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).

  • Patent number: 11939977
    Abstract: A scroll compressor comprising a fixed scroll (15); an orbiting scroll (16) supported in a manner allowing for orbiting motion; a discharge port through which a fluid compressed by the two scrolls (15, 16) is discharged; an end plate step portion (16E) provided on an end plate of the orbiting scroll (16) formed so that a height of the end plate is higher on a center portion side in the direction of a spiral wrap and lower on an outer end side; and a wrap step portion (15E) provided on a wall portion of the fixed scroll (15) that corresponds to the end plate step portion (16E) so that a height of the wall portion is lower on the center portion side of the spiral and higher on the outer end side; wherein the orbiting scroll (16) is treated for surface hardening and the fixed scroll (15) is not treated for surface hardening.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: March 26, 2024
    Assignee: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    Inventors: Hajime Sato, Makoto Takeuchi, Genta Yoshikawa, Kazuhide Watanabe, Katsuhiro Fujita, Takayuki Hagita, Takayuki Kuwahara
  • Publication number: 20240087918
    Abstract: According to one embodiment, a substrate processing apparatus has a treatment tank, a holder to hold the substrate while in the treatment tank, a chemical discharge pipe below a position of the holder for supplying a chemical solution to the treatment tank, a bubble discharge pipe below the position of the holder for discharging a gas. The first bubble discharge pipe is closer along a horizontal direction to a centerline of the treatment tank than is the chemical discharge pipe. A rectifying plate is disposed below the position of the holder and extends from a position above the chemical discharge pipe to a position above the first bubble discharge pipe at an incline with respect to the first direction horizontal.
    Type: Application
    Filed: August 29, 2023
    Publication date: March 14, 2024
    Inventors: Tomohiko SUGITA, Hiroshi FUJITA, Tatsuhiko KOIDE, Katsuhiro SATO
  • Patent number: 11929250
    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: Grant
    Filed: March 1, 2022
    Date of Patent: March 12, 2024
    Assignee: Kioxia Corporation
    Inventors: Katsuhiro Sato, Hiroshi Fujita, Tatsuhiko Koide
  • Publication number: 20230140343
    Abstract: The CNC machining device 1 includes a tool magazine 20, a spindle 26, an automatic tool replacing device, a CNC controller 32, a sensor head 10 configured to generate measurement data corresponding to a distance from a surface of the object, and a personal computer 40. The sensor head 10 generates measurement data (X, Z) at regular intervals. The CNC controller 32 generates position coordinate data (x, y, z, x?, y?, z?) at regular intervals. The sensor head 10 transmits the measurement data to the personal computer 40 through first radio communication RC1. The sensor head 10 transmits a synchronization signal for synchronizing the measurement data and the position coordinate data to the CNC controller 32 through second radio communication RC2.
    Type: Application
    Filed: March 9, 2020
    Publication date: May 4, 2023
    Applicant: HEXAGON METROLOGY KABUSHIKI KAISHA
    Inventors: Satoshi SUZUKI, Masahiro SUZUKI, Katsuhiro SATO, Christoph WIEST, Andreas HIEBLE, Pete CHAMP
  • 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: 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
  • 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