Patents by Inventor Yuto Ito

Yuto Ito 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: 11411193
    Abstract: An organic light emitting element includes, in sequence, an anode, a first light emitting layer, a second light emitting layer, and a cathode. The first light emitting layer includes a first compound and a first light emitting material. The second light emitting layer includes a second compound and a second light emitting material having an energy gap different from an energy gap of the first light emitting material. The organic light emitting element satisfies relations (a) to (c). LUMO(H1)>LUMO(D1)??(a) LUMO(H2)>LUMO(D2)??(b) LUMO(H2)?LUMO(D2)>LUMO(H1)?LUMO(D1)??(c) Where LUMO (H1), LUMO (D1), LUMO (H2), and LUMO (D2) represent a LUMO level of the first compound, a LUMO level of the first light emitting material, a LUMO level of the second compound, and a LUMO level of the second light emitting material, respectively.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: August 9, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hirokazu Miyashita, Itaru Takaya, Naoki Yamada, Isao Kawata, Yuto Ito, Jun Kamatani
  • Publication number: 20220243823
    Abstract: A sealing device seals a gap between a housing and a rotating body disposed in a hole of the housing and separates an internal space of the housing from an atmosphere side. The sealing device includes a stationary sealing member and a rotational sealing member. The rotational sealing member includes a hollow cylindrical portion into which a cylindrical portion of the rotating body is to be interference fitted, and a flange portion disposed closer to an internal space side than the hollow cylindrical portion. The stationary sealing member includes a mounted hollow cylindrical portion that is to be mounted to the housing, and a seal lip being to be brought into slidable contact with an outer peripheral surface of the hollow cylindrical portion of the rotational sealing member. The rotational sealing member further includes an auxiliary lip mounted to the flange portion, the auxiliary lip being to be brought into slidable contact with an inner peripheral surface of the mounted hollow cylindrical portion.
    Type: Application
    Filed: October 17, 2019
    Publication date: August 4, 2022
    Inventors: Hiroki MATSUI, Kenichi KIKUCHI, Yuto MANAKA, Saki ITO
  • Patent number: 11319483
    Abstract: An organic compound represented by the following general formula is provided. In the above formula (1), R11 to R15 each independently represent a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an aralkyl group, an acyl group, or a halogen atom provided that at least one of R11, R13, and R15 represents the alkoxy group or the aryloxy group; and R11 to R15 may form a ring structure therebetween. R5 and R6 each independently represent an alkyl group, an aryl group, or an aralkyl group. In addition, R21 to R24 each independently represent a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an aralkyl group, an acyl group, or a halogen atom and may form a ring structure therebetween. The above groups except the acyl group may be substituted when necessary.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: May 3, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Yamada, Satoshi Igawa, Wataru Kubo, Yuto Ito, Isao Kawata
  • Publication number: 20220085589
    Abstract: A waterproof construction of a three-phase line part includes a three-phase line part having three bus bar construction bodies, a first terminal block provided on one end side of the three-phase line part, a second terminal block provided on the other end side of the three-phase line part, and a tubular exterior member that covers a middle portion of the three-phase line part. One end of the tubular exterior member is water-tightly fixed to a first housing of the first terminal block, and the other end thereof is water-tightly fixed to a second housing of the second terminal block, in a state that the tubular exterior member covers the three-phase line part.
    Type: Application
    Filed: September 14, 2021
    Publication date: March 17, 2022
    Inventors: Yuto Ito, Keisuke Sasaki
  • Publication number: 20210319371
    Abstract: A method includes: obtaining, with respect to a route optimization problem that packages are delivered to or from a plurality of nodes by using a plurality of mobile bodies, node information that specifies each node included in the plurality of nodes, demand amount information that indicates a demand amount of each of the plurality of nodes, and mobile body information that indicates a maximum load capacity of each of the plurality of mobile bodies; executing a generation process to specify a node group, among the plurality of nodes, to which the packages are delivered and that satisfies a condition of the maximum load capacity for each of the plurality of mobile bodies and generate a plurality of routes that defines a delivery order of each node included in the node group; and executing a calculation process to execute processing for solving the route optimization problem using the plurality of routes.
    Type: Application
    Filed: February 2, 2021
    Publication date: October 14, 2021
    Applicant: FUJITSU LIMITED
    Inventor: Yuto ITO
  • Patent number: 11128791
    Abstract: Provided is a photoelectric conversion element including an anode, a photoelectric conversion layer that contains a first organic semiconductor, a second organic semiconductor, and a third organic semiconductor, and a cathode. As each of the first organic semiconductor, the second organic semiconductor, and the third organic semiconductor, a low-molecular weight organic semiconductor is used. The first organic semiconductor, the second organic semiconductor, and the third organic semiconductor have mass ratios that satisfy the following relationship: the first organic semiconductor?the second organic semiconductor?the third organic semiconductor. Further, when a total amount of the first organic semiconductor, the second organic semiconductor, and the third organic semiconductor is 100 mass %, a content of the second organic semiconductor is 6 mass % or more, and a content of the third organic semiconductor is 3 mass % or more.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: September 21, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tetsuo Takahashi, Satoru Shiobara, Jun Kamatani, Naoki Yamada, Tomona Yamaguchi, Hiroki Ohrui, Hironobu Iwawaki, Masumi Itabashi, Yosuke Nishide, Hirokazu Miyashita, Norifumi Kajimoto, Moe Takahira, Isao Kawata, Yuto Ito
  • Publication number: 20210285778
    Abstract: An information processing apparatus includes a processor. The processor configured to generate a plurality of routes satisfying a first condition among a plurality of conditions included in a vehicle routing problem The processor, when a total cost for each route satisfying a second condition among the plurality of conditions is calculated from the plurality of routes, performs narrowing-down on the plurality of routes based on the total cost and a value that is set for the route, the value indicating whether or not the route satisfies the second condition and being set to a real number which is equal to or greater than 0 and equal to or smaller than 1 by linear relaxation. The processor calculates a route satisfying the first condition and the second condition based on information on the plurality of routes narrowed down.
    Type: Application
    Filed: January 21, 2021
    Publication date: September 16, 2021
    Applicant: FUJITSU LIMITED
    Inventor: Yuto ITO
  • Publication number: 20210070677
    Abstract: An organic compound represented by formula [1] is provided. Ring A is a polycyclic aromatic hydrocarbon ring having a fluoranthene skeleton and having 16 to 60 carbon atoms and optionally has, as a substituent, a substituted or unsubstituted alkyl group or the like. Rings B1 and B2 are aromatic hydrocarbon rings having 6 to 18 carbon atoms and each have two or more electron withdrawing groups. Q1 and Q2 respectively represent one of the electron withdrawing groups of the ring B1 and one of the electron withdrawing groups of the ring B2, and are respectively located at an ortho position of the ring B1 and at an ortho position of the ring B2 with respect to the ring A.
    Type: Application
    Filed: September 2, 2020
    Publication date: March 11, 2021
    Inventors: Hirokazu Miyashita, Naoki Yamada, Satoru Shiobara, Isao Kawata, Yuto Ito, Jun Kamatani
  • Patent number: 10916360
    Abstract: There is provided a method for manufacturing an electrical wire. The electrical wire includes a rod-like conductor having a shape corresponding to a predetermined wiring route and also having rigidity to enable the rod-like conductor to maintain the shape, and an insulation sheath covering the rod-like conductor. The method includes: preparing a plurality of rod-like preliminary conductors having the rigidity so as to correspond to a plurality of sub routes into which the wiring route is divided; processing at least one of the plurality of preliminary conductors into a shape conforming to the corresponding sub routes; connecting the plurality of preliminary conductors together to form the rod-like conductor; and forming the insulation sheath to cover the rod-like conductor.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: February 9, 2021
    Assignee: Yazaki Corporation
    Inventors: Yuto Ito, Yoshio Shionome, Takashi Oguri, Jin Omori
  • Publication number: 20210036232
    Abstract: An organic compound represented by formula [1]: wherein in formula [1], R1 to R10 are each independently selected from the group consisting of a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, a heterocyclic group, and an amino group, provided that at least one of R6 and R9 is a methyl group, and sets of R1 and R2, R2 and R3, and R3 and R4 are each independently optionally taken together to form a ring.
    Type: Application
    Filed: July 29, 2020
    Publication date: February 4, 2021
    Inventors: Satoru Shiobara, Naoki Yamada, Hirokazu Miyashita, Yuto Ito, Isao Kawata, Jun Kamatani
  • Publication number: 20200403173
    Abstract: An organic light emitting element includes, in sequence, an anode, a first light emitting layer, a second light emitting layer, and a cathode. The first light emitting layer includes a first compound and a first light emitting material. The second light emitting layer includes a second compound and a second light emitting material having an energy gap different from an energy gap of the first light emitting material. The organic light emitting element satisfies relations (a) to (c). LUMO(H1)>LUMO(D1)??(a) LUMO(H2)>LUMO(D2)??(b) LUMO(H2)?LUMO(D2)>LUMO(H1)?LUMO(D1)??(c) Where LUMO (H1), LUMO (D1), LUMO (H2), and LUMO (D2) represent a LUMO level of the first compound, a LUMO level of the first light emitting material, a LUMO level of the second compound, and a LUMO level of the second light emitting material, respectively.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 24, 2020
    Inventors: Hirokazu Miyashita, Itaru Takaya, Naoki Yamada, Isao Kawata, Yuto Ito, Jun Kamatani
  • Patent number: 10868415
    Abstract: An exterior member of an electrical wire includes a first tubular body and a second tubular body. The first tubular body includes a hollow portion through which the electrical wire is inserted, an opening portion from which the electrical wire is drawn out, and a vent portion which is impermeable to moisture and permeable to air. The second tubular body is provided to extend from the first tubular body and to cover an outer periphery of the electrical wire drawn from the opening portion, and is made of a material more flexible than a material of the first tubular body.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: December 15, 2020
    Assignee: Yazaki Corporation
    Inventors: Yuto Ito, Yohei Koseki
  • Patent number: 10761442
    Abstract: Provided are an electrophotographic photosensitive member including a support and a photosensitive layer above the support, in which a surface layer of the electrophotographic photosensitive member includes a polymerization product of a composition containing a specific hole transporting compound, and an electrophotographic apparatus and a process cartridge including the electrophotographic photosensitive member. Also provided is a method of producing the electrophotographic photosensitive member, including (i) forming a coating film of a coating solution for a surface layer which is a composition containing a specific hole transporting compound, and (ii) forming the surface layer of the electrophotographic photosensitive member by a polymerization reaction of the composition containing the specific hole transporting compound.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: September 1, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Koichi Nakata, Haruki Mori, Shubun Kujirai, Shinji Takagi, Isao Kawata, Yuto Ito, Ryuji Higashi
  • Publication number: 20200241377
    Abstract: As an example of an EC element in which vertical color separation is suppressed, the present disclosure provides an EC element including a pair of electrodes, a solvent, an anodic EC compound, and a cathodic EC compound. In the EC element, the difference between a solvation free energy of an oxidized form of the anodic EC compound in water and a solvation free energy of the oxidized form in octanol is 35 kcal/mol or more, and the cathodic EC compound has a substituent containing any one element selected from halogens, sulfur, boron, phosphorus, and silicon.
    Type: Application
    Filed: April 6, 2020
    Publication date: July 30, 2020
    Inventors: Wataru Kubo, Kenji Yamada, Satoshi Igawa, Yuto Ito, Isao Kawata
  • Publication number: 20200233277
    Abstract: As an example of an EC element in which vertical color separation is suppressed, the present disclosure provides an EC element including a pair of electrodes, a solvent, an anodic EC compound, and a cathodic EC compound. In the EC element, the difference between a solvation free energy of an oxidized form of the anodic EC compound in water and a solvation free energy of the oxidized form in octanol is 35 kcal/mol or more, and the difference between a solvation free energy of a reduced form of the cathodic EC compound in propylene carbonate and a solvation free energy of the reduced form in octanol is ?35 kcal/mol or less.
    Type: Application
    Filed: April 6, 2020
    Publication date: July 23, 2020
    Inventors: Wataru Kubo, Kenji Yamada, Satoshi Igawa, Yuto Ito, Isao Kawata
  • Patent number: 10670979
    Abstract: An electrophotographic photosensitive member has a surface layer that contains a polymer of a hole transport material having at least one monovalent polymerizable functional group.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: June 2, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Koichi Nakata, Haruki Mori, Shinji Takagi, Koichi Suzuki, Ryuji Higashi, Isao Kawata, Hajime Muta, Yuto Ito, Masaki Nonaka
  • Publication number: 20190391504
    Abstract: Provided are an electrophotographic photosensitive member including a support and a photosensitive layer above the support, in which a surface layer of the electrophotographic photosensitive member includes a polymerization product of a composition containing a specific hole transporting compound, and an electrophotographic apparatus and a process cartridge including the electrophotographic photosensitive member. Also provided is a method of producing the electrophotographic photosensitive member, including (i) forming a coating film of a coating solution for a surface layer which is a composition containing a specific hole transporting compound, and (ii) forming the surface layer of the electrophotographic photosensitive member by a polymerization reaction of the composition containing the specific hole transporting compound.
    Type: Application
    Filed: June 4, 2019
    Publication date: December 26, 2019
    Inventors: Koichi Nakata, Haruki Mori, Shubun Kujirai, Shinji Takagi, Isao Kawata, Yuto Ito, Ryuji Higashi
  • Publication number: 20190364191
    Abstract: Provided is a photoelectric conversion element including an anode, a photoelectric conversion layer that contains a first organic semiconductor, a second organic semiconductor, and a third organic semiconductor, and a cathode. As each of the first organic semiconductor, the second organic semiconductor, and the third organic semiconductor, a low-molecular weight organic semiconductor is used. The first organic semiconductor, the second organic semiconductor, and the third organic semiconductor have mass ratios that satisfy the following relationship: the first organic semiconductor?the second organic semiconductor?the third organic semiconductor. Further, when a total amount of the first organic semiconductor, the second organic semiconductor, and the third organic semiconductor is 100 mass %, a content of the second organic semiconductor is 6 mass % or more, and a content of the third organic semiconductor is 3 mass % or more.
    Type: Application
    Filed: July 26, 2019
    Publication date: November 28, 2019
    Inventors: Tetsuo Takahashi, Satoru Shiobara, Jun Kamatani, Naoki Yamada, Tomona Yamaguchi, Hiroki Ohrui, Hironobu Iwawaki, Masumi Itabashi, Yosuke Nishide, Hirokazu Miyashita, Norifumi Kajimoto, Moe Takahira, Isao Kawata, Yuto Ito
  • Publication number: 20190279790
    Abstract: There is provided a method for manufacturing an electrical wire. The electrical wire includes a rod-like conductor having a shape corresponding to a predetermined wiring route and also having rigidity to enable the rod-like conductor to hold the shape by itself, and an insulation sheath covering the rod-like conductor. The method includes: preparing a plurality of rod-like preliminary conductors having the rigidity so as to correspond to a plurality of sub routes into which the wiring route is divided; processing at least one of the plurality of preliminary conductors into a shape conforming to the corresponding sub routes; connecting the plurality of preliminary conductors to form the rod-like conductor; and forming the insulation sheath to cover the rod-like conductor.
    Type: Application
    Filed: March 5, 2019
    Publication date: September 12, 2019
    Applicant: Yazaki Corporation
    Inventors: Yuto Ito, Yoshio Shionome, Takashi Oguri, Jin Omori
  • Patent number: 10401746
    Abstract: An electrophotographic photosensitive member includes a support member, a charge generating layer containing a phthalocyanine pigment as a charge generating material, a charge transport layer containing a charge transporting material in this order. The charge generating layer has a thickness of less than 200 nm, and the phthalocyanine pigment includes phthalocyanine crystalline particles having a particle size distribution and satisfies a requirement that the volume average of the products of ?i and ?i is 0.31 or more.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: September 3, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kaname Watariguchi, Shoma Hinata, Kazuko Araki, Tsutomu Nishida, Jumpei Kuno, Masataka Kawahara, Yuto Ito, Isao Kawata