Patents by Inventor Takuya Kodama

Takuya Kodama 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: 20240120142
    Abstract: The electronic component includes an element body, an internal conductor, a cover layer, and a conductor layer. The internal conductor is disposed in the element body. The cover layer is disposed on an outer surface of the element body and has an electrical insulation property. The conductor layer is disposed on the cover layer and is electrically connected to the internal conductor. The conductor layer includes a portion. The portion protrudes toward the element body through the cover layer and is physically and electrically connected to the internal conductor. The conductor layer is electrically connected to the internal conductor.
    Type: Application
    Filed: October 4, 2023
    Publication date: April 11, 2024
    Applicant: TDK CORPORATION
    Inventors: Yoji TOZAWA, Masashi SHIMOYASU, Akihiko OIDE, Daiki KATO, Makoto YOSHINO, Takashi ENDO, Takuya KODAMA, Akira AKASAKA, Ken ITOH
  • Patent number: 11713809
    Abstract: A cam guiding device includes a cam guide having a cylindrical portion, a partially cylindrical portion extending from a leading end portion of the cylindrical portion, a partially tapered portion extending from the leading end portion of the cylindrical portion, and a rotation stopper portion provided on the partially cylindrical portion, and a sleeve for accommodating the cam guide. The sleeve includes an arc portion that overlaps the partially cylindrical portion from an outside. A radius of the partially tapered portion increases as the partially tapered portion extends away from the cylindrical portion. The rotation stopper portion is a component that protrudes radially outward from an outer circumferential surface of the partially cylindrical portion. When the rotation stopper portion abuts the sleeve and an inner circumferential surface of the cam guide abuts the parking cam, rotation of the cam guide with respect to the sleeve is restricted.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: August 1, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ryoto Nakamura, Takuya Kodama, Atsushi Teshima
  • Publication number: 20220307597
    Abstract: A cam guiding device includes a cam guide having a cylindrical portion, a partially cylindrical portion extending from a leading end portion of the cylindrical portion, a partially tapered portion extending from the leading end portion of the cylindrical portion, and a rotation stopper portion provided on the partially cylindrical portion, and a sleeve for accommodating the cam guide. The sleeve includes an arc portion that overlaps the partially cylindrical portion from an outside. A radius of the partially tapered portion increases as the partially tapered portion extends away from the cylindrical portion. The rotation stopper portion is a component that protrudes radially outward from an outer circumferential surface of the partially cylindrical portion. When the rotation stopper portion abuts the sleeve and an inner circumferential surface of the cam guide abuts the parking cam, rotation of the cam guide with respect to the sleeve is restricted.
    Type: Application
    Filed: March 18, 2022
    Publication date: September 29, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ryoto NAKAMURA, Takuya KODAMA, Atsushi TESHIMA
  • Patent number: 11383592
    Abstract: A mounting structure for a drive device includes: a power generation unit having an engine and a generator driven by the engine to generate electric power; and a drive unit having a motor for traveling and a power transmission mechanism that outputs torque from the motor toward a driving wheel. A frame member of a vehicle body is provided inside an engine compartment. The power generation unit and the drive unit are arranged, inside the engine compartment, side by side in a width direction of a vehicle so as not to contact each other, and are each connected to the frame member via a mount member. Portions of the power generation unit and the drive unit, which are close to each other in the width direction, are connected by a connecting member having an anti-vibration elastic body.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: July 12, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takuya Kodama, Tomohito Ono
  • Publication number: 20210061986
    Abstract: An epoxy resin composition includes an epoxy resin; a curing agent; alumina particles; and a silane compound which does not have a functional group that is reactive with an epoxy group and which has a functional group that is unreactive with an epoxy group, wherein the silane compound has a structure in which the functional group that is unreactive with an epoxy resin is bound to a silicon atom, or is bound to a silicon atom via a chain hydrocarbon group having 1 to 5 carbon atoms.
    Type: Application
    Filed: March 11, 2019
    Publication date: March 4, 2021
    Inventors: Dongchul KANG, Masashi YAMAURA, Kenta ISHIBASHI, Takuya KODAMA, Keichi HORI, Mika TANAKA
  • Publication number: 20200238814
    Abstract: A mounting structure for a drive device includes: a power generation unit having an engine and a generator driven by the engine to generate electric power; and a drive unit having a motor for traveling and a power transmission mechanism that outputs torque from the motor toward a driving wheel. A frame member of a vehicle body is provided inside an engine compartment. The power generation unit and the drive unit are arranged, inside the engine compartment, side by side in a width direction of a vehicle so as not to contact each other, and are each connected to the frame member via a mount member. Portions of the power generation unit and the drive unit, which are close to each other in the width direction, are connected by a connecting member having an anti-vibration elastic body.
    Type: Application
    Filed: January 28, 2020
    Publication date: July 30, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takuya KODAMA, Tomohito ONO
  • Patent number: 10457266
    Abstract: A series hybrid drive unit that is downsized while improving power transmission efficiency. In the series hybrid drive unit, a generator is driven by an engine, and a motor is operated by electricity generated by the generator. Torque generated by the generator is delivered to drive wheels through a final reduction unit. An input member that is rotated by a torque of the engine, and that is arranged parallel to a rotational center axis Og of the generator. The generator and the motor are arranged parallel to each other while keeping a predetermined clearance, and the final reduction unit is arranged parallel to the motor. The input member and the generator are connected through a first wrapping transmission mechanism, and torque of the motor is transmitted to a final reduction unit through a second wrapping transmission mechanism.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: October 29, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takuya Kodama, Akira Murakami, Hideki Kubonoya
  • Publication number: 20190009770
    Abstract: A series hybrid drive unit that is downsized while improving power transmission efficiency. In the series hybrid drive unit, a generator is driven by an engine, and a motor is operated by electricity generated by the generator. Torque generated by the generator is delivered to drive wheels through a final reduction unit. An input member that is rotated by a torque of the engine, and that is arranged parallel to a rotational center axis Og of the generator. The generator and the motor are arranged parallel to each other while keeping a predetermined clearance, and the final reduction unit is arranged parallel to the motor. The input member and the generator are connected through a first wrapping transmission mechanism, and torque of the motor is transmitted to a final reduction unit through a second wrapping transmission mechanism.
    Type: Application
    Filed: June 1, 2018
    Publication date: January 10, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takuya KODAMA, Akira MURAKAMI, Hideki KUBONOYA
  • Patent number: 10138770
    Abstract: An electronic control unit stores a vehicle load at the time when the vehicle is switched into an ignition off state, stops operation of an electric oil pump when the vehicle load is small, and operates the electric oil pump when the vehicle load is large. Thus, a decrease in service life due to an increase in the number of times of the start of the electric oil pump is suppressed, and, when it is estimated that the vehicle load is large, the response of the start of a vehicle, which makes a driver experience a feeling of strangeness, is improved by starting the electric oil pump together with switching the vehicle into an ignition on state.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: November 27, 2018
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Masami Yamahata, Akiko Nishimine, Takuya Kodama, Kenji Tanabe
  • Patent number: 10116182
    Abstract: An electric motor storing device for a hybrid vehicle, the hybrid vehicle including an electric motor, the electric motor including a rotor shaft and an inner circumferential side rotational shaft disposed on an inner circumferential side of the rotor shaft in a manner to penetrate said rotor shaft, and a case configured to store the electric motor, the electric motor storing device includes: a support member for rotatably supporting the inner circumferential side rotational shaft and the rotor shaft; and an insulating section for insulating between the support member and the case.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: October 30, 2018
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, NIPPON SOKEN, INC.
    Inventors: Motoki Takeno, Takuya Kodama, Koki Kawamoto, Hiroaki Kiyokami, Ryoji Isarai
  • Patent number: 10084359
    Abstract: An electric motor includes a rotor shaft, and the rotor shaft has a shaft-core oil passage and radial oil passages. The shaft-core oil passage includes an inner wall facing radially inward. The radial oil passages are provided toward a radial outer side of the rotor shaft from the shaft-core oil passage. The radial oil passages penetrate through the rotor shaft. The radial oil passages have corresponding one of first connection openings connected to the shaft-core oil passage, so that oil that is not discharged from the first connection openings to the radial oil passage is supplied to other supply destinations. A distance of the first connection openings from the shaft core is shorter than a distance, from the shaft core, of that part of the inner wall which is not provided with the first connection openings.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: September 25, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroaki Kiyokami, Takuya Kodama, Yasuhiro Saito, Mitsutaka Matsumura
  • Publication number: 20180010491
    Abstract: An electronic control unit stores a vehicle load at the time when the vehicle is switched into an ignition off state, stops operation of an electric oil pump when the vehicle load is small, and operates the electric oil pump when the vehicle load is large. Thus, a decrease in service life due to an increase in the number of times of the start of the electric oil pump is suppressed, and, when it is estimated that the vehicle load is large, the response of the start of a vehicle, which makes a driver experience a feeling of strangeness, is improved by starting the electric oil pump together with switching the vehicle into an ignition on state.
    Type: Application
    Filed: June 27, 2017
    Publication date: January 11, 2018
    Inventors: Masami Yamahata, Akiko Nishimine, Takuya Kodama, Kenji Tanabe
  • Patent number: 9863294
    Abstract: A first check valve of a hydraulic control system allows oil to flow in only a direction from a first oil pump toward an oil receiving portion. A second check valve allows oil to flow in only a direction from a second oil pump toward the oil receiving portion. A third oil passage is configured to provide communication between a merging point of a first oil passage and a second oil passage, and the second oil pump by bypassing the second check valve. The third oil passage includes a throttle mechanism. The third oil passage is configured to restrict a flow rate of oil that is discharged from the second oil pump.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: January 9, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takuya Kodama, Hiroaki Kimura, Shigeho Inaoka
  • Patent number: 9605686
    Abstract: A leading edge of a blade has a first curved portion provided with a leading-edge rearmost point, and a trailing edge of the blade has a second curved portion located on the inner circumferential side of the trailing edge and a third curved portion located on the outer circumferential side of the blade on the trailing edge. The third curved portion has a trailing-edge foremost point, and the second curved portion has a trailing-edge rearmost point. The trailing edge and a first concentric circle, which is one of concentric circles having as their center an axis of rotation and passes through the leading-edge rearmost point, intersect each other at a first intersection. The first intersection is located between the trailing-edge rearmost point and the trailing-edge foremost point.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: March 28, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shingo Hamada, Seiji Nakashima, Takashi Ikeda, Takahide Tadokoro, Takuya Kodama, Takashi Kobayashi, Hiroshi Yoshikawa, Hiroaki Makino
  • Patent number: 9475478
    Abstract: A hybrid drive apparatus and a control apparatus for controlling the hybrid drive apparatus, a hybrid drive apparatus including a differential device made of a first differential mechanism and second differential mechanism, including four rotary components; and an engine, a first electric motor, second electric motor and an output rotary member, which are respectively connected to four rotary components, wherein one of the four rotary components consists of a rotary element of the first differential mechanism and a rotary element of the second differential mechanism which are selectively connected to each other through a coupling element, and the control apparatus controlling at least one of output torques of the first and second electric motors, to reduce a difference between rotating speeds of the rotary elements of the first and second differential mechanisms selectively connected to each other through the coupling element, to a value not larger than a predetermined threshold value, before the coupling ele
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: October 25, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takuya Kodama, Taku Harada
  • Publication number: 20160248303
    Abstract: An electric motor includes a rotor shaft, and the rotor shaft has a shaft-core oil passage and radial oil passages. The shaft-core oil passage includes an inner wall facing radially inward. The radial oil passages are provided toward a radial outer side of the rotor shaft from the shaft-core oil passage. The radial oil passages penetrate through the rotor shaft. The radial oil passages have corresponding one of first connection openings connected to the shaft-core oil passage, so that oil that is not discharged from the first connection openings to the radial oil passage is supplied to other supply destinations. A distance of the first connection openings from the shaft core is shorter than a distance, from the shaft core, of that part of the inner wall which is not provided with the first connection openings.
    Type: Application
    Filed: October 13, 2014
    Publication date: August 25, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroaki KIYOKAMI, Takuya KODAMA, Yasuhiro SAITO, Mitsutaka MATSUMURA
  • Publication number: 20160248293
    Abstract: An electric motor storing device for a hybrid vehicle, the hybrid vehicle including an electric motor, the electric motor including a rotor shaft and an inner circumferential side rotational shaft disposed on an inner circumferential side of the rotor shaft in a manner to penetrate said rotor shaft, and a case configured to store the electric motor, the electric motor storing device includes: a support member for rotatably supporting the inner circumferential side rotational shaft and the rotor shaft; and an insulating section for insulating between the support member and the case.
    Type: Application
    Filed: February 23, 2016
    Publication date: August 25, 2016
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, NIPPON SOKEN, INC.
    Inventors: Motoki TAKENO, Takuya KODAMA, Koki KAWAMOTO, Hiroaki KIYOKAMI, Ryoji ISARAI
  • Patent number: 9358871
    Abstract: A control apparatus for a hybrid vehicle drive system, which permits effective reduction of deterioration of the drivability of the hybrid vehicle. The control apparatus includes a drive mode switching portion 60 configured to switch the hybrid vehicle drive system from a hybrid drive mode to a first EV drive mode if an electric energy amount stored in a battery is smaller than a predetermined threshold value ? or if a vehicle drive force required to be generated by the hybrid vehicle drive system is smaller than a predetermined threshold value ?, and to a second EV drive mode if the electric energy amount stored in the battery is equal to or larger than the threshold value ? and if the drive force required to drive the hybrid vehicle is equal to or larger than the threshold value ?, when the drive mode switching portion has determined that the hybrid vehicle drive system should be switched from the hybrid drive mode to the first or second EV drive mode.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: June 7, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Taku Harada, Masatoshi Ito, Masataka Sugiyama, Takuya Kodama
  • Publication number: 20160076416
    Abstract: A first check valve of a hydraulic control system allows oil to flow in only a direction from a first oil pump toward an oil receiving portion. A second check valve allows oil to flow in only a direction from a second oil pump toward the oil receiving portion. A third oil passage is configured to provide communication between a merging point of a first oil passage and a second oil passage, and the second oil pump by bypassing the second check valve. The third oil passage includes a throttle mechanism. The third oil passage is configured to restrict a flow rate of oil that is discharged from the second oil pump.
    Type: Application
    Filed: September 11, 2015
    Publication date: March 17, 2016
    Applicant: Toyota Jidosha Kabushiki Kaisha
    Inventors: Takuya KODAMA, Hiroaki KIMURA, Shigeho INAOKA
  • Publication number: 20150367829
    Abstract: A hybrid drive apparatus and a control apparatus for controlling the hybrid drive apparatus, a hybrid drive apparatus including a differential device made of a first differential mechanism and second differential mechanism, including four rotary components; and an engine, a first electric motor, second electric motor and an output rotary member, which are respectively connected to four rotary components, wherein one of the four rotary components consists of a rotary element of the first differential mechanism and a rotary element of the second differential mechanism which are selectively connected to each other through a coupling element, and the control apparatus controlling at least one of output torques of the first and second electric motors, to reduce a difference between rotating speeds of the rotary elements of the first and second differential mechanisms selectively connected to each other through the coupling element, to a value not larger than a predetermined threshold value, before the coupling ele
    Type: Application
    Filed: June 19, 2015
    Publication date: December 24, 2015
    Inventors: Takuya KODAMA, Taku HARADA