Patents by Inventor Katsuhiro Sato

Katsuhiro Sato 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: 20230089765
    Abstract: According to one embodiment, a substrate processing apparatus includes a batch type cleaning unit, a holding unit, and a single-substrate type drying unit. The batch type cleaning unit simultaneously cleans a plurality of substrates in a batch process with a first liquid. The holding unit receives the cleaned substrates while still wet and then keeps a first surface of each of the substrates wet with the first liquid. The single-substrate type drying unit is configured to receive the substrates one by one from the holding unit and then dry off the substrates one by one.
    Type: Application
    Filed: March 1, 2022
    Publication date: March 23, 2023
    Inventors: Katsuhiro SATO, Hiroshi Fujita, Tatsuhiko Koide
  • Patent number: 11610789
    Abstract: In one embodiment, a semiconductor manufacturing apparatus includes a container configured to contain a substrate, and a pipe configured to supply the container with liquid to treat the substrate. The apparatus further includes an ejector including a first passage where the liquid introduced from the pipe and the liquid introduced from the container are joined and pass through, and a first opening configured to eject the liquid that has passed through the first passage. Furthermore, the first passage has an area where a sectional area of the first passage becomes large as advancing downstream in the liquid.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: March 21, 2023
    Assignee: Kioxia Corporation
    Inventors: Katsuhiro Sato, Hiroshi Fujita, Yoshinori Kitamura, Satoshi Nakaoka, Tomohiko Sugita
  • Patent number: 11492731
    Abstract: A method of producing a partially separated fiber bundle wherein, while a fiber bundle includes a plurality of single fibers travels along a lengthwise direction of the fiber bundle, a separator provided with a plurality of projected parts is penetrated into the fiber bundle to create a separation-processed part, and entangled parts, where the single fibers are interlaced, are formed at contact parts with the projected parts in at least one separation-processed part, thereafter the separator is removed from the fiber bundle, and after passing through an entanglement accumulation part including the entangled parts, the separator is penetrated again into the fiber bundle, characterized in that a separation processing time t1 during being penetrated with the separator and a time t2 from being removed with the separator to being penetrated again into the fiber bundle satisfy Equation (1): 0.03?t2/(t1+t2)?0.5.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: November 8, 2022
    Assignee: Toray Industries, Inc.
    Inventors: Tetsuya Motohashi, Takafumi Hashimoto, Katsuhiro Miyoshi, Yoshihiro Kawahara, Tamotsu Suzuki, Chiasa Sato
  • Patent number: 11469119
    Abstract: A substrate treatment apparatus according to an embodiment includes a treatment tank to store a chemical solution to treat a substrate, a pipe having a discharge port through which an air bubble is discharged from a bottom of the treatment tank toward the substrate, and a rod body disposed between the discharge port and the substrate to divide the air bubble.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: October 11, 2022
    Assignee: Kioxia Corporation
    Inventors: Satoshi Nakaoka, Yoshinori Kitamura, Katsuhiro Sato
  • Patent number: 11371171
    Abstract: A production method for a separated fiber bundle includes at least: [A] a partial separation step for obtaining a partially separated fiber bundle in which separation-processed parts, each separated into a plurality of bundles, and not-separation-processed parts are alternately formed along the lengthwise direction of a fiber bundle comprising a plurality of single fibers; and [B] a cutting step for cutting the not-separation-processed parts of the partially separated fiber bundle formed in the step [A] along the lengthwise direction of the fiber bundle. A separated fiber bundle produced by the method, a fiber-reinforced resin molding material that uses the separated fiber bundle, and a production method for the fiber-reinforced resin molding material.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: June 28, 2022
    Assignee: Toray Industries, Inc.
    Inventors: Tetsuya Motohashi, Takafumi Hashimoto, Katsuhiro Miyoshi, Chiasa Sato
  • Publication number: 20210398825
    Abstract: In one embodiment, a semiconductor manufacturing apparatus includes a substrate holder configured to hold a plurality of substrates such that the substrates are arranged in parallel to each other. The apparatus further includes a fluid injector including a plurality of openings that inject fluid to areas in which distances from surfaces of the substrates are within distances between centers of the substrates adjacent to each other, the fluid injector being configured to change injection directions of the fluid injected from the openings in planes that are parallel to the surfaces of the substrates by self-oscillation.
    Type: Application
    Filed: September 1, 2021
    Publication date: December 23, 2021
    Applicant: TOSHIBA MEMORY CORPORATION
    Inventors: Tomohiko SUGITA, Katsuhiro SATO, Hiroaki ASHIDATE
  • Patent number: 11171020
    Abstract: A substrate treatment apparatus according to an embodiment includes a treatment tank, a container, a measuring instrument, and a controller. The treatment tank stores a chemical solution to treat a substrate. The container contains a liquid including ammonia from which a gas discharged from the treatment tank is gas-liquid separated. The measuring instrument measures an amount of the ammonia included in the liquid over time. The controller controls the treatment of the substrate based on the amount of the ammonia.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: November 9, 2021
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Satoshi Nakaoka, Katsuhiro Sato, Hiroaki Ashidate, Shinsuke Muraki, Yuji Hashimoto
  • Publication number: 20210280438
    Abstract: In one embodiment, a semiconductor manufacturing apparatus includes a container configured to contain a substrate, and a pipe configured to supply the container with liquid to treat the substrate. The apparatus further includes an ejector including a first passage where the liquid introduced from the pipe and the liquid introduced from the container are joined and pass through, and a first opening configured to eject the liquid that has passed through the first passage. Furthermore, the first passage has an area where a sectional area of the first passage becomes large as advancing downstream in the liquid.
    Type: Application
    Filed: December 11, 2020
    Publication date: September 9, 2021
    Applicant: Kioxia Corporation
    Inventors: Katsuhiro SATO, Hiroshi FUJITA, Yoshinori KITAMURA, Satoshi NAKAOKA, Tomohiko SUGITA
  • Publication number: 20210265181
    Abstract: According to embodiments, a substrate treatment apparatus includes a housing, a heater and a pipe. The housing stores solution containing phosphoric acid and houses a substrate including a silicon substrate. The heater heats the solution over a normal boiling point of the solution. The pipe supplies heated solution heated by the heater into the housing while generating air bubbles.
    Type: Application
    Filed: May 10, 2021
    Publication date: August 26, 2021
    Applicant: Toshiba Memory Corporation
    Inventors: Yoshinori KITAMURA, Katsuhiro SATO, Hiroaki ASHIDATE
  • Patent number: 11069700
    Abstract: A semiconductor storage device includes a first stacked body, a second stacked body, a first division film, a second division film, and a plurality of discrete films. The a first stacked body includes first electrode layers stacked in a first direction. The second stacked body, above the first stacked body, includes second electrode layers stacked in the first direction. The second semiconductor layer is electrically connected to the first semiconductor layer. The first division film, extending in the first direction through the first stacked body, divides the first stacked body in a second direction crossing the first direction. The second division film, extending in the first direction through the second stacked body, divides the second stacked body in the second direction. The discrete films, extending in the first direction through the second stacked body, are disposed above the first division film.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: July 20, 2021
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Koichi Sakata, Kazutaka Suzuki, Hiroaki Ashidate, Katsuhiro Sato, Satoshi Nakaoka
  • Patent number: 10978316
    Abstract: A semiconductor processing device according to an embodiment includes a processing tank configured to store a chemical therein to allow a semiconductor substrate to be immersed in the chemical. A gas supply part is provided below the semiconductor substrate accommodated in the processing tank and is configured to supply air bubbles to the chemical from below the semiconductor substrate. A chemical supply part is provided above the gas supply part and below the semiconductor substrate and is configured to discharge the chemical caused to circulate from the processing tank, towards the air bubbles appearing from the gas supply part.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: April 13, 2021
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Satoshi Nakaoka, Tomohiko Sugita, Shinsuke Kimura, Hiroaki Ashidate, Katsuhiro Sato
  • Publication number: 20200295027
    Abstract: A semiconductor storage device includes a first stacked body, a second stacked body, a first division film, a second division film, and a plurality of discrete films. The a first stacked body includes first electrode layers stacked in a first direction. The second stacked body, above the first stacked body, includes second electrode layers stacked in the first direction. The second semiconductor layer is electrically connected to the first semiconductor layer. The first division film, extending in the first direction through the first stacked body, divides the first stacked body in a second direction crossing the first direction. The second division film, extending in the first direction through the second stacked body, divides the second stacked body in the second direction. The discrete films, extending in the first direction through the second stacked body, are disposed above the first division film.
    Type: Application
    Filed: August 29, 2019
    Publication date: September 17, 2020
    Applicant: TOSHIBA MEMORY CORPORATION
    Inventors: Koichi SAKATA, Kazutaka SUZUKI, Hiroaki ASHIDATE, Katsuhiro SATO, Satoshi NAKAOKA
  • Publication number: 20200273727
    Abstract: A substrate treatment apparatus according to an embodiment includes a treatment tank to store a chemical solution to treat a substrate, a pipe having a discharge port through which an air bubble is discharged from a bottom of the treatment tank toward the substrate, and a rod body disposed between the discharge port and the substrate to divide the air bubble.
    Type: Application
    Filed: August 16, 2019
    Publication date: August 27, 2020
    Applicant: TOSHIBA MEMORY CORPORATION
    Inventors: Satoshi NAKAOKA, Yoshinori KITAMURA, Katsuhiro SATO
  • Publication number: 20200273726
    Abstract: A substrate treatment apparatus according to an embodiment includes a treatment tank, a container, a measuring instrument, and a controller. The treatment tank stores a chemical solution to treat a substrate. The container contains a liquid including ammonia from which a gas discharged from the treatment tank is gas-liquid separated. The measuring instrument measures an amount of the ammonia included in the liquid over time. The controller controls the treatment of the substrate based on the amount of the ammonia.
    Type: Application
    Filed: August 22, 2019
    Publication date: August 27, 2020
    Applicant: TOSHIBA MEMORY CORPORATION
    Inventors: Satoshi NAKAOKA, Katsuhiro SATO, Hiroaki ASHIDATE, Shinsuke MURAKI, Yuji HASHIMOTO
  • Patent number: 10714328
    Abstract: In one embodiment, a semiconductor manufacturing apparatus includes a supporter configured to support a wafer. The apparatus further includes a first member including a first portion that faces a first region on an upper face of the wafer and a second portion that intervenes between the wafer and the first portion. The apparatus further includes a second member including a third portion that faces a second region on the upper face of the wafer and a fourth portion that intervenes between the wafer and the third portion. The apparatus further includes a first liquid feeder configured to feed a first liquid for processing the wafer to the first region, a first gas feeder configured to feed a first gas between the wafer and the first portion, and a second gas feeder configured to feed a second gas between the wafer and the second portion.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: July 14, 2020
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Tomonori Harada, Tatsuhiko Koide, Katsuhiro Sato
  • Publication number: 20190385867
    Abstract: In one embodiment, a semiconductor manufacturing apparatus includes a substrate holder configured to hold a plurality of substrates such that the substrates are arranged in parallel to each other. The apparatus further includes a fluid injector including a plurality of openings that inject fluid to areas in which distances from surfaces of the substrates are within distances between centers of the substrates adjacent to each other, the fluid injector being configured to change injection directions of the fluid injected from the openings in planes that are parallel to the surfaces of the substrates by self-oscillation.
    Type: Application
    Filed: February 6, 2019
    Publication date: December 19, 2019
    Applicant: TOSHIBA MEMORY CORPORATION
    Inventors: Tomohiko SUGITA, Katsuhiro Sato, Hiroaki Ashidate
  • Patent number: 10403524
    Abstract: A substrate processing device capable of stabilizing an etching amount of a metal film provided on a substrate is provided. The substrate processing device includes a first container, a second container and a control unit. The first container stores a first liquid in which an acid solution containing phosphoric acid and water are mixed. The first liquid is capable of etching a metal film provided on a substrate. The second container stores a second liquid containing water. The control unit controls supply of the second liquid from the second container to the first container such that a water concentration of the first liquid increases over time corresponding to change in a concentration of the phosphoric acid in the first liquid.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: September 3, 2019
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Shinsuke Muraki, Hiroaki Yamada, Yuya Akeboshi, Katsuhiro Sato
  • Publication number: 20190259639
    Abstract: A semiconductor processing device according to an embodiment includes a processing tank configured to store a chemical therein to allow a semiconductor substrate to be immersed in the chemical. A gas supply part is provided below the semiconductor substrate accommodated in the processing tank and is configured to supply air bubbles to the chemical from below the semiconductor substrate. A chemical supply part is provided above the gas supply part and below the semiconductor substrate and is configured to discharge the chemical caused to circulate from the processing tank, towards the air bubbles appearing from the gas supply part.
    Type: Application
    Filed: July 26, 2018
    Publication date: August 22, 2019
    Applicant: TOSHIBA MEMORY CORPORATION
    Inventors: Satoshi NAKAOKA, Tomohiko Sugita, Shinsuke Kimura, Hiroaki Ashidate, Katsuhiro Sato
  • Patent number: 10351467
    Abstract: A glass lining that has an excellent balance between a hydrophilic property and a hydrophobic property on its surface, that has less adhesion of dirt than a typical GL since having an excellent stain-proof property against both oily stains and aqueous stains, and that can maintain the stain-proof property and the self-cleaning performance for a long time after the glass lining is cleaned, leading to excellent cleaning performance and low dirt-adhesion. The glass lining includes a lining and a conductive inorganic compound contained in the lining. The glass lining is structured to have a plurality of hydrophilic concave portions and net-like hydrophobic convex portions connecting peripheries of the plurality of hydrophilic concave portions.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: July 16, 2019
    Assignee: HAKKO SANGYO CO., LTD.
    Inventors: Katsuhiro Sato, Kenichi Fukuda
  • Patent number: 10304704
    Abstract: A substrate processing method according to an embodiment is a substrate processing method for drying a substrate. The substrate processing method includes supplying a solution in which a sublimation material is dissolved in a first solvent to a surface of a cleaned substrate. The substrate processing method includes eliminating at least a portion of association states of the sublimation material. The substrate processing method includes precipitating the sublimation material on the surface of the substrate. The substrate processing method includes removing the precipitated sublimation material by sublimation.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: May 28, 2019
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Katsuhiro Sato, Junichi Igarashi, Yoshihiro Ogawa