Patents by Inventor Akira Hasegawa

Akira 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: 20210109269
    Abstract: The present invention provides: (I) a display device including a display panel, a retardation layer, and a polarizer which are stacked in the stated order from a back surface side to a viewing surface side and integrated without an adhesive layer; and (II) a method for producing a display device including: forming a first alignment film on a display panel, applying a solution containing first polymerizable liquid crystal to the first alignment film, and curing the first polymerizable liquid crystal to produce a retardation layer; and forming a second alignment film on the retardation layer, applying a solution containing second polymerizable liquid crystal and a dichroic material to the second alignment film, and curing the second polymerizable liquid crystal to produce a polarizer.
    Type: Application
    Filed: March 23, 2018
    Publication date: April 15, 2021
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: AKIRA SAKAI, MASAHIRO HASEGAWA, ATSUSHI BAN, KOJI MURATA, YUICHI KAWAHIRA, KIYOSHI MINOURA, TAKAKO KOIDE, KOZO NAKAMURA
  • Publication number: 20210103083
    Abstract: The present invention provides a method for producing a retardation film excellent in retardation controllability against heat and the retardation film. The method for producing a retardation film includes, in the following order: fixing an alignment of liquid crystal compounds to form a retardation giving layer, and heating the retardation giving layer. Preferably, the heating is first heating and the method further includes second heating for heating the retardation giving layer after the first heating.
    Type: Application
    Filed: July 18, 2017
    Publication date: April 8, 2021
    Inventors: KOJI MURATA, AKIRA SAKAI, YUICHI KAWAHIRA, MASAHIRO HASEGAWA, TAKAKO KOIDE, KOZO NAKAMURA, KIYOSHI MINOURA
  • Patent number: 10962839
    Abstract: The liquid crystal display panel includes in the following order from a viewing surface side to a back surface side: a first polarizer; a first ?/4 retardation layer; a first substrate; a second ?/4 retardation layer; a liquid crystal layer; a second substrate; and a second polarizer, the liquid crystal display panel being in a transverse electric field mode, the first substrate including a color filter layer in a display region, the second ?/4 retardation layer being a single layer covering the color filter layer and including a first retardation portion in an end region of the display region and a second retardation portion in a central region of the display region, the first retardation portion having a greater thickness than the second retardation portion, and the first retardation portion and the second retardation portion differing from each other in in-plane retardation by 10 nm or less.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: March 30, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yuichi Kawahira, Kiyoshi Minoura, Akira Sakai, Takako Koide, Masahiro Hasegawa, Koji Murata
  • Patent number: 10948778
    Abstract: A liquid crystal display panel of the present invention includes, sequentially from the viewer side: a first linearly polarizing plate; a first ?/4-wavelength layer; a first substrate including a color filter, a black matrix, and a second ?/4-wavelength layer; a liquid crystal layer; a second substrate; and a second linearly polarizing plate, the liquid crystal display panel further including a sealing material disposed so as to surround the liquid crystal layer in a plan view, wherein the second ?/4-wavelength layer is disposed closer to the liquid crystal layer than the color filter and the black matrix are and such that an outer edge of the second ?/4-wavelength layer lies inside an arrangement region of the sealing material, and the first ?/4-wavelength layer and the second ?/4-wavelength layer are disposed such that their slow axes are perpendicular to each other.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: March 16, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masahiro Hasegawa, Koji Murata, Yuichi Kawahira, Takako Koide, Kozo Nakamura, Akira Sakai, Kiyoshi Minoura
  • Publication number: 20210074095
    Abstract: An information processing apparatus includes a processor and a memory. The memory is in communication with the processor, where the memory stores computer-readable instructions that are executed by the processor. The processor performs operations including storing, in association with each other, vehicle position information with which a vehicle is identified, and parcel receipt information with which the vehicle is specified instead of an address or a name. The operations further include specifying the vehicle based on the parcel receipt information. The operations further include acquiring authentication information with which the vehicle is unlocked. The operations further include sending the authentication information to a device.
    Type: Application
    Filed: November 20, 2020
    Publication date: March 11, 2021
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Etsuko NAKAJIMA, Naoki UENOYAMA, Junya MASUI, Akira HOSHINO, Hideo HASEGAWA, Keiko NAKANO
  • Patent number: 10937928
    Abstract: To provide a nitride semiconductor element having a better contact resistance reduction effect also in the case of a light emitting element containing AlGaN having a high Al composition. The nitride semiconductor element has a substrate 1, a first conductivity type first nitride semiconductor layer 2 formed on the substrate 1, and a first electrode layer 4 formed on the first nitride semiconductor layer 2. The first electrode layer 4 contains aluminum and nickel, and both aluminum and an alloy containing aluminum and nickel are present in a contact surface to the first nitride semiconductor layer 2 or in the vicinity of the contact surface.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: March 2, 2021
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Aya Yokoyama, Yoshihito Hagihara, Ryosuke Hasegawa, Akira Yoshikawa, Ziyi Zhang, Tomohiro Morishita
  • Patent number: 10933834
    Abstract: A vehicle roof structure includes a reinforcement extending in a width direction of a vehicle between two roof side rails on the opposite sides in the width direction. The load transmission member includes a first coupling portion that couples the load transmission member to the reinforcement and a second coupling portion that couples the load transmission member to one of the roof side rails. A load transmission portion is located between the first coupling portion and the second coupling portion when the load transmission member is viewed in the front-to-rear direction. The load transmission portion includes a part extending straight in the width direction. An inflator supporting portion extends from the load transmission portion.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: March 2, 2021
    Assignees: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akira Chiba, Yoshio Ichishita, Takafumi Hasegawa, Toyohisa Kodama
  • Patent number: 10925962
    Abstract: Provided are: a polymeric IgA-type recombinant antibody; a medicine containing this polymeric IgA-type recombinant antibody as an active ingredient; a method for producing this polymeric IgA type antibody, the method including the step of coexpressing an IgA-type antibody heavy-chain protein, an antibody light-chain protein, an antibody J-chain protein, and a secretory component protein within a single cell; and a method for improving the antigen-binding activity or neutralizing activity of this antibody, the method including the step of making an antibody into a polymeric IgA-type.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: February 23, 2021
    Assignee: Nippi, Incorporated
    Inventors: Shinji Saito, Tadaki Suzuki, Hideki Hasegawa, Akira Ainai, Kiyoko Goto, Tomonori Ueno, Yuki Taga
  • Publication number: 20210048568
    Abstract: In order to make a step of forming an coated-type polarizer easier, provided is a display device including, from a lower layer, a TFT layer, a light-emitting layer, a sealing layer, and a polarization layer in this order, in which the polarization layer includes a polymerizable liquid crystal layer containing a polymerizable liquid crystal into which a dichroic pigment is mixed and an alignment film coming in contact with a portion of the polymerizable liquid crystal layer to align the polymerizable liquid crystal contained in the polymerizable liquid crystal layer with which the alignment film is in contact, and in a display region, a region in which the polymerizable liquid crystal layer and the alignment film of the polarization layer come into contact with each other is a polarization portion, and in a frame region surrounding the display region, a region in which the polymerizable liquid crystal layer and the alignment film of the polarization layer do not come in contact with each other is a black fr
    Type: Application
    Filed: March 15, 2018
    Publication date: February 18, 2021
    Inventors: AKIRA SAKAI, MASAHIRO HASEGAWA
  • Publication number: 20210051447
    Abstract: A multicast control device capable of reducing the distribution time of multicast data is provided. A multicast control device (10) according to the present disclosure includes a determination unit (11) configured to determine whether the number of communication terminals joining a multicast service exceeds a predetermined threshold, and a session control unit (12) configured to start a multicast session for a plurality of communication terminals joining the multicast service when it is determined that the number of communication terminals joining the multicast service exceeds the predetermined threshold.
    Type: Application
    Filed: February 8, 2019
    Publication date: February 18, 2021
    Applicant: NEC CORPORATION
    Inventors: Akira KAMEI, Torn YAMADA, Kyoji HIRATA, Masahiro SERIZAWA, Satoshi HASEGAWA, Masashi SHIMOMA
  • Publication number: 20210041973
    Abstract: Electronic equipment includes a pressed body as either a housing or a display, a pressure-sensitive sensor, a support configured to support the pressure-sensitive sensor such that the pressure-sensitive sensor is opposed to the pressed body, and a filler provided between the pressed body and the pressure-sensitive sensor. The filler has a thickness that changes with distance between the pressed body and the pressure-sensitive sensor.
    Type: Application
    Filed: March 6, 2019
    Publication date: February 11, 2021
    Inventors: AKIRA EBISUI, KEN KOBAYASHI, HAYATO HASEGAWA, YOSHIAKI SAKAKURA, MANAMI MIYAWAKI
  • Publication number: 20210028407
    Abstract: A display device including a light-emitting layer, a touch panel, a phase difference layer, and a linear polarizing layer, wherein the touch panel and the phase difference layer are provided between the light-emitting layer and the linear polarizing layer, the touch panel includes a touch panel base material and a touch panel electrode, the touch panel base material is formed from a resin film, a phase difference of the resin film is (?0/4)+?0 at reference wavelength ?0, the phase difference layer is formed from a polymerizable liquid crystal material, a phase difference ? of the phase difference layer is ?0 at reference wavelength ?0, and a slow axis of the resin film is orthogonal to a slow axis of the phase difference layer.
    Type: Application
    Filed: March 29, 2018
    Publication date: January 28, 2021
    Inventors: AKIRA SAKAI, MASAHIRO HASEGAWA
  • Publication number: 20210021967
    Abstract: A multicast control device capable of reducing the distribution time of multicast data is provided. A multicast control device (10) according to the present disclosure includes a determination unit (11) configured to determine whether the number of communication terminals joining a multicast service exceeds a predetermined threshold, and a session control unit (12) configured to start a multicast session for a plurality of communication terminals joining the multicast service when it is determined that the number of communication terminals joining the multicast service exceeds the predetermined threshold.
    Type: Application
    Filed: February 8, 2019
    Publication date: January 21, 2021
    Applicant: NEC CORPORATION
    Inventors: Akira KAMEI, Toru YAMADA, Kyoji HIRATA, Masahiro SERIZAWA, Satoshi HASEGAWA, Masashi SHIMOMA
  • Patent number: 10890805
    Abstract: A liquid crystal display device includes sequentially from a viewing surface side: a first polarizer; an out-cell retardation layer; a first substrate; an in-cell retardation layer; a horizontally aligned liquid crystal layer; a second substrate; and a second polarizer. The liquid crystal display device includes a viewing angle compensation film between the first polarizer and the out-cell retardation layer or between the second substrate and the second polarizer. The out-cell retardation layer is a laminate including sequentially from a viewing surface side: a first retardation layer having an NZ coefficient of 1.0-1.1 and an Re of 120 nm or greater and smaller than 137.5 nm; and a second retardation layer having an Re of 0-10 nm and an Rth of 80-150 nm. The in-cell retardation layer is a third retardation layer having an NZ coefficient of 0.7-1.4 and an Re of 120 nm or greater and smaller than 137.5 nm.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: January 12, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masahiro Hasegawa, Akira Sakai, Takako Koide, Yuichi Kawahira, Koji Murata, Kiyoshi Minoura
  • Patent number: 10891811
    Abstract: An authentication information issuing apparatus is configured to issue authentication information with which a vehicle is unlocked, to a portable terminal, the vehicle being capable of containing a parcel and being locked and unlocked based on the authentication information acquired from the portable terminal, and includes a storage device, an acquiring device and an authentication information sending device. The storage device is configured to store a parcel receipt ID as information with which a delivery destination of the parcel is specified and a vehicle ID as information with which the vehicle is identified, in association with each other. The acquiring device is configured to acquire the parcel receipt ID associated with a target parcel. The authentication information sending device is configured to send the authentication information with which a vehicle as a containment destination of the parcel is unlocked, to the portable terminal, based on the acquired parcel receipt ID.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: January 12, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Etsuko Nakajima, Naoki Uenoyama, Junya Masui, Akira Hoshino, Hideo Hasegawa, Keiko Nakano
  • Publication number: 20200413229
    Abstract: A multicast control device capable of reducing the processing load of a core network device that occurs when a large number of communication devices use a multicast service is provided. A multicast control device (10) according to the present disclosure includes a communication unit (13) configured to receive a joining request message from a communication terminal to join a multicast service, a determination unit (11) configured to determine whether the number of communication terminals already joining the multicast service reaches a predetermined threshold, and a management unit (12) configured to reject joining of the communication terminal having sent the joining request message to the multicast service when it is determined that the number of communication terminals already joining the multicast service reaches the predetermined threshold.
    Type: Application
    Filed: February 8, 2019
    Publication date: December 31, 2020
    Applicant: NEC CORPORATION
    Inventors: Akira KAMEI, Torn YAMADA, Kyoji HIRATA, Masahiro SERIZAWA, Satoshi HASEGAWA, Masashi SHIMOMA
  • Patent number: 10873874
    Abstract: The present disclosure aims to provide a base station, a radio relay station, a communication method, and a program capable of preventing communication from being unavailable when the base station is brought into a high load condition. A base station (10) configured to communicate with a communication terminal (30) through a radio relay station (20), the base station (10) including: a control unit (11) configured to detect whether the own apparatus is in an overload condition exceeding a predetermined load; and a communication unit (12) configured to transmit, in order to cause the radio relay station (20) to connect to another base station that is not in an overload condition, information about the other base station to the radio relay station (20) when the control unit (11) detects that the own apparatus is in an overload condition.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: December 22, 2020
    Assignee: NEC CORPORATION
    Inventors: Akira Kamei, Toru Yamada, Kyoji Hirata, Masahiro Serizawa, Yumiko Okuyama, Masashi Shimoma, Satoshi Hasegawa
  • Patent number: 10873890
    Abstract: The present disclosure aims to provide a base station, a radio relay station, a communication method, and a program capable of preventing communication from being unavailable when the base station is brought into a high load condition. A base station (10) configured to communicate with a communication terminal (30) through a radio relay station (20), the base station (10) including: a control unit (11) configured to detect whether the own apparatus is in an overload condition exceeding a predetermined load; and a communication unit (12) configured to transmit, in order to cause the radio relay station (20) to connect to another base station that is not in an overload condition, information about the other base station to the radio relay station (20) when the control unit (11) detects that the own apparatus is in an overload condition.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: December 22, 2020
    Assignee: NEC CORPORATION
    Inventors: Akira Kamei, Toru Yamada, Masahiro Serizawa, Kyoji Hirata, Yumiko Okuyama, Masashi Shimoma, Satoshi Hasegawa
  • Patent number: D903122
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: November 24, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Takashi Yukita, Haruka Sugita, Akira Hasegawa, Hideyuki Nagai, Yasufumi Tsuchiya
  • Patent number: D913504
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: March 16, 2021
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Takashi Yukita, Haruka Sugita, Akira Hasegawa, Hideyuki Nagai, Yasufumi Tsuchiya