Patents by Inventor Masahiro KOTANI

Masahiro KOTANI 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: 11873604
    Abstract: A high-temperature-steam-oxidation-resistive coated reinforcement fiber applicable to a fiber reinforced composite, is provided with: a reinforcement fiber; a coating layer covering the reinforcement fiber and including a rare-earth silicate; an exfoliative layer intervening in an interface between the coating layer and the reinforcement fiber; and a supplemental coating layer covering the reinforcement fiber, the exfoliative layer and the coating layer.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: January 16, 2024
    Assignees: IHI CORPORATION, NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY, JAPAN FINE CERAMICS CENTER
    Inventors: Takeshi Nakamura, Masahiro Kotani, Ken Goto, Akihiko Ito, Satoshi Kitaoka, Daisaku Yokoe, Tetsushi Matsuda
  • Publication number: 20230420237
    Abstract: A sample support body is used for ionizing a component of a sample. The sample support body includes: a substrate; a porous layer provided on the substrate and having a front surface on a side opposite to the substrate; and a partition portion partitioning the front surface into a first region and a second region. The porous layer includes a main body layer having a plurality of holes opening to the front surface. The partition portion includes a partition groove formed on the front surface so as to pass between the first region and the second region.
    Type: Application
    Filed: September 17, 2021
    Publication date: December 28, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Masahiro KOTANI, Takayuki OHMURA, Akira TASHIRO
  • Publication number: 20230411133
    Abstract: A sample support body includes a substrate and a porous layer provided on the substrate and having a surface opposite the substrate. The porous layer includes a body layer having a plurality of holes open to a surface of the porous layer. Each of the plurality of holes includes an extension portion extending in a thickness direction of the substrate and an opening widened from an end of the extension portion on a surface side toward the surface. An average value of the depths of the plurality of holes is 3 ?m or more and 100 ?m or less. A value obtained by dividing the average value of the depths by an average value of the widths of the plurality of holes is 9 or more and 2500 or less.
    Type: Application
    Filed: October 14, 2021
    Publication date: December 21, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Masahiro KOTANI, Takayuki OHMURA, Akira TASHIRO
  • Publication number: 20230290625
    Abstract: A sample support is a sample support for ionizing a sample. The sample support includes a substrate that includes a first surface having electrical insulating property, a second surface opposite to the first surface, and an irregular porous structure that opens to at least the first surface.
    Type: Application
    Filed: June 1, 2021
    Publication date: September 14, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Takamasa IKEDA, Masahiro KOTANI, Akira TASHIRO, Takayuki OHMURA
  • Patent number: 11735406
    Abstract: A sample support body is a sample support body for ionizing a sample, including: a substrate having an irregular porous structure formed to communicate a first surface and a second surface opposite to each other; and a conductive layer provided at least on the first surface.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: August 22, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Masahiro Kotani, Takayuki Ohmura, Takamasa Ikeda
  • Publication number: 20230253196
    Abstract: A sample support used for sample component ionization includes: a substrate having a first surface and a plurality of holes opening to the first surface; and a conductive layer provided on the first surface so as not to block the hole, in which the conductive layer is configured by a plurality of nanoparticles and has a thickness of 30 nm or more.
    Type: Application
    Filed: May 10, 2021
    Publication date: August 10, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Akira TASHIRO, Takayuki OHMURA, Masahiro KOTANI, Takamasa IKEDA
  • Patent number: 11694883
    Abstract: A sample support is a sample support for sample ionization, including: a substrate formed with a plurality of through holes opening to a first surface and a second surface on a side opposite to the first surface; a conductive layer provided not to block the through hole in the first surface; and a frame body provided in a peripheral portion of the substrate to surround an ionization region in which a sample is ionized when viewed in a thickness direction of the substrate, in which a marker for recognizing a position in the ionization region is provided in the frame body.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: July 4, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Miu Takimoto, Takayuki Ohmura, Masahiro Kotani
  • Publication number: 20230207296
    Abstract: A surface-assisted laser desorption/ionization method according to an aspect includes: a first process of preparing a sample support (2) having a substrate (21) in which a plurality of through-holes (S) passing from one surface (21a) thereof to the other surface (21b) thereof are provided and a conductive layer (23) that covers at least the one surface (21a); a second process of placing a sample (10) on a sample stage (1) and arranging the sample support (2) on the sample (10) such that the other surface (21b) faces the sample (10); and a third process of applying a laser beam (L) to the one surface (21a) and ionizing the sample (10) moved from the other surface (21b) side to the one surface (21a) side via the through-holes (S) due to a capillary phenomenon.
    Type: Application
    Filed: March 6, 2023
    Publication date: June 29, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Yasuhide NAITO, Masahiro KOTANI, Takayiki OHMURA
  • Publication number: 20230170201
    Abstract: A sample support is a sample support used for ionizing components of a sample, and includes: a substrate including a first surface, a second surface on a side opposite to the first surface, and a plurality of through holes opening to the first surface and the second surface; a conductive layer provided at least on the first surface; and a derivatizing agent provided to the plurality of through holes to derivatize the components.
    Type: Application
    Filed: April 15, 2021
    Publication date: June 1, 2023
    Applicants: HAMAMATSU PHOTONICS K.K., TAIYO NIPPON SANSO CORPORATION, NATIONAL UNIVERSITY CORPORATION FUKUSHIMA UNIVERSITY
    Inventors: Masahiro KOTANI, Takayuki OHMURA, Akari WAKIMURA, Tsutomu TERAUCHI, Shu TAIRA, Yasuhide NAITO
  • Patent number: 11658018
    Abstract: Provided is a sample support body that includes a substrate, an ionization substrate, and a support. The ionization substrate has a plurality of measurement regions for dropping a sample on a second surface. A plurality of through-holes that open in a first surface and the second surface are formed at least in the measurement regions of the ionization substrate. A conductive layer is provided on peripheral edges of the through-holes at least on the second surface. The support has a first support provided on peripheral edges of the measurement regions on the first surface to separate the plurality of measurement regions when viewed in the direction in which the substrate and the ionization substrate face each other.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: May 23, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Takayuki Ohmura, Masahiro Kotani
  • Patent number: 11656198
    Abstract: Provided is a sample support body that includes a substrate, an ionization substrate, a support, and a frame. The ionization substrate has a plurality of measurement regions for dropping a sample on second surface. A plurality of through-holes that open in a first surface and the second surface are formed at least in the measurement regions of the ionization substrate. A conductive layer is provided on peripheral edges of the through-holes at least on the second surface. The frame has a wall provided on peripheral edges of the measurement regions on the second surface to separate the plurality of measurement regions when viewed in the direction in which the substrate and the ionization substrate face each other.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: May 23, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Takayuki Ohmura, Masahiro Kotani
  • Patent number: 11646187
    Abstract: A surface-assisted laser desorption/ionization method according to an aspect includes: a first process of preparing a sample support (2) having a substrate (21) in which a plurality of through-holes (S) passing from one surface (21a) thereof to the other surface (21b) thereof are provided and a conductive layer (23) that covers at least the one surface (21a); a second process of placing a sample (10) on a sample stage (1) and arranging the sample support (2) on the sample (10) such that the other surface (21b) faces the sample (10); and a third process of applying a laser beam (L) to the one surface (21a) and ionizing the sample (10) moved from the other surface (21b) side to the one surface (21a) side via the through-holes (S) due to a capillary phenomenon.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: May 9, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Yasuhida Naito, Masahiro Kotani, Takayuki Ohmura
  • Publication number: 20230131548
    Abstract: A sample support includes: a substrate having a plurality of through-holes opening on a first surface and on a second surface; a first member having a plurality of first openings and disposed on the first surface; a second member having a plurality of second openings and disposed on the second surface, and; a bonding member disposed between the first member and the second member; and a conductive layer integrally provided on a region of the second surface corresponding to each of the plurality of second openings. The plurality of through-holes include a plurality of first through-holes located between each of the plurality of first openings and each of the plurality of second openings, and a plurality of second through-holes located between the first member and the second member. Each of the plurality of second openings communicate with each of the plurality of first openings through the plurality of first through-holes.
    Type: Application
    Filed: January 14, 2021
    Publication date: April 27, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Akira TASHIRO, Masahiro KOTANI, Takayuki OHMURA
  • Publication number: 20230114331
    Abstract: A sample support used for ionizing a component of a sample includes: a substrate having a first surface, a second surface opposite the first surface, and a plurality of through-holes that are open on the first surface and on the second surface; a conductive layer provided on at least the first surface; and an anionizing agent provided in the plurality of through-holes to anionize the component.
    Type: Application
    Filed: January 15, 2021
    Publication date: April 13, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Masahiro KOTANI, Takayuki OHMURA, Akira TASHIRO
  • Publication number: 20230095349
    Abstract: A sample support body includes: an insulating substrate having a measurement region formed with a plurality of through holes; a frame formed with an opening part opening to a first face and a second face to correspond to the measurement region, and formed on the first surface such that the opening part overlaps the measurement region when viewed from a thickness direction of the substrate; an adhesive layer to bond the substrate and the frame and having a protruding portion protruding from an inner surface of the opening part toward the measurement region; and a conductive layer having a first portion provided along the inner surface of the opening part, a second portion provided along the first surface of the measurement region, and a third portion provided along a surface of the protruding portion so as to connect the first portion and the second portion.
    Type: Application
    Filed: December 1, 2020
    Publication date: March 30, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Akira TASHIRO, Masahiro KOTANI, Takayuki OHMURA
  • Publication number: 20230086284
    Abstract: A sample support used for ionizing a component of a sample includes: a substrate having a first surface, a second surface opposite the first surface, and a plurality of through-holes that are open on the first surface and on the second surface; a conductive layer provided on at least the first surface; and a cationizing agent provided in the plurality of through-holes to cationize the component with a predetermined atom.
    Type: Application
    Filed: January 15, 2021
    Publication date: March 23, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Masahiro KOTANI, Takayuki OHMURA, Akira TASHIRO
  • Publication number: 20230025534
    Abstract: A sample support is a sample support for sample ionization, including: a substrate formed with a plurality of through holes opening to a first surface and a second surface on a side opposite to the first surface; a conductive layer provided not to block the through hole in the first surface; and a reinforcement member disposed inside a part of the plurality of through holes.
    Type: Application
    Filed: October 3, 2022
    Publication date: January 26, 2023
    Inventors: Miu TAKIMOTO, Takayuki Ohmura, Masahiro Kotani
  • Patent number: 11521843
    Abstract: A sample support is a sample support for sample ionization, including: a substrate formed with a plurality of through holes opening to a first surface and a second surface on a side opposite to the first surface; a conductive layer provided not to block the through hole in the first surface; and a reinforcement member disposed inside a part of the plurality of through holes.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: December 6, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Miu Takimoto, Takayuki Ohmura, Masahiro Kotani
  • Patent number: 11442039
    Abstract: Provided is a sample support body that includes: a substrate having a first surface and a second surface opposite to each other; and a conductive layer provided on at least the first surface. A plurality of through-holes, which open to the second surface and a third surface of the conductive layer which is located on a side opposite to the substrate, are formed in the substrate and the conductive layer. At least one of the second surface and the third surface is subjected to surface treatment for providing a difference in an affinity with water between a surface close to the second surface and a surface close to the third surface.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: September 13, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Yasuhide Naito, Takayuki Ohmura, Masahiro Kotani
  • Publication number: 20220260528
    Abstract: Provided is a sample support body that includes a substrate, an ionization substrate, a support, and a frame. The ionization substrate has a plurality of measurement regions for dropping a sample on second surface. A plurality of through-holes that open in a first surface and the second surface are formed at least in the measurement regions of the ionization substrate. A conductive layer is provided on peripheral edges of the through-holes at least on the second surface. The frame has a wall provided on peripheral edges of the measurement regions on the second surface to separate the plurality of measurement regions when viewed in the direction in which the substrate and the ionization substrate face each other.
    Type: Application
    Filed: May 5, 2022
    Publication date: August 18, 2022
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Takayuki OHMURA, Masahiro KOTANI