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).
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Publication number: 20240118647Abstract: 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: ApplicationFiled: March 26, 2023Publication date: April 11, 2024Applicant: FUJIFILM Business Innovation Corp.Inventors: Yosuke KUBO, Hiroaki TANAKA, Shigeru FUKUDA, Daisuke TANEMURA, Masato ONO, Masato FURUKAWA, Masayuki SEKO, Koichi MATSUMOTO, Iori NISHIMURA
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Publication number: 20240118646Abstract: 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: ApplicationFiled: March 22, 2023Publication date: April 11, 2024Applicant: FUJIFILM Business Innovation Corp.Inventors: Hiroaki TANAKA, Daisuke TANEMURA, Masato FURUKAWA, Yosuke KUBO, Iori NISHIMURA, Masato ONO, Masayuki SEKO, Shigeru FUKUDA
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Patent number: 11945923Abstract: 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: GrantFiled: January 29, 2020Date of Patent: April 2, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Daisuke Kubo, Hiroyuki Arima, Tomoyuki Tashiro, Kazuhiro Takatani, Kenta Chashiro, Shumpei Matsushita
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Publication number: 20240087817Abstract: 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: ApplicationFiled: January 25, 2022Publication date: March 14, 2024Inventors: KENTA SATO, TOSHIFUMI KADOKAWA, JUNICHI KURITA, DAISUKE KUBO
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Publication number: 20230368983Abstract: 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: ApplicationFiled: October 25, 2021Publication date: November 16, 2023Inventors: MOMO KUSAKABE, YUKIHIRO SHIMASAKI, TAKASHI OHBAYASHI, JUNICHI KURITA, DAISUKE KUBO, KENJI KURANUKI
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Patent number: 11776762Abstract: 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: GrantFiled: September 27, 2022Date of Patent: October 3, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Miyoko Masuda, Yuichiro Tsubaki, Tatsuji Aoyama, Daisuke Kubo
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Patent number: 11769638Abstract: 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: GrantFiled: March 3, 2020Date of Patent: September 26, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Daisuke Kubo, Doyu Hachisu, Nobuyuki Matsuzawa, Miyoko Masuda
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Patent number: 11749464Abstract: 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: GrantFiled: July 26, 2019Date of Patent: September 5, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yuichiro Tsubaki, Daisuke Kubo, Tatsuji Aoyama
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Publication number: 20230260716Abstract: 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: ApplicationFiled: July 29, 2021Publication date: August 17, 2023Inventors: Yuichiro TSUBAKI, Daisuke KUBO
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Patent number: 11594380Abstract: 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: GrantFiled: November 13, 2019Date of Patent: February 28, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Daisuke Kubo, Doyu Hachisu
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Patent number: 11575095Abstract: 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: GrantFiled: January 22, 2019Date of Patent: February 7, 2023Assignee: Ricoh Company, Ltd.Inventors: Daisuke Kubo, Hidetoshi Kami, Suzuka Nozoe, Tomoharu Asano, Tetsuya Toshine, Nozomu Tamoto, Yuuji Tanaka, Naomichi Kanei
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Publication number: 20230013790Abstract: 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: ApplicationFiled: September 27, 2022Publication date: January 19, 2023Inventors: Miyoko MASUDA, Yuichiro TSUBAKI, Tatsuji AOYAMA, Daisuke KUBO
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Patent number: 11482383Abstract: 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: GrantFiled: August 31, 2018Date of Patent: October 25, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Miyoko Masuda, Yuichiro Tsubaki, Tatsuji Aoyama, Daisuke Kubo
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Patent number: 11420997Abstract: 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: GrantFiled: April 13, 2019Date of Patent: August 23, 2022Inventors: Hideaki Suzuki, Susumu Muto, Shuji Fujita, Daisuke Kubo
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Publication number: 20220162404Abstract: 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: ApplicationFiled: January 29, 2020Publication date: May 26, 2022Inventors: Daisuke KUBO, Hiroyuki ARIMA, Tomoyuki TASHIRO, Kazuhiro TAKATANI, Kenta CHASHIRO, Shumpei MATSUSHITA
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Publication number: 20220102082Abstract: 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: ApplicationFiled: January 29, 2020Publication date: March 31, 2022Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Daisuke KUBO, Shumpei MATSUSHITA, Kenta CHASHIRO, Hiroyuki ARIMA
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Publication number: 20210139532Abstract: 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: ApplicationFiled: April 13, 2019Publication date: May 13, 2021Applicant: JITSUBO Co., Ltd.Inventors: Hideaki SUZUKI, Susumu MUTO, Shuji FUJITA, Daisuke KUBO
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Publication number: 20210142953Abstract: 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: ApplicationFiled: July 26, 2019Publication date: May 13, 2021Inventors: Yuichiro TSUBAKI, Daisuke KUBO, Tatsuji AOYAMA
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Publication number: 20210003931Abstract: 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: ApplicationFiled: January 22, 2019Publication date: January 7, 2021Inventors: Daisuke KUBO, Hidetoshi KAMI, Suzuka NOZOE, Tomoharu ASANO, Tetsuya TOSHINE, Nozomu TAMOTO, Yuuji TANAKA, Naomichi KANEI
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Publication number: 20200411252Abstract: 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: ApplicationFiled: August 31, 2018Publication date: December 31, 2020Inventors: Miyoko MASUDA, Yuichiro TSUBAKI, Tatsuji AOYAMA, Daisuke KUBO