Patents by Inventor Satoshi Hirota

Satoshi Hirota 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: 11174546
    Abstract: Provided is a film formation method that includes: an etching step of etching the surface of the substrate by bringing inert gas ions into collision with the surface of the substrate, the inert gas ions generated in a chamber accommodating the substrate; an implantation step of bringing inert gas ions into collision with metal particles deposited on the surface of the substrate to thereby hit the metal particles into the surface of the substrate while bringing the inert gas ions into collision with a metal target to thereby cause the metal particles to sputter out of the metal target and depositing the metal particles on the surface of the substrate etched in the etching step; and a film formation step of forming the film on the surface of the substrate into which the metal particles have been hit in the implantation step.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: November 16, 2021
    Assignee: Kobe Steel, Ltd.
    Inventors: Satoshi Hirota, Koichiro Akari
  • Publication number: 20210348269
    Abstract: Provided is a hot filament CVD device capable of easily disposing multiple base materials in a chamber. A hot filament CVD device includes a chamber, multiple filaments, multiple base material supports supporting respective multiple base materials, and a table. The multiple base material supports can be inserted into the chamber in a predetermined insertion direction through an opening, and support the corresponding multiple base materials so that the multiple base materials are disposed at intervals in the insertion direction. The table has a mounting surface on which the multiple base material supports are allowed to be mounted allowing the multiple base materials to be disposed facing the corresponding multiple filaments, and supports the multiple base material supports inside the chamber while allowing the multiple base material supports to be disposed adjacent to each other in a chamber width direction.
    Type: Application
    Filed: August 19, 2019
    Publication date: November 11, 2021
    Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
    Inventors: Tetsuya TAKAHASHI, Satoshi HIROTA, Rainer CREMER
  • Publication number: 20210324520
    Abstract: Provided is a hot filament CVD device capable of performing coating treatment on a base material while stably correcting slack of a filament due to thermal expansion. The hot filament CVD device includes a chamber, a base material support that supports multiple base materials, multiple filaments, a first frame, a second frame, a power source, a drive unit, a drive control unit, a calculation unit, and a temperature information acquisition unit. The temperature information acquisition unit acquires information on temperature of the multiple filaments, the temperature changing with application of voltage. The calculation unit calculates an amount of thermal expansion of the multiple filaments based on the acquired information on temperature. The drive control unit causes the second frame to move apart from the first frame in accordance with the amount of thermal expansion calculated by the calculation unit.
    Type: Application
    Filed: August 19, 2019
    Publication date: October 21, 2021
    Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
    Inventors: Tetsuya TAKAHASHI, Satoshi HIROTA, Rainer CREMER
  • Publication number: 20210324511
    Abstract: Provided is a hot filament CVD device capable of easily attaching, detaching, and replacing a filament. The hot filament CVD device includes a chamber, a base material support that supports multiple base materials, filament cartridges, and paired holding parts. The filament cartridges each include multiple filaments (60), a first frame, a second frame, and paired connecting members. The paired holding parts guide each of the filament cartridges when it is inserted into the chamber, and hold the filament cartridges in the chamber so that the filament cartridges face the multiple base materials.
    Type: Application
    Filed: August 19, 2019
    Publication date: October 21, 2021
    Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
    Inventors: Tetsuya TAKAHASHI, Satoshi HIROTA, Rainer CREMER
  • Publication number: 20210164089
    Abstract: Provided is a film formation method that includes: an etching step of etching the surface of the substrate by bringing inert gas ions into collision with the surface of the substrate, the inert gas ions generated in a chamber accommodating the substrate; an implantation step of bringing inert gas ions into collision with metal particles deposited on the surface of the substrate to thereby hit the metal particles into the surface of the substrate while bringing the inert gas ions into collision with a metal target to thereby cause the metal particles to sputter out of the metal target and depositing the metal particles on the surface of the substrate etched in the etching step; and a film formation step of forming the film on the surface of the substrate into which the metal particles have been hit in the implantation step.
    Type: Application
    Filed: October 3, 2018
    Publication date: June 3, 2021
    Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
    Inventors: Satoshi HIROTA, Koichiro AKARI
  • Patent number: 10913997
    Abstract: Provided is an arc evaporation source capable of stably retaining an arc spot on the front end surface of a target and apparatus downsizing. An arc evaporation source includes a target to be melted and vaporized from its front end surface by arc discharge and at least one magnet disposed apart from a side surface of the target radially thereof. The magnet is disposed to form a magnetic field satisfying conditions a) and b) below, on the side surface, in a region of up to 10 mm from the front end surface axially of the target: a) an angle which magnetic lines of force forms with the side surface of the target is 45 degrees or less; and b) a component of the strength of the magnetic lines of force along the axial direction of the target is 200 G or more.
    Type: Grant
    Filed: July 3, 2015
    Date of Patent: February 9, 2021
    Assignee: Kobe Steel, Ltd.
    Inventors: Yoshinori Kurokawa, Satoshi Hirota, Shinichi Tanifuji
  • Patent number: 10742857
    Abstract: An occupant monitoring apparatus includes: an imaging unit; an illumination unit; a casing in which the imaging unit and the illumination unit are installed; optical films provided on driver's sides of the imaging unit and the illumination unit and optically adjusting incident light; a cover covering the imaging unit, the illumination unit, the casing, and the optical films; windows provided in the cover so as to face the optical films; supports provided on window frame portions; and supports provided in the casing so as to face the window frame portions. The supports provided in the casing support end portions of the optical films from the windows side. The supports provided on the window frame portions support the end portions from an imaging unit side or an illumination unit side. The optical films are sandwiched in the thickness direction.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: August 11, 2020
    Assignee: Omron Corporation
    Inventor: Satoshi Hirota
  • Patent number: 10634020
    Abstract: First and second oil chambers arranged in a cylinder arrangement direction with a partition wall interposed therebetween are formed in a cylinder block. A cylinder head includes first and second communication passages respectively connected to the first and second oil chambers. The communication passages are configured so that a resistance generated when gas is caused to flow from the first oil chamber to a space above the head through the first communication passage is smaller than a resistance generated when gas is caused to flow from the second oil chamber to the space above the head through the second communication passage. The cylinder block includes an oil passage connected to both the oil chambers. The partition wall includes a connection hole for allowing the first and second oil chambers to communicate with each other.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: April 28, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Satoshi Hirota, Yuya Horii
  • Patent number: 10564522
    Abstract: An occupant monitoring device images a driver in a vehicle by an imager, projects light toward a driver seat side by an illuminator, controls operation of the imager and the illuminator by a controller, monitors the driver, based on a captured image by the imager, and outputs a monitoring result. A main board on which the controller is mounted is contained in a housing, and a sub-board is held by a lid body configured to close an opening of the housing. The main board and the sub-board are electrically connected so that the imager and the illuminator mounted on the sub-board face the driver seat side. A water preventing cover covers the sub-board, the lid body, and the housing from the driver seat side, the water preventing cover having a transmitting portion configured to transmit projected light from the illuminator and reflected light from the driver.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: February 18, 2020
    Assignee: Omron Corporation
    Inventor: Satoshi Hirota
  • Publication number: 20190289175
    Abstract: An occupant monitoring apparatus includes: an imaging unit; an illumination unit; a casing in which the imaging unit and the illumination unit are installed; optical films provided on driver's sides of the imaging unit and the illumination unit and optically adjusting incident light; a cover covering the imaging unit, the illumination unit, the casing, and the optical films; windows provided in the cover so as to face the optical films; supports provided on window frame portions; and supports provided in the casing so as to face the window frame portions. The supports provided in the casing support end portions of the optical films from the windows side. The supports provided on the window frame portions support the end portions from an imaging unit side or an illumination unit side. The optical films are sandwiched in the thickness direction.
    Type: Application
    Filed: March 13, 2019
    Publication date: September 19, 2019
    Inventor: Satoshi Hirota
  • Publication number: 20190234257
    Abstract: First and second oil chambers arranged in a cylinder arrangement direction with a partition wall interposed therebetween are formed in a cylinder block. A cylinder head includes first and second communication passages respectively connected to the first and second oil chambers. The communication passages are configured so that a resistance generated when gas is caused to flow from the first oil chamber to a space above the head through the first communication passage is smaller than a resistance generated when gas is caused to flow from the second oil chamber to the space above the head through the second communication passage. The cylinder block includes an oil passage connected to both the oil chambers. The partition wall includes a connection hole for allowing the first and second oil chambers to communicate with each other.
    Type: Application
    Filed: January 28, 2019
    Publication date: August 1, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Satoshi HIROTA, Yuya HORII
  • Publication number: 20190158710
    Abstract: An occupant monitoring device images a driver in a vehicle by an imager, projects light toward a driver seat side by an illuminator, controls operation of the imager and the illuminator by a controller, monitors the driver, based on a captured image by the imager, and outputs a monitoring result. A main board on which the controller is mounted is contained in a housing, and a sub-board is held by a lid body configured to close an opening of the housing. The main board and the sub-board are electrically connected so that the imager and the illuminator mounted on the sub-board face the driver seat side. A water preventing cover covers the sub-board, the lid body, and the housing from the driver seat side, the water preventing cover having a transmitting portion configured to transmit projected light from the illuminator and reflected light from the driver.
    Type: Application
    Filed: November 20, 2018
    Publication date: May 23, 2019
    Applicants: OMRON AUTOMOTIVE ELECTRONICS CO., LTD., OMRON Corporation
    Inventor: Satoshi Hirota
  • Patent number: 9911576
    Abstract: In an ion bombardment apparatus of the present invention, a heating type thermal electron emission electrode formed by a filament is placed on one inner surface of a vacuum chamber, an anode for receiving a thermal electron from the thermal electron emission electrode is placed on another inner surface of the vacuum chamber, and a base material is placed between the thermal electron emission electrode and the anode. Further, the ion bombardment apparatus has a discharge power supply for generating a glow discharge upon application of a potential difference between the thermal electron emission electrode and the anode, a heating power supply for heating the thermal electron emission electrode so as to emit the thermal electron, and a bias power supply for applying negative pulse-shaped bias potential with respect to the vacuum chamber to the base material.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: March 6, 2018
    Assignee: Kobe Steel, Ltd.
    Inventors: Satoshi Hirota, Naoyuki Goto, Homare Nomura, Rainer Cremer
  • Patent number: 9752229
    Abstract: A film deposition device including a DMS target and a film-deposition power source, being capable of pre-sputtering the target by use of the film-deposition power source. The film deposition device includes: a film deposition chamber; first and second cathodes each having a target and disposed next to each other wherein surfaces of the target face a substrate; a magnetic-field formation unit forming a magnetic field in vicinity of the target surfaces; a film-deposition power source connected to both of the cathodes; and a shutter. The shutter makes an opening-closing action between a close portion at which the shutter is interposed between the substrate and the target surfaces of both cathodes to block the target surfaces collectively from the substrate and an open position to allow film deposition on the substrate through opening the space between the target surfaces and the substrate.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: September 5, 2017
    Assignee: Kobe Steel, Ltd.
    Inventor: Satoshi Hirota
  • Publication number: 20170204507
    Abstract: Provided is an arc evaporation source capable of stably retaining an arc spot on the front end surface of a target and apparatus downsizing. An arc evaporation source includes a target to be melted and vaporized from its front end surface by arc discharge and at least one magnet disposed apart from a side surface of the target radially thereof. The magnet is disposed to form a magnetic field satisfying conditions a) and b) below, on the side surface, in a region of up to 10 mm from the front end surface axially of the target: a) an angle which magnetic lines of force forms with the side surface of the target is 45 degrees or less; and b) a component of the strength of the magnetic lines of force along the axial direction of the target is 200 G or more.
    Type: Application
    Filed: July 3, 2015
    Publication date: July 20, 2017
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Yoshinori KUROKAWA, Satoshi HIROTA, Shinichi TANIFUJI
  • Patent number: 9689985
    Abstract: A laser radar device includes: a projection part repeatedly performing processing of projecting measurement light that is of a pulsed laser beam to a predetermined monitoring area in a measurement period having a predetermined first length, the processing being repeated in c cycles (c?2) in a detection period having a predetermined second length; a light receiver including n1 (n1?2) light receiving elements and receiving reflected light of the measurement light in directions different from one another; a selector selecting light receiving signals of the n1 light receiving elements in each measurement period and output n2 (n2?2) light receiving signals; a sampling part sampling the light receiving signals output from the selector s (s?2) times every time the measurement light is projected; and a detector performing processing of detecting an object in a detection-period-based period based on sampling values.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: June 27, 2017
    Assignee: OMRON AUTOMOTIVE ELECTRONICS CO., LTD.
    Inventors: Tadao Nishiguchi, Daisuke Itao, Satoshi Hirota
  • Publication number: 20170051391
    Abstract: A tool for machining in which defective adhesion of a coating film at an interface of a layer containing titanium and an alumina layer is prevented. A method for producing a tool for machining is provided in which a coating film of a plurality of layers is formed on a surface of a base material by physical vapor deposition (PVD), the method including: a first layer formation step of forming a first layer containing a nitride or carbide of titanium on the surface of the base material; a first barrier layer formation step of forming a barrier layer that covers a surface of the first layer; and a second layer formation step of forming a second layer containing aluminum oxide on a surface of the barrier layer.
    Type: Application
    Filed: April 30, 2015
    Publication date: February 23, 2017
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventor: Satoshi HIROTA
  • Patent number: 9405092
    Abstract: A control apparatus includes a first focus detection unit that performs focus detection by a phase difference method based on an image signal obtained from an image pickup element, a second focus detection unit that performs focus detection by a contrast method, and a control unit that performs focusing, the control unit performs the focusing, in a first mode, by using a detection result of the first focus detection unit, and performs the focusing, in a second mode, by selectively using one of the detection result of the first focus detection unit and a detection result of the second focus detection unit according to lens information, and the first mode is a mode in which the focusing is repeated, and the second mode is a mode in which a lens is stopped after the focusing.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: August 2, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Miyako Nakamoto, Satoshi Hirota, Takayuki Ishii
  • Publication number: 20160160343
    Abstract: Provided is a film deposition device including a DMS target and a film-deposition power source, being capable of pre-sputtering the target by use of the film-deposition power source. The film deposition device includes: a film deposition chamber (10); first and second cathodes (20A, 20B) each having a target (24) and disposed next to each other in such an attitude that target surfaces (24a) faces a substrate in the film deposition chamber (10); a magnetic-field formation unit (30) forming a magnetic field in the vicinity of the surfaces (24a) of both targets (24); a film-deposition power source (40) connected to both of the cathodes (20A, 20B); and a shutter (50).
    Type: Application
    Filed: June 25, 2014
    Publication date: June 9, 2016
    Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
    Inventor: Satoshi HIROTA
  • Publication number: 20160076141
    Abstract: A manufacturing method of a hard sliding member of the present invention includes a surface treatment step of surface-treating a surface of a substrate, and a carbon film formation step of forming a carbon film on the surface of the substrate by performing arc ion plating with using a target containing carbon. In the carbon film formation step, formation of the carbon film is started by performing the arc ion plating while introducing a hydrocarbon gas, then an introduction amount of the hydrocarbon gas is reduced and the arc ion plating is continued so as to form an intermediate layer, and a surface layer made of ta-C is formed on a surface.
    Type: Application
    Filed: August 3, 2015
    Publication date: March 17, 2016
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventor: Satoshi HIROTA