    Publication date: January 19, 2023
    Inventors: Miyoko MASUDA, Yuichiro TSUBAKI, Tatsuji AOYAMA, Daisuke KUBO
  • Patent number: 11482383
    Abstract: Disclosed is an electrolytic capacitor including: a capacitor element including a pair of electrodes; an electrolyte interposed between the pair of electrodes, a pair of leads electrically connected to the pair of electrodes, respectively; a case in which the capacitor element and the electrolyte are accommodated, and that has an opening, a sealing member that seals the opening, and has a pair of insertion holes for leading out the leads; an insulating plate having a pair of through holes for leading out the leads; and a resin member filled between the sealing member and the insulating plate, wherein the insulating plate has a resin bonding surface that abuts against the resin member, and a mounting surface opposed to the resin bonding surface, and includes at least one protrusion or recess on the resin bonding surface.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: October 25, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Miyoko Masuda, Yuichiro Tsubaki, Tatsuji Aoyama, Daisuke Kubo
  • Patent number: 11420997
    Abstract: The present invention has an object of shortening the process time and reducing use of a poor solvent for solidifying a carrier (Tag)-peptide component, by removing impurities without conducting solid-liquid separation (condensation, solid-liquid separation and drying operation) of a Tag-peptide component, in an Fmoc method using a Tag for liquid phase peptide synthesis.
    Type: Grant
    Filed: April 13, 2019
    Date of Patent: August 23, 2022
    Inventors: Hideaki Suzuki, Susumu Muto, Shuji Fujita, Daisuke Kubo
  • Publication number: 20220162404
    Abstract: Disclosed is a method for producing an electrolytic capacitor, the method including the steps of preparing an anode foil that includes a dielectric layer, a cathode foil, and a fiber structure; preparing a conductive polymer dispersion liquid that contains a conductive polymer component and a dispersion medium; producing a separator by applying the conductive polymer dispersion liquid to the fiber structure and then removing at least a portion of the dispersion medium; and producing a capacitor element by sequentially stacking the anode foil, the separator, and the cathode foil. The dispersion medium contains water. The fiber structure contains a synthetic fiber in an amount of 50 mass % or more. The fiber structure has a density of 0.2 g/cm3 or more and less than 0.45 g/cm3.
    Type: Application
    Filed: January 29, 2020
    Publication date: May 26, 2022
    Inventors: Daisuke KUBO, Hiroyuki ARIMA, Tomoyuki TASHIRO, Kazuhiro TAKATANI, Kenta CHASHIRO, Shumpei MATSUSHITA
  • Publication number: 20220102082
    Abstract: A method for producing an electrolytic capacitor, the method including steps of: preparing an electrode foil; preparing a first conductive polymer dispersion containing a first conductive polymer component and a first dispersion medium; forming a first conductive polymer layer containing the first conductive polymer component, by applying the first conductive polymer dispersion to a surface of the electrode foil by a coating method, and then at least partially removing the first dispersion medium; and fabricating a capacitor element, using the electrode foil having the first conductive polymer layer.
    Type: Application
    Filed: January 29, 2020
    Publication date: March 31, 2022
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Daisuke KUBO, Shumpei MATSUSHITA, Kenta CHASHIRO, Hiroyuki ARIMA
  • Publication number: 20210139532
    Abstract: The present invention has an object of shortening the process time and reducing use of a poor solvent for solidifying a carrier (Tag)-peptide component, by removing impurities without conducting solid-liquid separation (condensation, solid-liquid separation and drying operation) of a Tag-peptide component, in an Fmoc method using a Tag for liquid phase peptide synthesis.
    Type: Application
    Filed: April 13, 2019
    Publication date: May 13, 2021
    Applicant: JITSUBO Co., Ltd.
    Inventors: Hideaki SUZUKI, Susumu MUTO, Shuji FUJITA, Daisuke KUBO
  • Publication number: 20210142953
    Abstract: An electrolytic capacitor according to the present disclosure includes an anode body, a cathode body, a solid electrolyte, and a liquid component. The anode body has a surface provided with a dielectric layer. The solid electrolyte is in contact with the dielectric layer, is disposed between the anode body and the cathode body and contains conductive polymer. The liquid component is in contact with the dielectric layer and the solid electrolyte and contains a solvent and an acid component. The acid component contains a first polymer acid component including a sulfonic acid group or a carboxylic acid group.
    Type: Application
    Filed: July 26, 2019
    Publication date: May 13, 2021
    Inventors: Yuichiro TSUBAKI, Daisuke KUBO, Tatsuji AOYAMA
  • Publication number: 20210003931
    Abstract: Provided is a photoelectric conversion device including: a support; a charge-transporting layer including an organic charge-transporting material or a sensitizing dye electrode layer including an organic sensitizing dye, where the charge-transporting layer or the sensitizing dye electrode layer is disposed on the support; and a ceramic film disposed on the charge-transporting layer or the sensitizing dye electrode layer.
    Type: Application
    Filed: January 22, 2019
    Publication date: January 7, 2021
    Inventors: Daisuke KUBO, Hidetoshi KAMI, Suzuka NOZOE, Tomoharu ASANO, Tetsuya TOSHINE, Nozomu TAMOTO, Yuuji TANAKA, Naomichi KANEI
  • Publication number: 20200411252
    Abstract: Disclosed is an electrolytic capacitor including: a capacitor element including a pair of electrodes; an electrolyte interposed between the pair of electrodes, a pair of leads electrically connected to the pair of electrodes, respectively; a case in which the capacitor element and the electrolyte are accommodated, and that has an opening, a sealing member that seals the opening, and has a pair of insertion holes for leading out the leads; an insulating plate having a pair of through holes for leading out the leads; and a resin member filled between the sealing member and the insulating plate, wherein the insulating plate has a resin bonding surface that abuts against the resin member, and a mounting surface opposed to the resin bonding surface, and includes at least one protrusion or recess on the resin bonding surface.
    Type: Application
    Filed: August 31, 2018
    Publication date: December 31, 2020
    Inventors: Miyoko MASUDA, Yuichiro TSUBAKI, Tatsuji AOYAMA, Daisuke KUBO