Patents by Inventor Susumu Saito

Susumu Saito 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: 11898018
    Abstract: To provide a liquid composition capable of forming a membrane excellent in durability against hydrogen peroxide or peroxide radicals and excellent in hydrogen gas barrier property; a polymer electrolyte membrane; a membrane electrode assembly; and a polymer electrolyte fuel cell. Liquid composition comprising a liquid medium, an acid-type sulfonic acid group-containing fluorocarbon polymer of which the hydrogen gas permeation coefficient under the conditions of a temperature of 80° C. and a relative humidity of 10% is at most 2.5×10?9 cm3·cm/(s·cm2·cmHg), and cerium atoms; a polymer electrolyte membrane 15 comprising the acid-type sulfonic acid group-containing fluorocarbon polymer, and cerium atoms; and a membrane electrode assembly 10 comprising an anode 13 having a catalyst layer, a cathode 14 having a catalyst layer, and the polymer electrolyte membrane 15 disposed between the anode 13 and the cathode 14.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: February 13, 2024
    Assignee: AGC Inc.
    Inventors: Takumi Okuyama, Takeshi Hirai, Susumu Saito, Chikaya Tamitsuji, Daisuke Jomuta
  • Publication number: 20240030473
    Abstract: The present invention provides an electrolyte material which can form crack-resistant catalyst layers when used in membrane electrode assemblies and enables provision of fuel cells having good power generation characteristics, a membrane electrode assembly and a polymer electrolyte fuel cell. The electrolyte material of the present invention is made of a polymer having ion exchange groups comprising units based on tetrafluoroethylene, units having an ion exchange group and no cyclic ether structure, units having a cyclic ether structure and units based on a monomer having at least two polymerizable unsaturated bonds.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 25, 2024
    Applicant: AGC INC.
    Inventors: Satoshi MATSUSHITA, Takumi OKUYAMA, Susumu SAITO
  • Publication number: 20240009658
    Abstract: A deodorizing catalyst containing a composite oxide and a metal component containing Pt supported on the composite oxide, and having a degree of reduction represented by the following formula (1) in a range of 60% to 86%: degree of reduction (%)=100?[X/Y]×100 (1), in which X represents a peak area obtained from a thermal conductivity detector (TCD) when the catalyst is dried and reduced by heating from 40° C. to 400° C., and Y represents a peak area obtained from the TCD when an oxidation catalyst obtained by heat-treating the catalyst in an air or under oxygen atmosphere at 150° C. for 2 hours and then cooling the catalyst to 40° C. or lower is reduced by heating from 40° C. to 400° C.
    Type: Application
    Filed: September 29, 2021
    Publication date: January 11, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Jun KAWAHARA, Naoshi NAGAI, Akihiro OKABE, Susumu SAITO, Shuji TAHARA
  • Patent number: 11851508
    Abstract: An acid-type sulfonic acid group-containing polymer containing perfluoromonomer units, no monomer units having a halogen atom other than a fluorine atom, and acid type sulfonic acid groups, whose hydrogen gas permeability coefficient under the conditions of a temperature of 80° C. and a relative humidity of 10% is at most 2.5×10?9 cm3·cm/(s·cm2·cmHg), and whose mass reduction rate when immersed in hot water at 120° C. for 24 hours is at most 15 mass %. Liquid composition, membrane electrode assembly, polymer electrolyte fuel cell, and ion exchange membrane utilizing the acid-type sulfonic acid group-containing polymer.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: December 26, 2023
    Assignee: AGC Inc.
    Inventors: Takeshi Hirai, Susumu Saito, Hiroyuki Watabe, Chikaya Tamitsuji, Daisuke Jomuta
  • Patent number: 11807800
    Abstract: Disclosed are a thermally conductive composition that contains 10 to 50 parts by mass of a thermoplastic resin (A) and 50 to 90 parts by mass of a metal oxide (B) such as magnesium oxide (a total of the thermoplastic resin (A) and the metal oxide (B) being 100 parts by mass), and a thermally conductive composition that contains a thermoplastic resin (A) and a metal oxide (B) such as magnesium oxide, in which a modified polyolefin-based wax (C) is further contained in an amount of 0.1 to 20 parts by mass with respect to 100 parts by mass of the thermoplastic resin (A), such thermally conductive compositions being useful for applications such as a container, a piece of tableware, a heat dissipating member, a water-circulating structure material, an electronic device casing, a timepiece exterior material, a tumbler, and a commodity for daily use.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: November 7, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Susumu Saito, Masatoshi Sasaki, Tateo Takashima
  • Patent number: 11771735
    Abstract: An object of the present invention is to provide a composition for preventing or improving fat deposition on the liver in spite of the alcohol intake history of a level that a liver disease is not caused. The inventors found that glutathione has an effect of preventing or improving fat deposition on the liver, which is not caused by alcohol, and completed the present invention. Among nonalcoholic fat diseases, the present invention is particularly effective in an early stage of the treatment or in a case where treatment for another disease is not performed.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: October 3, 2023
    Assignees: KOHJIN LIFE SCIENCES CO., LTD., PUBLIC UNIVERSITY CORPORATION YOKOHAMA CITY UNIVERSITY, KYOTO PREFECTURAL PUBLIC UNIVERSITY CORPORATION, SAGA UNIVERSITY
    Inventors: Takaomi Kessoku, Atsushi Nakajima, Yoshio Sumida, Yuichiro Eguchi, Susumu Saito, Yusuke Sauchi
  • Publication number: 20230307680
    Abstract: To provide an electrolyte material which has a high proton conductivity and which is excellent in hot water resistance. An electrolyte material which is formed of a polymer H having units represented by the formula u1 and units based on tetrafluoroethylene, wherein the polymer H has an equivalent weight EW of from 400 to 550 g/eq, and the mass reduction ratio when immersed in hot water at 120° C. for 24 hours is at most 15 mass %: wherein Q11 is a perfluoroalkylene group which may have an etheric oxygen atom, Q12 is a single bond or a perfluoroalkylene group which may have an etheric oxygen atom, Y1 is a fluorine atom or the like, s is 0 or 1, Rf1 is a perfluoroalkyl group which may have an etheric oxygen atom, X1 is an oxygen atom or the like, a is 0 when X1 is an oxygen atom, and Z+ is H+ or the like.
    Type: Application
    Filed: May 30, 2023
    Publication date: September 28, 2023
    Applicant: AGC Inc.
    Inventors: Susumu SAITO, Satoru HOMMURA, Takeshi HIRAI
  • Publication number: 20230238558
    Abstract: To provide a membrane electrode assembly capable of forming a fuel cell excellent in power generation efficiency, and a polymer electrolyte fuel cell. The membrane electrode assembly of the present invention comprises an anode having a catalyst layer containing a proton-conducting polymer and a catalyst, a cathode having a catalyst layer containing a proton-conducting polymer and a catalyst, and a solid polymer electrolyte membrane disposed between the anode and the cathode, wherein the proton-conducting polymer contained in the catalyst layer of at least one of the anode and the cathode, is a polymer (H) having a cyclic ether structural unit and an ion exchange group, and the solid polymer electrolyte membrane contains a fluorinated polymer (S) having an ion exchange group; and the thickness of the solid polymer electrolyte membrane is from 5 to 15 ?m, and the ratio of the content M1 [mol %] of the cyclic ether structure unit to the thickness T1 [?m] of the solid polymer electrolyte membrane is 4.5 or more.
    Type: Application
    Filed: April 4, 2023
    Publication date: July 27, 2023
    Applicant: AGC INC.
    Inventors: Masako KAWAMOTO, Susumu SAITO
  • Publication number: 20230005798
    Abstract: The present disclosure is a substrate processing apparatus including: a chamber configured to accommodate a substrate; a heat source configured to heat-treat the substrate; a heat ray sensor provided outside the chamber and configured to receive infrared rays radiated from the substrate; and an infrared ray transmission window provided in the chamber and configured to transmit an infrared ray having a wavelength greater than or equal to 8 ?m to the heat ray sensor.
    Type: Application
    Filed: November 12, 2020
    Publication date: January 5, 2023
    Inventor: Susumu SAITO
  • Patent number: 11525856
    Abstract: An inspection apparatus for inspecting a backside irradiation type imaging device formed on an inspection object includes: a stage on which the inspection object is mounted such that the stage faces a rear surface of the backside irradiation type imaging device, wherein the stage includes: a transmitter including a flat plate formed of a light transmitting material, and configured to mount the inspection object on the transmitter; and a light emitter disposed at a location facing the inspection object with the transmitter interposed between the light emitter and the inspection object, and configured to emit light toward the transmitter, and wherein the transmitter transmits the light from the light emitter while diffusing the light.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: December 13, 2022
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Naoki Akiyama, Susumu Saito, Hiroyuki Nakayama, Shigeru Kasai
  • Patent number: 11482175
    Abstract: A display driver comprises gamma processing circuitry, compensation circuitry, and driver circuitry. The gamma processing circuitry is configured to process the image data to generate gamma processed image data. The compensation circuitry is configured to process the gamma-processed image data, based on a ratio of a number of display elements that emit light to a total number of display elements of a display panel, to generate compensated image data. The driver circuitry is configured to drive the display panel based on the compensated image data.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: October 25, 2022
    Assignee: Synaptics Incorporated
    Inventors: Akio Sugiyama, Takashi Nose, Hirobumi Furihata, Masao Orio, Susumu Saito
  • Publication number: 20220336238
    Abstract: A heating/cooling device includes: a chamber; a plurality of substrate holders provided inside the chamber to support substrates; a plurality of LED light sources provided outside the chamber to irradiate the substrates held on the substrate holders with LED light having a wavelength that heats the substrates; a plurality of transmission windows provided between the plurality of substrate holders and the plurality of LED light sources to transmit the LED light radiated from the LED light sources; and a plurality of gas distribution parts provided inside the chamber to distribute and supply a cooling gas to the substrates held on the substrate holders.
    Type: Application
    Filed: August 6, 2020
    Publication date: October 20, 2022
    Inventors: Shosuke ENDO, Yohei MIDORIKAWA, Yohei NAKAGOMI, Yoshihiro KOBAYASHI, Yasuo NAKATANI, Susumu SAITO, Chanseong AHN, Yuta TAKAHASHI, Takahiro KIJIMA
  • Patent number: 11435201
    Abstract: An information processing system and an information processing device that are capable of reflecting an emotion of a user and performing route search. In an information processing system including a search unit that performs the route search on the basis of route search information that is input, to output a result searched by the search unit, the search unit performs the route search on the basis of the route search information, and emotion information obtained from an artificial intelligence module that generates an emotion of the same quality as in an emotion of a searcher.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: September 6, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yusuke Yamagishi, Kazuhiro Ito, Yoji Motegi, Susumu Saito, Shinji Kawasaki
  • Publication number: 20220251264
    Abstract: The present invention provides a fluoropolymer containing fluorosulfonyl groups capable of forming a polymer electrolyte membrane with high conductivity and hot water resistance, a method for its production, a fluoropolymer containing acid-form sulfonic acid groups and a method for its production, a polymer electrolyte membrane, a membrane-electrode assembly and a polymer electrolyte fuel cell. The method for producing a fluoropolymer containing fluorosulfonyl groups of the present invention comprises copolymerizing a monomer m1 (CF2?CFCF2O-Q1-SO2F) and TFE in a reactor at a temperature of from 150 to 200° C. in the presence of a radical polymerization initiator, wherein the radical polymerization initiator is continuously or sequentially added into the reactor so that the concentration of the radical polymerization initiator is kept to at most 2.
    Type: Application
    Filed: April 20, 2022
    Publication date: August 11, 2022
    Applicant: AGC INC.
    Inventors: Takeshi HIRAI, Susumu SAITO, Hiroyuki WATABE
  • Patent number: 11394045
    Abstract: To provide an electrolyte material having a low hydrogen gas permeability and excellent hot water resistance. An electrolyte material comprising a polymer having units represented by the following formula u1 and units based on chlorotrifluoroethylene at the specific proportion: wherein Q11 is a perfluoroalkylene group which may have an etheric oxygen atom, Q12 is a single bond or a perfluoroalkylene group which may have an etheric oxygen atom, Y1 is a fluorine atom or the like, s is 0 or 1, Rf1 is a perfluoroalkyl group which may have an etheric oxygen atom, X1 is an oxygen atom or the like, a is 0 when X1 is an oxygen, and Z+ is H+ or the like.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: July 19, 2022
    Assignee: AGC Inc.
    Inventors: Susumu Saito, Satoru Hommura
  • Patent number: 11274168
    Abstract: To provide a monomer composition in which the solubility of the polymerization inhibitor in the cyclic monomer is good, the stability of the cyclic monomer during storage is good, and the cyclic monomer and the polymerization inhibitor are easily separated by distillation; and a method for producing a high molecular weight fluorinated polymer from the monomer composition.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: March 15, 2022
    Assignee: AGC Inc.
    Inventors: Susumu Saito, Wakako Hashimoto
  • Publication number: 20220072083
    Abstract: An object of the present invention is to provide a composition for preventing or improving fat deposition on the liver in spite of the alcohol intake history of a level that a liver disease is not caused. The inventors found that glutathione has an effect of preventing or improving fat deposition on the liver, which is not caused by alcohol, and completed the present invention. Among nonalcoholic fat diseases, the present invention is particularly effective in an early stage of the treatment or in a case where treatment for another disease is not performed.
    Type: Application
    Filed: November 19, 2021
    Publication date: March 10, 2022
    Applicants: KOHJIN LIFE SCIENCES CO., LTD., PUBLIC UNIVERSITY CORPORATION YOKOHAMA CITY UNIVERSITY, KYOTO PREFECTURAL PUBLIC UNIVERSITY CORPORATION, SAGA UNIVERSITY
    Inventors: Takaomi KESSOKU, Atsushi NAKAJIMA, Yoshio SUMIDA, Yuichiro EGUCHI, Susumu SAITO, Yusuke SAUCHI
  • Publication number: 20220006111
    Abstract: To provide a membrane electrode assembly which can suppress cracking of the catalyst layers. The membrane electrode assembly of the present invention is a membrane electrode assembly comprising an anode having a catalyst layer containing a proton-conductive polymer, a cathode having a catalyst layer containing a proton-conductive polymer, and a polymer electrolyte membrane disposed between the anode and the cathode, wherein the proton-conductive polymer contained in the catalyst layer of at least one of the anode and the cathode is a polymer (H) having units containing a cyclic ether structure and sulfonic acid-type functional groups, and the polymer electrolyte membrane contains a porous material containing a fluorinated polymer, and a fluorinated polymer (S) having sulfonic acid-type functional groups.
    Type: Application
    Filed: September 13, 2021
    Publication date: January 6, 2022
    Applicant: AGC Inc.
    Inventor: Susumu SAITO
  • Patent number: 11207371
    Abstract: An object of the present invention is to provide a composition for preventing or improving fat deposition on the liver in spite of the alcohol intake history of a level that a liver disease is not caused. The inventors found that glutathione has an effect of preventing or improving fat deposition on the liver, which is not caused by alcohol, and completed the present invention. Among nonalcoholic fat diseases, the present invention is particularly effective in an early stage of the treatment or in a case where treatment for another disease is not performed.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: December 28, 2021
    Assignees: KOHJIN LIFE SCIENCES CO., LTD., PUBLIC UNIVERSITY CORPORATION YOKOHAMA CITY UNIVERSITY, KYOTO PREFECTURAL PUBLIC UNIVERSITY CORPORATION, SAGA UNIVERSITY
    Inventors: Takaomi Kessoku, Atsushi Nakajima, Yoshio Sumida, Yuichiro Eguchi, Susumu Saito, Yusuke Sauchi
  • Publication number: 20210389366
    Abstract: In an inspection apparatus for inspecting an inspection target device formed on an inspection object, the inspection target device is a back-illuminated imaging device into which light is incident from a rear surface opposite to a side of a wiring layer. The inspection apparatus includes a stage having the inspection object placed such that the inspection object faces the rear surface. The stage includes a light transmitter made of a light-transmissive material. The inspection object is placed on the light transmitter below which a light illuminator is disposed. The light illuminator includes a flat light guide plate having a facing surface facing the inspection object. A light source is provided laterally outside the light guide plate configured to diffuse light emitted from the light source incident from a side end surface of the light guide plate, and to emit the light as planar light from the facing surface.
    Type: Application
    Filed: October 17, 2019
    Publication date: December 16, 2021
    Inventors: Naoki AKIYAMA, Susumu SAITO, Hiroyuki NAKAYAMA, Shigeru KASAI