Patents by Inventor Keiichi Ito

Keiichi 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).

  • Publication number: 20260135446
    Abstract: A layered body manufacturing apparatus, including: a supply mechanism that supplies sheet-shaped metal pieces, including a sheet-shaped metal piece having a part of at least one surface to which an adhesive is applied; and an annular squeezer having a conveyance passage in which the metal pieces supplied from the supply mechanism are sequentially layered and conveyed. The squeezer includes: a first side pressure application region that is positioned at an end portion at a side upstream in a conveying direction of the metal pieces and that pressurizes and supports at least a part of a side surface of each of the metal pieces supplied from the supply mechanism, a second side pressure application region that is positioned at an end portion at a side downstream in the conveying direction and that pressurizes and supports the at least a part of a side surface of each of the metal pieces.
    Type: Application
    Filed: October 11, 2023
    Publication date: May 14, 2026
    Inventors: Keiichi ITO, Yohei KAMEDA, Koji WATANABE
  • Patent number: 12595386
    Abstract: Provided is an aqueous ink for ink jet containing coloring material-particle and resin particle. The resin particle is formed from a crystalline polyester resin having carboxylic acid groups. A difference between a 50% cumulative particle diameter (D50C) in a volume-based particle size distribution of the coloring material-particle and a 50% cumulative particle diameter (D50R) in a volume-based particle size distribution of the resin particle (D50C?D50R) is 10 nm or more. In addition, an ink cartridge and an ink jet recording method using this aqueous ink are provided.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: April 7, 2026
    Assignee: Canon Kabushiki Kaisha
    Inventors: Katsuhiro Hayashi, Keiichi Ito, Tsuyoshi Furuse
  • Patent number: 12586831
    Abstract: An electric power demand adjusting device is configured to execute an acquiring process of acquiring an evaluation value ?D for a high-rate deterioration of a secondary battery connected to a power utility grid, which results from a salt concentration unevenness in an electrolyte solution, and a discharge non-participating process of not allowing the secondary battery to participate in adjustment of discharge demand from the power utility grid when the evaluation value ?D of the secondary battery is greater than or equal to a predetermined discharge threshold value K1.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: March 24, 2026
    Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Kohki Nakamura, Keiichi Ito, Kimihiko Furukawa, Shinya Inui, Noriharu Kobayashi, Masaki Yugou
  • Patent number: 12549053
    Abstract: In a stator, one end portion of each coil is disposed on the root side of each tooth, and other end portion of the coil is disposed on the tip end side of the tooth. A first bus bar disposed on one side in the axial direction with respect to a stator core has each of a plurality of first joining portions each extended toward the root side of each tooth and joined to the one end portion of each coil. A second bus bar disposed on one side or the other side in the axial direction with respect to the stator core has each of a plurality of second joining portions each extended toward the tip end side of each tooth and joined to the other end portion of each coil.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: February 10, 2026
    Assignee: NHK Spring Co., Ltd.
    Inventor: Keiichi Ito
  • Patent number: 12531371
    Abstract: An electrical connector includes a base supporting electrical terminals. Guide pins are mounted on the base. Recesses recessed inward of the guide pins are formed in side walls of the guide pins. The base is embedded in the recesses. The guide pins are held on the base by the embedding.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: January 20, 2026
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Takeo Fukuda, Keiichi Ito
  • Patent number: 12522098
    Abstract: A charge and discharge management device disclosed herein includes an acquisition controller configured or programmed to acquire information on a predetermined deterioration acceleration element for on-vehicle batteries from a plurality of electric vehicles connected to an electric power system, an arithmetic controller configured or programmed to arithmetically operate deterioration acceleration element values of the plurality of electric vehicles, based on a predetermined arithmetic operation method, based on the information on the deterioration acceleration element, and a determination controller configured or programmed to control charging the plurality of electric vehicles from the electric power system or discharging the electric power system from the plurality of electric vehicles, based on the deterioration acceleration element values of the plurality of electric vehicles.
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: January 13, 2026
    Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Keiichi Ito, Kohki Nakamura, Kimihiko Furukawa, Shinya Inui, Noriharu Kobayashi, Masaki Yugou
  • Publication number: 20260001262
    Abstract: A stator manufacturing method includes providing a stator assembly including a stator core having coils wound on plural teeth projecting from a yoke and a case surrounding an outer periphery of the stator core, arranging a ring-shaped resin member at least at one end portion in an axial direction of the case such that at least part of the resin member is crushed when pressed by a mold, clamping the stator assembly inside the mold with the resin member arranged at the at least one end portion in a state in which the resin member is pressed, and injecting a molding resin into the mold.
    Type: Application
    Filed: March 7, 2023
    Publication date: January 1, 2026
    Inventors: Naruhiko NISHIWAKI, Keiichi ITO
  • Patent number: 12485794
    Abstract: An in-vehicle battery management device includes a controller configured or programmed to control a charge/discharge device such that the charge/discharge device performs charge or discharge on an in-vehicle battery of an electric vehicle in a predetermined processing condition, the in-vehicle battery being connected to the charge/discharge device. The controller includes a calculator configured or programmed to calculate a degree of deterioration progress of the in-vehicle battery based on charge/discharge information in the charge or discharge; and a communicator configured or programmed to notify a predetermined notification target of the calculated degree of deterioration progress.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: December 2, 2025
    Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Noriharu Kobayashi, Kimihiko Furukawa, Masaki Yugou, Shinya Inui, Kohki Nakamura, Keiichi Ito
  • Patent number: 12486416
    Abstract: An aqueous ink jet ink contains a pigment, a resin and an additive. The resin has a unit containing a carboxylic acid group and a unit containing an aromatic group. The additive is at least one member selected from the group consisting of butanedicarboxylic acid, pentanedicarboxylic acid, pentanetricarboxylic acid, hexanedicarboxylic acid, hexanetricarboxylic acid, heptanetricarboxylic acid, octanetricarboxylic acid and nonanetricarboxylic acid. The content (ppm) of the additive is 180 ppm or more to 1,200 ppm or less with respect to the total mass of the ink.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: December 2, 2025
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Ota, Katsuhiro Hayashi, Tsuyoshi Furuse, Keiichi Ito
  • Patent number: 12476464
    Abstract: An electric power adjusting device is configured to execute a process of acquiring vehicle information of a plurality of electric vehicles connected to a power utility grid, a process of classifying, based on the vehicle information, the electric vehicles into a plurality of groups according to predetermined characteristics, and a process of adjusting a charging and discharging burden on the electric vehicles fir each of the groups when adjusting an electric power demand in the power utility grid.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: November 18, 2025
    Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Kimihiko Furukawa, Noriharu Kobayashi, Masaki Yugou, Kohki Nakamura, Shinya Inui, Keiichi Ito
  • Publication number: 20250233490
    Abstract: An example turbocharger includes a turbine impeller, a rotation shaft fixed to the turbine impeller, a motor having a rotor located on the rotation shaft, and a stator located around the rotor. The stator includes a stator core, an insulator located around the stator core. The insulator includes an element pocket, a coil wound around the insulator. The coil includes a first coil end and a second coil end, and a temperature sensing device configured to detect a temperature of the coil. The temperature sensing device is located in the element pocket and hold by the element pocket.
    Type: Application
    Filed: February 20, 2025
    Publication date: July 17, 2025
    Inventors: Yoshihito KATSU, Shun NAKAYAMA, Yuji SASAKI, Keiichi ITO, Naruhiko NISHIWAKI
  • Publication number: 20250210740
    Abstract: A battery pack has a temperature detection unit that detects the temperature of a battery cell. The temperature detection unit is provided with a first temperature sensor that is attached to a central battery cell disposed at the center in a first direction among a plurality of battery cells, and a second temperature sensor that is attached to an end battery cell disposed at one end in the first direction among the plurality of battery cells. No temperature sensor is attached to an end battery cell disposed at the other end in the first direction among the plurality of battery cells.
    Type: Application
    Filed: March 28, 2023
    Publication date: June 26, 2025
    Inventors: Hiroto Kobayashi, Keiichi Ito, Keita Kondo, Yuya Tabuchi
  • Patent number: 12296712
    Abstract: A charging and discharging control device disclosed herein controls a charging and discharging device that charges and discharges an on-vehicle battery mounted on an electric vehicle. The charging and discharging control device includes a detection controller configured or programmed to detect that the electric vehicle has been connected to the charging and discharging device, an SOC acquisition controller configured or programmed to acquire an SOC of the on-vehicle battery, a use information acquisition controller configured or programmed to acquire a next use time and a next travel distance of the electric vehicle, and a setting controller configured or programmed to set a charging and discharging schedule of the on-vehicle battery such that the on-vehicle battery is charged after having been maintained in a low SOC and a necessary SOC for the next use time and the next travel distance remains.
    Type: Grant
    Filed: September 13, 2022
    Date of Patent: May 13, 2025
    Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Shinya Inui, Masaki Yugou, Kimihiko Furukawa, Noriharu Kobayashi, Kohki Nakamura, Keiichi Ito
  • Publication number: 20250132625
    Abstract: End portions of coils that are wound round teeth of a stator core of a stator are joined to joining portions of busbars that are disposed adjacent to the stator core. The busbars include extending portions that extend in the circumferential direction of the stator core. An insulating resin is molded integrally with the busbars. The extending portions are partially exposed through the insulating resin. These exposed portions of the extending portions are sealed in by a sealing resin that is formed of a resin with higher thermal conductivity than the insulating resin.
    Type: Application
    Filed: December 22, 2022
    Publication date: April 24, 2025
    Inventor: Keiichi ITO
  • Publication number: 20240333068
    Abstract: In a stator, one end portion of each coil is disposed on the root side of each tooth, and other end portion of the coil is disposed on the tip end side of the tooth. A first bus bar disposed on one side in the axial direction with respect to a stator core has each of a plurality of first joining portions each extended toward the root side of each tooth and joined to the one end portion of each coil. A second bus bar disposed on one side or the other side in the axial direction with respect to the stator core has each of a plurality of second joining portions each extended toward the tip end side of each tooth and joined to the other end portion of each coil.
    Type: Application
    Filed: January 11, 2022
    Publication date: October 3, 2024
    Inventor: Keiichi ITO
  • Patent number: 12100852
    Abstract: A battery capable of leading a user to grip a grip part such that the posture of the battery becomes a prescribed posture when the user lifts up the battery. The battery has an approximately rectangular parallelepiped outer shape, and is provided with a third surface, a fourth surface, a fifth surface, and a sixth surface that are approximately orthogonal to a first surface and a second surface respectively at both ends in a longitudinal direction. A handle has a first portion provided near the third surface side to extend from the fifth surface side to the sixth surface side, and a second portion provided to extend from the third surface side toe the fourth surface side.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: September 24, 2024
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Daijiro Takizawa, Keiichi Ito, Nobuo Shigemizu
  • Publication number: 20240234919
    Abstract: A capacitor 1 which is provided so as to be installable in a first loading part C of a first electrical power device and a second loading part S103 of a second electrical power device S is configured to have an external shape such that a first abutment part which, upon loading of the capacitor into the first loading part, comes into abutment with the first loading part C differs from a second abutment part 26 which, upon loading of the capacitor into the second loading part S103, comes into abutment with the second loading part S103.
    Type: Application
    Filed: February 25, 2022
    Publication date: July 11, 2024
    Inventors: Daisuke MISU, Keiichi ITO, Yuya TABUCHI, Takashi MATSUMOTO, Kosuke YONETA
  • Publication number: 20240234922
    Abstract: A battery pack includes a core pack. The core pack includes a cell holder in which cells are held. The core pack is accommodated in a casing 18. A projection is provided on an inner wall of the casing, and projects towards an outer wall of the cell holder. The projection abuts the core pack.
    Type: Application
    Filed: February 21, 2022
    Publication date: July 11, 2024
    Inventors: Yuya Tabuchi, Keiichi Ito
  • Publication number: 20240136640
    Abstract: A capacitor 1 which is provided so as to be installable in a first loading part C of a first electrical power device and a second loading part S103 of a second electrical power device S is configured to have an external shape such that a first abutment part which, upon loading of the capacitor into the first loading part, comes into abutment with the first loading part C differs from a second abutment part 26 which, upon loading of the capacitor into the second loading part S103, comes into abutment with the second loading part S103.
    Type: Application
    Filed: February 25, 2022
    Publication date: April 25, 2024
    Inventors: Daisuke MISU, Keiichi ITO, Yuya TABUCHI, Takashi MATSUMOTO, Kosuke YONETA
  • Publication number: 20240136643
    Abstract: A battery pack includes a core pack. The core pack includes a cell holder in which cells are held. The core pack is accommodated in a casing 18. A projection is provided on an inner wall of the casing, and projects towards an outer wall of the cell holder. The projection abuts the core pack.
    Type: Application
    Filed: February 21, 2022
    Publication date: April 25, 2024
    Inventors: Yuya Tabuchi, Keiichi Ito