Patents by Inventor Kenji Arai

Kenji Arai 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: 12222588
    Abstract: An object of the present invention is to provide a new nanogranular structure material having magneto-optical properties different from those of existing nanogranular structure materials, and a method for producing the same. The nanogranular structure material has a composition represented by L-M-F—O wherein L is at least one element selected from the group consisting of Fe, Co, and Ni, and M is at least one element selected from the group consisting of Li, Be, Mg, Al, Si, Ca, Sr, Ba, Bi, and rare earth elements, F is fluorine, and O is oxygen. The nanogranular structure material according to the present invention is composed of a matrix formed of a fluorine compound having a composition represented by M-F and metal oxide nanoparticles dispersed in the matrix and having a composition represented by L-O.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: February 11, 2025
    Assignee: Research Institute for Electromagnetic Materials
    Inventors: Nobukiyo Kobayashi, Tadayoshi Iwasa, Kenji Ikeda, Kenichi Arai
  • Patent number: 12214607
    Abstract: Provided is an image recording method including applying a pretreatment liquid containing water and a resin X and an ink containing water and a colorant onto a resin base material A which has a specific distortion rate and to which a tension is applied, to obtain an image, heating the image to a temperature Td and drying the image, and cooling the image to a temperature Tr, in which ?total calculated by Equation (1) is 40 kgf/cm2 or less. E(Td) represents an elastic modulus of the resin X at the temperature Td, ?(Td) represents an expansion coefficient of the resin base material A under specific conditions, E(T) represents an elastic modulus of the resin X at a temperature T of the image in the cooling, ?r(T) represents a linear expansion coefficient of the resin X at the temperature T, and ?s(T) represents a linear expansion coefficient of the resin base material A under specific conditions.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: February 4, 2025
    Assignee: FUJIFILM Corporation
    Inventors: Takeshi Miyato, Michio Arai, Yusuke Fujii, Kenji Shirokane
  • Publication number: 20250026676
    Abstract: A chemically strengthened glass sheet in which a value of SB/(SA×t) is 5.0 mm?1 or more, where SA (MPa·?m) is an integrated value of a 5 compressive stress from a surface of the glass sheet to a depth of 10 ?m, SB (MPa·?m) is an integrated value of a compressive stress from the depth of 10 ?m to DOL which is a depth at which the compressive stress is zero, and t (mm) is a thickness of the glass sheet.
    Type: Application
    Filed: October 1, 2024
    Publication date: January 23, 2025
    Applicant: AGC Inc.
    Inventors: Takumi UMADA, Kenji IMAKITA, Yusuke ARAI, Qing LI
  • Publication number: 20240413324
    Abstract: A lithium ion battery having excellent discharge characteristics even at a temperature below freezing is provided. The lithium ion battery includes a positive electrode containing a positive electrode active material, an electrolyte solution, and a negative electrode containing a negative electrode active material that is a carbon material; the carbon material has peaks at 2? of greater than or equal to 20° and less than or equal to 24°, 2? of greater than or equal to 42° and less than or equal to 46.5°, and 2? of greater than or equal to 78° and less than or equal to 82° in X-ray diffraction (XRD) analysis; and a value of the discharge capacity obtained by subjecting the lithium ion battery to constant current and constant voltage charging (0.1 C, 4.5 V, and a termination current of 0.01 C) at 25° C. and then discharging at ?40° C. is higher than or equal to 40% of a value of the discharge capacity in discharging at 25° C.
    Type: Application
    Filed: October 14, 2022
    Publication date: December 12, 2024
    Inventors: Seiya SAITO, Tetsuya KAKEHATA, Kazutaka KURIKI, Taisuke NAKAO, Kenji ARAI
  • Patent number: 12047436
    Abstract: A setting apparatus for setting a communication apparatus, the setting apparatus includes a memory and a processor configured to acquire auxiliary information from a management apparatus configured to execute processing for accessing a cloud, and transmit setting information including the auxiliary information to the communication apparatus. The auxiliary information is set to an IoT edge execution environment established in the communication apparatus.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: July 23, 2024
    Assignee: NTT COMMUNICATIONS CORPORATION
    Inventors: Wenyu Shen, Takeo Saga, Kenji Arai, Ryu Kanishima
  • Patent number: 11953084
    Abstract: A drive device protection structure has a rotary electric machine, a gearbox connected the rotary electric machine, an undercover disposed underneath the drive device and a protecting plate provided to the undercover. The rotary electric machine has a rotary electric machine housing that has a rotary electric machine flange. The gearbox has a gearbox housing that has a gearbox flange. The rotary electric machine flange and the gearbox flange are connected together. The rotary electric machine flange and the gearbox flange are formed such that a lower surface of the gearbox flange is positioned lower than a lower surface of the rotary electric machine flange. The protecting plate is formed of a material more rigid than a material of the undercover. The protecting plate is provided beneath connecting part between the rotary electric machine flange and the gearbox flange so as to face the connecting part.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: April 9, 2024
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Jaehak Lee, Yuta Katsushima, Kenji Arai, Daisuke Asakura, Harunobu Abe, Kohei Yamada, Norihisa Tsujimura, Yasuaki Nakamura, Toshimitsu Kakizaki, Kazuhiro Maguchi, Kentarou Kurata
  • Tag
    Patent number: 11934901
    Abstract: A tag indicating an attribute of the tag by an electromagnetic wave reflection characteristic, the tag including a substrate (11), and a conductor pattern layer (12) formed on the substrate (11) and having first and second slots (13a) and (13b) disposed adjacent to each other, in which the first slot (13a) constitutes a first resonance element (13Qa) having a resonance frequency at a first frequency, the second slot (13b) constitutes a second resonance element (13Qb) having a resonance frequency at a second frequency higher than the first frequency, and when irradiation with the electromagnetic waves is performed, a Q value of a resonance peak appearing at the first frequency is higher than a Q value of a resonance peak appearing at the first frequency when the first slot (13a) alone constitutes a resonance structure of the tag.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: March 19, 2024
    Assignee: Konica Minolta, Inc.
    Inventors: Takumi Ishiwata, Nobuaki Takahashi, Kenji Arai, Takeshi Hakii
  • Patent number: 11873780
    Abstract: Provided is a combined oil ring that can provide reduction in oil consumption of the engine oil without degrading the oil sealing performance between the lower surface of the side rail and the lower surface of the oil ring groove even when the tension of the combined oil ring is reduced.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: January 16, 2024
    Assignee: NIPPON PISTON RING CO., LTD.
    Inventors: Masahiro Uchiumi, Kenji Arai, Kazuhiro Sameshima, Makoto Kajiwara, Hajime Ando
  • Publication number: 20240006599
    Abstract: A novel secondary battery that is highly convenient, useful, or reliable can be provided. The secondary battery includes a positive electrode active material layer, a negative electrode active material layer, and a separator. The separator is interposed between the positive electrode active material layer and the negative electrode active material layer. The negative electrode active material layer includes silicon particles and a binder. The weight ratio of the binder to the silicon particles is greater than or equal to 0.05 and less than or equal to 10. The binder has a carboxy group. The bulk specific gravity of the silicon particles is greater than or equal to 0.02 g/cm3 and less than or equal to 0.5 g/cm3.
    Type: Application
    Filed: June 27, 2023
    Publication date: January 4, 2024
    Inventors: Kenji ARAI, Taisuke NAKAO
  • Publication number: 20230411619
    Abstract: A negative electrode active material, a negative electrode active material layer, and a secondary battery including them, or a formation method thereof are provided. In one embodiment of the present invention, carbon particles and a silicon-based material are mixed and used as a negative electrode active material. A polymer including a polar substituent such as a carboxy group is used as a binder. Specifically, as the binder for the carbon particles and the silicon-based material, a polymer containing glutamic acid is used. As the silicon-based material, nanosilicon particles each having a particle diameter less than 1 ?m is used.
    Type: Application
    Filed: June 9, 2023
    Publication date: December 21, 2023
    Inventors: Masayuki KIMURA, Kenji ARAI, Taisuke NAKAO, Kazutaka KURIKI
  • Patent number: 11689458
    Abstract: A control device is connected to a plurality of networks, dispatches a packet received from a user terminal to a network among the plurality of networks, and includes a memory and a processor configured to execute receiving a DNS query packet transmitted from the user terminal, and based on a query target of the DNS query packet, dispatching the DNS query packet to a network among the plurality of networks; and receiving a packet, determining a destination of the packet based on a destination address of the packet, and transmitting the packet to the determined destination.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: June 27, 2023
    Assignee: NTT Communications Corporation
    Inventors: Wenyu Shen, Kenji Arai, Ryu Kanishima, Takeo Saga
  • Patent number: 11568684
    Abstract: The invention provides a control unit and a control system for a vehicle capable of reducing a workload of deleting a record of information of an unintended event detected by a certain control unit by preventing the other control unit from recording the information of the event. Control units (50a to 50d) that are mounted on the vehicle and connected in a mutually communicable manner each include an event processing section (55). The event processing section (55) executes one or both of processing to switch whether to notify a recording request of the information of the event and processing to switch necessity/unnecessity of recording of the information of the event.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: January 31, 2023
    Assignee: Robert Bosch GmbH
    Inventors: Toshihiro Saito, Kenji Arai, Yuki Shimoya
  • Patent number: 11476544
    Abstract: An adhesive composition for an electrical storage device contains a polymer A and a solvent. The polymer A includes a nitrile group-containing monomer unit in a proportion of more than 50.0 mass % and not more than 90.0 mass %, and also includes an alicyclic (meth)acrylic acid ester monomer unit.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: October 18, 2022
    Assignee: ZEON CORPORATION
    Inventor: Kenji Arai
  • Publication number: 20220312211
    Abstract: A verification system verifies a signal processor unit and a radio unit. The verification system includes a pseudo radio unit and a pseudo signal processor unit. The pseudo radio unit includes a first processor that executes a connection sequence with the signal processor unit, acquires a first sequence log indicating an execution result of a connection sequence between the pseudo signal processor unit and the radio unit, and executes a connection sequence with the signal processor unit based on the first sequence log. The pseudo signal processor unit includes a second processor that executes a connection sequence with the radio unit, acquires a second sequence log indicating an execution result of a connection sequence between the pseudo radio unit and the signal processor unit, and executes a connection sequence with the radio unit based on the second sequence log.
    Type: Application
    Filed: November 23, 2021
    Publication date: September 29, 2022
    Applicant: FUJITSU LIMITED
    Inventor: Kenji ARAI
  • Patent number: 11453808
    Abstract: An adhesive composition for an electrical storage device contains a polymer A and a solvent. The polymer A includes an alicyclic (meth)acrylic acid ester monomer unit in a proportion of not less than 50.0 mass % and not more than 90.0 mass %, and also includes a nitrile group-containing monomer unit.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: September 27, 2022
    Assignee: ZEON CORPORATION
    Inventor: Kenji Arai
  • TAG
    Publication number: 20220284256
    Abstract: A tag indicating an attribute of the tag by an electromagnetic wave reflection characteristic, the tag including a substrate (11), and a conductor pattern layer (12) formed on the substrate (11) and having first and second slots (13a) and (13b) disposed adjacent to each other, in which the first slot (13a) constitutes a first resonance element (13Qa) having a resonance frequency at a first frequency, the second slot (13b) constitutes a second resonance element (13Qb) having a resonance frequency at a second frequency higher than the first frequency, and when irradiation with the electromagnetic waves is performed, a Q value of a resonance peak appearing at the first frequency is higher than a Q value of a resonance peak appearing at the first frequency when the first slot (13a) alone constitutes a resonance structure of the tag.
    Type: Application
    Filed: August 21, 2020
    Publication date: September 8, 2022
    Inventors: TAKUMI ISHIWATA, NOBUAKI TAKAHASHI, KENJI ARAI, TAKESHI HAKII
  • Publication number: 20220260149
    Abstract: A drive device protection structure has a rotary electric machine, a gearbox connected the rotary electric machine, an undercover disposed underneath the drive device and a protecting plate provided to the undercover. The rotary electric machine has a rotary electric machine housing that has a rotary electric machine flange. The gearbox has a gearbox housing that has a gearbox flange. The rotary electric machine flange and the gearbox flange are connected together. The rotary electric machine flange and the gearbox flange are formed such that a lower surface of the gearbox flange is positioned lower than a lower surface of the rotary electric machine flange. The protecting plate is formed of a material more rigid than a material of the undercover. The protecting plate is provided beneath connecting part between the rotary electric machine flange and the gearbox flange so as to face the connecting part.
    Type: Application
    Filed: June 9, 2020
    Publication date: August 18, 2022
    Inventors: Jaehak LEE, Yuta KATSUSHIMA, Kenji ARAI, Daisuke ASAKURA, Harunobu ABE, Kohei YAMADA, Norihisa TSUJIMURA, Yasuaki NAKAMURA, Toshimitsu KAKIZAKI, Kazuhiro MAGUCHI, Kentarou KURATA
  • Patent number: 11362334
    Abstract: Provided is a binder composition for an electrical storage device that can both ensure stability of a slurry composition and enhance peel strength of an electrode and rate characteristics of an electrical storage device. The binder composition contains a particulate polymer. The particulate polymer includes a cyano group-containing monomer unit in a proportion of not less than 5 mass % and not more than 45 mass % and includes an amide group-containing monomer unit in a proportion of not less than 0.3 mass % and not more than 10 mass %. Moreover, the particulate polymer has a core-shell structure including a core portion and a shell portion at least partially covering an outer surface of the core portion, and has at least one glass-transition temperature at 10° C. or lower.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: June 14, 2022
    Assignee: ZEON CORPORATION
    Inventor: Kenji Arai
  • Publication number: 20220158868
    Abstract: A setting apparatus for setting a communication apparatus includes a memory and a processor configured to create a tunnel between the communication apparatus and the setting apparatus and transmit setting information to the communication apparatus via the tunnel. An IoT edge execution environment is established based on the setting information in the communication apparatus.
    Type: Application
    Filed: February 7, 2022
    Publication date: May 19, 2022
    Inventors: Wenyu SHEN, Takeo SAGA, Kenji ARAI, Ryu KANISHIMA
  • Publication number: 20220159062
    Abstract: A setting apparatus for setting a communication apparatus, the setting apparatus includes a memory and a processor configured to acquire auxiliary information from a management apparatus configured to execute processing for accessing a cloud, and transmit setting information including the auxiliary information to the communication apparatus. The auxiliary information is set to an IoT edge execution environment established in the communication apparatus.
    Type: Application
    Filed: February 7, 2022
    Publication date: May 19, 2022
    Inventors: Wenyu Shen, Takeo Saga, Kenji Arai, Ryu Kanishima