Patents by Inventor Tomokazu Ishikawa

Tomokazu Ishikawa 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: 20240136477
    Abstract: A light-emitting device includes a substrate comprising a base member, a first wiring, a second wiring, and a via hole; at least one light-emitting element electrically connected to and disposed on the first wiring; and a covering member having light reflectivity and covering a lateral surface of the light-emitting element and a front surface of the substrate. The base member defines a plurality of depressed portions separated from the via hole in a front view and opening on a back surface and a bottom surface of the base member. The substrate includes a third wiring covering at least one of inner walls of the plurality of depressed portions and electrically connected to the second wiring. A depth of each of the plurality of depressed portions defined from the back surface toward the front surface is larger on a bottom surface side than on an upper surface side of the base member.
    Type: Application
    Filed: December 31, 2023
    Publication date: April 25, 2024
    Applicant: NICHIA CORPORATION
    Inventors: Takuya NAKABAYASHI, Tomokazu MARUYAMA, Tetsuya ISHIKAWA
  • Patent number: 11953789
    Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate, a facing area, a liquid crystal layer, and a first spacer. The facing area includes a first area for displaying an image, a second area, and a frame-shaped frame area. The second substrate includes a light-shielding layer. The second area is an area having higher transparency than transparency of the first area. The liquid crystal layer is located in the second area, the frame area, and the first area. The first spacer is located in the second area and is provided on the first substrate or the second substrate.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: April 9, 2024
    Assignee: Japan Display Inc.
    Inventors: Tomokazu Ishikawa, Masaru Nakakomi
  • Publication number: 20240085743
    Abstract: In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped through-hole, and the water absorption layer is not covered with the inorganic insulating film.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Inventors: Tomonori NISHINO, Masato SHIMURA, Tomokazu ISHIKAWA, Yuki KURAMOTO, Satoshi HASHIMOTO
  • Patent number: 11906851
    Abstract: According to one embodiment, A display device includes a first substrate includes an inorganic insulating film, a first wiring formed above the inorganic insulating film, an organic insulating film located above the inorganic insulating film and the first wiring, and a driver electrically connected to the first wiring, a second substrate opposing the first substrate, and a sealant fixing the first substrate and the second substrate, wherein the sealant comprises a first seal portion formed along a first edge of the first substrate and a second seal portion which crosses the first seal portion, and the first seal portion has a first width, and the second seal portion has a second width, the first width being greater than the second width.
    Type: Grant
    Filed: April 20, 2023
    Date of Patent: February 20, 2024
    Assignee: JAPAN DISPLAY INC.
    Inventors: Taiki Makino, Tomokazu Ishikawa, Yuki Kuramoto
  • Publication number: 20240031762
    Abstract: An information processing method includes: obtaining a stream including (i) first position and orientation information indicating a position and an orientation of a sound source and (ii) a sound signal indicating a sound that the sound source outputs; obtaining second position and orientation information indicating a position and an orientation of a head of a user; and making a correction to reduce a rate of change at which a speed of the position or the orientation indicated in the second position and orientation information obtained changes relative to the position or the orientation of the sound source indicated in the first position and orientation information, to obtain the second position and orientation information to be used for three-dimensional sound processing to be performed using the first position and orientation information and the second position and orientation information on the sound signal.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 25, 2024
    Inventors: Ko MIZUNO, Tomokazu ISHIKAWA
  • Publication number: 20240031763
    Abstract: An acoustic reproduction method includes: obtaining information indicating sounds that reach a listener in a sound reproduction space and direction information indicating a direction in which the head of the listener is oriented; judging whether a first direction in which a first sound reaches the listener and a second direction in which a second sound reaches the listener are in plane symmetry with respect to a predetermined plane that passes through both ears of the listener and is perpendicular to the direction in which the head of the listener is oriented, the first and the second sounds being included in the sounds indicated in the information obtained; performing processing on sound information indicating the second sound when the first and the second directions are judged to be in plane symmetry, the processing being change processing of changing the second direction; and outputting the sound information subjected to the change processing.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 25, 2024
    Inventors: Seigo ENOMOTO, Ko MIZUNO, Tomokazu ISHIKAWA
  • Publication number: 20240031756
    Abstract: An acoustic feature estimation method is an acoustic feature estimation method for estimating an acoustic feature of a space and includes acquiring data on the space, estimating situations in the space in accordance with the acquired data, correcting a provisional value of the acoustic feature in accordance with the estimated circumstances, and outputting the corrected provisional value.
    Type: Application
    Filed: October 4, 2023
    Publication date: January 25, 2024
    Inventors: Mariko YAMADA, Tomokazu ISHIKAWA
  • Publication number: 20240031757
    Abstract: An information processing method includes: obtaining spatial information indicating a shape of a virtual space including an obstacle and a sound source object that emits a predetermined sound; obtaining position information indicating a position and an orientation of a user in the virtual space; and generating an acoustic virtual environment by determining, based on the position and the orientation of the user and a position of the obstacle in the virtual space, a position of a virtual reflection surface off which the predetermined sound is reflected in the virtual space.
    Type: Application
    Filed: October 4, 2023
    Publication date: January 25, 2024
    Inventors: Seigo ENOMOTO, Ko MIZUNO, Tomokazu ISHIKAWA
  • Publication number: 20240022854
    Abstract: A sound reproduction method includes: obtaining spatial information for reproducing a virtual space which includes a structure and a sound source; identifying a listening position in the virtual space; generating one or more virtual sound sources for reproducing diffraction of sound emitted from the sound source, the one or more virtual sound sources being disposed in a neighborhood of one or more virtual sound source directions; and determining the one or more virtual sound sources based on a length of a propagation path of the sound from the sound source to a listener, the propagation path bypassing the structure. The determining includes determining at least one of (i) a sound pressure level of sound from the one or more virtual sound source directions, (ii) a total number of the one or more virtual sound sources, or (iii) a frequency characteristic of sound from the one or more virtual sound sources.
    Type: Application
    Filed: September 27, 2023
    Publication date: January 18, 2024
    Inventors: Hikaru USAMI, Tomokazu ISHIKAWA
  • Patent number: 11877100
    Abstract: According to one embodiment, a display device including a first substrate including an organic film, a first recess and a second recess formed in the organic film, and a first projection having the organic film, a second substrate, and a sealing member located in a second area around a first area, and bonding the first substrate and the second substrate together, wherein the first substrate includes a mounting portion, the first recess and the second recess extend in the second area, a first leading end portion of the first recess is separated from a second leading end portion of the second recess, and the first projection, the first recess and the second recess overlap the sealing member.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: January 16, 2024
    Assignee: JAPAN DISPLAY INC.
    Inventors: Tomokazu Ishikawa, Hitomi Hasegawa, Masaru Nakakomi
  • Patent number: 11875594
    Abstract: A method for manufacturing a detection device, the detection device comprising a substrate, a plurality of sensor elements arranged on a first principal surface of the substrate, and an insulating film provided above the substrate so as to cover the sensor elements, and the method comprising: causing the first principal surfaces of a pair of the substrates on each of which the sensor elements, the insulating film, and a first projection projecting from a surface of the insulating film are formed to face each other, and bonding together the pair of the substrates; and polishing a second principal surface of each of the pair of the substrates on a side opposite to the first principal surface in a state where the pair of the substrates are bonded together.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: January 16, 2024
    Assignee: Japan Display Inc.
    Inventors: Tomokazu Ishikawa, Masashi Shishikura
  • Publication number: 20240015461
    Abstract: An information processing method includes: obtaining sound information that includes (i) a first audio signal and (ii) space information that is information for reproducing a virtual space and includes first data relating to a first structure disposed in the virtual space, the virtual space including the first structure and a sound source; generating second data based on the first data, each of the first data and the second data being associated with a position in the virtual space, the second data being data having a smaller amount of data than the first data; calculating a propagation distance of sound from the sound source, the sound being reflected at the position associated with the second data and arriving at a position of a listener; and generating a second audio signal subjected to stereoacoustic processing, using the first audio signal and the propagation distance.
    Type: Application
    Filed: September 26, 2023
    Publication date: January 11, 2024
    Inventors: Tomokazu ISHIKAWA, Ko MIZUNO
  • Patent number: 11860483
    Abstract: In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped through-hole, and the water absorption layer is not covered with the inorganic insulating film.
    Type: Grant
    Filed: April 3, 2023
    Date of Patent: January 2, 2024
    Assignee: Japan Display Inc.
    Inventors: Tomonori Nishino, Masato Shimura, Tomokazu Ishikawa, Yuki Kuramoto, Satoshi Hashimoto
  • Publication number: 20230421988
    Abstract: An information processing method includes: obtaining a stream including (i) first position and orientation information indicating a position and an orientation of a sound source and (ii) a sound signal indicating a sound that the sound source outputs; obtaining second position and orientation information indicating a position and an orientation of a head of a user; and setting a spatial resolution for three-dimensional audio processing to be performed on the sound signal, according to a positional relationship between the head of the user and the sound source and using the first position and orientation information and the second position and orientation information.
    Type: Application
    Filed: September 7, 2023
    Publication date: December 28, 2023
    Inventors: Ko MIZUNO, Tomokazu ISHIKAWA
  • Publication number: 20230391106
    Abstract: A data processing apparatus includes a plurality of heat-generating elements configured to apply different heating energies to a print medium in which a plurality of color development layers which develop colors different from each other upon receipt of the different heating energies are laminated. In addition, a printing apparatus includes: an obtaining unit configured to obtain a heat-generating characteristic of each of the plurality of heat-generating elements; and a deriving unit configured to derive a correction value for correcting print data based on a color development heating characteristic of each of the plurality of color development layers and the heat-generating characteristic of each heat-generating element, the print data causing each heat-generating element to generate the heating energy based on image data corresponding to a pixel.
    Type: Application
    Filed: May 31, 2023
    Publication date: December 7, 2023
    Inventors: TOMOKAZU ISHIKAWA, FUMITAKA GOTO, AKITOSHI YAMADA
  • Publication number: 20230375881
    Abstract: Display device is provided and includes scanning line; semiconductor layer; pixel electrode; first insulating film having first contact hole; organic insulating film having second contact hole; and second insulating film having third contact hole, wherein semiconductor layer has first linear portion that is orthogonal to scanning line, pixel electrode is electrically connected to first linear portion via first, second and third contact holes, first linear portion overlaps first, second and third contact holes that are aligned along first linear portion, and center of second contact hole is located between center of first contact hole and center of third contact hole.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 23, 2023
    Inventors: Motoharu MIYAMOTO, Tomokazu ISHIKAWA
  • Patent number: 11806998
    Abstract: An image forming apparatus includes a print head including heating elements for applying a thermal energy to an imaging material, an operation unit configured to operate the plurality of heating elements of the print head by using a first pulse for preheating the color developing layers and a second pulse for developing the colors of the color developing layers, and a generation unit configured to, in a case where a spatial frequency of the image to be recorded based on image data for forming an image on the imaging material is lower than a predetermined frequency, generate the first pulse so that a temperature to be applied to the imaging material by the first pulse is lower than a temperature to be applied to the imaging material in a case where the spatial frequency of the image data is equal to or higher than the predetermined frequency.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: November 7, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomokazu Ishikawa, Fumitaka Goto, Akitoshi Yamada
  • Publication number: 20230319472
    Abstract: An acoustic reproduction method includes: acquiring a first audio signal corresponding to an ambient sound that arrives at a listener from a first range in a sound reproduction space and a second audio signal corresponding to a target sound that arrives at the listener from a point in the sound reproduction space; acquiring direction information about the listener; performing, when a back range of the listener is determined to include the first range and the point based on the direction information, correction processing such that the first range does not overlap the point when the sound reproduction space is viewed in a predetermined direction; and mixing at least one of the first audio signal or the second audio signal and outputting the at least one thereof to an output channel.
    Type: Application
    Filed: February 2, 2023
    Publication date: October 5, 2023
    Inventors: Hikaru USAMI, Tomokazu ISHIKAWA
  • Publication number: 20230317737
    Abstract: A display device includes an array substrate, a first region in which a plurality of scan lines extending in a first direction, a plurality of signal lines extending in a second direction, and a plurality of pixels are provided on the array substrate and that has a first side, a second side, a third side, a fourth side, and a plurality of curved line parts, a second region positioned between an end part of the array substrate and the first region, a signal-line coupling circuit disposed in the second region and coupled to the signal lines, a shield layer disposed in the second region and covering at least part of the signal-line coupling circuit near at least one of the curved line parts, and a gate driver circuit disposed in the second region outside the signal-line coupling circuit and coupled to the scan lines.
    Type: Application
    Filed: March 27, 2023
    Publication date: October 5, 2023
    Inventors: Tomokazu ISHIKAWA, Masaru NAKAKOMI, Teppei YAMADA, Akihiko SAITOH
  • Patent number: 11762243
    Abstract: Display device is provided and includes scanning line; semiconductor layer; pixel electrode; first insulating film having first contact hole; organic insulating film having second contact hole; and second insulating film having third contact hole, wherein semiconductor layer has first linear portion that is orthogonal to scanning line, pixel electrode is electrically connected to first linear portion via first, second and third contact holes, first linear portion overlaps first, second and third contact holes that are aligned along first linear portion, and center of second contact hole is located between center of first contact hole and center of third contact hole.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: September 19, 2023
    Assignee: Japan Display Inc.
    Inventors: Motoharu Miyamoto, Tomokazu Ishikawa