Patents by Inventor Akihiro Hara

Akihiro Hara 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: 11984821
    Abstract: An inverter control device 200 includes a current control unit 210 that outputs a voltage commands (Vd*, Vq*), a modulation wave control unit 220 that generates a modulation wave based on the voltage commands (Vd*, Vq*), a pulse generation unit 230 that generates a PWM pulse for controlling an inverter 100 using a modulation wave and a carrier wave of a predetermined frequency, and a pulse shift unit 250 that corrects the phase of the PWM pulse such that the PWM pulse is output in a phase corresponding to a harmonic of a predetermined order of the modulation wave in the near-zero-cross region including the zero-cross point at which the modulation wave changes across 0.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: May 14, 2024
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Toshiyuki Ajima, Takafumi Hara, Akihiro Ashida, Hirokazu Matsui
  • Patent number: 11926740
    Abstract: Provided are a resin composition including a compound represented by Formula (1) and a resin, a film and a filter including the resin composition, a liquid crystal display device and a solid-state imaging element including the filter, and a compound suitable as a light absorbing component of the resin composition and the filter. In Formula (1), Dye represents a colorant structural part obtained by removing n1 hydrogen atoms from a squarylium compound having a specific structure. Q1 is a structural part in which energy levels of a highest occupied molecular orbital and a lowest unoccupied molecular orbital satisfy a specific condition. L1 represents a divalent linking group and n1 represents an integer of 1 to 4.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: March 12, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Daisuke Sasaki, Akihiro Hara, Kunihiko Kodama, Nobutaka Fukagawa, Yu Naito, Hiroki Kuwahara
  • Publication number: 20240045766
    Abstract: In a storage system that acquires data from a storage system via a network, in the storage system, a snapshot 108 with respect to a predetermined volume is managed, the storage system includes a CPU, and the CPU is configured to receive an acquisition instruction of data of a first snapshot of the predetermined volume and acquire at least a part of data of a difference between the first snapshot and a second snapshot from the storage system when data of the second snapshot of the predetermined volume is acquired.
    Type: Application
    Filed: March 13, 2023
    Publication date: February 8, 2024
    Inventors: Akihiro HARA, Takahiro YAMAMOTO, Hideo SAITO, Takanobu SUZUKI, Akira DEGUCHI
  • Patent number: 11888198
    Abstract: A cell according to the present disclosure includes: a first electrode layer; a solid electrolyte layer on the first electrode layer, the solid electrolyte layer containing Zr; a middle layer on the solid electrolyte layer, the middle layer containing CeO2 which contains Ce and a rare earth element other than Ce; a second electrode layer on the middle layer; and a boundary region between the solid electrolyte layer and the middle layer, the boundary region including a basing point at which a molarity of Ce and a molarity of Zr are equal. An average molarity of the Ce within a range from the basing point up to 3 ?m toward the solid electrolyte layer is equal to or less than 10 mol % with respect to a total of Ce, Zr, and other rare earth elements, an average molarity of Zr within the range is equal to or more than 70 mol % with respect to a total of Ce, Zr, and other rare earth elements, or a molarity ratio of Ce with respect to Zr within the range is equal to or less than 0.143.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: January 30, 2024
    Assignee: KYOCERA Corporation
    Inventors: Tetsuro Fujimoto, Makoto Koi, Akihiro Hara, Masahiko Higashi
  • Patent number: 11867659
    Abstract: A sensor element (10) including: a measurement chamber (150); a pump cell (110) including a solid electrolyte (111), an inner electrode (113) exposed to the measurement chamber, and an outer electrode (112), the pump cell being configured to adjust an oxygen concentration in the measurement chamber; a diffusion resistance portion (151); and a detection cell (120) configured to measure a concentration of a specific gas in the measurement target gas after the adjustment of the oxygen concentration. The outer electrode is covered by a porous layer (114) and is disposed in a hollow space (10G) surrounded by a gas non-permeable dense layer 115, 118. The hollow space is in communication with an air introduction hole (10h) that is open on a rear side relative to the diffusion resistance portion. The outer electrode is exposed via the porous layer to air introduced through the air introduction hole.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: January 9, 2024
    Assignee: NITERRA CO., LTD.
    Inventors: Hitoshi Furuta, Kentaro Kamada, Akinori Kojima, Satoshi Yamahara, Akihiro Hara
  • Publication number: 20230387422
    Abstract: A cell includes an air electrode layer, a fuel electrode layer, and a solid electrolyte layer. The fuel electrode layer contains a first rare earth element and a second rare earth element different from the first rare earth element. The solid electrolyte layer is located between the air electrode layer and the fuel electrode layer, and contains the second rare earth element. The fuel electrode layer has a first site and a second site. The second site is located between the first site and the solid electrolyte layer, and contains at least the second rare earth element.
    Type: Application
    Filed: October 28, 2021
    Publication date: November 30, 2023
    Inventors: Hiroki MURAMATSU, Akihiro HARA
  • Patent number: 11799095
    Abstract: A conductive member includes a base material and a covering part located on the base material and containing a first element. The base material contains chromium. The first element has a smaller value of first ionization energy and a smaller absolute value of free energy formation of oxide than chromium.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: October 24, 2023
    Assignee: KYOCERA Corporation
    Inventors: Kazuki Hirao, Akihiro Hara, Atsuki Yamaguchi
  • Publication number: 20230183489
    Abstract: Provided is a coloring composition containing a coloring agent compound represented by Formula 1 and a medium. Description of T1, T2, R1, R2, X1, and n Formula 1 are omitted.
    Type: Application
    Filed: February 7, 2023
    Publication date: June 15, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Akihiro HARA, Daisuke Sasaki, Hiromichi Numazawa
  • Publication number: 20230060449
    Abstract: A conductive member includes a base material and a covering part located on the base material and containing a first element. The base material contains chromium. The first element has a smaller value of first ionization energy and a smaller absolute value of free energy formation of oxide than chromium.
    Type: Application
    Filed: June 29, 2021
    Publication date: March 2, 2023
    Inventors: Kazuki HIRAO, Akihiro HARA, Atsuki YAMAGUCHI
  • Patent number: 11579963
    Abstract: To be able to support the efficient handling of problems during maintenance. A management board determines an accomplishment sequence of handling manipulation for failures on a maintenance target. The management board includes a CPU, memory, and a storage device. The memory or the storage device stores: condition information associating the handling manipulation with a condition concerning at least accomplishment or non-accomplishment of the manipulation; and failure handling information that associates a failure occurring on the maintenance target with the handling manipulation. The CPU is configured to determine the accomplishment sequence of the handling manipulations so that multiple handling manipulations for multiple failures occurring on the maintenance target satisfy the condition.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: February 14, 2023
    Assignee: Hitachi, Ltd.
    Inventors: Akihiro Hara, Yoshihiro Yoshii, Akira Deguchi
  • Patent number: 11434383
    Abstract: Provided are an ink composition for ink jet printing, and an image forming method and a recorded material using the ink composition for ink jet printing. The ink composition for ink jet printing includes: a colorant represented by the following Formula 1; resin particles; a water-soluble organic solvent; and water. In Formula 1, Y1 and Y2 each independently represent a non-metal atomic group which forms an aliphatic ring or a heterocycle, M+ represents a proton or a monovalent alkali metal cation or organic cation, L1 represents a methine chain consisting of 5 or 7 methine groups, and a methine group at a center of the methine chain has a specific substituent.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: September 6, 2022
    Assignee: FUJIFILM CORPORATION
    Inventors: Misato Sasada, Toshiyuki Makuta, Daisuke Sasaki, Akihiro Hara
  • Publication number: 20220245019
    Abstract: To be able to support the efficient handling of problems during maintenance. A management board determines an accomplishment sequence of handling manipulation for failures on a maintenance target. The management board includes a CPU, memory, and a storage device. The memory or the storage device stores: condition information associating the handling manipulation with a condition concerning at least accomplishment or non-accomplishment of the manipulation; and failure handling information that associates a failure occurring on the maintenance target with the handling manipulation. The CPU is configured to determine the accomplishment sequence of the handling manipulations so that multiple handling manipulations for multiple failures occurring on the maintenance target satisfy the condition.
    Type: Application
    Filed: September 14, 2021
    Publication date: August 4, 2022
    Inventors: Akihiro HARA, Yoshihiro YOSHII, Akira DEGUCHI
  • Patent number: 11379130
    Abstract: A storage system having a processor that provides a volume to be an object of an input/output (I/O) request and executes I/O in response to the I/O request includes a valid volume provided to be the object of the I/O request, and an invalid volume not being provided to be the object. A plurality of invalid volumes includes invalid volumes of a plurality of types of capacities. The processor selects, when a volume creation request is received, the invalid volume on the basis of capacity according to the volume creation request to convert the selected invalid volume into a valid volume, and provides the validated valid volume.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: July 5, 2022
    Assignee: HITACHI, LTD.
    Inventors: Takanobu Suzuki, Akihiro Hara, Masakuni Agetsuma
  • Patent number: 11360690
    Abstract: There is provided a storage device that is connected to a computer and receives an UNMAP command to cancel a relationship between a logical address and a physical address provided to the computer, in response to data deletion on the computer. The storage device includes a control unit configured to make data stored in a physical address specified by the UNMAP command irreversible.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: June 14, 2022
    Assignee: HITACHI, LTD.
    Inventors: Hirotaka Nakagawa, Akihiro Hara
  • Publication number: 20220035695
    Abstract: A computer system includes at least one HCI node, and a high-order management infrastructure which is communicable with the HCI node, and acquires operation information of the HCI node for detecting abnormality in the computer unit. The HCI node generates an event notification table including a resource of the HCI node relevant to an event executed therein, and a type of influence of the event to the HCI node, and transmits the event notification table to the high-order management infrastructure. The operation information includes a load to the resource of the HCI node. The high-order management infrastructure detects abnormality using the operation information and the event notification table.
    Type: Application
    Filed: February 10, 2021
    Publication date: February 3, 2022
    Applicant: Hitachi, Ltd.
    Inventors: Akihiro HARA, Akira DEGUCHI, Tsukasa SHIBAYAMA
  • Patent number: 11237746
    Abstract: In a storage system, attributes of nodes are specified as first attribute nodes and second attribute nodes, the I/O processing in the nodes is executed as a plurality of processes including front-end I/O processing executed by any of the first attribute nodes and back-end I/O processing executed by the first and second attribute nodes having a storage device that stores data relating to the I/O processing.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: February 1, 2022
    Assignee: HITACHI, LTD.
    Inventors: Akihiro Hara, Norio Shimozono, Tomohiro Kawaguchi, Akira Deguchi
  • Publication number: 20220017762
    Abstract: Provided are an ink jet ink for forming an infrared absorbing image and applications thereof, the ink jet ink including an infrared absorbing material represented by Formula (1), resin particles, a water-soluble organic solvent, a water-soluble organic compound X1, a surfactant, and water. M+ represents a proton, a monovalent alkali metal cation, or an organic cation, L1 represents a methine chain consisting of 5 or 7 methine groups, a methine group at a center of the methine chain has a substituent, R1 to R4 each independently represent a hydrogen atom or a substituent, and X represents O, S, or Se.
    Type: Application
    Filed: September 27, 2021
    Publication date: January 20, 2022
    Inventors: Misato SASADA, Akihiro HARA, Daisuke SASAKI
  • Patent number: 11227115
    Abstract: The present disclosure can provide an information processing apparatus capable of increasing the amount of information that can be displayed. The information processing apparatus according to an aspect of the present disclosure includes: a morpheme analysis unit that analyzes a morpheme group included in a document; an importance degree calculation unit that calculates a degree of importance of the morpheme group; and a display period determination unit that determines, based on the degree of importance of the morpheme group, a display period of the morpheme group when the morpheme group is displayed on a display unit.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: January 18, 2022
    Assignee: NEC Corporation
    Inventor: Akihiro Hara
  • Publication number: 20210273249
    Abstract: A cell according to the present disclosure includes: a first electrode layer; a solid electrolyte layer on the first electrode layer, the solid electrolyte layer containing Zr; a middle layer on the solid electrolyte layer, the middle layer containing CeO2 which contains Ce and a rare earth element other than Ce; a second electrode layer on the middle layer; and a boundary region between the solid electrolyte layer and the middle layer, the boundary region including a basing point at which a molarity of Ce and a molarity of Zr are equal. An average molarity of the Ce within a range from the basing point up to 3 ?m toward the solid electrolyte layer is equal to or less than 10 mol % with respect to a total of Ce, Zr, and other rare earth elements, an average molarity of Zr within the range is equal to or more than 70 mol % with respect to a total of Ce, Zr, and other rare earth elements, or a molarity ratio of Ce with respect to Zr within the range is equal to or less than 0.143.
    Type: Application
    Filed: June 17, 2019
    Publication date: September 2, 2021
    Inventors: Tetsuro FUJIMOTO, Makoto KOI, Akihiro HARA, Masahiko HIGASHI
  • Publication number: 20210165961
    Abstract: The present disclosure can provide an information processing apparatus capable of increasing the amount of information that can be displayed. The information processing apparatus according to an aspect of the present disclosure includes: a morpheme analysis unit that analyzes a morpheme group included in a document; an importance degree calculation unit that calculates a degree of importance of the morpheme group; and a display period determination unit that determines, based on the degree of importance of the morpheme group, a display period of the morpheme group when the morpheme group is displayed on a display unit.
    Type: Application
    Filed: November 23, 2020
    Publication date: June 3, 2021
    Applicant: NEC Corporation
    Inventor: Akihiro HARA