Patents by Inventor Yoshitaka Koga

Yoshitaka Koga 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: 11555069
    Abstract: Provided are a cognitive function improving agent effective for improving cognitive function such as memory and learning ability, and a method for evaluating or selecting the cognitive function improving agent. The cognitive function improving agent comprises a GIP function inhibitor as an active ingredient.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: January 17, 2023
    Assignee: Kao Corporation
    Inventors: Fumiaki Okahara, Yoshitaka Koga, Takuya Mori
  • Patent number: 11319369
    Abstract: Provided are a motor control function improving agent for improving a motor control function decreased by aging or tiredness and a method for evaluating or selecting the motor control function improving agent. The motor control function improving agent comprises a GIP function inhibitor as an active ingredient.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: May 3, 2022
    Assignee: Kao Corporation
    Inventors: Fumiaki Okahara, Yoshitaka Koga, Takuya Mori
  • Publication number: 20210212959
    Abstract: Provided is a GIP elevation inhibitor useful as, e.g., a pharmaceutical product and food. The GIP elevation inhibitor comprises mannitol as an active ingredient.
    Type: Application
    Filed: May 22, 2019
    Publication date: July 15, 2021
    Applicant: KAO CORPORATION
    Inventors: Akihiro TAKAMURA, Yoshitaka KOGA, Kohjiro HASHIZUME, Takuya MORI
  • Publication number: 20200397840
    Abstract: To provide an agent for improving a cognitive function effective for improving a cognitive function such as memory and learning ability. An agent for improving a cognitive function, comprising mannitol/a squeeze or as extract of Agaricus bisporus as an active ingredient.
    Type: Application
    Filed: December 20, 2018
    Publication date: December 24, 2020
    Applicant: Kao Corporation
    Inventors: Fumiaki OKAHARA, Yoshitaka KOGA, Michiko YANO, Keiko ISHIDA, Takuya MORI, Koichi MISAWA
  • Publication number: 20190330334
    Abstract: Provided are a motor control function improving agent for improving a motor control function decreased by aging or tiredness and a method for evaluating or selecting the motor control function improving agent. The motor control function improving agent comprises a GIP function inhibitor as an active ingredient.
    Type: Application
    Filed: December 26, 2017
    Publication date: October 31, 2019
    Applicant: Kao Corporation
    Inventors: Fumiaki OKAHARA, Yoshitaka KOGA, Takuya MORI
  • Publication number: 20190330333
    Abstract: Provided are a cognitive function improving agent effective for improving cognitive function such as memory and learning ability, and a method for evaluating or selecting the cognitive function improving agent. The cognitive function improving agent comprises a GIP function inhibitor as an active ingredient.
    Type: Application
    Filed: December 26, 2017
    Publication date: October 31, 2019
    Applicant: Kao Corporation
    Inventors: Fumiaki OKAHARA, Yoshitaka KOGA, Takuya MORI
  • Patent number: 10132795
    Abstract: A method for evaluating or selecting an agent for suppressing GIP level elevation, comprising the following steps (A) to (D): (A) contacting a test substance with a mammal-derived tissue or cell capable of expressing an FABP4 gene or FABP5 gene, or an FABP4 protein or FABP5 protein; (B) measuring an expression level of the FABP4 gene or FABP5 gene, an expression level of the FABP4 protein or FABP5 protein, or an activity of the FABP4 protein or FABP5 protein in the mammal-derived tissue or cell; (C) comparing the expression level or activity measured in the above (B) with an expression level of an FABP4 gene or FABP5 gene, an expression level of an FABP4 protein or FABP5 protein, or an activity of an FABP4 protein or FABP5 protein in a control group; and (D) evaluating or selecting a test substance which reduces the expression level of the FABP4 gene or FABP5 gene, the expression level of the FABP4 protein or FABP5 protein, or the activity of the FABP4 protein or FABP5 protein as an agent suppressing GIP leve
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: November 20, 2018
    Assignee: Kao Corporation
    Inventors: Yoshitaka Koga, Noriko Osaki, Manabu Watanabe
  • Publication number: 20170227526
    Abstract: A method for evaluating or selecting an agent for suppressing GIP level elevation, comprising the following steps (A) to (D): (A) contacting a test substance with a mammal-derived tissue or cell capable of expressing an FABP4 gene or FABP5 gene, or an FABP4 protein or FABP5 protein; (B) measuring an expression level of the FABP4 gene or FABP5 gene, an expression level of the FABP4 protein or FABP5 protein, or an activity of the FABP4 protein or FABP5 protein in the mammal-derived tissue or cell; (C) comparing the expression level or activity measured in the above (B) with an expression level of an FABP4 gene or FABP5 gene, an expression level of an FABP4 protein or FABP5 protein, or an activity of an FABP4 protein or FABP5 protein in a control group; and (D) evaluating or selecting a test substance which reduces the expression level of the FABP4 gene or FABP5 gene, the expression level of the FABP4 protein or FABP5 protein, or the activity of the FABP4 protein or FABP5 protein as an agent suppressing GIP leve
    Type: Application
    Filed: March 6, 2015
    Publication date: August 10, 2017
    Applicant: Kao Corporation
    Inventors: Yoshitaka KOGA, Noriko OSAKI, Manabu WATANABE
  • Patent number: 9549483
    Abstract: An engine control unit including a substantially rectangular printed circuit board in which a microcontroller is mounted. The printed circuit board includes a connector portion in which connection terminals are provided to be arranged in one side edge portion along the longitudinal direction thereof. The connection terminals of the connector portion include connection terminals for input on one side in the longitudinal direction and connection terminals for output on the other side with respect to a setting position. A microcontroller is disposed at substantially the center portion of the printed circuit board in the longitudinal direction thereof. An electronic component as an input interface circuit is disposed on the one side in the longitudinal direction, and an electronic component as an output interface circuit is disposed on the other side.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: January 17, 2017
    Assignee: MIKUNI CORPORATION
    Inventors: Ichiro Tsuji, Ryuichi Yamazaki, Yoshitaka Koga
  • Publication number: 20150116955
    Abstract: An engine control unit including a substantially rectangular printed circuit board in which a microcontroller is mounted. The printed circuit board includes a connector portion in which connection terminals are provided to be arranged in one side edge portion along the longitudinal direction thereof. The connection terminals of the connector portion include connection terminals for input on one side in the longitudinal direction and connection terminals for output on the other side with respect to a setting position. A microcontroller is disposed at substantially the center portion of the printed circuit board in the longitudinal direction thereof. An electronic component as an input interface circuit is disposed on the one side in the longitudinal direction, and an electronic component as an output interface circuit is disposed on the other side.
    Type: Application
    Filed: November 26, 2014
    Publication date: April 30, 2015
    Applicant: MIKUNI CORPORATION
    Inventors: Ichiro TSUJI, Ryuichi YAMAZAKI, Yoshitaka KOGA
  • Patent number: 8677848
    Abstract: A speed reduction device for a power seat adapted to be fixed to a seat frame, the speed reduction device includes a worm gear rotating with a motor output shaft, a helical gear meshed with the worm gear and rotating with a drive shaft driving a movable portion of the power seat, and a casing accommodating the worm gear and the helical gear. The casing includes a casing body rotatably supporting the worm gear, a casing cover tightened to the casing body, annular fitting portions fitted to each other, a first engagement portion formed at an outer circumferential side of the annular fitting portion of one of the casing body and the casing cover, a second engagement portion formed at the other of the casing body and the casing cover and engaging with the first engagement portion, and a tightening means tightening the casing cover to the casing body.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: March 25, 2014
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Yoshitaka Koga, Eiichiro Tsuji
  • Patent number: 8443690
    Abstract: A speed reduction device for a power seat includes a worm gear, a helical gear, a casing including a casing body and a casing cover, and a motor fixation device. The motor fixation device includes a first fitting portion provided at a housing, a first engagement portion formed at the first fitting portion, a second fitting portion formed at the casing body and to which the first fitting portion is fitted, a second engagement portion formed at the second fitting portion and arranged to overlap the first engagement portion in a direction perpendicular to the output shaft of the motor in a case where the first fitting portion is fitted to the second fitting portion, and an engagement projection formed at the casing cover and engaging with the first engagement portion and the second engagement portion in a case where the casing cover is tightened to the casing body.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: May 21, 2013
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventor: Yoshitaka Koga
  • Patent number: 8348326
    Abstract: A seat slide apparatus for a vehicle includes: a plurality of lower rails adapted to be fixed at a floor of the vehicle in an inclining manner relative to the floor of the vehicle; a plurality of upper rails adapted to be slidably supported by the lower rails, respectively, and to support a seat for the vehicle; a motor generating a driving force for moving the upper rails in a manner where the upper rails slide relative to the corresponding lower rails; a transmitting mechanism transmitting the driving force of the motor to the upper rails; and at least one slide-resistance applying portion provided in the transmitting mechanism and applying an increased slide resistance to the transmitting mechanism when the upper rails move to slide downwardly on the inclination while applying a decreased slide resistance to the transmitting mechanism when the upper rails move to slide upwardly on the inclination.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: January 8, 2013
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventor: Yoshitaka Koga
  • Patent number: 8256822
    Abstract: A driving force transmitting device having a direction changing gear mechanism which transmits a rotation torque from a drive shaft to a driven shaft having an axis extending in a direction different from a direction of an axis of the drive shaft. The direction changing gear mechanism includes an output, an input gear attached to the drive shaft for restricting a relative rotation and engaged with the output gear, a gear housing rotatably supporting the output gear and the input gear under engagement condition, wherein one of the output gear and the input gear is provided with a rotation phase adjusting portion exposed outside for adjusting a rotation phase of the output gear relative to a rotation phase of the second engagement portion of the driven shaft upon the output gear being assembled to the driven shaft.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: September 4, 2012
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Yoshitaka Koga, Hirokazu Suzumura, Jueru Shimizu
  • Patent number: 8256317
    Abstract: A transmission device that transmits rotation of a drive cable to a screw shaft is provided. The transmission device includes a worm gear attached to the drive cable, a helical gear attached to the screw shaft, a gear case, a pair of first bearing wall portions, and a pair of second bearing wall portions. The gear case has an opening on one side so as to accommodate the worm gear and the helical gear. The first bearing wall portions are integrally formed with the gear case so as to face each other along the axial direction of the drive cable, and rotatably support both ends of the worm gear. The second bearing wall portions are integrally formed with the gear case so as to face each other along the axial direction of the screw shaft, and rotatably support both ends of the helical gear.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: September 4, 2012
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Yoshitaka Koga, Hirokazu Suzumura
  • Patent number: 8171823
    Abstract: A power seat driving apparatus for a vehicle includes a moving unit and a decelerating mechanism, wherein the decelerating mechanism includes a driving gear to which a driving force is inputted, a driven gear engaged with the driving gear so as to be rotatably driven by the driving gear while decelerating a rotational speed of the driving force transmitted thereto, and a housing, at least one of the driving gear and the driven gear includes a shaft portion and a gear portion including a tooth portion, which engages with a tooth portion of the other one of the driving gear and the driven gear, an annular recessed portion is formed at a stepped portion between the gear portion and the shaft portion, the annular recessed portion, and the housing includes a bearing bore having a bearing surface and an annular protruding portion, which is fitted into the annular recessed portion.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: May 8, 2012
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Yoshitaka Koga, Hirokazu Suzumura, Eiichiro Tsuji
  • Patent number: 8128051
    Abstract: A seat sliding apparatus for a vehicle includes lower rails, upper rails, screw mechanisms provided between the upper rails and the lower rails, the screw mechanism including a screw shaft and a nut which is engaged with the screw shaft, one of the screw shaft and the nut being mounted to the upper rail so as to rotate, the other of the screw shaft and the nut being fixedly mounted to the lower rail, and a slide driving mechanism including a driving motor, a transmission mechanism for transmitting a rotational force outputted from the driving motor to one of the screw shaft and the nut so as to rotate, a bracket having the driving motor and the transmission mechanism mounted thereon and connecting the upper rails, and a protection cover attached to the bracket for covering at least lower and bottom sides of the driving motor and the transmission mechanism.
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: March 6, 2012
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Yoshitaka Koga, Jueru Shimizu
  • Patent number: 8038197
    Abstract: A power seat apparatus for a vehicle includes a lower rail, an upper rail, a screw member, a feed nut member fixed to the lower rail and meshed with the screw member, a retention member fixed to the upper rail, a fitting member rotatably held by the retention member and fixed to the screw member, a gear box mounted on the retention member and rotatably supporting an output rotation member, a drive unit transmitting a rotation drive force to the screw member, and first and second cut-and-lifted portions formed at first and second longitudinal walls of the upper rail respectively, the cut-and-lifted portions making contact with the fitting member when a load is applied to the screw member in an axial direction thereof to distribute the load to the upper rail, the cut-and lifted portions being formed by bending portions of the first and second longitudinal walls.
    Type: Grant
    Filed: September 9, 2009
    Date of Patent: October 18, 2011
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventor: Yoshitaka Koga
  • Publication number: 20110031774
    Abstract: A seat slide apparatus for a vehicle includes: a plurality of lower rails adapted to be fixed at a floor of the vehicle in an inclining manner relative to the floor of the vehicle; a plurality of upper rails adapted to be slidably supported by the lower rails, respectively, and to support a seat for the vehicle; a motor generating a driving force for moving the upper rails in a manner where the upper rails slide relative to the corresponding lower rails; a transmitting mechanism transmitting the driving force of the motor to the upper rails; and at least one slide-resistance applying portion provided in the transmitting mechanism and applying an increased slide resistance to the transmitting mechanism when the upper rails move to slide downwardly on the inclination while applying a decreased slide resistance to the transmitting mechanism when the upper rails move to slide upwardly on the inclination.
    Type: Application
    Filed: July 16, 2010
    Publication date: February 10, 2011
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventor: Yoshitaka KOGA
  • Publication number: 20110023643
    Abstract: A speed reduction device for a power seat includes a worm gear, a helical gear, a casing including a casing body and a casing cover, and a motor fixation device. The motor fixation device includes a first fitting portion provided at a housing, a first engagement portion formed at the first fitting portion, a second fitting portion formed at the casing body and to which the first fitting portion is fitted, a second engagement portion formed at the second fitting portion and arranged to overlap the first engagement portion in a direction perpendicular to the output shaft of the motor in a case where the first fitting portion is fitted to the second fitting portion, and an engagement projection formed at the casing cover and engaging with the first engagement portion and the second engagement portion in a case where the casing cover is tightened to the casing body.
    Type: Application
    Filed: July 13, 2010
    Publication date: February 3, 2011
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventor: Yoshitaka KOGA