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).

  • Patent number: 11749289
    Abstract: To provide a bandwidth extension method which allows reduction of computation amount in bandwidth extension and suppression of deterioration of quality in the bandwidth to be extended. In the bandwidth extension method: a low frequency bandwidth signal is transformed into a QMF domain to generate a first low frequency QMF spectrum; pitch-shifted signals are generated by applying different shifting factors on the low frequency bandwidth signal; a high frequency QMF spectrum is generated by time-stretching the pitch-shifted signals in the QMF domain; the high frequency QMF spectrum is modified; and the modified high frequency QMF spectrum is combined with the first low frequency QMF spectrum.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: September 5, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Tomokazu Ishikawa, Takeshi Norimatsu, Huan Zhou, Kok Seng Chong, Haishan Zhong
  • Publication number: 20230273475
    Abstract: According to one embodiment, a display device comprises a display panel and a polarizing plate. The display panel comprises a display area, a non-display area surrounding the display area, and a light-shielding layer arranged in the display area and the non-display area. The polarizing plate is provided on a surface of the display panel, and including an end portion located in the non-display area. In this display device, the light-shielding layer opposite to the end portion of the polarizing plate is at least partially removed.
    Type: Application
    Filed: May 4, 2023
    Publication date: August 31, 2023
    Applicant: Japan Display Inc.
    Inventors: Tomokazu ISHIKAWA, Yuki KURAMOTO, Haruki YAMADA, Katsuhiro KATO
  • Publication number: 20230264486
    Abstract: To prevent an insufficient development density of pixels with which a high-density image is recorded. Thermal energy to be applied to a pixel of interest is increased if a pixel immediately subsequent to the pixel of interest is one to which energy not causing heat propagation to the pixel of interest is applied.
    Type: Application
    Filed: February 21, 2023
    Publication date: August 24, 2023
    Inventors: FUMITAKA GOTO, TOMOKAZU ISHIKAWA, AKITOSHI YAMADA
  • Publication number: 20230251529
    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: Application
    Filed: April 20, 2023
    Publication date: August 10, 2023
    Applicant: Japan Display Inc.
    Inventors: Taiki MAKINO, Tomokazu ISHIKAWA, Yuki KURAMOTO
  • Publication number: 20230241902
    Abstract: A recording apparatus includes a recording head including a plurality of heating elements, a sheet-like recording medium formed of a plurality of laminated color-developing layers for developing a plurality of colors. A first condition is satisfied when a subsequent pixel, located at the same position as a target pixel to be recorded following the target pixel, is a pixel for developing a color of a bottom color-developing layer of the recording medium. In a case where a value of the target pixel in the image data is a predetermined value and does not satisfy the first condition, the pulse control unit controls the pulse so that a thermal energy to be applied to the recording medium by the recording head in forming the target pixel is lower than if the first condition is satisfied.
    Type: Application
    Filed: January 30, 2023
    Publication date: August 3, 2023
    Inventors: FUMITAKA GOTO, TOMOKAZU ISHIKAWA, AKITOSHI YAMADA
  • Patent number: 11714312
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a through hole, and a facing area. The facing area includes a display area and a frame area. The second substrate includes a light-shielding layer and a colored layer. The light-shielding layer includes a first groove formed in a closed annular shape along the through hole and penetrating from the first substrate toward the second substrate. The colored layer is located in the first groove and is provided in an entire area of the first groove in a planar view.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: August 1, 2023
    Assignee: Japan Display Inc.
    Inventors: Tomokazu Ishikawa, Masaru Nakakomi, Masashi Shishikura
  • Publication number: 20230236459
    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: April 3, 2023
    Publication date: July 27, 2023
    Inventors: Tomonori NISHINO, Masato SHIMURA, Tomokazu ISHIKAWA, Yuki KURAMOTO, Satoshi HASHIMOTO
  • Patent number: 11703704
    Abstract: In a plan view, a spacer member is arranged at a position overlapping with a first line portion of a second pixel electrode. The second pixel electrode has a second connecting portion that connects the first line portion and the second line portion arranged next to the first line portion. The second connecting portion of the pixel electrode is arranged between a region where the first line portion of the second pixel electrode overlaps with the spacer member and one end portion of the first line portion of the second pixel electrode.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: July 18, 2023
    Assignee: JAPAN DISPLAY INC.
    Inventors: Tomokazu Ishikawa, Masateru Morimoto, Masaru Nakakomi
  • Publication number: 20230199428
    Abstract: An information processing method includes: (i) determining whether a type of a predetermined sound and a type of an external sound match; (ii) determining whether the incoming direction of the predetermined sound and the incoming direction of the external sound overlap by comparing the incoming direction of the predetermined sound with the incoming direction of the external sound analyzed; and performing at least one of the following based on a result of (i) and a result of (ii): (a) adjusting at least one of a sound pressure of the predetermined sound or a sound pressure of the external sound; or (b) adjusting the incoming direction of the predetermined sound.
    Type: Application
    Filed: February 13, 2023
    Publication date: June 22, 2023
    Inventors: Ko MIZUNO, Tomokazu ISHIKAWA, Seigo ENOMOTO
  • Patent number: 11681177
    Abstract: According to one embodiment, a display device comprises a display panel and a polarizing plate. The display panel comprises a display area, a non-display area surrounding the display area, and a light-shielding layer arranged in the display area and the non-display area. The polarizing plate is provided on a surface of the display panel, and including an end portion located in the non-display area. In this display device, the light-shielding layer opposite to the end portion of the polarizing plate is at least partially removed.
    Type: Grant
    Filed: May 3, 2022
    Date of Patent: June 20, 2023
    Assignee: Japan Display Inc.
    Inventors: Tomokazu Ishikawa, Yuki Kuramoto, Haruki Yamada, Katsuhiro Kato
  • Patent number: 11675226
    Abstract: According to one embodiment, a display device includes a first substrate and a second substrate. The first substrate includes a first area including a display portion, a second area adjacent to the first area, and an organic film. The second substrate has a substrate end along a boundary between the first area and the second area, and overlaps the first area. The first substrate includes an alignment film located in the display portion, terminals located in the second area and connected to a signal source, and a first groove formed in the organic film and located between the substrate end of the second substrate and the terminals in the second area. The terminals are arranged in a first direction. The first groove extends in the first direction along the terminals.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: June 13, 2023
    Assignee: JAPAN DISPLAY INC.
    Inventors: Tomokazu Ishikawa, Hitomi Hasegawa, Masashi Shishikura
  • Publication number: 20230179938
    Abstract: An information processing method includes: calculating an angular amount of change in a predetermined direction in a time domain from sound information including information regarding a predetermined sound and information regarding the predetermined direction; selecting, based on the information regarding the predetermined direction, a 3D sound filter for causing an inputted sound to be perceived as a sound coming from an incoming direction from among 3D sound filter candidates each prepared for a different incoming direction; and generating an output sound signal by inputting the information regarding the predetermined sound to the 3D sound filter selected, in which, when the angular amount of change calculated is less than a threshold, the selecting a 3D sound filter includes determining the 3D sound filter such that the predetermined sound is more strongly emphasized than when the angular amount of change calculated is greater than or equal to the threshold.
    Type: Application
    Filed: February 2, 2023
    Publication date: June 8, 2023
    Inventors: Ko MIZUNO, Seigo ENOMOTO, Tomokazu ISHIKAWA
  • Patent number: 11662628
    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: September 28, 2022
    Date of Patent: May 30, 2023
    Assignee: Japan Display Inc.
    Inventors: Taiki Makino, Tomokazu Ishikawa, Yuki Kuramoto
  • Publication number: 20230156159
    Abstract: Provided is a non-transitory computer-readable recording medium storing a display program of a screen used to check videos captured by cameras, the display program causing a computer to execute a process, the process including analyzing the videos to identify a time period in which a target subject is captured in the videos, acquiring a reference position to be a reference for tracking the target subject, referring to a storage unit that stores information about respective positions in which the cameras are installed, and displaying display fields, which correspond to the cameras, respectively, in order of distances between each of the cameras and the reference position, each of the display fields displaying information about the time period in which the target subject is captured in a video from a corresponding one of the cameras.
    Type: Application
    Filed: July 13, 2022
    Publication date: May 18, 2023
    Applicant: FUJITSU LIMITED
    Inventors: Ritsuko Tanaka, Tomokazu Ishikawa
  • Patent number: 11644718
    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: September 8, 2022
    Date of Patent: May 9, 2023
    Assignee: Japan Display Inc.
    Inventors: Tomonori Nishino, Masato Shimura, Tomokazu Ishikawa, Yuki Kuramoto, Satoshi Hashimoto
  • Patent number: 11640090
    Abstract: According to one embodiment, a display device including a first substrate including a first insulating film and a second insulating film that includes a band-shaped first thick film portion, an island-shaped second thick film portion, a first contact hole penetrating the first thick film portion, and a second contact hole penetrating the second thick film portion, a first thickness of the first thick film portion and a second thickness of the second thick film portion are larger than a film thickness of the second insulating film between the first and second thick film portions, and a second substrate comprises a spacer overlapping the first thick film portion.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: May 2, 2023
    Assignee: Japan Display Inc.
    Inventors: Masaru Nakakomi, Tomokazu Ishikawa
  • Publication number: 20230115561
    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: Application
    Filed: December 14, 2022
    Publication date: April 13, 2023
    Applicant: Japan Display Inc.
    Inventors: Tomokazu ISHIKAWA, Hitomi HASEGAWA, Masaru NAKAKOMI
  • Publication number: 20230034010
    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: Application
    Filed: July 21, 2022
    Publication date: February 2, 2023
    Inventors: Tomokazu Ishikawa, Fumitaka Goto, Akitoshi Yamada
  • Patent number: 11570408
    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: November 30, 2021
    Date of Patent: January 31, 2023
    Assignee: JAPAN DISPLAY INC.
    Inventors: Tomokazu Ishikawa, Hitomi Hasegawa, Masaru Nakakomi
  • Patent number: D988358
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: June 6, 2023
    Assignee: FUJITSU LIMITED
    Inventors: Misako Tagami, Tomokazu Ishikawa, China Kamizuru, Mayumi Kimura, Hiromu Kosuge