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: 20210373382
    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: May 27, 2021
    Publication date: December 2, 2021
    Inventors: Akira Sakai, Yuichi Kawahira, Masahiro Hasegawa, Kiyoshi Minoura
  • Patent number: 11179507
    Abstract: A blood purification apparatus to which a blood circuit that allows a patient's blood to extracorporeally circulate and a blood purifier connected to the blood circuit and that purifies the blood in extracorporeal circulation are attachable, the blood purification apparatus including a dialysate introduction line through which dialysate is introduced into the blood purifier; a dialysate drain line through which waste dialysate resulting from blood purification performed by the blood purifier is drained from the blood purifier; and a concentration-detecting unit that detects a concentration of a predetermined substance in the waste dialysate resulting from the blood purification by the blood purifier and flowing through the dialysate drain line.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: November 23, 2021
    Assignee: Nikkiso Company Limited
    Inventors: Satoru Kawarabayashi, Shinya Hasegawa, Tomoya Murakami, Kunihiko Akita, Masahiro Toyoda
  • Patent number: 11181770
    Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a first polarizing plate, and a second polarizing plate. The first substrate includes a first dielectric substrate, first and second electrodes, provided over the first dielectric substrate and configured to generate a transverse electric field in the liquid crystal layer, at least either of which has a plurality of slits, and a first alignment film placed in contact with the liquid crystal layer. The first substrate further includes an inorganic insulating layer provided between the second electrode and the first alignment film. The difference between the refractive index of the inorganic insulating layer and the refractive index of the second electrode is smaller than or equal to 0.20. The thickness of the inorganic insulating layer is greater than or equal to 50% of the thickness of the second electrode and greater than or equal to 40 nm.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: November 23, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Akira Sakai, Masahiro Hasegawa, Miho Yamada, Koji Murata, Kiyoshi Minoura
  • Publication number: 20210359923
    Abstract: A packet flow monitoring device, a packet data extraction device, an extraction data aggregation device, and a program for efficiently and highly accurately monitoring a packet flow in a video or audio communication system constructed by an Ethernet (registered trademark) frame or IP packet network. This packet flow monitoring device includes: a packet data extraction device that replicates all passing packets that pass through one or a plurality of specific network switches on the network and extracts and aggregates some predetermined pieces of information in the replicated passing packets to form and output an extraction data report packet; and an extraction data aggregation device that receives the extraction data report packet, analyzes the extraction data report packet so as to aggregate the predetermined pieces of information in the replicated passing packets included in the extraction data report packet for each packet flow, and records the aggregated information as aggregation data.
    Type: Application
    Filed: October 24, 2019
    Publication date: November 18, 2021
    Applicant: INTELLIGENT WAVE INC.
    Inventors: Tomofumi KOYAMA, Masahiro KAWARAGI, Takuya KURAKAKE, Masaki TSUJI, Ryo HASEGAWA, Keiichiro KATSUTA, Naoya SUZUKI
  • Patent number: 11169419
    Abstract: A photo-alignment film of the present invention includes a polymer layer containing a photoreactive polymer and metal nanoparticles dispersed in the polymer layer at a concentration of 109 particles/(cm2×100 nm) or more and 1019 particles/(cm2×100 nm) or less. The metal nanoparticles have an absorption peak in a wavelength region of 420 nm or less. An absorbance A1 at the absorption peak of the metal nanoparticles and an absorbance A2 at an absorption peak of the polymer layer satisfy a relationship represented by the following formula 1: 0.2?A1/A2?25??(Formula 1).
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: November 9, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Koji Murata, Akira Sakai, Yuichi Kawahira, Takako Koide, Masahiro Hasegawa, Kiyoshi Minoura
  • Publication number: 20210341787
    Abstract: A circular polarizer according to the disclosure includes a ?/4 layer, and a polarization layer that is layered on the ?/4 layer and includes a lyotropic liquid crystal, and an overcoat layer covering an upper surface and a side surface of the polarization layer and a side surface of the ?/4 layer is formed.
    Type: Application
    Filed: September 28, 2018
    Publication date: November 4, 2021
    Inventors: MASAHIRO HASEGAWA, MIHO YAMADA, AKIRA SAKAI
  • Publication number: 20210313138
    Abstract: Provided is a mirror electronic inspection device which is a defect inspection device for detecting a defect of a semiconductor substrate or the like, and evaluates temperature dependence of the defect in a vacuum. A heating stage including a heater (heat generating element) covered with an electrically insulated insulating material, a heater base on which a sample is mounted, and a heat shielding plate and equipotential surface is mounted on a moving stage installed in a sample chamber of a device via an electrically insulated and thermally insulated fixing member. A heater power supply is connected to the heater (heat generating element), and a sample application power supply is connected to the heater base. The heater power supply and the sample application power supply are electrically separated.
    Type: Application
    Filed: September 12, 2018
    Publication date: October 7, 2021
    Applicant: Hitachi High-Tech Corporation
    Inventors: Masahiro YAMAOKA, Masaki HASEGAWA, Masakazu SUGAYA, Akihiro FURUKAWA, Katsunori ONUKI
  • Patent number: 11131891
    Abstract: The present invention provides a liquid crystal display device of a transverse electric field mode that may inhibit internal reflection and realize proper black display to which coloring does not occur. The present invention provides a liquid crystal display device including a first linear polarizer, a first ?/4 retardation layer, a first substrate, a second ?/4 retardation layer configured with a different material from the first ?/4 retardation layer, a liquid crystal layer that contains liquid crystals which are horizontally aligned in a case where no voltage is applied, plural electrode pairs that generate a transverse electric field in the liquid crystal layer by a voltage being applied, a second substrate, a second linear polarizer, and a backlight. In a case where a color of light emitted from the backlight is expressed by using chromaticity coordinates (x, y) of an XYZ color system, both of x and y are 0.32 or greater.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: September 28, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Akira Sakai, Yuichi Kawahira, Koji Murata, Masahiro Hasegawa, Takako Koide, Kozo Nakamura, Kiyoshi Minoura
  • Patent number: 11129053
    Abstract: The present invention addresses the problems of reduction of an operation guaranteed period and an operation failure of an entire system caused by the reduction of the operation guaranteed period or an operation stop of a specific device. The present invention includes a control unit that controls transmission of a triggering message to a terminal based on at least one of an identifier included in the triggering message for triggering the terminal and used to identify the terminal, and an identifier for identifying a group to which the terminal belongs.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: September 21, 2021
    Assignee: NEC CORPORATION
    Inventors: Toru Yamada, Kyoji Hirata, Akira Kamei, Masahiro Serizawa, Hotaka Sugano, Satoshi Hasegawa, Masashi Shimoma
  • Publication number: 20210286213
    Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a first polarizing plate, and a second polarizing plate. The first substrate includes a first dielectric substrate, first and second electrodes, provided over the first dielectric substrate and configured to generate a transverse electric field in the liquid crystal layer, at least either of which has a plurality of slits, and a first alignment film placed in contact with the liquid crystal layer. The first substrate further includes an inorganic insulating layer provided between the second electrode and the first alignment film. The difference between the refractive index of the inorganic insulating layer and the refractive index of the second electrode is smaller than or equal to 0.20. The thickness of the inorganic insulating layer is greater than or equal to 50% of the thickness of the second electrode and greater than or equal to 40 nm.
    Type: Application
    Filed: March 10, 2021
    Publication date: September 16, 2021
    Inventors: AKIRA SAKAI, MASAHIRO HASEGAWA, MIHO YAMADA, KOJI MURATA, KIYOSHI MINOURA
  • Patent number: 11122460
    Abstract: An object is to provide a policy control system that can easily change a policy. A policy control system according to the present invention includes a PCRF entity (10) including a policy control unit (11) for determining a policy to be applied to a group including a plurality of wireless terminals according to environmental information changed at a specified timing and a PCEF entity (20) including a policy control execution unit (21) for applying the policy determined by the policy control unit (11) to communication related to the plurality of wireless terminals included in the group.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: September 14, 2021
    Assignee: NEC CORPORATION
    Inventors: Kyoji Hirata, Toru Yamada, Masahiro Serizawa, Akira Kamei, Yumiko Okuyama, Masashi Shimoma, Satoshi Hasegawa
  • Patent number: 11114318
    Abstract: Provided is an assembling apparatus for a semiconductor manufacturing apparatus. The assembling apparatus includes: a body; lift attached to the body and configured to move a reaction tube having an opening at a lower end portion thereof vertically, thereby allowing a gas supply pipe to be installed inside the reaction tube through the opening while the reaction tube is held by the lift; gas supply source configured to supply a gas into the reaction tube through the gas supply pipe while the reaction tube is held by the lift; and an exhaust mechanism including a pump configured to exhaust an inside of the reaction tube through the opening, thereby performing a leakage test of the reaction tube while the reaction tube is held by the lift.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: September 7, 2021
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Hisashi Inoue, Masahiro Kobayashi, Michihiro Takahashi, Tamotsu Hatakeyama, Harunari Hasegawa, Hiroshi Kikuchi, Yoshihisa Kumagai
  • Patent number: 11097545
    Abstract: A liquid ejection device, a cleaning apparatus and a cleaning method for a module substrate, which can remove foreign matter on an ejection opening face and in a flow path connected with an ejection opening is provided. For that purpose, an ejection opening face is covered with liquid, cleaning is performed by driving a device configured to vibrate liquid, and after that the liquid is collected.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: August 24, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akiko Iimura, Hisashi Namba, Noriyasu Hasegawa, Masahiro Kuri
  • Publication number: 20210251902
    Abstract: Provided is a composition comprising delamanid particles for which the formation of secondary particles is suppressed. Specifically, provided is a composition comprising (A) delamanid particles and (B) a surface stabilizer.
    Type: Application
    Filed: June 11, 2019
    Publication date: August 19, 2021
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Atsuya NAKAMURA, Hiroyuki YAMAZAKI, Masahiro HASEGAWA, Naoki KAMADA
  • Patent number: 11079626
    Abstract: A liquid crystal display device includes: a liquid crystal panel; a backlight; an illuminance sensor; and a display controller. The liquid crystal panel includes, in order toward the backlight, an antireflection layer, a first linearly polarizing plate, a first ?/4 retardation layer, a first substrate, a second ?/4 retardation layer, a liquid crystal layer, a second substrate, and a second linearly polarizing plate. The liquid crystal panel has a reflectance within a predetermined range in irradiating the liquid crystal panel with light from an antireflection layer side. The liquid crystal display device satisfies a predetermined relation in the following X and Y, where X (unit: lx) is defined as an environmental illuminance detected by the illuminance sensor, and Y (unit: nit) is defined as a luminance of the backlight, adjusted by the display controller.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: August 3, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yuichi Kawahira, Koji Murata, Takako Koide, Masahiro Hasegawa, Akira Sakai, Kiyoshi Minoura
  • Publication number: 20210215968
    Abstract: A liquid crystal display device of the present invention includes in the following order from a viewing surface side a first polarizer, a first positive A plate having an in-plane retardation of 120 nm or greater and 155 nm or smaller, a positive C plate having a thickness retardation of 80 nm or greater and 100 nm or smaller, a first substrate, a second positive A plate having an in-plane retardation of 120 nm or greater and 155 nm or smaller, a horizontally aligned liquid crystal layer, a second substrate, a viewing angle compensation layer, and a second polarizer. The device further includes between the first polarizer and the first positive A plate a positive C plate having a thickness retardation of 30 nm or greater and 80 nm or smaller.
    Type: Application
    Filed: March 25, 2021
    Publication date: July 15, 2021
    Inventors: MASAHIRO HASEGAWA, AKIRA SAKAI, TAKAKO KOIDE, YUICHI KAWAHIRA, KOJI MURATA, KIYOSHI MINOURA
  • Publication number: 20210132450
    Abstract: The present invention provides a liquid crystal display device of a transverse electric field mode that may inhibit internal reflection and realize proper black display to which coloring does not occur. The present invention provides a liquid crystal display device including a first linear polarizer, a first ?/4 retardation layer, a first substrate, a second ?/4 retardation layer configured with a different material from the first ?/4 retardation layer, a liquid crystal layer that contains liquid crystals which are horizontally aligned in a case where no voltage is applied, plural electrode pairs that generate a transverse electric field in the liquid crystal layer by a voltage being applied, a second substrate, a second linear polarizer, and a backlight. In a case where a color of light emitted from the backlight is expressed by using chromaticity coordinates (x, y) of an XYZ color system, both of x and y are 0.32 or greater.
    Type: Application
    Filed: July 6, 2018
    Publication date: May 6, 2021
    Inventors: AKIRA SAKAI, YUICHI KAWAHIRA, KOJI MURATA, MASAHIRO HASEGAWA, TAKAKO KOIDE, KOZO NAKAMURA, KIYOSHI MINOURA
  • Patent number: 10989954
    Abstract: A liquid crystal display device of the present invention includes in the following order from a viewing surface side a first polarizer, a first positive A plate having an in-plane retardation of 120 nm or greater and 155 nm or smaller, a positive C plate having a thickness retardation of 80 nm or greater and 100 nm or smaller, a first substrate, a second positive A plate having an in-plane retardation of 120 nm or greater and 155 nm or smaller, a horizontally aligned liquid crystal layer, a second substrate, a viewing angle compensation layer, and a second polarizer. The device further includes between the first polarizer and the first positive A plate a positive C plate having a thickness retardation of 30 nm or greater and 80 nm or smaller.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: April 27, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masahiro Hasegawa, Akira Sakai, Takako Koide, Yuichi Kawahira, Koji Murata, Kiyoshi Minoura
  • Patent number: D932725
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: October 5, 2021
    Assignee: Tokyo Electron Limited
    Inventors: Masahiro Kobayashi, Michihiro Takahashi, Harunari Hasegawa, Yoshihisa Kumagai
  • Patent number: D937526
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: November 30, 2021
    Assignee: Tokyo Electron Limited
    Inventors: Masahiro Kobayashi, Michihiro Takahashi, Harunari Hasegawa, Yoshihisa Kumagai