Patents by Inventor Daisuke Takayama

Daisuke Takayama 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: 11940048
    Abstract: A valve device includes a body that defines a passage through which a fluid flows, a shaft that is movably supported with respect to the body and defines an axis, a valve element that is fixed to the shaft to open and close the passage; and a cylindrical bearing bush that movably supports the shaft with respect to the body, in which the bearing bush includes a mixed region in which a metal core material and expanded graphite are mixed with each other, and a first expanded graphite region made of only the expanded graphite such that the metal core material is not exposed in an inner circumferential side region in contact with an outer circumferential surface of the shaft.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: March 26, 2024
    Assignee: MIKUNI CORPORATION
    Inventors: Toshiaki Ishii, Makoto Koyama, Daisuke Takayama
  • Patent number: 11573685
    Abstract: A display data generation method used in a computer including an output module, includes generating display data of page numbers for scrollably displaying page numbers of a plurality of pages each containing predetermined item information, to output the display data of page numbers from the output module, retrieving page information indicating a same number of pages as a number of page numbers displayed in a distance corresponding to a distance between two points in a display region in which the page numbers are displayed when the two points are specified by the user, wherein the number of page numbers are calculated based on the distance between the two points and the distance between adjacent page numbers displayed in the display region, and generating item display data for displaying item information contained in the pages indicated in the retrieved page information, to output the item display data from the output module.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: February 7, 2023
    Assignee: GREE, Inc.
    Inventor: Daisuke Takayama
  • Patent number: 11448142
    Abstract: Provided is an exhaust valve device 1 for a vehicle in which a valve element 7 is supported in an exhaust passage 4 by a rotating shaft 5 axially supported by a valve body 3, a flexible joint member 16 is secured to an output shaft 13a of a motor unit 13 attached to the valve body 3, and a lower end of the flexible joint member 16 and an upper end of the rotating shaft 5 are coupled via a rigid joint member 15, in which the rigid joint member 15 includes: a sealing element 18 having a sealing surface 18a and arm portions 18c, the sealing surface 18a being coupled to one end of the rotating shaft 5 and sealing an axially supported portion of one end of the rotating shaft to prevent exhaust gas from leaking, the arm portions 18c being formed in a periphery of the sealing surface 18a; and a transmission element 19 having a spring groove 19a and engagement grooves 19b, the spring groove 19a being coupled to the end of the flexible joint member 16, the engagement grooves 19b being engaged with the arm portions 18c
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: September 20, 2022
    Assignee: MIKUNI CORPORATION
    Inventors: Toshiaki Ishii, Makoto Koyama, Daisuke Takayama, Naoki Tanaka
  • 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
  • Publication number: 20210396315
    Abstract: A valve device includes a body that defines a passage through which a fluid flows, a shaft that is movably supported with respect to the body and defines an axis, a valve element that is fixed to the shaft to open and close the passage; and a cylindrical bearing bush that movably supports the shaft with respect to the body, in which the bearing bush includes a mixed region in which a metal core material and expanded graphite are mixed with each other, and a first expanded graphite region made of only the expanded graphite such that the metal core material is not exposed in an inner circumferential side region in contact with an outer circumferential surface of the shaft.
    Type: Application
    Filed: March 10, 2021
    Publication date: December 23, 2021
    Applicant: MIKUNI CORPORATION
    Inventors: Toshiaki ISHII, Makoto KOYAMA, Daisuke TAKAYAMA
  • Patent number: 11105274
    Abstract: An exhaust valve device for a vehicle includes: a valve element 7 axially supported by a rotating shaft 5 in a bore 4 of a valve body 3 produced through casting; sealing projections 21 and 22 integrally formed on an inner circumferential surface of the bore 4 to follow one side portion 7a and the other side portion 7b of an outer circumferential edge of the valve element 7 at a fully closed position; sealing surfaces 21a and 22a of the sealing projections 21 and 22, the right side portion 7a and the left side portion 7b of the valve element 7 at the fully closed position abutting respectively on the sealing surfaces; R-shaped corners 21b and 22b formed between the inner circumferential surface of the bore 4 and the sealing surfaces 21a and 22a; and diameter enlarged portions 25 formed in the inner circumferential surface of the bore 4 to enlarge the bore 4 that are adjacent respectively to the sealing surfaces 21a and 22a of the sealing projections 21 and 22 and correspond to lengths of the sealing surfaces 2
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: August 31, 2021
    Assignee: MIKUNI CORPORATION
    Inventors: Toshiaki Ishii, Makoto Koyama, Daisuke Takayama, Naoki Tanaka
  • Publication number: 20210254560
    Abstract: Provided is an exhaust valve device 1 for a vehicle in which a valve element 7 is supported in an exhaust passage 4 by a rotating shaft 5 axially supported by a valve body 3, a flexible joint member 16 is secured to an output shaft 13a of a motor unit 13 attached to the valve body 3, and a lower end of the flexible joint member 16 and an upper end of the rotating shaft 5 are coupled via a rigid joint member 15, in which the rigid joint member 15 includes: a sealing element 18 having a sealing surface 18a and arm portions 18c, the sealing surface 18a being coupled to one end of the rotating shaft 5 and sealing an axially supported portion of one end of the rotating shaft to prevent exhaust gas from leaking, the arm portions 18c being formed in a periphery of the sealing surface 18a; and a transmission element 19 having a spring groove 19a and engagement grooves 19b, the spring groove 19a being coupled to the end of the flexible joint member 16, the engagement grooves 19b being engaged with the arm portions 18c
    Type: Application
    Filed: January 21, 2021
    Publication date: August 19, 2021
    Applicant: MIKUNI CORPORATION
    Inventors: Toshiaki ISHII, Makoto KOYAMA, Daisuke TAKAYAMA, Naoki TANAKA
  • Publication number: 20210254559
    Abstract: Provided is an exhaust valve device 1 for a vehicle in which a valve element 7 is supported to be able to be opened and closed in an exhaust passage 4 by a rotating shaft 5 axially supported by a valve body 3, a motor unit 13 is attached to the valve body 3 via a thermal insulation bracket 11, and an output shaft 13a of the motor unit 13 is coupled to the rotating shaft 5, the exhaust valve device 1 including: an outer circumferential, guide surface 10a provided at the valve body 3 and having an arc shape around an axial line C of the rotating shaft 5 at the center; and an inner circumferential guide surface 12a provided at the thermal insulation bracket 11 and brought into slide contact with the outer circumferential guide surface 10a to guide the thermal insulation bracket 11 to be secured at a prescribed securing angle to the valve body 3 around the axial line C of the rotating shaft 5 at the center.
    Type: Application
    Filed: January 21, 2021
    Publication date: August 19, 2021
    Applicant: MIKUNI CORPORATION
    Inventors: Toshiaki ISHII, Makoto KOYAMA, Daisuke TAKAYAMA, Naoki TANAKA
  • Publication number: 20210254561
    Abstract: An exhaust valve device for a vehicle includes: a valve element 7 axially supported by a rotating shaft 5 in a bore 4 of a valve body 3 produced through casting; sealing projections 21 and 22 integrally formed on an inner circumferential surface of the bore 4 to follow one side portion 7a and the other side portion 7b of an outer circumferential edge of the valve element 7 at a fully closed position; sealing surfaces 21a and 22a of the sealing projections 21 and 22, the right side portion 7a and the left side portion 7b of the valve element 7 at the fully closed position abutting respectively on the sealing surfaces; R-shaped corners 21b and 22b formed between the inner circumferential surface of the bore 4 and the sealing surfaces 21a and 22a; and diameter enlarged portions 25 formed in the inner circumferential surface of the bore 4 to enlarge the bore 4 that are adjacent respectively to the sealing surfaces 21a and 22a of the sealing projections 21 and 22 and correspond to lengths of the sealing surfaces 2
    Type: Application
    Filed: January 21, 2021
    Publication date: August 19, 2021
    Applicant: MIKUNI CORPORATION
    Inventors: Toshiaki ISHII, Makoto KOYAMA, Daisuke TAKAYAMA, Naoki TANAKA
  • Patent number: 10975261
    Abstract: The problem to be solved by the present invention is to provide an aqueous coating composition having an excellent finished appearance, such as smoothness and distinctness of image, as well as metallic feel and no metallic mottling when the composition comprises an effect pigment; excellent coating film performance, such as water resistance; and excellent storage stability. The present invention provides an aqueous coating composition comprising (A) acrylic resin particles, (B) a water-soluble acrylic resin, and (C) a phosphoric acid compound represented by a specific formula and having hydrocarbon (and optionally polyoxyalkylene); and also provides a method for forming a coating film, comprising applying the aqueous coating composition, as well as an article coated with the aqueous coating composition.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: April 13, 2021
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Daisuke Takayama, Hironori Tonomura, Naoto Matsushima, Shuichi Nakahara
  • Patent number: 10913868
    Abstract: The problem to be solved by the present invention is to provide an aqueous coating composition that can form a multilayer coating film having excellent storage stability, excellent adhesion to plastic base materials, excellent finish, and excellent coating film performance, such as water resistance; and to also provide a coating method using the composition. The present invention provides an aqueous coating composition comprising (A) an aqueous dispersion of a modified polyolefin, (B) an aqueous acrylic resin and/or an aqueous polyester resin, and (C) a phosphoric acid compound represented by a specific formula; and also provides a method for forming a coating film, comprising applying the aqueous coating composition, as well as an article coated with the aqueous coating composition.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: February 9, 2021
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Daisuke Takayama, Hironori Tonomura, Naoto Matsushima, Shuichi Nakahara
  • 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: 20200326821
    Abstract: A display data generation method used in a computer including an output module, includes generating display data of page numbers for scrollably displaying page numbers of a plurality of pages each containing predetermined item information, to output the display data of page numbers from the output module, retrieving page information indicating a same number of pages as a number of page numbers displayed in a distance corresponding to a distance between two points in a display region in which the page numbers are displayed when the two points are specified by the user, wherein the number of page numbers are calculated based on the distance between the two points and the distance between adjacent page numbers displayed in the display region, and generating item display data for displaying item information contained in the pages indicated in the retrieved page information, to output the item display data from the output module.
    Type: Application
    Filed: June 29, 2020
    Publication date: October 15, 2020
    Applicant: GREE, Inc.
    Inventor: Daisuke TAKAYAMA
  • Patent number: 10732801
    Abstract: A display data generation method used in a computer including an output module, includes generating display data of page numbers for scrollably displaying page numbers of a plurality of pages each containing predetermined item information, to output the display data of page numbers from the output module, retrieving page information indicating a same number of pages as a number of page numbers displayed in a distance corresponding to a distance between two points in a display region in which the page numbers are displayed when the two points are specified by the user, wherein the number of page numbers are calculated based on the distance between the two points and the distance between adjacent page numbers displayed in the display region, and generating item display data for displaying item information contained in the pages indicated in the retrieved page information, to output the item display data from the output module.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: August 4, 2020
    Assignee: GREE, Inc.
    Inventor: Daisuke Takayama
  • Patent number: 10639672
    Abstract: The problem to be solved by the present invention is to provide a method for forming a multilayer coating film using a 3-coat 1-bake process, the method comprising sequentially applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate and simultaneously heat-curing the resulting three layers to form a multilayer coating film having an excellent finished appearance, such as smoothness and distinctness of image, as well as metallic feel and no metallic mottling when the composition comprises an effect pigment, and exhibiting excellent coating film performance, such as water resistance.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: May 5, 2020
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Daisuke Takayama, Hironori Tonomura, Naoto Matsushima, Shuichi Nakahara
  • Patent number: 10508212
    Abstract: The problem to be solved by the present invention is to provide a method for forming a multilayer coating film using a 3-coat 1-bake process, the method comprising sequentially applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate and simultaneously heat-curing the resulting three layers to form a multilayer coating film having excellent smoothness and distinctness of image, as well as excellent coating film performance, such as water resistance.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: December 17, 2019
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Daisuke Takayama, Hironori Tonomura, Naoto Matsushima, Shuichi Nakahara
  • Publication number: 20180021810
    Abstract: The problem to be solved by the present invention is to provide a method for forming a multilayer coating film using a 3-coat 1-bake process, the method comprising sequentially applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate and simultaneously heat-curing the resulting three layers to form a multilayer coating film having an excellent finished appearance, such as smoothness and distinctness of image, as well as metallic feel and no metallic mottling when the composition comprises an effect pigment, and exhibiting excellent coating film performance, such as water resistance.
    Type: Application
    Filed: December 10, 2015
    Publication date: January 25, 2018
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA
  • Publication number: 20180016462
    Abstract: The problem to be solved by the present invention is to provide a method for forming a multilayer coating film using a 3-coat 1-bake process, the method comprising sequentially applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate and simultaneously heat-curing the resulting three layers to form a multilayer coating film having excellent smoothness and distinctness of image, as well as excellent coating film performance, such as water resistance.
    Type: Application
    Filed: December 10, 2015
    Publication date: January 18, 2018
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA
  • Publication number: 20170369732
    Abstract: The problem to be solved by the present invention is to provide an aqueous coating composition having an excellent finished appearance, such as smoothness and distinctness of image, as well as metallic feel and no metallic mottling when the composition comprises an effect pigment; excellent coating film performance, such as water resistance; and excellent storage stability. The present invention provides an aqueous coating composition comprising (A) acrylic resin particles, (B) a water-soluble acrylic resin, and (C) a phosphoric acid compound represented by a specific formula and having hydrocarbon (and optionally polyoxyalkylene); and also provides a method for forming a coating film, comprising applying the aqueous coating composition, as well as an article coated with the aqueous coating composition.
    Type: Application
    Filed: December 10, 2015
    Publication date: December 28, 2017
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA
  • Publication number: 20170355863
    Abstract: The problem to be solved by the present invention is to provide an aqueous coating composition that can form a multilayer coating film having excellent storage stability, excellent adhesion to plastic base materials, excellent finish, and excellent coating film performance, such as water resistance; and to also provide a coating method using the composition. The present invention provides an aqueous coating composition comprising (A) an aqueous dispersion of a modified polyolefin, (B) an aqueous acrylic resin and/or an aqueous polyester resin, and (C) a phosphoric acid compound represented by a specific formula; and also provides a method for forming a coating film, comprising applying the aqueous coating composition, as well as an article coated with the aqueous coating composition.
    Type: Application
    Filed: December 10, 2015
    Publication date: December 14, 2017
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA