Patents by Inventor Hiroki Masuda

Hiroki Masuda 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: 20240368744
    Abstract: The steel material consists of, in mass %, C: 0.25% to 0.35%, Si: 0.05 to 0.35%, Mn: 0.85 to 1.20%, P: 0.080% or less, S: 0.030 to 0.100%, Cr: 0.10% or less, Ti: 0.050% or less, Al: 0.050% or less, N: 0.005 to 0.024%, and O: 0.0100% or less, with the balance being Fe and impurities, and Fn1 defined in the specification is 1.00 to 2.05, and Fn2 defined in the specification is 0.42 to 0.60. A surface number density of MnS single inclusions and MnS composite inclusions having an equivalent circular diameter of 5.0 ?m or more is 20/mm2 or more. A ratio of the total number of MnS single inclusions and MnS composite inclusions with respect to the total number of inclusions is 70% or more. A ratio of the number of MnS composite oxides with respect to the total number of oxides is 30% or more.
    Type: Application
    Filed: May 26, 2021
    Publication date: November 7, 2024
    Inventors: Motoki TAKASUGA, Shigefumi NISHITANI, Masato YUYA, Hitoshi MATSUMOTO, Shota HAMA, Hiroki MASUDA, Hideki MATSUDA, Hiromasa TAKAHASHI
  • Publication number: 20240240048
    Abstract: A polyrotaxane represented by Formula (1): wherein R1 is a hydrogen atom or a methyl group, m is 1 to 2000, and n is 10 to 500, is a cyclodextrin in which at least one hydroxyl group is modified with a group represented by —X—NH2, and X is a divalent organic group.
    Type: Application
    Filed: November 22, 2021
    Publication date: July 18, 2024
    Applicants: DENKA COMPANY LIMITED, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
    Inventors: Ruriko AOYAMA SEKIYA, Yoshinori ARISAKA, Nobuhiko YUI, Takanori IWATA, Tetsuya YODA, Masahiro HAKARIYA, Hiroki MASUDA
  • Patent number: 12038079
    Abstract: A worm shaft includes: an insertion portion; a wall surface; a tapered portion; and a main body portion, the gear portion is formed on the main body portion and the tapered portion such that a bottom land of the gear portion is positioned at radially outer side of a line extending in parallel with a rotation center axis of the worm shaft and passing through a boundary between the wall surface and the tapered portion.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: July 16, 2024
    Assignee: KYB CORPORATION
    Inventors: Hiroki Masuda, Yoshimasa Inaba
  • Patent number: 11949112
    Abstract: A current collector layer for an all-solid-state battery is provided with which a good electron path can be easily formed and rate characteristic can be improved. A current collector layer 5 for an all-solid-state battery 1, the current collector layer 5 including: a carbon material; and a solid electrolyte, the all-solid-state battery 1 including a group 1 or 2 ion conductive solid electrolyte layer 2, the carbon material being mixed with Si at a weight ratio of 1:1 to produce a mixture, the mixture having an X-ray diffraction spectrum having a ratio of a peak height a to a peak height b, a/b, of 0.2 or more and 10.0 or less as being measured, the peak height a being highest in a range of 2? of 24° or more and less than 28°, and the peak height b being highest in a range of 2? of 28° or more and less than 30°.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: April 2, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuuki Sawada, Hiroki Masuda
  • Publication number: 20240034836
    Abstract: A coating agent including a polyrotaxane represented by Formula (1): wherein R1 is a hydrogen atom or a methyl group, m is 1 to 2000, and n is 10 to 500, is a cyclodextrin in which at least one hydroxyl group is modified with R2, and R2 is a C1-6 alkyl group.
    Type: Application
    Filed: November 10, 2021
    Publication date: February 1, 2024
    Applicants: DENKA COMPANY LIMITED, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
    Inventors: Ruriko AOYAMA SEKIYA, Nobuhiko YUI, Yoshinori ARISAKA, Tetsuya YODA, Hiroki MASUDA
  • Patent number: 11878740
    Abstract: A clearance is created between an inner circumference of a bushing main body (2) which surrounds a rack (5) across a row of rack gear teeth (50) and an outer circumference of the rack (5), and two supporting surfaces (21A, 21B) which face each other with a bushing main body axis O therebetween and a supporting surface (21C) which faces a back surface of the rack (5), each extending along an x-axis direction, are formed on the inner circumference of the bushing main body (2). The rack (5) in a neutral state is supported by the two supporting surfaces (21A, 21B) so as to be displaceable along a z-axis direction, and the rack (5) in operation is stably supported by the three supporting surfaces (21A-21C) at three places.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: January 23, 2024
    Assignees: MAZDA MOTOR CORPORATION, KYB CORPORATION, OILES CORPORATION
    Inventors: Gaku Ikeyama, Kazuya Sato, Junya Kuwagaki, Yoshimitsu Fumimoto, Masaki Takahashi, Tomonori Taniguchi, Takuzo Ito, Mitsuhiko Fujikake, Hiroki Masuda, Hiroyuki Kikuchi, Jun Ouchi, Kazuhiko Akeda
  • Publication number: 20230416682
    Abstract: A coating agent for promoting osteoblast differentiation and/or adipocyte differentiation of mesenchymal stem cells, the coating agent comprising a polyrotaxane represented by Formula (1): wherein R1 is a hydrogen atom or a methyl group, m is 1 to 2000, and n is 10 to 500, is a cyclodextrin in which at least one hydroxyl group is modified with a group represented by —X—Y, X is a divalent organic group, and Y is a hydroxyl group or a sulfo group.
    Type: Application
    Filed: November 22, 2021
    Publication date: December 28, 2023
    Applicants: DENKA COMPANY LIMITED, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
    Inventors: Ruriko AOYAMA SEKIYA, Yoshinori ARISAKA, Nobuhiko YUI, Takanori IWATA, Tetsuya YODA, Masahiro HAKARIYA, Hiroki MASUDA
  • Publication number: 20230065099
    Abstract: The interlayer film for laminated glass according to the present invention includes at least one graphene-based material selected from the group consisting of graphene and graphite.
    Type: Application
    Filed: March 30, 2021
    Publication date: March 2, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko NAKAYAMA, Hiroki MASUDA
  • Publication number: 20220243798
    Abstract: A worm shaft includes: an insertion portion; a wall surface; a tapered portion; and a main body portion, the gear portion is formed on the main body portion and the tapered portion such that a bottom land of the gear portion is positioned at radially outer side of a line extending in parallel with a rotation center axis of the worm shaft and passing through a boundary between the wall surface and the tapered portion.
    Type: Application
    Filed: March 3, 2020
    Publication date: August 4, 2022
    Applicant: KYB Corporation
    Inventors: Hiroki MASUDA, Yoshimasa INABA
  • Publication number: 20220194461
    Abstract: A clearance is created between an inner circumference of a bushing main body (2) which surrounds a rack (5) across a row of rack gear teeth (50) and an outer circumference of the rack (5), and two supporting surfaces (21A, 21B) which face each other with a bushing main body axis O therebetween and a supporting surface (21C) which faces a back surface of the rack (5), each extending along an x-axis direction, are formed on the inner circumference of the bushing main body (2). The rack (5) in a neutral state is supported by the two supporting surfaces (21A, 21B) so as to be displaceable along a z-axis direction, and the rack (5) in operation is stably supported by the three supporting surfaces (21A-21C) at three places.
    Type: Application
    Filed: April 2, 2020
    Publication date: June 23, 2022
    Inventors: Gaku IKEYAMA, Kazuya SATO, Junya KUWAGAKI, Yoshimitsu FUMIMOTO, Masaki TAKAHASHI, Tomonori TANIGUCHI, Takuzo ITO, Mitsuhiko FUJIKAKE, Hiroki MASUDA, Hiroyuki KIKUCHI, Jun OOUCHI, Kazuhiko AKEDA
  • Publication number: 20210265633
    Abstract: There is provided a carbon material capable of enhancing the capacity of a power storage device and battery characteristics such as rate characteristics and cycle characteristics. The carbon material is one having a graphene layered structure, in which: a BET specific surface area of the carbon material is 1 m2/g or more and 25 m2/g or less; and when a particle concentration of the carbon material and an integrated value of particle areas of the carbon material are measured by a flow-type particle image analyzer using an N-methyl-2-pyrrolidone solution containing 20 ppm of the carbon material, the particle concentration of the carbon material is 3,000 particles/?L or more and 50,000 particles/?L or less, and the integrated value of the particle areas of the carbon material is 1,000 mm2/mg or more and 10,000 mm2/mg or less.
    Type: Application
    Filed: June 19, 2019
    Publication date: August 26, 2021
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuho UCHIDA, Akihiko FUJIWARA, Hiroki MASUDA, Yuuki SAWADA
  • Publication number: 20210184219
    Abstract: A current collector layer for an all-solid-state battery is provided with which a good electron path can be easily formed and rate characteristic can be improved. A current collector layer 5 for an all-solid-state battery 1, the current collector layer 5 including: a carbon material; and a solid electrolyte, the all-solid-state battery 1 including a group 1 or 2 ion conductive solid electrolyte layer 2, the carbon material being mixed with Si at a weight ratio of 1:1 to produce a mixture, the mixture having an X-ray diffraction spectrum having a ratio of a peak height a to a peak height b, a/b, of 0.2 or more and 10.0 or less as being measured, the peak height a being highest in a range of 2? of 24° or more and less than 28°, and the peak height b being highest in a range of 2? of 28° or more and less than 30°.
    Type: Application
    Filed: April 24, 2019
    Publication date: June 17, 2021
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuuki SAWADA, Hiroki MASUDA
  • Patent number: 11019312
    Abstract: A light source device includes: a first light emitting element that emits first wavelength band light; a fluorescence wheel including a fluorescence emission region with which fluorescence excited by the first wavelength band light is emitted as second wavelength band light; a second light emitting element that emits third wavelength band light; a combining unit that combines the first wavelength band light, the second wavelength band light, and the third wavelength band light; a color wheel; and a CPU that controls the first light emitting element, the second light emitting element, the fluorescence wheel, and the color wheel, wherein the CPU performs synchronization control on the fluorescence wheel and the color wheel, and performs control to shift a synchronization position of the color wheel with respect to the fluorescence wheel in accordance with an output mode.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: May 25, 2021
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Hiroki Masuda, Masahiro Ogawa, Osamu Umamine, Tetsuro Narikawa
  • Patent number: 10998551
    Abstract: There is provided an electrode material for electricity storage devices, which enables suppression of heat generation in charge and discharge at large currents. The electrode material for electricity storage devices comprises a first carbon material having a graphite structure wherein graphite is partially exfoliated, and a second carbon material different from the first carbon material, wherein the ratio A/B, where A represents a weight of the first carbon material and B represents a weight of the second carbon material, is within the range of 0.01 or higher and 100 or lower.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: May 4, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuuki Sawada, Hiroki Masuda, Akira Nakasuga, Akihiko Fujiwara, Takuya Wada
  • Patent number: 10976650
    Abstract: A light source unit includes: a first light emitting element configured to emit a first wavelength band light; a second light emitting element configured to emit a second wavelength band light; a luminescent wheel configured to have a first fluorescent light emitting region irradiated with the second wavelength band light to emit a third wavelength band light, and a second fluorescent light emitting region that emits a fourth wavelength band light including a wavelength band of the first wavelength band light and the third wavelength band light having a wavelength band adjacent to the first wavelength band light being provided in parallel in a circumferential direction; a color wheel configured to have a second transmissive region that transmits the first wavelength band light to the fourth wavelength band light, and a third transmissive region that transmits only the first wavelength band light or transmits only the first wavelength band light and the second wavelength band light being installed in parallel
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: April 13, 2021
    Assignee: CASIO COMPUTER CO., LTD
    Inventor: Hiroki Masuda
  • Patent number: 10861364
    Abstract: A projector includes a light source unit having a first light source emitting first wavelength range light and a luminescent wheel having a first wavelength range light transmission area and a luminescent material area receiving the first wavelength range light and reflecting second different wavelength range light provided circumferentially end to end, a light source control unit controlling the light source unit, a display device receiving light from the light source unit to form image light, a pixel shifting unit shifting a display position of the image light for each of a plurality of sub-frame periods forming one image frame period, and a control unit controlling the light source control unit and the pixel shifting unit, the control unit synchronizing a timing the pixel shifting unit shifts the display position for each sub-frame period with a timing the emitted light from the light source unit is switched over.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: December 8, 2020
    Assignee: CASIO COMPUTER CO., LTD
    Inventor: Hiroki Masuda
  • Publication number: 20200365895
    Abstract: Provided is a carbon material that can enhance a battery characteristic represented by the cycle characteristic of an electricity storage device. A carbon material including a graphene layered structure, the carbon material being mixed with Si at a weight ratio of 1:1 to produce a mixture, the mixture having an X-ray diffraction spectrum having a ratio between a peak height a and a peak height b a/b of 0.2 or more and 10.
    Type: Application
    Filed: January 23, 2019
    Publication date: November 19, 2020
    Inventors: Yuuki Sawada, Hiroki Masuda, Naoki Sasagawa, Kazuho Uchida, Akihiko Fujiwara
  • Publication number: 20200314394
    Abstract: A light source device includes: a first light emitting element that emits first wavelength band light; a fluorescence wheel including a fluorescence emission region with which fluorescence excited by the first wavelength band light is emitted as second wavelength band light; a second light emitting element that emits third wavelength band light; a combining unit that combines the first wavelength band light, the second wavelength band light, and the third wavelength band light; a color wheel; and a CPU that controls the first light emitting element, the second light emitting element, the fluorescence wheel, and the color wheel, wherein the CPU performs synchronization control on the fluorescence wheel and the color wheel, and performs control to shift a synchronization position of the color wheel with respect to the fluorescence wheel in accordance with an output mode.
    Type: Application
    Filed: February 26, 2020
    Publication date: October 1, 2020
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Hiroki MASUDA, Masahiro OGAWA, Osamu UMAMINE, Tetsuro NARIKAWA
  • Patent number: 10725363
    Abstract: A light source unit of the present invention includes a luminescent material plate, a joining plate on one side of which the luminescent material plate is disposed, a heat dissipating member disposed on the other side of the joining plate, and a heat conductive layer configured to thermally connect the joining plate and the heat dissipating member together and disposed between the joining plate and the heat dissipating member, and a heat conductivity of an area of the heat conductive layer which corresponds to the luminescent material plate is lower than a heat conductivity of a periphery of the area of the heat conductive layer which corresponds to the luminescent material plate.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: July 28, 2020
    Assignee: CASIO COMPUTER CO., LTD.
    Inventor: Hiroki Masuda
  • Publication number: 20200176816
    Abstract: Provided is a carbon material that can improve the cycle characteristic in charge and discharge of an all-solid-state battery. The carbon material is a carbon material to be contained in a positive electrode and/or a negative electrode of an all-solid-state battery comprising a group 1- or group 2-ionic conductive solid electrolyte, wherein in an X-ray diffraction spectrum of a mixture of the carbon material and Si in a weight ratio of 1:1, a ratio a/b is 0.2 or higher and 10.0 or lower, where a represents a height of the highest peak in the range of 2? of 24° or larger and smaller than 28° and b represents a height of the highest peak in the range of 2? of 28° or larger and smaller than 30°.
    Type: Application
    Filed: August 1, 2018
    Publication date: June 4, 2020
    Inventors: Yuuki Sawada, Hiroki Masuda, Akira Nakasuga, Akihiko Fujiwara