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).
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Patent number: 11940048Abstract: 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: GrantFiled: March 10, 2021Date of Patent: March 26, 2024Assignee: MIKUNI CORPORATIONInventors: Toshiaki Ishii, Makoto Koyama, Daisuke Takayama
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Patent number: 11573685Abstract: 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: GrantFiled: June 29, 2020Date of Patent: February 7, 2023Assignee: GREE, Inc.Inventor: Daisuke Takayama
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Patent number: 11448142Abstract: 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 18cType: GrantFiled: January 21, 2021Date of Patent: September 20, 2022Assignee: MIKUNI CORPORATIONInventors: Toshiaki Ishii, Makoto Koyama, Daisuke Takayama, Naoki Tanaka
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Patent number: 11287046Abstract: 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: GrantFiled: August 21, 2018Date of Patent: March 29, 2022Assignee: MIKUNI CORPORATIONInventors: Naoki Tanaka, Keigo Suzuki, Daisuke Takayama, Katsunari Tobe
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Publication number: 20210396315Abstract: 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: ApplicationFiled: March 10, 2021Publication date: December 23, 2021Applicant: MIKUNI CORPORATIONInventors: Toshiaki ISHII, Makoto KOYAMA, Daisuke TAKAYAMA
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Patent number: 11105274Abstract: 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 2Type: GrantFiled: January 21, 2021Date of Patent: August 31, 2021Assignee: MIKUNI CORPORATIONInventors: Toshiaki Ishii, Makoto Koyama, Daisuke Takayama, Naoki Tanaka
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Publication number: 20210254560Abstract: 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 18cType: ApplicationFiled: January 21, 2021Publication date: August 19, 2021Applicant: MIKUNI CORPORATIONInventors: Toshiaki ISHII, Makoto KOYAMA, Daisuke TAKAYAMA, Naoki TANAKA
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Publication number: 20210254559Abstract: 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: ApplicationFiled: January 21, 2021Publication date: August 19, 2021Applicant: MIKUNI CORPORATIONInventors: Toshiaki ISHII, Makoto KOYAMA, Daisuke TAKAYAMA, Naoki TANAKA
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Publication number: 20210254561Abstract: 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 2Type: ApplicationFiled: January 21, 2021Publication date: August 19, 2021Applicant: MIKUNI CORPORATIONInventors: Toshiaki ISHII, Makoto KOYAMA, Daisuke TAKAYAMA, Naoki TANAKA
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Patent number: 10975261Abstract: 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: GrantFiled: December 10, 2015Date of Patent: April 13, 2021Assignee: KANSAI PAINT CO., LTD.Inventors: Daisuke Takayama, Hironori Tonomura, Naoto Matsushima, Shuichi Nakahara
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Patent number: 10913868Abstract: 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: GrantFiled: December 10, 2015Date of Patent: February 9, 2021Assignee: KANSAI PAINT CO., LTD.Inventors: Daisuke Takayama, Hironori Tonomura, Naoto Matsushima, Shuichi Nakahara
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Publication number: 20200362969Abstract: 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: ApplicationFiled: August 21, 2018Publication date: November 19, 2020Applicant: MIKUNI CORPORATIONInventors: Naoki TANAKA, Keigo SUZUKI, Daisuke TAKAYAMA, Katsunari TOBE
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Publication number: 20200326821Abstract: 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: ApplicationFiled: June 29, 2020Publication date: October 15, 2020Applicant: GREE, Inc.Inventor: Daisuke TAKAYAMA
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Patent number: 10732801Abstract: 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: GrantFiled: June 27, 2017Date of Patent: August 4, 2020Assignee: GREE, Inc.Inventor: Daisuke Takayama
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Patent number: 10639672Abstract: 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: GrantFiled: December 10, 2015Date of Patent: May 5, 2020Assignee: KANSAI PAINT CO., LTD.Inventors: Daisuke Takayama, Hironori Tonomura, Naoto Matsushima, Shuichi Nakahara
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Patent number: 10508212Abstract: 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: GrantFiled: December 10, 2015Date of Patent: December 17, 2019Assignee: KANSAI PAINT CO., LTD.Inventors: Daisuke Takayama, Hironori Tonomura, Naoto Matsushima, Shuichi Nakahara
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Publication number: 20180021810Abstract: 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: ApplicationFiled: December 10, 2015Publication date: January 25, 2018Applicant: KANSAI PAINT CO., LTD.Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA
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Publication number: 20180016462Abstract: 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: ApplicationFiled: December 10, 2015Publication date: January 18, 2018Applicant: KANSAI PAINT CO., LTD.Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA
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Publication number: 20170369732Abstract: 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: ApplicationFiled: December 10, 2015Publication date: December 28, 2017Applicant: KANSAI PAINT CO., LTD.Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA
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Publication number: 20170355863Abstract: 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: ApplicationFiled: December 10, 2015Publication date: December 14, 2017Applicant: KANSAI PAINT CO., LTD.Inventors: Daisuke TAKAYAMA, Hironori TONOMURA, Naoto MATSUSHIMA, Shuichi NAKAHARA