Patents by Inventor Masato Yoshikawa

Masato Yoshikawa 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: 11807210
    Abstract: In a driven state phase, target input torque is limited to a first limit value, whereas in a backlash-elimination state phase, the target input torque is limited to a second limit value and target engine torque and torque of a motor-generator are controlled according to the target input torque. In the backlash-elimination state phase, the target input torque is limited to the second limit value that is suitable for mitigating rattling shock, so that rattling shock can be appropriately mitigated. Meanwhile, in the driven state phase, the target input torque is limited to the relatively high first limit value, so that an MG rotation speed can be quickly increased to eliminate a rotational difference, which enhances the responsiveness of driving power up to when required driving power is obtained after elimination of the backlash.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: November 7, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akihito Hayasaka, Masato Yoshikawa, Nobufusa Kobayashi
  • Publication number: 20230264683
    Abstract: A controller is employed in a vehicle including an engine, a motor generator, and a hydraulically-driven clutch. The controller includes a CPU that executes: a first starting process that starts, when starting the engine under a condition in which a system shaft torque is less than a shaft torque determination value, combustion in the engine after increasing an engine rotation speed to a motor rotation speed by engaging the clutch; a second starting process that starts, when starting the engine under a condition in which the system shaft torque is greater than or equal to the shaft torque determination value, combustion in the engine after the crankshaft starts to be rotated by engaging the clutch, the combustion being started before the engine rotation speed reaches the motor rotation speed; and a setting process that sets the shaft torque determination value to be larger as an oil temperature becomes lower.
    Type: Application
    Filed: February 17, 2023
    Publication date: August 24, 2023
    Inventors: Naoki NAKANISHI, Masato YOSHIKAWA
  • Publication number: 20230264684
    Abstract: A controller is employed in a vehicle including an engine, a motor generator, and a hydraulically-driven clutch. The controller includes a CPU that executes: a first starting process that starts, when starting the engine under a condition in which an increase amount of a torque request value is less than an increase amount determination value, combustion in the engine after increasing an engine rotation speed to a motor rotation speed by engaging the clutch; and a second starting process that starts, when starting the engine under a condition in which the increase amount of the torque request value is greater than or equal to the increase amount determination value, combustion in the engine after the crankshaft starts to be rotated by engaging the clutch, the combustion being started before the engine rotation speed reaches the motor rotation speed.
    Type: Application
    Filed: February 17, 2023
    Publication date: August 24, 2023
    Inventors: Naoki NAKANISHI, Nobufusa KOBAYASHI, Masato YOSHIKAWA
  • Publication number: 20230249671
    Abstract: An electronic control unit includes processing circuitry. A hybrid electric vehicle has an electric traveling mode, in which the hybrid electric vehicle travels with a system clutch disengaged and an engine in a stopped state, and a hybrid traveling mode, in which the hybrid electric vehicle travels with the system clutch engaged and engine operating. The processing circuitry is configured to control, when the traveling mode is switched from the electric traveling mode to the hybrid traveling mode, a throttle opening degree of the engine at the time of completion of engagement of the system clutch in accordance with the atmospheric pressure such that a constant intake air amount is obtained regardless of the level of the atmospheric pressure.
    Type: Application
    Filed: February 2, 2023
    Publication date: August 10, 2023
    Inventors: Naoki NAKANISHI, Masato YOSHIKAWA, Mitsuru YAMAGUCHI
  • Publication number: 20230242089
    Abstract: A control apparatus for a vehicle that includes an engine, an electric motor and a clutch provided between the engine and the electric motor. An engine-start delay control is executed in a case in which a requested drive amount is realized by only a torque of the electric motor and a first starting manner is being selected as an engine starting manner. Then, in a case in which a predetermined time elapses from initiation of the engine-start delay control, the engine-start delay control is terminated and the engine is started in the first starting manner. On the other hand, in a case in which the engine starting manner is switched from the first starting manner to a second starting manner before the predetermined time elapses from the initiation of the engine-start delay control, the engine-start delay control is terminated and the engine is started in the second starting manner.
    Type: Application
    Filed: January 25, 2023
    Publication date: August 3, 2023
    Inventors: Naoki NAKANISHI, Masato YOSHIKAWA
  • Publication number: 20230234556
    Abstract: A hybrid electric vehicle includes an engine, a motor, a clutch provided between the engine and the motor, a battery for charging regenerative electric power of the motor, and a control device that controls the engine, the motor, and the clutch. The control device includes a charge determination unit that determines whether the battery is chargeable when there is a deceleration request, and a deceleration control unit that executes, in a negative determination, a first deceleration process to decelerate the hybrid electric vehicle by friction torque of the engine, and executes, in a positive determination, a second deceleration process to decelerate the hybrid electric vehicle by regenerative torque of the motor. In the second deceleration process, the deceleration control unit causes the motor to output the friction torque at a rotational speed of the engine corresponding to a rotational speed of the motor as the regenerative torque.
    Type: Application
    Filed: October 12, 2022
    Publication date: July 27, 2023
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya TANAKA, Motoshi ASADA, Mitsuru YAMAGUCHI, Masato YOSHIKAWA
  • Publication number: 20230183227
    Abstract: The present invention provides a heterocyclic compound having a HDAC6 inhibitory action, which is useful for the treatment of central nervous system diseases including neurodegenerative diseases, and the like, and a medicament comprising the compound. The present invention relates to a compound represented by the formula (I) wherein each symbol is as defined in the description, or a salt thereof.
    Type: Application
    Filed: September 26, 2022
    Publication date: June 15, 2023
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro ITO, Hideyuki SUGIYAMA, Takeshi YAMAMOTO, Keiko KAKEGAWA, Jinxing LI, Junsi WANG, Takahito KASAHARA, Masato YOSHIKAWA
  • Patent number: 11666594
    Abstract: The present disclosure provides a compound having a STING agonistic activity, which may be expected to be useful as an agent for the prophylaxis or treatment of STING-related diseases. The present disclosure relates to a compound represented by the formula (I): wherein each symbol is as defined in the description, or a salt thereof.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: June 6, 2023
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Masato Yoshikawa, Morihisa Saitoh, Taisuke Kato, Yayoi Nakayama, Tomohiro Seki, Yasuo Nakagawa, Yusuke Tominari, Masaki Seto, Yusuke Sasaki, Masanori Okaniwa, Tsuneo Oda, Akito Shibuya, Kosuke Hidaka, Zenyu Shiokawa, Shumpei Murata, Atsutoshi Okabe, Yoshihisa Nakada, Michiyo Mochizuki, Brian Scott Freeze, Taisuke Tawaraishi, Yasufumi Wada, Paul D. Greenspan
  • Publication number: 20230104075
    Abstract: A hybrid electric vehicle including: (a) an engagement device disposed between an engine and an electric motor; (b) a transmission disposed between the electric motor and drive wheels; (c) an electric storage device configured to supply an electric power to the electric motor; and (d) a control apparatus. When the engine is to be started, the engagement device is engaged to transmit a torque from the electric motor to the engine, for thereby starting the engine. The control apparatus is configured to inhibit stop of the engine, when an outputtable electric power outputtable from the electric storage device is not larger than a threshold value. The threshold value is not smaller than a start-case-required electric power that is required to start the engine, such that a difference value between the threshold value and the start-case-required electric power is not larger than a predetermined value.
    Type: Application
    Filed: September 20, 2022
    Publication date: April 6, 2023
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Naoki NAKANISHI, Masato YOSHIKAWA, Hironobu ARATAKE
  • Publication number: 20230037538
    Abstract: The present invention relates to compounds expected to be useful in the prevention and/or treatment of diseases such as amyotrophic lateral sclerosis, frontotemporal dementia, chronic traumatic encephalopathy, Alzheimer's disease, frontotemporal lobar degeneration, multisystem proteinopathy and the like, a method for preventing or treating such diseases, and the like.
    Type: Application
    Filed: June 23, 2022
    Publication date: February 9, 2023
    Inventors: Dennis Solas, Anatoliy Kitaygorodskyy, Kumar Paulvannan, Vishwanath R. Lingappa, Masato Yoshikawa, Masahiro Ito, Yuta Tanaka, Keiko Kakegawa, Tomohiro Ohashi, Takuto Kojima, Akinori Toita, Osamu Kubo, Fumiaki Kikuchi, Florian P√ľnner, Junsi Wang
  • Patent number: 11491968
    Abstract: A control device of a hybrid vehicle including an engine, motor that receives power from the engine via an engine connecting and disconnecting device, and automatic transmission, starts the engine in a first starting method in which the engine performs ignition and rotates by itself after the engine speed is increased to be equal to or higher than a predetermined rotational speed through slipping engagement of the engine connecting and disconnecting device, or a second starting method in which the engine performs ignition and rotates by itself from a stage before the engine speed reaches the predetermined rotational speed, and controls the automatic transmission to permit a lower gear position to be established according to shift conditions when the engine is started in the second starting method during a downshift of the automatic transmission, as compared with when the engine is started in the first starting method during the downshift.
    Type: Grant
    Filed: March 28, 2021
    Date of Patent: November 8, 2022
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.
    Inventors: Naoki Nakanishi, Nobufusa Kobayashi, Masato Yoshikawa, Hironobu Aratake, Shingo Akita, Shinobu Nishiyama, Soichiro Sawamura
  • Patent number: 11453661
    Abstract: The present invention provides a heterocyclic compound having a HDAC6 inhibitory action, which is useful for the treatment of central nervous system diseases including neurodegenerative diseases, and the like, and a medicament comprising the compound. The present invention relates to a compound represented by the formula (I): wherein each symbol is as defined in the description, or a salt thereof.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: September 27, 2022
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro Ito, Hideyuki Sugiyama, Takeshi Yamamoto, Keiko Kakegawa, Jinxing Li, Junsi Wang, Takahito Kasahara, Masato Yoshikawa
  • Publication number: 20220299762
    Abstract: An optical device, a method of detecting the degree of inclination of a three-dimensional object, and a method of detecting a line of sight. The optical device includes a plurality of light emitters configured to irradiate an object with light, a detector configured to detect the light reflected by the object and output a signal based on the light reflected by the object, and circuitry configured to output data of a degree of inclination of the object obtained based on an output signal output from the detector. In the optical device, the light emitted from the light emitter is temporally modulated by a code having orthogonality, and the plurality of light emitters include a first light emitter and a second light emitter. In the optical device, the first light emitter emits the light at a timing different from a timing at which the second light emitter emits the light.
    Type: Application
    Filed: March 3, 2022
    Publication date: September 22, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Masato Yoshikawa, Suguru Sangu, Saori Yoshida
  • Publication number: 20220145949
    Abstract: A hybrid vehicle controller for controlling a hybrid vehicle including a hybrid system is provided. The hybrid system includes an engine, a motor generator, a battery configured to supply power with the motor generator, a clutch configured to connect the engine to the motor generator, and a relay configured to connect the motor generator to the battery. The hybrid vehicle controller includes processing circuitry. The processing circuitry is configured to execute, when an operation requesting opening of the relay is performed, a process that releases the clutch, a negative torque application process that applies a negative torque, which is a torque for lowering a rotational speed of the motor generator, to the motor generator, after releasing the clutch, and a process that releases the relay when the rotational speed of the motor generator becomes less than a threshold.
    Type: Application
    Filed: November 8, 2021
    Publication date: May 12, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Atsushi ONOMOTO, Masato YOSHIKAWA
  • Publication number: 20220118968
    Abstract: In a driven state phase, target input torque is limited to a first limit value, whereas in a backlash-elimination state phase, the target input torque is limited to a second limit value and target engine torque and torque of a motor-generator are controlled according to the target input torque. In the backlash-elimination state phase, the target input torque is limited to the second limit value that is suitable for mitigating rattling shock, so that rattling shock can be appropriately mitigated. Meanwhile, in the driven state phase, the target input torque is limited to the relatively high first limit value, so that an MG rotation speed can be quickly increased to eliminate a rotational difference, which enhances the responsiveness of driving power up to when required driving power is obtained after elimination of the backlash.
    Type: Application
    Filed: August 5, 2021
    Publication date: April 21, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akihito HAYASAKA, Masato YOSHIKAWA, Nobufusa KOBAYASHI
  • Publication number: 20220098180
    Abstract: The present invention provides a heterocyclic compound having a HDAC inhibitory action, which is useful for the treatment of central nervous system diseases including neurodegenerative diseases, and the like, and a medicament comprising the compound. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the description, or a salt thereof.
    Type: Application
    Filed: January 29, 2020
    Publication date: March 31, 2022
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Masahiro ITO, Takeshi YAMAMOTO, Keiko KAKEGAWA, Hideyuki SUGIYAMA, Tohru MIYAZAKI, Yasuyoshi ARIKAWA, Tomohiro OKAWA, Jinichi YONEMORI, Osamu KUBO, Akinori TOITA, Takuto KOJIMA, Fumiaki KIKUCHI, Minoru SASAKI, Misaki HOMMA, Yasuhiro IMAEDA, Hironobu MAEZAKI, Shiinobu SASAKI, Ayumu SATO, Hirotaka KAMITANI, Yasutomi ASANO, Hironori KOKUBO, Masato YOSHIKAWA
  • Patent number: 11174272
    Abstract: The present invention provides a compound useful as an agent for the prophylaxis or treatment of neurodegenerative disease and the like, or a salt thereof. The present invention relates to a compound represented by the formula wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: November 16, 2021
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Tatsuki Koike, Masato Yoshikawa, Haruhi Ando, William John Farnaby
  • Publication number: 20210300331
    Abstract: A control device of a hybrid vehicle including an engine, motor that receives power from the engine via an engine connecting and disconnecting device, and automatic transmission, starts the engine in a first starting method in which the engine performs ignition and rotates by itself after the engine speed is increased to be equal to or higher than a predetermined rotational speed through slipping engagement of the engine connecting and disconnecting device, or a second starting method in which the engine performs ignition and rotates by itself from a stage before the engine speed reaches the predetermined rotational speed, and controls the automatic transmission to permit a lower gear position to be established according to shift conditions when the engine is started in the second starting method during a downshift of the automatic transmission, as compared with when the engine is started in the first starting method during the downshift.
    Type: Application
    Filed: March 28, 2021
    Publication date: September 30, 2021
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.
    Inventors: Naoki NAKANISHI, Nobufusa KOBAYASHI, Masato YOSHIKAWA, Hironobu ARATAKE, Shingo AKITA, Shinobu NISHIYAMA, Soichiro SAWAMURA
  • Publication number: 20210206781
    Abstract: The present invention provides a compound useful as an agent for the prophylaxis or treatment of neurodegenerative disease and the like, or a salt thereof. The present invention relates to a compound represented by the formula wherein each symbol is as defined in the specification, or a salt thereof.
    Type: Application
    Filed: July 20, 2020
    Publication date: July 8, 2021
    Inventors: Tatsuki KOIKE, Masato YOSHIKAWA, Haruhi ANDO, William John FARNABY
  • Patent number: 11025077
    Abstract: This invention enables to perform charging control independent of a power supply source. A charging device supplies power to a terminal via a cable or wirelessly. The charging device that supplies power to the terminal via a cable or wirelessly includes a remaining battery amount acquirer and a power supply controller. The remaining battery amount acquirer of the charging device that supplies power to the terminal via a cable or wirelessly acquires the remaining battery amount of the terminal. The power supply controller of the charging device that supplies power to the terminal via a cable or wirelessly controls the start and stop of supply of power to the terminal based on the acquired remaining battery amount.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: June 1, 2021
    Assignee: NEC CORPORATION
    Inventor: Masato Yoshikawa