Patents by Inventor Keigo Suzuki

Keigo Suzuki 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: 20240125276
    Abstract: Provided is an electric throttle valve 10 including: a valve body 16 including an accommodating space 19 therein and having an opening 25 that faces the accommodating space 19; a cover 11 secured to the valve body and covering the opening 25; and an electric motor 12 and a sensor 60 installed in the accommodating space 19, the cover 11 including a connector 30 for connection of a wiring between the electric motor 12 or the sensor 60 and outside, the connector 30 being installed in a desired direction with respect to the cover 11 and secured to the cover 11.
    Type: Application
    Filed: March 17, 2021
    Publication date: April 18, 2024
    Applicant: MIKUNI CORPORATION
    Inventors: Yuuhei SANEKATA, Keigo SUZUKI, Yuusaku IDE, Kazuo MATSUMOTO
  • Publication number: 20240116378
    Abstract: A charge-discharge control system according to an aspect of the present invention is a charge-discharge control system in which each of a plurality of charge-discharge elements autonomously controls charging-discharging, and the charge-discharge control system includes: an external control device that broadcasts a control signal to the charge-discharge elements that perform charging-discharging; and an authentication device that permits charging-discharging of each of the charge-discharge elements. The charge-discharge elements having received the control signal transmit, to the authentication device, a permission request signal for requesting permission for charging-discharging, which is based on the received control signal.
    Type: Application
    Filed: February 10, 2021
    Publication date: April 11, 2024
    Applicants: NISSAN MOTOR CO., LTD., RENAULT s.a.s.
    Inventors: Keigo IKEZOE, Kenta SUZUKI, Kensuke MURAI
  • Publication number: 20240117894
    Abstract: A valve device includes a drive gear made of a resin at one end of the valve shaft and includes a detection target of an inductive sensor in the drive gear, the drive gear includes a lever member made of metal and integrated along with the detection target through insert molding in a state where a center portion is exposed in one side surface, an exposure portion of the lever member in the drive gear and the end of the valve shaft are caused to abut each other and rear surfaces of the abutting portions are fixed through laser welding through the outer hole to configure a valve shaft unit, and the lever member is provided with an arc hole extending in a circumferential direction on a radially outer side of the position of the welding with the end of the valve shaft.
    Type: Application
    Filed: September 28, 2023
    Publication date: April 11, 2024
    Applicant: MIKUNI CORPORATION
    Inventors: Yuuhei SANEKATA, Keigo SUZUKI
  • Publication number: 20240117773
    Abstract: In a valve device including: a plate-shaped drive gear provided at an end of a valve shaft made of metal; and, at the drive gear, a detection target of an inductive sensor detecting a rotation angle of the valve shaft, the drive gear has a lever member made of metal and integrated through insert molding in which a part thereof is exposed in the inner surface, the detection target is integrated along with the lever member through the insert molding on a side of the outer surface of the drive gear, and an exposure portion of the lever member at the drive gear including the lever member and the detection target and the end of the valve shaft are caused to abut each other, and a rear side of the abutting part is laser-welded from the side of an outer hole and is fixed thereby to configure a shaft unit.
    Type: Application
    Filed: September 28, 2023
    Publication date: April 11, 2024
    Applicant: MIKUNI CORPORATION
    Inventors: Yuuhei SANEKATA, Keigo SUZUKI
  • Publication number: 20240120742
    Abstract: A charge/discharge control method for a charge/discharge element includes receiving a request value (Pfr) of a frequency adjustment capacity according to a system frequency (f) of an electric power system (10) based on a priority degree (?) and the request value (Pfr) being received, the priority degree indicating a degree at which charging or discharging of an own element (EV1) is prioritized over charging or discharging of another charge/discharge element (EV2, EV3, . . . ), correcting the output property to increase an upper limit value or a lower limit value of an output range as the priority degree (?) is higher, and performing charging or discharging with an output determined based on a deviation (?f) between the system frequency (f) measured at a connection end to the electric power system (10) and a reference frequency (fref) of the electric power system (10) and the output property after the correction.
    Type: Application
    Filed: February 10, 2021
    Publication date: April 11, 2024
    Applicants: NISSAN MOTOR CO., LTD., RENAULT s.a.s.
    Inventors: Kenta SUZUKI, Keigo IKEZOE, Kensuke MURAI
  • Publication number: 20240117774
    Abstract: A torsion coil spring biasing and rotating a drive gear of a valve device in one direction and defining a rotation position of a valve body when an electric motor is not operating is included, one end of the torsion coil spring is locked at any one of two locking portions provided at the drive gear, the other end is locked at a casing rotatably supporting the valve shaft, the drive gear is a plate-shaped members including two locking portions and formed linearly symmetrically, the locking portions are formed into hook shapes including extending portions extending in a direction away from an inner surface of the drive gear and distal end portions projecting along the inner surface from distal ends of the extending portions. The drive gear includes openings at positions at which the openings overlap the distal end portions in a view in a direction of the axial line.
    Type: Application
    Filed: September 28, 2023
    Publication date: April 11, 2024
    Applicant: MIKUNI CORPORATION
    Inventors: Yuuhei SANEKATA, Keigo SUZUKI, Taiki TAGAYA
  • Publication number: 20240097467
    Abstract: The power reception control device is configured to: acquire information indicating differential power obtained by subtracting a current value of total transmission power transmitted to an entirety of a load group via a power supply base point, from a maximum value of the total transmission power transmittable to the entirety of the load group via the power supply base point; calculate element differential power of an own power receiving element by multiplying the differential power indicated by the acquired information by a priority of the own power receiving element, the priority indicating a degree to which power reception of the own power receiving element takes priority over power reception of another power receiving element; and control charging-discharging of the own power receiving element based on the element differential power and a charge-discharge schedule of a power system.
    Type: Application
    Filed: February 10, 2021
    Publication date: March 21, 2024
    Applicants: NISSAN MOTOR CO., LTD., RENAULT s.a.s.
    Inventors: Kensuke MURAI, Keigo IKEZOE, Kenta SUZUKI
  • Publication number: 20240088677
    Abstract: A charge-discharge loss reduction device includes a power reception control device that controls power received or discharged by power receiving elements included in a load group, in a power system that supplies electric energy to the load group including the power receiving elements via a power supply base point. The power reception control device is configured to change a priority of an own power receiving element using a charge-discharge state of the own power receiving element, the priority indicating a degree to which power reception of the own power receiving element takes priority over power reception of another power receiving element.
    Type: Application
    Filed: February 10, 2021
    Publication date: March 14, 2024
    Applicants: NISSAN MOTOR CO., LTD., RENAULT s.a.s.
    Inventors: Kensuke MURAI, Keigo IKEZOE, Kenta SUZUKI
  • Patent number: 11492983
    Abstract: A transmission mechanism includes: an intermediate shaft secured to a support portion provided in a valve body of an electric throttle valve and disposed in parallel to a motor shaft and a valve shaft; and an intermediate gear rotatably disposed at the intermediate shaft, in which the intermediate gear has a first intermediate gear engaged with a motor gear secured to the motor shaft and a second intermediate gear engaged with a valve gear secured to the valve shaft, the first intermediate gear and the second intermediate gear are integrally configured to be aligned in an axial direction of the intermediate shaft, a hemispherical recessed portion recessed upward around an axial center of the intermediate shaft is formed at a lower end portion of the intermediate gear, and a projecting portion projecting upward in a hemispherical shape around the axial center of the intermediate shaft and supporting the recessed portion is formed in a surface of the support portion facing the recessed portion of the intermedia
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: November 8, 2022
    Assignee: MIKUNI CORPORATION
    Inventors: Yuuhei Sanekata, Keigo Suzuki, Yuusaku Ide, Hiroki Ota
  • Publication number: 20220299116
    Abstract: Provided is an electric throttle valve incorporating a deceleration mechanism in a housing space between a cover including a connector and a valve body with the valve body and the cover laser-welded to seal the housing space, in which the deceleration mechanism includes an intermediate shaft disposed to be parallel to a motor shaft and a valve shaft, a first intermediate gear engaged with a motor gear secured to an end portion of the motor shaft, and a second intermediate gear engaged with a valve gear secured to the valve shaft, the first intermediate gear and the second intermediate gear are disposed to be aligned in an axial direction of the intermediate shaft and are integrally configured, the first intermediate gear is disposed to be closer to the electric motor than the second intermediate gear, and the connector is disposed above the motor shaft and on a side of the second intermediate gear.
    Type: Application
    Filed: March 15, 2022
    Publication date: September 22, 2022
    Applicant: MIKUNI CORPORATION
    Inventors: Yuuhei SANEKATA, Keigo SUZUKI, Yuusaku IDE, Yuuta TANAKA
  • Publication number: 20220298978
    Abstract: A transmission mechanism includes: an intermediate shaft secured to a support portion provided in a valve body of an electric throttle valve and disposed in parallel to a motor shaft and a valve shaft; and an intermediate gear rotatably disposed at the intermediate shaft, in which the intermediate gear has a first intermediate gear engaged with a motor gear secured to the motor shaft and a second intermediate gear engaged with a valve gear secured to the valve shaft, the first intermediate gear and the second intermediate gear are integrally configured to be aligned in an axial direction of the intermediate shaft, a hemispherical recessed portion recessed upward around an axial center of the intermediate shaft is formed at a lower end portion of the intermediate gear, and a projecting portion projecting upward in a hemispherical shape around the axial center of the intermediate shaft and supporting the recessed portion is formed in a surface of the support portion facing the recessed portion of the intermedia
    Type: Application
    Filed: March 16, 2022
    Publication date: September 22, 2022
    Applicant: MIKUNI CORPORATION
    Inventors: Yuuhei SANEKATA, Keigo SUZUKI, Yuusaku IDE, Hiroki OTA
  • Patent number: 11306274
    Abstract: Provided are a liquid detergent composition for hard surfaces which is excellent in detergency against oil spots including a degenerated oil such as a thermally degenerated oil; and a method for cleaning a hard surface using the liquid detergent composition. The liquid detergent composition for hard surfaces contains (a) an alkyl or alkenyl amine oxide in which the alkyl group or the alkenyl group has a predetermined number of carbons; a monooxyethylene or polyoxyethylene alkyl or alkenyl amine in which the alkyl group or the alkenyl group has 8 or more and 24 or less carbons and the number of added moles of the oxyethylene group is 1 or more and 8 or less; and water, wherein in the amine, the content of (b) a monooxyethylene or polyoxyethylene alkyl or alkenyl amine in which the alkyl group or the alkenyl group has a predetermined number of carbons and the number of added moles of the oxyethylene group is 1 or more and 3 or less is 50% by mass or more.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: April 19, 2022
    Assignee: KAO CORPORATION
    Inventors: Shinya Saito, Keigo Suzuki, Takuji Kawamura
  • Patent number: 11287046
    Abstract: A valve device of the present invention includes: a body (10) defining a passage (11) through which fluid flows; a valve shaft (20) pivotably supported by the body; a butterfly valve (30) fixed to the valve shaft to open and close the passage; and a drive unit (60) configured to impart a rotational drive force to the valve shaft. The body has a protrusion portion (17) formed integrally in a manner of protruding from an outer wall (10a) of the body, and the drive unit (60) is fixed to the body (10) via the protrusion portion (17). Accordingly, influence of heat of high-temperature fluid can be suppressed or prevented, and the opening and closing operation can be performed with high precision.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: March 29, 2022
    Assignee: MIKUNI CORPORATION
    Inventors: Naoki Tanaka, Keigo Suzuki, Daisuke Takayama, Katsunari Tobe
  • Patent number: 11105272
    Abstract: A throttle device includes a default mechanism. The default mechanism includes: a defining portion arranged on the body to define the default position; a first rotation body which rotates integrally with the valve shaft; a second rotation body which can rotate relative to the valve shaft and which engages with the defining portion to limit the rotation in a valve-closing direction; a first urging spring which is interposed between the first rotation body and the body and urges the first rotation body in the valve-closing direction; and a second urging spring which is interposed between the first rotation body and the second rotation body, and urges so as to draw the first rotation body in a valve-opening direction and draw the second rotation body in the valve-closing direction to engage the two with each other and to maintain the engagement during the non-operation of the drive source.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: August 31, 2021
    Assignee: MIKUNI CORPORATION
    Inventors: Sho Moriya, Keigo Suzuki, Masaki Hiei
  • Publication number: 20210261881
    Abstract: Provided is a liquid detergent composition for hard surfaces which contains (a1) an amine oxide-type surfactant having at least one alkyl group or alkenyl group with 13 or more and 18 or less carbons [hereinafter, referred to as component (a1)]; and (b1) a sorbitan fatty acid ester in which the fatty acid residue has 10 or more and 18 or less carbons [hereinafter, referred to as component (b1)]; and water, wherein the mass ratio of the content of component (a1) to the content of component (b1), (a1)/(b1), is 0.4 or more. Also provided is a liquid detergent composition for hard surfaces which contains a surfactant in an amount of 0.
    Type: Application
    Filed: May 7, 2021
    Publication date: August 26, 2021
    Applicant: KAO CORPORATION
    Inventors: Shinya SAITO, Keigo SUZUKI, Takuji KAWAMURA
  • Patent number: 11021678
    Abstract: Provided is a liquid detergent composition for hard surfaces which contains (a1) an amine oxide-type surfactant having at least one alkyl group or alkenyl group with 13 or more and 18 or less carbons [hereinafter, referred to as component (a1)]; and (b1) a sorbitan fatty acid ester in which the fatty acid residue has 10 or more and 18 or less carbons [hereinafter, referred to as component (b1)]; and water, wherein the mass ratio of the content of component (a1) to the content of component (b1), (a1)/(b1), is 0.4 or more. Also provided is a liquid detergent composition for hard surfaces which contains a surfactant in an amount of 0.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: June 1, 2021
    Assignee: KAO CORPORATION
    Inventors: Shinya Saito, Keigo Suzuki, Takuji Kawamura
  • Publication number: 20200362969
    Abstract: A valve device of the present invention includes: a body (10) defining a passage (11) through which fluid flows; a valve shaft (20) pivotably supported by the body; a butterfly valve (30) fixed to the valve shaft to open and close the passage; and a drive unit (60) configured to impart a rotational drive force to the valve shaft. The body has a protrusion portion (17) formed integrally in a manner of protruding from an outer wall (10a) of the body, and the drive unit (60) is fixed to the body (10) via the protrusion portion (17). Accordingly, influence of heat of high-temperature fluid can be suppressed or prevented, and the opening and closing operation can be performed with high precision.
    Type: Application
    Filed: August 21, 2018
    Publication date: November 19, 2020
    Applicant: MIKUNI CORPORATION
    Inventors: Naoki TANAKA, Keigo SUZUKI, Daisuke TAKAYAMA, Katsunari TOBE
  • Publication number: 20200240333
    Abstract: A throttle device includes: a default mechanism. The default mechanism includes: a defining portion arranged on the body to define the default position; a first rotation body which rotates integrally with the valve shaft; a second rotation body which can rotate relative to the valve shaft and which engages with the defining portion to limit the rotation in a valve-closing direction; a first urging spring which is interposed between the first rotation body and the body and urges the first rotation body in the valve-closing direction; and a second urging spring which is interposed between the first rotation body and the second rotation body, and urges so as to draw the first rotation body in a valve-opening direction and draw the second rotation body in the valve-closing direction to engage the two with each other and to maintain the engagement during the non-operation of the drive source.
    Type: Application
    Filed: January 10, 2019
    Publication date: July 30, 2020
    Applicant: MIKUNI CORPORATION
    Inventors: Sho MORIYA, Keigo SUZUKI, Masaki HIEI
  • Patent number: D889619
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: July 7, 2020
    Assignee: SMC CORPORATION
    Inventors: Takahiro Ueda, Takahiro Amemiya, Keigo Suzuki
  • Patent number: D890897
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: July 21, 2020
    Assignee: SMC CORPORATION
    Inventors: Takahiro Ueda, Takahiro Amemiya, Keigo Suzuki