Patents by Inventor Yasushi Mizoguchi

Yasushi Mizoguchi 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: 10877091
    Abstract: An electronic component handler that transports an electronic component to an electronic component placement unit on which the electronic component is placed includes: a transport unit that transports the electronic component; a light irradiation unit that irradiates the electronic component placement unit with light; and a vertical direction moving mechanism unit that has a guide that supports the light irradiation unit and guides the light irradiation unit in a vertical direction.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: December 29, 2020
    Inventors: Daisuke Ishida, Yasushi Mizoguchi, Shuichi Wakabayashi
  • Patent number: 10845688
    Abstract: Movement of a movable portion without stopping at any moment can be achieved by a simple configuration including a beam structural portion including two beam portions extending in directions different from each other and one driving portion. Furthermore, a size reduction of a device is achieved in comparison with a case where a device includes a motor disposed for rotation driving.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: November 24, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Makiko Hino, Yasushi Mizoguchi
  • Patent number: 10753738
    Abstract: A robot system including: one or two robot arms which perform work on a target; a shape measurement device which is disposed on the robot arm and measures a shape of the target; and a controller which controls the robot arm based on the shape measurement device, in which the shape measurement device includes a projection device which projects striped pattern light onto the target, an image capturing unit which captures the image of the pattern light, and a processor which calculates the shape of the target based on the captured image by the image capturing device, and in which the projection device includes a light source device which emits linear laser, an optical scanner which generates the pattern light by reflecting the laser from the light source device and by scanning the target, and a scanner driver which outputs a driving signal to drive the optical scanner non-resonantly.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: August 25, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Shuichi Wakabayashi, Makiko Hino, Yasushi Mizoguchi
  • Patent number: 10634903
    Abstract: An optical device unit that can operate very quietly and an image display apparatus having the optical device unit are provided. An optical device unit includes an optical device and a coupler joined to the optical device. The optical device includes an optical portion that is shaped as a plate and has a light incident surface on which light is incident, a movable portion that supports the optical portion, pivot portions that support the movable portion, and a support portion that supports the pivot portions. The support portion includes connection portions to which the pivot portions are connected and the connection portions are located away from the coupler.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: April 28, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yasushi Mizoguchi, Hisako Kojima, Shinichi Wakabayashi
  • Publication number: 20190227118
    Abstract: An electronic component handler that transports an electronic component to an electronic component placement unit on which the electronic component is placed includes: a transport unit that transports the electronic component; a light irradiation unit that irradiates the electronic component placement unit with light; and a vertical direction moving mechanism unit that has a guide that supports the light irradiation unit and guides the light irradiation unit in a vertical direction.
    Type: Application
    Filed: January 24, 2019
    Publication date: July 25, 2019
    Inventors: Daisuke ISHIDA, Yasushi MIZOGUCHI, Shuichi WAKABAYASHI
  • Patent number: 10330923
    Abstract: A member for an optical scanner includes: a functional portion including a movable portion, a shaft portion oscillatably supporting the movable portion, and a support portion supporting the shaft portion; a wiring line provided on the movable portion; and a structure provided on the functional portion and thicker than the wiring line; the wiring line and the structure are provided on a first major surface of the functional portion.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: June 25, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Makiko Hino, Yasushi Mizoguchi
  • Publication number: 20190129292
    Abstract: Movement of a movable portion without stopping at any moment can be achieved by a simple configuration including a beam structural portion including two beam portions extending in directions different from each other and one driving portion. Furthermore, a size reduction of a device is achieved in comparison with a case where a device includes a motor disposed for rotation driving.
    Type: Application
    Filed: October 29, 2018
    Publication date: May 2, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Makiko HINO, Yasushi MIZOGUCHI
  • Publication number: 20190131891
    Abstract: At least one of a first beam portion and second beam portions is provided with an out-of-plane vibration suppressing structure configured to suppress vibration of a movable portion in an out-of-plane direction vertical to an in-plane direction. Thus, unintentional occurrence of unintentional movement in the out-of-plane direction vertical to the in-plane direction can be suppressed. Furthermore, in this case, a size reduction of a device can be achieved in comparison with a case where a device includes a motor disposed for rotation driving, for example.
    Type: Application
    Filed: October 29, 2018
    Publication date: May 2, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Makiko HINO, Yasushi MIZOGUCHI
  • Publication number: 20190091870
    Abstract: A robot system includes an automatic transport device, a robot arm that is installed on the automatic transport device, an object recognition sensor that is disposed on the robot arm, an environment recognition sensor, a placement portion that is disposed on the automatic transport device, and a controller, and in which the controller controls the automatic transport device for moving toward a work stand based on a recognition result of the environment recognition sensor and controls the robot arm for transferring a plurality of component kits from the placement portion to the work stand based on a recognition result of the object recognition sensor after controlling the robot arm for taking out the components from a component storage unit based on the recognition result of the object recognition sensor and creating the plurality of component kits on the placement portion.
    Type: Application
    Filed: September 26, 2018
    Publication date: March 28, 2019
    Inventors: Makiko HINO, Yasushi MIZOGUCHI, Shuichi WAKABAYASHI
  • Publication number: 20190094017
    Abstract: A robot system including: one or two robot arms which perform work on a target; a shape measurement device which is disposed on the robot arm and measures a shape of the target; and a controller which controls the robot arm based on the shape measurement device, in which the shape measurement device includes a projection device which projects striped pattern light onto the target, an image capturing unit which captures the image of the pattern light, and a processor which calculates the shape of the target based on the captured image by the image capturing device, and in which the projection device includes a light source device which emits linear laser, an optical scanner which generates the pattern light by reflecting the laser from the light source device and by scanning the target, and a scanner driver which outputs a driving signal to drive the optical scanner non-resonantly.
    Type: Application
    Filed: September 25, 2018
    Publication date: March 28, 2019
    Inventors: Shuichi WAKABAYASHI, Makiko HINO, Yasushi MIZOGUCHI
  • Patent number: 10222610
    Abstract: An optical scanner includes: a movable part including a light reflection portion that reflects light; a first shaft part that swingably supports the movable part about a first axis; a support part that supports the first shaft part; a recessed portion provided in the support part, and having an opening portion in one surface of the support part and having a side surface opening portion in a side surface of the support part connected to the one surface of the support part; and a regulating member provided in the recessed portion and partially projecting from the side surface opening portion with the projecting portion located between the support part and the movable part.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: March 5, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Yasushi Mizoguchi
  • Patent number: 10054794
    Abstract: Provided is an optical scanner including a movable portion, a frame body portion, a first axis portion that connects the movable portion and the frame body portion and oscillatably supports the movable portion around a first oscillation axis, a support portion, and a second axis portion that connects the frame body portion and the support portion and oscillatably supports the frame body portion around a second oscillation axis, in which, when a distance between an end portion of the movable portion in a direction following the second oscillation axis and the frame body portion is defined as L1, and a distance between an end portion of the frame body portion in a direction following the first oscillation axis and the support portion is defined as L3, a relationship corresponding to 1<L1/L3<5 is satisfied.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: August 21, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Makiko Hino, Yasushi Mizoguchi
  • Patent number: 9992385
    Abstract: An optical scanner includes a movable section, shaft sections configured to support the movable section to be capable of swinging, a supporting section configured to support the shaft sections, a holding section joined to the upper surface of the movable section, a light reflecting section provided in the holding section, a wire provided on the lower surface of the supporting section, and a projecting section provided on the lower surface of the movable section. The supporting section, the movable section, and the shaft sections are formed from the same substrate.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: June 5, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Makiko Hino, Yasushi Mizoguchi
  • Patent number: 9958671
    Abstract: An optical scanner includes a first Si layer, a second Si layer, and an SiO2 layer present between the Si layers. The optical scanner includes a movable section and shaft sections formed from the first Si layer, a holding section formed from the second Si layer and disposed to be separated from the movable section, a coupling section formed from the SiO2 layer and configured to couple the movable section and the holding section, and a light reflecting section provided on the upper surface of the holding section and configured to reflect light. The movable section and the coupling section are joined by direct joining.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: May 1, 2018
    Assignee: Seiko Epson Corporation
    Inventor: Yasushi Mizoguchi
  • Patent number: 9952425
    Abstract: An optical device includes: an optical portion that has a light incident surface on which light is incident; a movable portion that supports the optical portion; a shaft portion that supports the movable portion so that the movable portion is oscillatable; and a fixing portion that is connected to the shaft portion, wherein the fixing portion has a thickness greater than the shaft portion and includes a portion of which an end not connected to the shaft portion serves as a free end.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: April 24, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Hisako Kojima, Yasushi Mizoguchi, Shinichi Wakabayashi
  • Publication number: 20180095269
    Abstract: An optical device unit that can operate very quietly and an image display apparatus having the optical device unit are provided. An optical device unit includes an optical device and a coupler joined to the optical device. The optical device includes an optical portion that is shaped as a plate and has a light incident surface on which light is incident, a movable portion that supports the optical portion, pivot portions that support the movable portion, and a support portion that supports the pivot portions. The support portion includes connection portions to which the pivot portions are connected and the connection portions are located away from the coupler.
    Type: Application
    Filed: September 7, 2017
    Publication date: April 5, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yasushi MIZOGUCHI, Hisako KOJIMA, Shinichi WAKABAYASHI
  • Publication number: 20180095271
    Abstract: Provided is an optical scanner including a first movable portion provided with a light reflecting portion, a second movable portion in which the first movable portion is positioned on an inner side, a first axis portion that connects the first movable portion and the second movable portion to one another and oscillatably supports the first movable portion around a first axis, a second axis portion that is connected to the second movable portion and oscillatably supports the second movable portion around a second axis that intersects the first axis, and an elastic portion provided in the second axis portion, in which the second axis portion has a hole and the elastic portion is disposed in the hole.
    Type: Application
    Filed: September 7, 2017
    Publication date: April 5, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Yasushi MIZOGUCHI
  • Publication number: 20180088336
    Abstract: Provided is an optical scanner including a movable portion, a frame body portion, a first axis portion that connects the movable portion and the frame body portion and oscillatably supports the movable portion around a first oscillation axis, a support portion, and a second axis portion that connects the frame body portion and the support portion and oscillatably supports the frame body portion around a second oscillation axis, in which, when a distance between an end portion of the movable portion in a direction following the second oscillation axis and the frame body portion is defined as L1, and a distance between an end portion of the frame body portion in a direction following the first oscillation axis and the support portion is defined as L3, a relationship corresponding to 1<L1/L3<5 is satisfied.
    Type: Application
    Filed: September 7, 2017
    Publication date: March 29, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Makiko HINO, Yasushi MIZOGUCHI
  • Patent number: 9891431
    Abstract: An optical device includes: an optical portion that has a light incident surface on which light is incident; a movable portion that includes a disposition surface on which the optical portion is disposed and a concave disposition portion; and a shaft portion that supports the movable portion so that the movable portion is oscillatable, wherein a portion in which the disposition surface is not formed is included between the optical portion and the shaft portion in a plan view in a normal line direction of the light incident surface.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: February 13, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Hisako Kojima, Yasushi Mizoguchi, Makiko Hino
  • Patent number: 9860499
    Abstract: A projector includes a light source, liquid crystal panels that modulate light emitted from the light source, a dichroic prism that combines modulated light fluxes modulated by the liquid crystal panels with one another into video light and outputs the video light, and a pixel shift device that changes the optical path of the video light output from the dichroic prism. The pixel shift device includes a glass plate on which the video light is incident and an electromagnetic actuator that causes the glass plate to swing. The electromagnetic actuator is arranged in a position outside the dichroic prism and different from the positions of the liquid crystal panels when viewed along the optical axis of the video light.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: January 2, 2018
    Assignee: Seiko Epson Corporation
    Inventor: Yasushi Mizoguchi