Patents by Inventor Masahiro Hasegawa

Masahiro Hasegawa 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: 20230291265
    Abstract: An electrical insulator assembly includes first insulators (200A) and second insulators (200B) that can be fitted onto teeth (121) of a stator core (110) of an electric motor in an alternating manner. Each of the first insulators has a first flange (210), a second flange (220) and a body (230). Each of the second insulators has a first flange (210), a second flange (400) and a body (230). The second flange of the first insulators has first and second overlapping parts (220E, 220F) on opposite circumferential sides. The second flange of the second insulators has first and second overlapping parts (400E, 400F) on opposite circumferential sides. The first overlapping parts (220E) of the first insulators radially overlap the second overlapping parts (400F) of the second insulators, and the second overlapping parts (220F) of the first insulators radially overlap the first overlapping parts (400E) of the second insulators.
    Type: Application
    Filed: March 10, 2022
    Publication date: September 14, 2023
    Inventors: Masahiro HASEGAWA, Shoji MANO
  • Publication number: 20230229048
    Abstract: Provided is an optical element including: a first liquid crystal cell; and a second liquid crystal cell, with no polarizing plate between the first and second liquid crystal cells. The first liquid crystal cell includes a first liquid crystal layer containing first liquid crystal molecules, and a first electrode pair which applies voltage to the first liquid crystal layer. The second liquid crystal cell includes a second liquid crystal layer containing second liquid crystal molecules, and a second electrode pair which applies voltage to the second liquid crystal layer. With no voltage applied to the first and second liquid crystal layers, an alignment direction of the first liquid crystal molecules near the second liquid crystal cell in the first liquid crystal layer is parallel to an alignment direction of the second liquid crystal molecules near the first liquid crystal cell in the second liquid crystal layer in a plan view.
    Type: Application
    Filed: January 12, 2023
    Publication date: July 20, 2023
    Inventors: Akira SAKAI, Masahiro HASEGAWA
  • Publication number: 20230185123
    Abstract: Provided is a liquid crystal display device and a polarizing plate capable of improving the contrast ratio in the front direction. The polarizing plate includes a pair of polarizers including a first polarizer and a second polarizer whose transmission axes are parallel to each other; a retarder between the paired polarizers; and a diffusion layer in at least one of a region between the paired polarizers or a region on a side without the retarder of the first polarizer.
    Type: Application
    Filed: February 7, 2023
    Publication date: June 15, 2023
    Inventors: AKIRA SAKAI, YUICHI KAWAHIRA, MASAHIRO HASEGAWA, KIYOSHI MINOURA
  • Publication number: 20230104529
    Abstract: Pharmaceutical formulation comprising centanafadine or a pharmaceutically acceptable salt thereof and an excipient, and related methods of manufacture and use, are disclosed.
    Type: Application
    Filed: November 30, 2022
    Publication date: April 6, 2023
    Inventors: Syed Asfar Mateen, Praveen Kumar Mididoddi, Shailly Mehrotra, Susan Elizabeth Shoaf, Salin Gupta, Kai Suzuki, Masahiro Hasegawa
  • Publication number: 20230095922
    Abstract: Provided are a polarizing plate including a polarizing layer containing a lyotropic liquid crystal compound and capable of achieving uniform polarization properties over a large area, and a display device equipped with the polarizing plate. The polarizing plate includes: an alignment film; and a polarizing layer on the alignment film. The alignment film contains an alignment film polymer, has a static contact angle with water of 60° or smaller, and has a slow axis. The polarizing layer contains a lyotropic liquid crystal compound and has an absorption axis parallel to the above slow axis. The lyotropic liquid crystal compound is preferably dichroic.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 30, 2023
    Inventors: Miho YAMADA, Akira SAKAI, Masahiro HASEGAWA, Yuichi KAWAHIRA, Hiroaki ASAGI
  • Patent number: 11604379
    Abstract: Provided is a liquid crystal display device and a polarizing plate capable of improving the contrast ratio in the front direction. The polarizing plate includes a pair of polarizers including a first polarizer and a second polarizer whose transmission axes are parallel to each other; a retarder between the paired polarizers; and a diffusion layer in at least one of a region between the paired polarizers or a region on a side without the retarder of the first polarizer.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: March 14, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Akira Sakai, Yuichi Kawahira, Masahiro Hasegawa, Kiyoshi Minoura
  • Publication number: 20230077158
    Abstract: An optical element includes, sequentially from a viewing surface side toward a back surface side: a viewing-surface-side polarizer; a retarder; and a back-surface-side polarizer, a transmission axis of the viewing-surface-side polarizer and a transmission axis of the back-surface-side polarizer being parallel to each other, the optical element having an average angle ? between an angle ?1 and an angle ?2 of greater than 0° and smaller than 90°, wherein the angle ?1 represents an angle formed by an optical axis of the retarder on a surface close to the back surface with the surface close to the back surface; and the angle ?2 represents an angle formed by an optical axis of the retarder on a surface close to the viewing surface with the surface close to the viewing surface.
    Type: Application
    Filed: August 23, 2022
    Publication date: March 9, 2023
    Inventors: Akira SAKAI, Yuichi KAWAHIRA, Masahiro HASEGAWA, Ryosuke SAIGUSA
  • Publication number: 20230043701
    Abstract: An optical stack for a display device includes multiple layers that are incorporated into a display device that further includes a display panel. The optical stack includes a resin layer, an alignment film, an optical compensation layer, a polarizer, and a hard coat layer that are stacked in this order from a panel side. The optical stack is formed by preparing and coating a solution for each layer, and then curing and otherwise treating each layer as warranted for a particular layer, in turn to form the optical stack.
    Type: Application
    Filed: August 17, 2022
    Publication date: February 9, 2023
    Inventors: Akira Sakai, Masahiro Hasegawa, Miho Yamada, Kiyoshi Minoura
  • Patent number: 11564885
    Abstract: Pharmaceutical formulation comprising centanafadine or a pharmaceutically acceptable salt thereof and an excipient, and related methods of manufacture and use, are disclosed.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: January 31, 2023
    Assignee: OTSUKA PHARMACEUTICAL CO, LTD.
    Inventors: Syed Asfar Mateen, Praveen Kumar Mididoddi, Shailly Mehrotra, Susan Elizabeth Shoaf, Salin Gupta, Kai Suzuki, Masahiro Hasegawa
  • Publication number: 20230017351
    Abstract: A polarizing plate includes a polarizing layer over a base material, an inorganic insulation layer over the polarizing layer, and a water-resistant layer over the inorganic insulation layer, where the water-resistant layer covers sidewalls of the polarizing layer and sidewalls of the inorganic insulation layer, when the base material is viewed from a top plan view.
    Type: Application
    Filed: July 19, 2021
    Publication date: January 19, 2023
    Inventors: MIHO YAMADA, MASAHIRO HASEGAWA, AKIRA HIRAI, AKIRA SAKAI
  • Patent number: 11550187
    Abstract: The liquid crystal display device includes: a first polarizer having a first transmission axis; a liquid crystal panel; a second polarizer having a second transmission axis; a biaxial retarder having a slow axis parallel to the second transmission axis; a third polarizer having a third transmission axis parallel to the second transmission axis; and a backlight, a back side polarizer portion that includes the second polarizer, the biaxial retarder, and the third polarizer satisfying the following formula (1): ?YI2=YI2?? YI2<0 (1) wherein YI2? represents a yellowness index in observation from an oblique direction, YI2 represents a yellowness index in observation from a front direction, and ?YI2 represents a difference between YI2? and YI2, wherein the front direction represents a direction at a 0° polar angle and the oblique direction represents a direction at a 60° polar angle and a 45° azimuth.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: January 10, 2023
    Assignee: Sharp Display Technology Corporation
    Inventors: Yuichi Kawahira, Takako Koide, Masahiro Hasegawa, Akira Sakai
  • Publication number: 20220397711
    Abstract: A polarizer for use with a display device having a viewing area and a non-viewing area includes a patterned hydrophobic layer, a patterned lyotropic liquid crystal (LC) polarizer layer, a lyotropic LC polarizer alignment layer, a reactive mesogen (RM) quarter wave plate (QWP) layer, an RM QWP alignment layer, a substrate, and an adhesive. The patterned hydrophobic layer surrounds the patterned lyotropic LC polarizer layer. The patterned hydrophobic layer is wholly contained within the non-viewing area of the display device. The substrate is adjacent to the RM QWP alignment layer, and the adhesive is disposed between the substrate and the display device.
    Type: Application
    Filed: June 9, 2021
    Publication date: December 15, 2022
    Inventors: Nathan James SMITH, JIYUN YU, ANDREW ACREMAN, KIYOSHI MINOURA, AKIRA SAKAI, MASAHIRO HASEGAWA, MIHO YAMADA
  • Publication number: 20220318660
    Abstract: A superconducting circuit and a quantum computer capable of implementing four-body interaction using a plurality of superconducting qubit circuits supplied with signals of the same frequency are provided. A superconducting circuit (1) includes four superconducting qubit circuits (10), a coupling circuit (20) directly connected to the four superconducting qubit circuits (10). Each of the superconducting qubit circuits (10) indicates a qubit by being in a first phase state or a second phase state, when the number of the superconducting qubit circuits (10) in the first phase state among the four superconducting qubit circuits (10) is an even number, an interaction term of Hamiltonian of the superconducting circuit (1) takes a first value, and when the number of the superconducting qubit circuits (10) in the first phase state among the four superconducting qubit circuits (10) is an odd number, the interaction term takes a second value.
    Type: Application
    Filed: June 26, 2020
    Publication date: October 6, 2022
    Applicant: NEC Corporation
    Inventors: Masahiro HASEGAWA, Tsuyoshi YAMAMOTO, Yoshihito HASHIMOTO
  • Patent number: 11435509
    Abstract: An optical stack for a display device includes multiple layers that are incorporated into a display device that further includes a display panel. The optical stack includes a resin layer, an alignment film, an optical compensation layer, a polarizer, and a hard coat layer that are stacked in this order from a panel side. The optical stack is formed by preparing and coating a solution for each layer, and then curing and otherwise treating each layer as warranted for a particular layer, in turn to form the optical stack.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: September 6, 2022
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Akira Sakai, Masahiro Hasegawa, Miho Yamada, Kiyoshi Minoura
  • Publication number: 20220276537
    Abstract: The liquid crystal display device includes: a first polarizer having a first transmission axis; a liquid crystal panel; a second polarizer having a second transmission axis; a biaxial retarder having a slow axis parallel to the second transmission axis; a third polarizer having a third transmission axis parallel to the second transmission axis; and a backlight, a back side polarizer portion that includes the second polarizer, the biaxial retarder, and the third polarizer satisfying the following formula (1): ?YI2=YI2?? YI2<0 (1) wherein YI2? represents a yellowness index in observation from an oblique direction, YI2 represents a yellowness index in observation from a front direction, and ?YI2 represents a difference between YI2? and YI2, wherein the front direction represents a direction at a 0° polar angle and the oblique direction represents a direction at a 60° polar angle and a 45° azimuth.
    Type: Application
    Filed: February 15, 2022
    Publication date: September 1, 2022
    Inventors: Yuichi KAWAHIRA, Takako KOIDE, Masahiro HASEGAWA, Akira SAKAI
  • Patent number: 11428991
    Abstract: The liquid crystal display device includes, sequentially from a viewing surface side to a back surface side: a linearly polarizing plate and a circularly polarizing plate including a first ?/4 retardation layer; a thin-film transistor substrate including a pair of electrodes disposed in a pixel region and a metal line disposed outside the pixel region; a liquid crystal layer containing liquid crystal molecules aligned parallel to the thin-film transistor substrate, alignment of the liquid crystal molecules varying in response to an electric field generated by application of voltage to the pair of electrodes; a color filter substrate including a color filter layer; and a backlight, the thin-film transistor substrate including a second ?/4 retardation layer, the color filter substrate including a reflective layer disposed outside the pixel region and configured to reflect incident light from the backlight toward the back surface.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: August 30, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yuichi Kawahira, Takako Koide, Masahiro Hasegawa, Akira Hirai, Akira Sakai, Kiyoshi Minoura
  • Publication number: 20220265557
    Abstract: Pharmaceutical formulation comprising centanafadine or a pharmaceutically acceptable salt thereof and an excipient, and related methods of manufacture and use, are disclosed.
    Type: Application
    Filed: February 22, 2022
    Publication date: August 25, 2022
    Inventors: Syed Asfar Mateen, Praveen Kumar Mididoddi, Shailly Mehrotra, Susan Elizabeth Shoaf, Salin Gupta, Kai Suzuki, Masahiro Hasegawa
  • Publication number: 20220261680
    Abstract: A superconducting circuit and a quantum computer capable of implementing four-body interaction while reducing an amount of hardware are provided. A superconducting circuit (1) includes four superconducting qubit circuits (10), a coupling circuit (20) inductively coupled to the four superconducting qubit circuits (10). Each of the superconducting qubit circuits (10) indicates a qubit by being in a first phase state or a second phase state, when the number of the superconducting qubit circuits (10) in the first phase state among the four superconducting qubit circuits (10) is an even number, an interaction term of Hamiltonian of the superconducting circuit (1) takes a first value, and when the number of the superconducting qubit circuits (10) in the first phase state among the four superconducting qubit circuits (10) is an odd number, the interaction term takes a second value.
    Type: Application
    Filed: June 26, 2020
    Publication date: August 18, 2022
    Applicant: NEC Corporation
    Inventors: Masahiro HASEGAWA, Tsuyoshi YAMAMOTO, Yoshihoto HASHIMOTO
  • Publication number: 20220179144
    Abstract: In a flexible display device, a transistor layer, a light-emitting element layer, a sealing layer, a first flexible substrate, a ?/4 layer, a linear polarizer, an overcoat layer, and a water repellent layer are provided in this order on a second flexible substrate, and the water repellent layer is provided so as to overlap with at least an end portion of the overcoat layer.
    Type: Application
    Filed: April 16, 2019
    Publication date: June 9, 2022
    Inventors: MIHO YAMADA, MASAHIRO HASEGAWA, AKIRA SAKAI
  • Patent number: 11347118
    Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a first polarizer plate, and a second polarizer plate. The first substrate includes a first dielectric substrate, a first electrode, a second electrode, and a first alignment film. The second electrode includes a plurality of slits and a conductive portion. The second substrate includes a second dielectric substrate and a second alignment film. The first substrate further includes a resin layer disposed between the second electrode and the first alignment film. The resin layer within the plurality of slits is as thick as or thicker than the second electrode. The plurality of slits are filled with the resin layer. A difference in height between the resin layer over the conductive portion of the second electrode and the resin layer within the plurality of slits of the second electrode is 10 nm or more.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: May 31, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Akira Sakai, Masahiro Hasegawa, Miho Yamada, Yuichi Kawahira, Koji Murata, Kiyoshi Minoura