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).
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Patent number: 10936072Abstract: 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: GrantFiled: July 15, 2019Date of Patent: March 2, 2021Assignees: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, MIRAISENS, INC.Inventors: Norio Nakamura, Yukio Fukui, Masataka Sakai, Natsuo Koda, Koji Osaki
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Patent number: 10936074Abstract: 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: GrantFiled: October 4, 2016Date of Patent: March 2, 2021Assignees: National Institute of Advanced Industrial Science and Technology, Miraisens, Inc.Inventors: Norio Nakamura, Yukio Fukui, Masataka Sakai, Natsuo Koda, Yosuke Iizuka
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Patent number: 10924715Abstract: 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: GrantFiled: March 20, 2020Date of Patent: February 16, 2021Assignee: SEIKO EPSON CORPORATIONInventor: Norio Nakamura
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Patent number: 10838497Abstract: 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: GrantFiled: October 4, 2016Date of Patent: November 17, 2020Assignee: MIRAISENS, Inc.Inventors: Norio Nakamura, Natsuo Koda, Koji Osaki
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Publication number: 20200304762Abstract: 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: ApplicationFiled: March 20, 2020Publication date: September 24, 2020Applicant: SEIKO EPSON CORPORATIONInventor: Norio NAKAMURA
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Publication number: 20200304763Abstract: 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: ApplicationFiled: March 20, 2020Publication date: September 24, 2020Applicant: SEIKO EPSON CORPORATIONInventor: Norio NAKAMURA
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Publication number: 20200304765Abstract: 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: ApplicationFiled: March 20, 2020Publication date: September 24, 2020Applicant: SEIKO EPSON CORPORATIONInventor: Norio NAKAMURA
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Publication number: 20200249814Abstract: 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: ApplicationFiled: May 24, 2018Publication date: August 6, 2020Inventors: Norio NAKAMURA, Koji OSAKI, Shuichi HIRAI, Natsuo KODA
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Patent number: 10706778Abstract: 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: GrantFiled: May 23, 2019Date of Patent: July 7, 2020Assignee: Japan Display Inc.Inventors: Masahiro Kubota, Norio Nakamura
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Publication number: 20200089043Abstract: 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: ApplicationFiled: September 12, 2019Publication date: March 19, 2020Applicant: SEIKO EPSON CORPORATIONInventors: Minoru MORIWAKI, Norio NAKAMURA
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Publication number: 20200066117Abstract: 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: ApplicationFiled: August 7, 2019Publication date: February 27, 2020Inventors: Norio Nakamura, Natsuo Koda, Yosuke Iizuka
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Publication number: 20200012349Abstract: 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: ApplicationFiled: July 15, 2019Publication date: January 9, 2020Inventors: Norio Nakamura, Yukio Fukui, Masataka Sakai, Natsuo Koda, Koji Osaki
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Publication number: 20190287460Abstract: 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: ApplicationFiled: May 23, 2019Publication date: September 19, 2019Inventors: Masahiro KUBOTA, Norio NAKAMURA
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Patent number: 10417965Abstract: 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: GrantFiled: October 5, 2017Date of Patent: September 17, 2019Assignee: Japan Display Inc.Inventor: Norio Nakamura
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Patent number: 10416767Abstract: 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: GrantFiled: October 4, 2016Date of Patent: September 17, 2019Assignees: National Institute of Advanced Industrial Science and Technology, Miraisens, Inc.Inventors: Norio Nakamura, Yukio Fukui, Masataka Sakai, Natsuo Koda, Koji Osaki
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Publication number: 20190237015Abstract: 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: ApplicationFiled: April 5, 2019Publication date: August 1, 2019Applicant: JAPAN DISPLAY INC.Inventors: Takayuki IMAI, Norio Nakamura
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Patent number: 10354593Abstract: 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: GrantFiled: November 1, 2017Date of Patent: July 16, 2019Assignee: Japan Display Inc.Inventors: Yuta Murakami, Masahiro Kubota, Norio Nakamura
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Patent number: 10304383Abstract: 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: GrantFiled: October 4, 2017Date of Patent: May 28, 2019Assignee: Japan Display Inc.Inventors: Masahiro Kubota, Norio Nakamura
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Patent number: 10304382Abstract: 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: GrantFiled: June 28, 2017Date of Patent: May 28, 2019Assignee: JAPAN DISPLAY INC.Inventors: Takayuki Imai, Norio Nakamura
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Publication number: 20190129506Abstract: 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: ApplicationFiled: December 26, 2018Publication date: May 2, 2019Inventors: NORIO NAKAMURA, YUKIO FUKUI, MASATAKA SAKAI