Patents by Inventor Kazuo Nishizawa

Kazuo Nishizawa 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: 11215831
    Abstract: A transmissive head mounted display apparatus includes an image display unit configured to transmit an external scene and display an image of a display target viewable with the external scene, an imaging unit, a target identifying unit configured to identify, from a captured image captured by the imaging unit, a target of a task predetermined as a task that a user of the transmissive head mounted display apparatus needs to perform, a task occurrence determination unit configured to determine, based on a state of the target in the captured image, whether the task has occurred or not, and a display controller configured to cause the image display unit to display related information relating to the task when the task is determined to have occurred.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: January 4, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Kazuo Nishizawa
  • Publication number: 20210318750
    Abstract: An HMD includes an image display section configured to display an image to be visually recognizable through an outside scene. The HMD includes a position detecting section configured to recognize an input and a control section configured to cause the image display section to display information and change the display in the image display section according to the input recognized by the position detecting section.
    Type: Application
    Filed: June 24, 2021
    Publication date: October 14, 2021
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazuo NISHIZAWA, Masahide TAKANO, Teruhito KOJIMA
  • Patent number: 11073901
    Abstract: An HMD includes an image display section configured to display an image to be visually recognizable through an outside scene. The HMD includes a position detecting section configured to recognize an input and a control section configured to cause the image display section to display information and change the display in the image display section according to the input recognized by the position detecting section.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: July 27, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazuo Nishizawa, Masahide Takano, Teruhito Kojima
  • Patent number: 11037519
    Abstract: A display system includes an HMD including an image display unit worn by a user on a head and transmitting external light, a six-axis sensor and a proximity sensor provided in the image display unit, and a detected value output unit configured to output, to a personal digital assistant, detected values from the sensors, an image output unit configured to output an image, a display unit configured to display the image, an acquisition unit configured to acquire the detected values from the sensors output by the HMD, and a device control unit configured to control display of the display unit, based on the detected values acquired by the acquisition unit.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: June 15, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Kazuo Nishizawa
  • Patent number: 10976836
    Abstract: Provided is an HMD including an image display unit to be worn by a user on a head and configured to display an image; a six-axis sensor and a magnetic sensor configured to detect an operation performed by using a control device as a first operation; a touch sensor configured to detect a contact of a finger of the user as a second operation; and a display controller configured to display, on the image display unit, a pointer to be operated by the control device, and to move the pointer based on the motion or attitude of the control device detected by the six-axis sensor and the magnetic sensor. The display controller, upon detecting a contact of a finger of the user by the touch sensor, shifts to an operation state where the display position of the pointer cannot be moved through the operation performed by using the control device.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: April 13, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Kazuo Nishizawa
  • Patent number: 10908425
    Abstract: A transmission-type head mounted display apparatus including an image display unit configured to transmit an external scene and display an image of a display object to be viewed along with the external scene, a gesture detection unit configured to detect a predefined gesture for the displayed image of the display object, and a display controller configured to perform at least one of display of the image of the display object in a display mode corresponding to the gesture having been detected and display of related information that corresponds to the gesture having been detected and that is associated with the display object.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: February 2, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazuo Nishizawa, Masahide Takano
  • Publication number: 20200257355
    Abstract: An HMD includes an image display section configured to display an image to be visually recognizable through an outside scene. The HMD includes a position detecting section configured to recognize an input and a control section configured to cause the image display section to display information and change the display in the image display section according to the input recognized by the position detecting section.
    Type: Application
    Filed: April 14, 2020
    Publication date: August 13, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazuo NISHIZAWA, Masahide TAKANO, Teruhito KOJIMA
  • Patent number: 10664044
    Abstract: An HMD includes an image display section configured to display an image to be visually recognizable through an outside scene. The HMD includes a position detecting section configured to recognize an input and a control section configured to cause the image display section to display information and change the display in the image display section according to the input recognized by the position detecting section.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: May 26, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazuo Nishizawa, Masahide Takano, Teruhito Kojima
  • Patent number: 10657722
    Abstract: A transmissive display device includes a display section having a light transmissive property, and adapted to display a target image as a display target and a pointer image so as to be superimposed on an external world visually recognized through the display section, a display control section adapted to control a display configuration of the pointer image, and an imaging section adapted to take an image of the external world, and the display control section sets either one of an external world image obtained by the imaging, the target image, and a composite image of the external world image and the target image as a reference image, and displays the pointer image with the display configuration changed in accordance with a feature quantity of an area including a display position of the pointer image in the reference image.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: May 19, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Kazuo Nishizawa
  • Publication number: 20200135139
    Abstract: A display system includes an HMD including an image display unit worn by a user on a head and transmitting external light, a six-axis sensor and a proximity sensor provided in the image display unit, and a detected value output unit configured to output, to a personal digital assistant, detected values from the sensors, an image output unit configured to output an image, a display unit configured to display the image, an acquisition unit configured to acquire the detected values from the sensors output by the HMD, and a device control unit configured to control display of the display unit, based on the detected values acquired by the acquisition unit.
    Type: Application
    Filed: October 25, 2019
    Publication date: April 30, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kazuo NISHIZAWA
  • Patent number: 10474226
    Abstract: An HMD includes an image display section configured to display a display image in a display region to be recognizable together with an outside scene, a display control section configured to cause the display section to display, in the display region, a pointer indicating a pointed position, and a six-axis sensor and a detection control section configured to detect operation. The display control section switches a first operation mode for moving, according to the operation detected by the six-axis sensor and the detection control section, a position of the pointer to correspond to the outside scene and a second operation mode for moving, according to the operation detected by the six-axis sensor and the detection control section, the position of the pointer in a form different from the movement corresponding to the outside scene.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: November 12, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazuo Nishizawa, Masahide Takano
  • Publication number: 20190324275
    Abstract: A transmissive head mounted display apparatus includes an image display unit configured to transmit an external scene and display an image of a display target viewable with the external scene, an imaging unit, a target identifying unit configured to identify, from a captured image captured by the imaging unit, a target of a task predetermined as a task that a user of the transmissive head mounted display apparatus needs to perform, a task occurrence determination unit configured to determine, based on a state of the target in the captured image, whether the task has occurred or not, and a display controller configured to cause the image display unit to display related information relating to the task when the task is determined to have occurred.
    Type: Application
    Filed: April 18, 2019
    Publication date: October 24, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kazuo NISHIZAWA
  • Publication number: 20190227642
    Abstract: Provided is an HMD including an image display unit to be worn by a user on a head and configured to display an image; a six-axis sensor and a magnetic sensor configured to detect an operation performed by using a control device as a first operation; a touch sensor configured to detect a contact of a finger of the user as a second operation; and a display controller configured to display, on the image display unit, a pointer to be operated by the control device, and to move the pointer based on the motion or attitude of the control device detected by the six-axis sensor and the magnetic sensor. The display controller, upon detecting a contact of a finger of the user by the touch sensor, shifts to an operation state where the display position of the pointer cannot be moved through the operation performed by using the control device.
    Type: Application
    Filed: January 22, 2019
    Publication date: July 25, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kazuo NISHIZAWA
  • Publication number: 20190187479
    Abstract: A transmission-type head mounted display apparatus including an image display unit configured to transmit an external scene and display an image of a display object to be viewed along with the external scene, a gesture detection unit configured to detect a predefined gesture for the displayed image of the display object, and a display controller configured to perform at least one of display of the image of the display object in a display mode corresponding to the gesture having been detected and display of related information that corresponds to the gesture having been detected and that is associated with the display object.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 20, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazuo NISHIZAWA, Masahide TAKANO
  • Publication number: 20190155376
    Abstract: An HMD includes an image display section configured to display an image to be visually recognizable through an outside scene. The HMD includes a position detecting section configured to recognize an input and a control section configured to cause the image display section to display information and change the display in the image display section according to the input recognized by the position detecting section.
    Type: Application
    Filed: January 24, 2019
    Publication date: May 23, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazuo NISHIZAWA, Masahide TAKANO, Teruhito KOJIMA
  • Patent number: 10296104
    Abstract: An HMD includes an image display unit that makes a user visually perceive an image, and an control device, capable of being moved independently of the image display unit, which includes a six-axis sensor detecting a movement and a track pad receiving an operation. The HMD controls the display of the image display unit in accordance with the movement detected by the six-axis sensor in a state where the track pad receives an operation.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: May 21, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kaori Sendai, Kazuo Nishizawa, Fusashi Kimura, Masahide Takano
  • Patent number: 10281976
    Abstract: An HMD includes an image display section configured to display an image to be visually recognizable through an outside scene. The HMD includes a position detecting section configured to recognize an input and a control section configured to cause the image display section to display information and change the display in the image display section according to the input recognized by the position detecting section.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: May 7, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazuo Nishizawa, Masahide Takano, Teruhito Kojima
  • Patent number: 10261327
    Abstract: A head mounted display includes a control section that switches between a single-touch mode and a multi-touch mode in a case where an operation in a preset aspect is detected, and, in the multi-touch mode, in a case where a pseudo-pointer is moved to a corresponding position outside a display region of an image display section according to an operation on an operation surface, the control section changes a display aspect of the pseudo-pointer.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: April 16, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Kazuo Nishizawa
  • Patent number: 10228757
    Abstract: An HMD includes an image display section configured to display an image to be visually recognizable through an outside scene. The HMD includes a position detecting section configured to recognize an input and a control section configured to cause the image display section to display information and change the display in the image display section according to the input recognized by the position detecting section.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: March 12, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazuo Nishizawa, Masahide Takano, Teruhito Kojima
  • Patent number: 10162412
    Abstract: A HMD is provided with a virtual image display including a first display and a second display that display images respectively corresponding to a right eye and a left eye of a user such that an outside scene is visible. The HMD is provided with a control device that controls a display mode of the image by the virtual image display according to a gaze distance of the user.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: December 25, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazuo Nishizawa, Masahide Takano