Patents by Inventor Takahiro Ikegami

Takahiro Ikegami 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: 11628464
    Abstract: Provided is an inkjet application device (1) including a distribution flow path for the liquid material, the distribution flow path including a first flow channel (4) configured to supply the liquid material pumped with a pump (2) to a supply tank (3) and a second flow channel (6) configured to supply the liquid material in the supply tank (3) to the inkjet head (5), wherein the supply tank (3) accommodates a filter (40), which is configured to allow the particles in the liquid material to pass therethrough without allowing air bubbles in the liquid material, which are generated by the pumping of the pump (2), to pass therethrough.
    Type: Grant
    Filed: December 25, 2017
    Date of Patent: April 18, 2023
    Assignee: KABUSHIKI KAISHA ISHII HYOKI
    Inventors: Seiji Masunari, Mikio Kuwada, Yoshinori Murakami, Tomoko Hosokawa, Takahiro Ikegami, Hideyuki Nakatani, Mamoru Baba
  • Publication number: 20220200015
    Abstract: An electrode for a redox flow battery through which an electrolyte is circulated includes a porous body, and reactive particles that contribute to a battery reaction. The reactive particles are pressed against the porous body by a flow of the electrolyte without being immobilized on the porous body.
    Type: Application
    Filed: February 20, 2020
    Publication date: June 23, 2022
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Takahiro IKEGAMI, Yongrong DONG, Masayuki OYA, Ryojun SEKINE
  • Publication number: 20220140355
    Abstract: To provide a carbon electrode material which is capable of decreasing cell resistance during initial charging and discharging while improving oxidation resistance to Mn ions. A carbon electrode material for a redox flow battery, including carbon fibers (A), graphite particles (B), and a carbon material (C) for binding the carbon fibers (A) and the graphite particles (B), the carbon electrode material satisfying (1) Lc(C), (2) Lc(C)/Lc(A), (3) an average curvature of the carbon fibers (A), and (4) a number of oxygen atoms bound to a surface of the carbon electrode material.
    Type: Application
    Filed: March 6, 2020
    Publication date: May 5, 2022
    Applicants: TOYOBO CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryouhei Iwahara, Masaru Kobayashi, Takahiro Matsumura, Kana Morimoto, Masayuki Oya, Yongrong Dong, Kenichi Itou, Takahiro Ikegami
  • Patent number: 11149603
    Abstract: In order to provide an exhaust gas purification catalyst capable of purifying hydrocarbons, carbon monoxide, and nitrogen oxides in exhaust gas at low temperatures, the exhaust gas purification catalyst according to the present invention includes: a region (2) containing palladium and yttrium on a three-dimensional structure (1), and a first region (3) and a second region (4) provided on the region (2) in order from an inflow side of exhaust gas to an outflow side of exhaust gas. The concentration of yttrium contained in the first region (3) and/or the second region (4) is higher than the concentration of yttrium contained in the region (2).
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: October 19, 2021
    Assignee: UMICORE SHOKUBAI JAPAN CO., LTD.
    Inventors: Hirotaka Kuno, Masashi Nakashima, Takahiro Ikegami, Kosuke Mikita, Masanori Ikeda, Shigekazu Minami
  • Patent number: 11141713
    Abstract: In order to provide an exhaust gas purification catalyst capable of purifying hydrocarbons, carbon monoxide, and nitrogen oxides in exhaust gas at low temperatures, the exhaust gas purification catalyst according to the present invention includes: a region (2) containing palladium on a three-dimensional structure (1), and a first region (3) and a second region (4) provided on the region (2) in order from an inflow side of exhaust gas to an outflow side of exhaust gas. The concentration of rhodium contained in the first region (3) is higher than the concentration of rhodium contained in the second region (4).
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: October 12, 2021
    Assignee: UMICORE SHOKUBAI JAPAN CO., LTD.
    Inventors: Hirotaka Kuno, Takahiro Ikegami, Kosuke Mikita, Masashi Nakashima, Shigekazu Minami, Masanori Ikeda
  • Publication number: 20210121909
    Abstract: Provided is an inkjet application device (1) including a distribution flow path for the liquid material, the distribution flow path including a first flow channel (4) configured to supply the liquid material pumped with a pump (2) to a supply tank (3) and a second flow channel (6) configured to supply the liquid material in the supply tank (3) to the inkjet head (5), wherein the supply tank (3) accommodates a filter (40), which is configured to allow the particles in the liquid material to pass therethrough without allowing air bubbles in the liquid material, which are generated by the pumping of the pump (2), to pass therethrough.
    Type: Application
    Filed: December 25, 2017
    Publication date: April 29, 2021
    Inventors: Seiji MASUNARI, Mikio KUWADA, Yoshinori MURAKAMI, Tomoko HOSOKAWA, Takahiro IKEGAMI, Hideyuki NAKATANI, Mamoru BABA
  • Publication number: 20210126263
    Abstract: A redox flow battery electrode includes a substrate and a catalytic unit supported on the substrate. The substrate contains at least one element selected from the group consisting of C, Ti, Sn, Ta, Ce, In, W, and Zn, and the catalytic unit contains at least one element selected from the group consisting of Fe, Si, Mo, Ce, Mn, Cu, and W.
    Type: Application
    Filed: April 25, 2019
    Publication date: April 29, 2021
    Applicant: Sumitomo Electric Industries, Ltd.
    Inventors: Takahiro IKEGAMI, Yong-rong DONG, Masayuki OYA, Ryojun SEKINE
  • Publication number: 20200129962
    Abstract: In order to provide an exhaust gas purification catalyst capable of purifying hydrocarbons, carbon monoxide, and nitrogen oxides in exhaust gas at low temperatures, the exhaust gas purification catalyst according to the present invention includes: a region (2) containing palladium on a three-dimensional structure (1), and a first region (3) and a second region (4) provided on the region (2) in order from an inflow side of exhaust gas to an outflow side of exhaust gas. The concentration of rhodium contained in the first region (3) is higher than the concentration of rhodium contained in the second region (4).
    Type: Application
    Filed: April 26, 2018
    Publication date: April 30, 2020
    Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.
    Inventors: Hirotaka KUNO, Takahiro IKEGAMI, Kosuke MIKITA, Masashi NAKASHIMA, Shigekazu MINAMI, Masanori IKEDA
  • Publication number: 20200049042
    Abstract: In order to provide an exhaust gas purification catalyst capable of purifying hydrocarbons, carbon monoxide, and nitrogen oxides in exhaust gas at low temperatures, the exhaust gas purification catalyst according to the present invention includes: a region (2) containing palladium and yttrium on a three-dimensional structure (1), and a first region (3) and a second region (4) provided on the region (2) in order from an inflow side of exhaust gas to an outflow side of exhaust gas. The concentration of yttrium contained in the first region (3) and/or the second region (4) is higher than the concentration of yttrium contained in the region (2).
    Type: Application
    Filed: April 26, 2018
    Publication date: February 13, 2020
    Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.
    Inventors: Hirotaka KUNO, Masashi NAKASHIMA, Takahiro IKEGAMI, Kosuke MIKITA, Masanori IKEDA, Shigekazu MINAMI
  • Patent number: 9539542
    Abstract: Provided is a catalyst for purifying an exhaust gas, the catalyst excelling in catalytic performance and oxygen storage capacity. The catalyst for purifying an exhaust gas is a catalyst for purifying an exhaust gas which includes a ceria-zirconia composite oxide having a pyrochlore structure and a ceria-zirconia composite oxide having a cubic crystal structure, wherein at least a part of the ceria-zirconia composite oxide is composited with the ceria-zirconia composite oxide.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: January 10, 2017
    Assignee: UMICORE SHOKUBAI JAPAN CO., LTD.
    Inventors: Kosuke Mikita, Masanori Ikeda, Shinji Sugihara, Hideki Goto, Takahiro Ikegami
  • Patent number: 8808653
    Abstract: PROBLEM The present invention is directed to provide a catalyst for purifying exhaust gas capable of maintaining a superior catalytic performance even when the catalyst is exposed to an exhaust gas at a high temperature of 800° C. or higher. SOLUTION The catalyst for purifying exhaust gas of the present invention comprises a catalytically active component containing a noble metal and a promoter containing an oxygen storage material both being supported on a carrier. The oxygen storage material comprises cerium, zirconium, and iron, and content of iron in the oxygen storage material is 0.01% by mass or more and less than 0.70% by mass (Fe2O3 conversion) relative to the total mass of the oxygen storage material. And the oxygen storage material is (a) a complex oxide or a solid solution of iron and a metal comprising cerium and zirconium; or (b) an iron is supported on a complex oxide or a solid solution of a metal comprising cerium and zirconium.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: August 19, 2014
    Assignees: Umicore Shokubai Japan Co., Ltd., Umicore Shokubai USA Inc.
    Inventors: Kosuke Mikita, Takahiro Ikegami, Masanori Ikeda, Hideki Goto
  • Publication number: 20140037524
    Abstract: Provided is a catalyst for purifying an exhaust gas, the catalyst excelling in catalytic performance and oxygen storage capacity. The catalyst for purifying an exhaust gas is a catalyst for purifying an exhaust gas which includes a ceria-zirconia composite oxide having a pyrochlore structure and a ceria-zirconia composite oxide having a cubic crystal structure, wherein at least a part of the ceria-zirconia composite oxide is composited with the ceria-zirconia composite oxide.
    Type: Application
    Filed: January 27, 2012
    Publication date: February 6, 2014
    Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.
    Inventors: Kosuke Mikita, Masanori Ikeda, Shinji Sugihara, Hideki Goto, Takahiro Ikegami
  • Patent number: 8465711
    Abstract: An exhaust gas purification catalyst of the present invention contains at least a precious metal coated with lanthanum-containing alumina. In at least one embodiment, it is possible to provide: an exhaust gas purification catalyst which can (i) have an increase in heat resistance, and (ii) inhibit the precious metal from being mixed in alumina and therefore inhibit the precious metal from forming a solid solution in combination with alumina; and a method for efficiently purifying, by use of the catalyst, an exhaust gas emitted from an internal-combustion engine.
    Type: Grant
    Filed: August 27, 2009
    Date of Patent: June 18, 2013
    Assignees: Umicore Shokubai Japan Co., Ltd., Umicore Shokubai USA Inc.
    Inventors: Masanori Ikeda, Kosuke Mikita, Takahiro Ikegami, Yuji Ogino, Hideki Goto
  • Publication number: 20120027654
    Abstract: PROBLEM The present invention is directed to provide a catalyst for purifying exhaust gas capable of maintaining a superior catalytic performance even when the catalyst is exposed to an exhaust gas at a high temperature of 800° C. or higher. SOLUTION The catalyst for purifying exhaust gas of the present invention comprises a catalytically active component containing a noble metal and a promoter containing an oxygen storage material both being supported on a carrier. The oxygen storage material comprises cerium, zirconium, and iron, and content of iron in the oxygen storage material is 0.01% by mass or more and less than 0.70% by mass (Fe2O3 conversion) relative to the total mass of the oxygen storage material. And the oxygen storage material is (a) a complex oxide or a solid solution of iron and a metal comprising cerium and zirconium; or (b) an iron is supported on a complex oxide or a solid solution of a metal comprising cerium and zirconium.
    Type: Application
    Filed: March 4, 2010
    Publication date: February 2, 2012
    Applicants: International Catalyst Technology, Inc., ICT Co., Ltd.
    Inventors: Kosuke Mikita, Takahiro Ikegami, Masanori Ikeda, Hideki Goto
  • Publication number: 20110165045
    Abstract: An exhaust gas purification catalyst of the present invention contains at least a precious metal coated with lanthanum-containing alumina. In at least one embodiment, it is possible to provide: an exhaust gas purification catalyst which can (i) have an increase in heat resistance, and (ii) inhibit the precious metal from being mixed in alumina and therefore inhibit the precious metal from forming a solid solution in combination with alumina; and a method for efficiently purifying, by use of the catalyst, an exhaust gas emitted from an internal-combustion engine.
    Type: Application
    Filed: August 27, 2009
    Publication date: July 7, 2011
    Inventors: Masanori Ikeda, Kosuke Mikita, Takahiro Ikegami, Yuji Ogino, Hideki Goto