Patents by Inventor Hiroyuki Hamasaki

Hiroyuki Hamasaki 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: 20190020849
    Abstract: An image processing apparatus includes an image processing unit that calculates two types of image data from one image data and outputs the calculated image data, a data combination unit that combines the two type of data supplied from the image processing unit and outputs the combined data to one terminal, an output buffer that adjusts an output timing of the combined data according to an instruction supplied from bus arbitration means for arbitrating a bus, and a data distribution unit that outputs the combined data output from the output buffer to the bus in a form of the combined data, or distributes the combined data and outputs the distributed data to the bus according to an external combination distribution instruction.
    Type: Application
    Filed: September 17, 2018
    Publication date: January 17, 2019
    Inventors: Hiroyuki HAMASAKI, Atsushi NAKAMURA, Manabu KOIKE, Hideaki KIDO, Nobuyasu KANEKAWA
  • Patent number: 10174646
    Abstract: A valve opening and closing timing control apparatus includes: a driving side rotor synchronously rotating with a crankshaft of an internal combustion engine; a driven side rotor disposed coaxially with a rotary axis of the driving side rotor and synchronously rotating with a camshaft; a connecting bolt disposed coaxially with the rotary axis, and connecting the driven side rotor to the camshaft; and a position determination unit performing positioning between the driven side rotor and the camshaft, or in a case where an intermediate member is provided between the driven side rotor and the camshaft, between the driven side rotor and the intermediate member, or between the camshaft and the intermediate member, wherein the position determination unit includes an engaging pin, first and second hole portions, and a deformation absorbing unit.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: January 8, 2019
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Takeo Asahi, Yuji Noguchi, Hideyuki Suganuma, Hiroyuki Hamasaki, Toru Sakakibara, Tomohiro Kajita, Kazuya Saito, Yusuke Maekawa
  • Patent number: 10161272
    Abstract: A valve opening and closing timing control apparatus includes: a driving side rotor synchronously rotating with a crankshaft of an internal combustion engine; a driven side rotor disposed coaxially with the driving side rotor and synchronously rotating with a camshaft; a fluid pressure chamber formed on at least one of the driving side and driven side rotors, and partitioned into advance angle and retard angle chambers; a bolt member disposed coaxially with a rotary axis of the driven side rotor, connecting the driven side rotor and the camshaft, and provided with a cylindrical portion; a partition body provided with a press-fit portion, and partitioning the cylindrical portion into first and second flow passages; a valve body opening and closing the first flow passage; and a valve housing body accommodating the valve body.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: December 25, 2018
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Hiroyuki Hamasaki, Yuji Noguchi, Takeo Asahi, Toru Sakakibara, Tomohiro Kajita, Hideyuki Suganuma, Tomokazu Harada
  • Patent number: 10132213
    Abstract: A valve opening and closing timing control apparatus includes: a driving side rotor synchronously rotating with a crankshaft of an engine; a driven side rotor disposed coaxially with the driving side rotor and synchronously rotating with a camshaft in the internal combustion engine; a fluid pressure chamber formed on at least one of the driving side and driven side rotors, and partitioned into advance angle and retard angle chambers; a bolt disposed coaxially with a rotary axis of the driven side rotor, connecting the driven side rotor and the camshaft, and including a cylindrical portion coaxial with the rotary axis; and a partition body including a press-fit portion press-fitted into the cylindrical portion, and partitioning the cylindrical portion into first and second flow passages for use for feeding and discharging working fluid to and from the fluid pressure chamber, wherein the press-fit portion is provided with a cutting portion.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: November 20, 2018
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Hiroyuki Hamasaki, Yuji Noguchi, Takeo Asahi, Toru Sakakibara, Tomohiro Kajita, Hideyuki Suganuma, Tomokazu Harada
  • Patent number: 10113450
    Abstract: A valve opening and closing timing control apparatus includes: a driving side rotor synchronously rotating with a crankshaft of an engine; a driven side rotor disposed at a coaxial core with a rotary shaft core of the driving side rotor and integrally rotating with a camshaft for a valve opening and closing; a connecting bolt disposed at the coaxial core with the rotary shaft core to connect the driven side rotor to the camshaft, and on which an advance angle port and a retard angle port are formed on an outer peripheral surface; and a spool disposed in a spool chamber of the inside of the connecting bolt, and controlling the feeding and discharging of working fluid to the advance angle port or the retard angle port from a pump port formed on the connecting bolt.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: October 30, 2018
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Hideyuki Suganuma, Yuji Noguchi, Takeo Asahi, Hiroyuki Hamasaki, Toru Sakakibara, Tomohiro Kajita
  • Patent number: 10104332
    Abstract: An image processing apparatus includes an image processing unit that calculates two types of image data from one image data and outputs the calculated image data, a data combination unit that combines the two type of data supplied from the image processing unit and outputs the combined data to one terminal, an output buffer that adjusts an output timing of the combined data according to an instruction supplied from bus arbitration means for arbitrating a bus, and a data distribution unit that outputs the combined data output from the output buffer to the bus in a form of the combined data, or distributes the combined data and outputs the distributed data to the bus according to an external combination distribution instruction.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: October 16, 2018
    Assignee: Renesas Electronics Corporation
    Inventors: Hiroyuki Hamasaki, Atsushi Nakamura, Manabu Koike, Hideaki Kido, Nobuyasu Kanekawa
  • Publication number: 20180283228
    Abstract: A valve opening and closing timing control apparatus includes: a driving side rotator configured to rotate synchronously with a crankshaft of an internal combustion engine; a driven side rotator disposed coaxially with a rotation axis of the driving side rotator and configured to rotate integrally with a valve opening and closing camshaft; a phase controller configured to control a relative rotation phase between the driving side rotator and the driven side rotator by supply and discharge of a fluid; and a torsion spring configured to attain a biasing force to displace the relative rotation phase between the driving side rotator and the driven side rotator in a predetermined direction. The driving side rotator is fastened to a cover-shaped plate, and the torsion spring includes a first arm and a second arm.
    Type: Application
    Filed: September 14, 2017
    Publication date: October 4, 2018
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Toru Sakakibara, Yuji Noguchi, Takeo Asahi, Hideyuki Suganuma, Hiroyuki Hamasaki, Tomohiro Kajita
  • Publication number: 20180245488
    Abstract: A variable valve timing control device includes a drive-side rotational body, a driven-side rotational body, a connecting bolt coaxially disposed with a rotary axis and connecting the driven-side rotational body to a camshaft, the connecting bolt formed with an advanced-angle port and a retarded-angle port from an outer circumferential surface of the connecting bolt through an inner space, a valve unit disposed at the inner space of the connecting bolt, and a check valve provided at an upstream in a supplying direction of fluid relative to the valve unit. The check valve includes a seat member formed with at least one circulation port at a position being away from the rotary axis; and a valve body configured to close the circulation port at a downstream in the supplying direction of the fluid relative to the seat member, the valve body including an opening portion about the rotary axis.
    Type: Application
    Filed: December 20, 2017
    Publication date: August 30, 2018
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Hiroyuki HAMASAKI, Yuji NOGUCHI, Takeo ASAHI, Tomohiro KAJITA
  • Publication number: 20180241964
    Abstract: An image processing apparatus includes an image processing unit that calculates two types of image data from one image data and outputs the calculated image data, a data combination unit that combines the two type of data supplied from the image processing unit and outputs the combined data to one terminal, an output buffer that adjusts an output timing of the combined data according to an instruction supplied from bus arbitration means for arbitrating a bus, and a data distribution unit that outputs the combined data output from the output buffer to the bus in a form of the combined data, or distributes the combined data and outputs the distributed data to the bus according to an external combination distribution instruction.
    Type: Application
    Filed: April 25, 2018
    Publication date: August 23, 2018
    Inventors: Hiroyuki HAMASAKI, Atsushi NAKAMURA, Manabu KOIKE, Hideaki KIDO, Nobuyasu KANEKAWA
  • Patent number: 10037169
    Abstract: Provided is an image processing device capable of an image processing with using a general-purpose image processing hardware in accordance with video input without mediation of a CPU. The image processing device includes: a storage medium for storing an image data acquired by video inputting unit for acquiring video images; a CPU for a general processing; image processing unit for processing the image data stored in the storage medium; setting unit for determining a processing content of the image processing unit; a command list indicating an order of setting and activating the image processing unit; and command writing unit for setting and activating the image processing unit based on the command list in synchronization with input of the image data from the video inputting unit without mediation of the CPU.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: July 31, 2018
    Assignee: Renesas Electronics Corporation
    Inventors: Hideaki Kido, Shoji Muramatsu, Hiroyuki Hamasaki, Akihiro Yamamoto
  • Patent number: 10027900
    Abstract: Means which enables image conversion in which a plurality of conversion results can be output without once saving all of video-image data, which has been input from image-pickup means, in a storage medium is provided. A single line memory having a plurality of lines is used while switching the role thereof for a reading use by a video-image converting means and a use for inputting image data from the image-pickup means. The image converting means obtains an input image, which is in the line memory, and carries out conversion of the input image based on a conversion specifying means interpreted by an instruction decoder.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: July 17, 2018
    Assignee: Renesas Electronics Corporation
    Inventors: Hideaki Kido, Shoji Muramatsu, Hiroyuki Hamasaki, Akihiro Yamamoto
  • Patent number: 9986196
    Abstract: An image processing apparatus includes an image processing unit that calculates two types of image data from one image data and outputs the calculated image data, a data combination unit that combines the two type of data supplied from the image processing unit and outputs the combined data to one terminal, an output buffer that adjusts an output timing of the combined data according to an instruction supplied from bus arbitration means for arbitrating a bus, and a data distribution unit that outputs the combined data output from the output buffer to the bus in a form of the combined data, or distributes the combined data and outputs the distributed data to the bus according to an external combination distribution instruction.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: May 29, 2018
    Assignee: Renesas Electronics Corporation
    Inventors: Hiroyuki Hamasaki, Atsushi Nakamura, Manabu Koike, Hideaki Kido, Nobuyasu Kanekawa
  • Publication number: 20180135474
    Abstract: A valve opening/closing timing control apparatus includes: a driving side rotator configured to rotate synchronously with a crankshaft of an internal combustion engine; a driven side rotator disposed coaxially with a rotation axis of the driving side rotator and configured to rotate integrally with a valve opening/closing camshaft; a connecting bolt disposed coaxially with the rotation axis to connect the driven side rotator to the camshaft, and having an advanced angle port and a retarded angle port formed to extend from an outer peripheral surface to an inner space thereof, the advanced angle port and the retarded angle port communicating with an advanced angle chamber and a retarded angle chamber between the driving side rotator and the driven side rotator, respectively; and a valve unit disposed in the inner space of the connecting bolt.
    Type: Application
    Filed: November 9, 2017
    Publication date: May 17, 2018
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Takeo ASAHI, Yuji NOGUCHI, Tomohiro KAJITA, Hideyuki SUGANUMA, Hiroyuki HAMASAKI, Hideomi IYANAGA, Toru SAKAKIBARA
  • Publication number: 20180135473
    Abstract: A valve opening/closing timing control apparatus includes: a driving side rotator configured to rotate synchronously with a crankshaft of an internal combustion engine; a driven side rotator disposed coaxially with a rotation axis of the driving side rotator and configured to rotate integrally with a valve opening/closing camshaft; a connecting bolt disposed coaxially with the rotation axis to connect the driven side rotator to the camshaft, and having an advanced angle port and a retarded angle port formed to extend from an outer peripheral surface to an inner space thereof, the advanced angle port and the retarded angle port communicating with an advanced angle chamber and a retarded angle chamber between the driving side rotator and the driven side rotator, respectively; and a valve unit disposed in the inner space of the connecting bolt.
    Type: Application
    Filed: November 9, 2017
    Publication date: May 17, 2018
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Takeo ASAHI, Yuji NOGUCHI, Tomohiro KAJITA, Hideyuki SUGANUMA, Hiroyuki HAMASAKI, Hideomi IYANAGA, Toru SAKAKIBARA
  • Publication number: 20180135471
    Abstract: A valve opening/closing timing control apparatus includes: a driving side rotator configured to rotate synchronously with a crankshaft of an internal combustion engine; a driven side rotator disposed coaxially with a rotation axis of the driving side rotator and configured to rotate integrally with a valve opening/closing camshaft; a connecting bolt disposed coaxially with the rotation axis to connect the driven side rotator to the camshaft, and having an advanced angle port and a retarded angle port formed to extend from an outer peripheral surface to an inner space thereof, the advanced angle port and the retarded angle port communicating with an advanced angle chamber and a retarded angle chamber between the driving side rotator and the driven side rotator, respectively; and a valve unit disposed in the inner space of the connecting bolt.
    Type: Application
    Filed: November 9, 2017
    Publication date: May 17, 2018
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Tomohiro KAJITA, Yuji Noguchi, Takeo Asahi, Hideyuki Suganuma, Hiroyuki Hamasaki, Toru Sakakibara, Hideomi Iyanaga
  • Publication number: 20180135472
    Abstract: A valve opening/closing timing control apparatus includes: a driving side rotator configured to rotate synchronously with a crankshaft of an internal combustion engine; a driven side rotator disposed coaxially with a rotation axis of the driving side rotator so as to rotate integrally with a valve opening and closing camshaft; a connecting bolt disposed coaxially with the rotation axis to connect the driven side rotator to the camshaft and having an advanced angle port and a retarded angle port formed to extend from an outer peripheral surface to an inner space thereof, which respectively communicate with an advanced angle chamber and a retarded angle chamber between the driving side rotator and the driven side rotator; and a valve unit disposed in the inner space of the connecting bolt, in which the valve unit includes a check valve, and the check valve includes an opening plate and a valve plate.
    Type: Application
    Filed: November 9, 2017
    Publication date: May 17, 2018
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Tomohiro KAJITA, Yuji NOGUCHI, Takeo ASAHI, Hideyuki SUGANUMA, Hiroyuki HAMASAKI, Toru SAKAKIBARA, Hideomi IYANAGA
  • Patent number: 9926817
    Abstract: The valve opening/closing timing control device includes: a driving rotating body; a driven rotating body; a fixed shaft portion; a fluid pressure chamber; a partitioning portion; and a phase control unit for controlling a rotation phase by supplying/discharging pressurized fluid to/from an advancing chamber or a retarding chamber via an inside of the fixed shaft portion. The driven rotating body has: an inner circumferential member with a cylindrical portion, and a coupling plate portion of the camshaft, the cylindrical portion and the coupling plate portion being integrated with each other; and an outer circumferential member provided with the partitioning portion. The outer circumferential member includes the inner circumferential member in a unified manner so as to have the same rotational axis. The inner circumferential member is formed with an iron-based material. The outer circumferential member is formed with a material that is lighter in weight than the iron-based material.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: March 27, 2018
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Kenji Ikeda, Yuji Noguchi, Takeo Asahi, Hiroyuki Hamasaki, Yoshiaki Iguchi, Tomohiro Kajita
  • Publication number: 20180059989
    Abstract: Provided is an image processing device capable of an image processing with using a general-purpose image processing hardware in accordance with video input without mediation of a CPU. The image processing device includes: a storage medium for storing an image data acquired by video inputting unit for acquiring video images; a CPU for a general processing; image processing unit for processing the image data stored in the storage medium; setting unit for determining a processing content of the image processing unit; a command list indicating an order of setting and activating the image processing unit; and command writing unit for setting and activating the image processing unit based on the command list in synchronization with input of the image data from the video inputting unit without mediation of the CPU.
    Type: Application
    Filed: November 7, 2017
    Publication date: March 1, 2018
    Inventors: Hideaki Kido, Shoji Muramatsu, Hiroyuki Hamasaki, Akihiro Yamamoto
  • Patent number: 9879574
    Abstract: A valve opening and closing timing control apparatus includes a torsion coil spring provided at an accommodation chamber which is defined by a front member provided at a drive-side rotational member and a tubular void provided at a driven-side rotational member, the torsion coil spring engaging with the front member and the driven-side rotational member to bias the driven-side rotational member in an advanced or a retarded angle direction relative to the driven-side rotational member and an oil reservoir portion defined by an outer surface of the torsion coil spring facing the driven-side rotational member and at least one recess portion provided at the driven-side rotational member, the recess portion being provided in a radially outer direction from a position at a radially outer side than an inner diameter of the torsion coil spring and at a radially inner side than an outer diameter of the torsion coil spring.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: January 30, 2018
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Yoshiaki Iguchi, Yuji Noguchi, Takeo Asahi, Kenji Ikeda, Hiroyuki Hamasaki, Tomohiro Kajita
  • Patent number: 9874118
    Abstract: The valve opening/closing timing control device includes: an advancing chamber and a retarding chamber that are formed by partitioning a fluid pressure chamber that is formed between a driving rotating body and a driven rotating body that is located on an inner circumference side of the driving rotating body so as to be relatively rotatable, with a partitioning portion that is provided on an outer circumference side of the driven rotating body; an advancing channel that is in communication with the advancing chamber; and a retarding channel that is in communication with the retarding chamber. The driven rotating body has a first member and a second member, and the advancing channel and the retarding channel are formed to penetrate through a boundary between the first member and the second member after the first member and the second member have been installed.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: January 23, 2018
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Tomohiro Kajita, Yuji Noguchi, Takeo Asahi, Hiroyuki Hamasaki, Kenji Ikeda, Yoshiaki Iguchi