Patents by Inventor Norio Nakamura

Norio Nakamura 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: 10936072
    Abstract: A haptic information presentation system uses a human sensory characteristic or illusion to suitably control a physical quantity, and causes a person to feel a force which cannot exist physically, or a haptic sensory physical characteristic.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: March 2, 2021
    Assignees: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, MIRAISENS, INC.
    Inventors: Norio Nakamura, Yukio Fukui, Masataka Sakai, Natsuo Koda, Koji Osaki
  • Patent number: 10936074
    Abstract: A haptic information presentation system uses a human sensory characteristic or illusion to suitably control a physical quantity, and causes a person to feel a force which cannot exist physically, or a haptic sensory physical characteristic.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: March 2, 2021
    Assignees: National Institute of Advanced Industrial Science and Technology, Miraisens, Inc.
    Inventors: Norio Nakamura, Yukio Fukui, Masataka Sakai, Natsuo Koda, Yosuke Iizuka
  • Patent number: 10924715
    Abstract: An optical module includes a light modulator that modulates light and includes a plurality of pixels, and a pixel shift mechanism. The pixels of the light modulator each include a first sub-pixel on which a first color light flux is incident, a second sub-pixel on which a second color light flux is incident, a third sub-pixel on which a third color light flux is incident, and a fourth sub-pixel on which one of the first color light flux, the second color light flux, and third color light flux is incident. The pixel shift mechanism includes a first state, a second state, and a third state. The first color light flux is incident on the fourth sub-pixel in the first state. The second color light flux is incident on the fourth sub-pixel in the second state. The third color light flux is incident on the fourth sub-pixel in the third state.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: February 16, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Norio Nakamura
  • Patent number: 10838497
    Abstract: In a haptic information presenting system, a haptic presenting device presents a stimulus by an object and/or to the object, controls the stimulus that is applied to the object in accordance with an operation by an operator, and thereby generates a tactile force, the haptic presenting device presents at least one of oscillation, displacement, and deformation to the object, the haptic presenting device is a sense synthesizing and guiding device that synthesizes sensations of guidance, and the sense synthesizing and guiding device generates at least one of a sensation of pressure, a sensation of a force, and the sensory illusion to the object by a vibration that includes a sweep vibration.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: November 17, 2020
    Assignee: MIRAISENS, Inc.
    Inventors: Norio Nakamura, Natsuo Koda, Koji Osaki
  • Publication number: 20200304762
    Abstract: An optical module includes a light modulator that modulates light and includes a plurality of pixels, and a pixel shift mechanism. The light modulator is driven based on an interlace method. The pixels of the light modulator each include a first sub-pixel on which a first color light flux or a second color light flux is incident, a second sub-pixel on which a color light flux different from the color light flux incident on the first sub-pixel out of the first color light flux and the second color light flux is incident, and a third sub-pixel and a fourth sub-pixel on which a third color light flux is incident. The third sub-pixel and the fourth sub-pixel are arranged in a scan direction of the light modulator. The pixel shift mechanism shifts the light modulator in a direction that intersects the scan direction.
    Type: Application
    Filed: March 20, 2020
    Publication date: September 24, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Norio NAKAMURA
  • Publication number: 20200304763
    Abstract: An optical module includes a light modulator that modulates light and includes a plurality of pixels, and a pixel shift mechanism. The pixels of the light modulator each include a first sub-pixel on which a first color light flux is incident, a second sub-pixel on which a second color light flux is incident, a third sub-pixel on which a third color light flux is incident, and a fourth sub-pixel on which one of the first color light flux, the second color light flux, and third color light flux is incident. The pixel shift mechanism includes a first state, a second state, and a third state. The first color light flux is incident on the fourth sub-pixel in the first state. The second color light flux is incident on the fourth sub-pixel in the second state. The third color light flux is incident on the fourth sub-pixel in the third state.
    Type: Application
    Filed: March 20, 2020
    Publication date: September 24, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Norio NAKAMURA
  • Publication number: 20200304765
    Abstract: An optical module includes a light modulator that modulates light and includes a plurality of pixels, and a pixel shift mechanism. The pixels of the light modulator each include a first sub-pixel on which a first or a second color light flux is incident, a second sub-pixel on which a color light flux different from the color light flux incident on the first sub-pixel out of the first and the second color light flux is incident, and a third sub-pixel and a fourth sub-pixel on which a third color light flux is incident. The pixel shift mechanism transition to a first state in which the third sub-pixel is located on a first position and the fourth sub-pixel is located on a second position, or a second state in which the third sub-pixel is located on a third position and the fourth sub-pixel is located on a fourth position.
    Type: Application
    Filed: March 20, 2020
    Publication date: September 24, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Norio NAKAMURA
  • Publication number: 20200249814
    Abstract: A stimulus transmission device suppresses power consumption, and effectively transmits a physical stimulus to a user. The stimulus transmission device has a pressure receiving portion which receives pressure from part of a human body, an actuator which drives the pressure receiving portion, and a supporting portion which supports the actuator. The actuator does not move in conjunction with the supporting portion.
    Type: Application
    Filed: May 24, 2018
    Publication date: August 6, 2020
    Inventors: Norio NAKAMURA, Koji OSAKI, Shuichi HIRAI, Natsuo KODA
  • Patent number: 10706778
    Abstract: According to one embodiment, a display apparatus having a display device including a plurality of pixels, each of the pixels including: a drive transistor; and a light emitting element coupled to the drive transistor and to a reference potential, wherein a current from the drive transistor to the light emitting element is determined based on a voltage between a gate and a source of the drive transistor, and the display device is configured to divide a one-frame period during which a frame image is being displayed into certain unit time segments each having a same time period and each including one or more light emission time slots during each of which the pixel is emitting light and one or more no-light emission time slots during each of which the pixel is not emitting light, and then configured to switch light emission of the pixel on and off in a manner such that a light quantity in the one or more light emission time slots per each of the unit time segment is equalized.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: July 7, 2020
    Assignee: Japan Display Inc.
    Inventors: Masahiro Kubota, Norio Nakamura
  • Publication number: 20200089043
    Abstract: A liquid crystal panel of an electro-optical device includes a first quartz substrate, a second quartz substrate facing the first quartz substrate, a liquid crystal layer interposed between the first quartz substrate and the second substrate, a first sapphire substrate bonded to the first quartz substrate, and a second sapphire substrate bonded to the second quartz substrate. Each thickness of the first sapphire substrate and the second sapphire substrate is at least two times a thickness of the first quartz substrate or the second quartz substrate.
    Type: Application
    Filed: September 12, 2019
    Publication date: March 19, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Minoru MORIWAKI, Norio NAKAMURA
  • Publication number: 20200066117
    Abstract: A tactile force information presenting system includes: a tactile force presenting device that generates the stimulus; a drive device that drives the tactile force presenting device; and a tactile force non-presenting device that does not generate said stimulus to an operator, and the tactile force presenting device presents the tactile force to the operator.
    Type: Application
    Filed: August 7, 2019
    Publication date: February 27, 2020
    Inventors: Norio Nakamura, Natsuo Koda, Yosuke Iizuka
  • Publication number: 20200012349
    Abstract: A haptic information presentation system uses a human sensory characteristic or illusion to suitably control a physical quantity, and causes a person to feel a force which cannot exist physically, or a haptic sensory physical characteristic.
    Type: Application
    Filed: July 15, 2019
    Publication date: January 9, 2020
    Inventors: Norio Nakamura, Yukio Fukui, Masataka Sakai, Natsuo Koda, Koji Osaki
  • Publication number: 20190287460
    Abstract: According to one embodiment, a display apparatus having a display device including a plurality of pixels, each of the pixels including: a drive transistor; and a light emitting element coupled to the drive transistor and to a reference potential, wherein a current from the drive transistor to the light emitting element is determined based on a voltage between a gate and a source of the drive transistor, and the display device is configured to divide a one-frame period during which a frame image is being displayed into certain unit time segments each having a same time period and each including one or more light emission time slots during each of which the pixel is emitting light and one or more no-light emission time slots during each of which the pixel is not emitting light, and then configured to switch light emission of the pixel on and off in a manner such that a light quantity in the one or more light emission time slots per each of the unit time segment is equalized.
    Type: Application
    Filed: May 23, 2019
    Publication date: September 19, 2019
    Inventors: Masahiro KUBOTA, Norio NAKAMURA
  • Patent number: 10417965
    Abstract: An organic EL display device includes a transistor for controlling whether to shut off supply of a current to an organic EL element or not, a pulse signal generation circuit which generates a pulse signal to be inputted to the transistor and a storage unit. The storage unit stores the information in such a way that one frame period includes, in order, a first light emission period which is a period preceding a pulse, a black display period which is a period equivalent to a width of the pulse, and a second light emission period which is longer than the first light emission period, and that an area expressed by a product of a length of and a luminance in a light emission period is greater for the second light emission period than for the first light emission period.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: September 17, 2019
    Assignee: Japan Display Inc.
    Inventor: Norio Nakamura
  • Patent number: 10416767
    Abstract: A haptic information presentation system uses a human sensory characteristic or illusion to suitably control a physical quantity, and causes a person to feel a force which cannot exist physically, or a haptic sensory physical characteristic.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: September 17, 2019
    Assignees: National Institute of Advanced Industrial Science and Technology, Miraisens, Inc.
    Inventors: Norio Nakamura, Yukio Fukui, Masataka Sakai, Natsuo Koda, Koji Osaki
  • Publication number: 20190237015
    Abstract: According to one embodiment, a display device includes a display panel in which pixel units are arranged, and a controller configured to generate image signals by multiplying display data externally supplied to each line by a luminosity adjustment factor, to supply the generated image signals to the pixel units, to accumulate power consumption of each line, and to execute black insertion if the accumulated power consumption is determined to be greater than power consumption of one previous display frame by a predetermined value, wherein the luminosity adjustment factor is acquired by substituting the power consumption of one previous frame to a decreasing function, and a display pattern including a plurality of continuing black display lines is synchronized with supply of the image signals and is displayed moving the same direction of a screen scanning direction of the display panel during the black insertion.
    Type: Application
    Filed: April 5, 2019
    Publication date: August 1, 2019
    Applicant: JAPAN DISPLAY INC.
    Inventors: Takayuki IMAI, Norio Nakamura
  • Patent number: 10354593
    Abstract: A display apparatus includes: a display device including pixels each including a light emitting element; a voltage generator configured to generate a plurality of different voltages; a switching device configured to be capable of switching the voltages in a manner such that any one of the voltages is applied to each of the pixels; and a controller configured to control operation of the switching device. The controller is configured to cause, at least once during a period for displaying an image corresponding to one frame, the switching device to operate in a manner such that voltages applied to the pixel are switched from a lower to a higher voltage.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: July 16, 2019
    Assignee: Japan Display Inc.
    Inventors: Yuta Murakami, Masahiro Kubota, Norio Nakamura
  • Patent number: 10304383
    Abstract: A display apparatus includes: a display device including a plurality of pixels each including a light emitting element; and a controller configured to control light emission timing of each of the pixels. The controller is configured to divide a time period during which a frame image is being displayed into certain unit time segments, and then switch light emission of the pixel on and off in a manner such that a light quantity per each of the unit time segment is equalized.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: May 28, 2019
    Assignee: Japan Display Inc.
    Inventors: Masahiro Kubota, Norio Nakamura
  • Patent number: 10304382
    Abstract: According to one embodiment, a display device includes a display panel in which pixel units are arranged, and a controller configured to generate image signals by multiplying display data externally supplied to each line by a luminosity adjustment factor, to supply the generated image signals to the pixel units, to accumulate power consumption of each line, and to execute black insertion if the accumulated power consumption is determined to be greater than power consumption of one previous display frame by a predetermined value, wherein the luminosity adjustment factor is acquired by substituting the power consumption of one previous frame to a decreasing function, and a display pattern including a plurality of continuing black display lines is synchronized with supply of the image signals and is displayed moving the same direction of a screen scanning direction of the display panel during the black insertion.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: May 28, 2019
    Assignee: JAPAN DISPLAY INC.
    Inventors: Takayuki Imai, Norio Nakamura
  • Publication number: 20190129506
    Abstract: A system and method are disclosed in which in a conventional non-grounding man-machine interface having no reaction base on the human body and for giving the existence of a virtual object and the impact force of a collision to a person, a haptic sensation of a torque, a force and the like can be continuously presented in the same direction, which cannot be presented by only the physical characteristic of a haptic sensation presentation device. In a haptic presentation device, the rotation velocity of at least one rotator in the haptic presentation device is controlled by a control device, and a vibration, a force or a torque as the physical characteristic is controlled, so that the user is made to conceive various haptic information of the vibration, force, torque or the like.
    Type: Application
    Filed: December 26, 2018
    Publication date: May 2, 2019
    Inventors: NORIO NAKAMURA, YUKIO FUKUI, MASATAKA SAKAI