Patents by Inventor Hajime Fujita

Hajime Fujita 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: 10632488
    Abstract: A control unit for an aerosol generating device includes: a sensor that outputs a value related to a temperature of a power source capable of being charged and discharged to a load for atomizing an aerosol source; and a controller configured to execute one or more functions of operating the power source when an output value of the sensor is within a first range having at least one of a first upper limit and a first lower limit. The first upper limit or the first lower limit is smaller or larger than a second upper limit or a second lower limit of a second range that is a range of a value related to a temperature at which the one or more functions can be executed, a range of a value related to a temperature at which deterioration of the power source is suppressed, a range of a value related to a temperature at which the power source deteriorates due only to a factor that is the same as normal temperature, or a range corresponding to an operating temperature of the power source.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: April 28, 2020
    Assignee: JAPAN TOBACCO INC.
    Inventors: Takashi Oda, Hiroshi Okuno, Takeshi Akao, Hajime Fujita
  • Publication number: 20200108409
    Abstract: A control unit for an aerosol generating device includes: a sensor that outputs a value related to a temperature of a power source capable of being charged and discharged to a load for atomizing an aerosol source; and a controller configured to execute one or more functions of operating the power source when an output value of the sensor is within a first range having at least one of a first upper limit and a first lower limit. The first upper limit or the first lower limit is smaller or larger than a second upper limit or a second lower limit of a second range that is a range of a value related to a temperature at which the one or more functions can be executed, a range of a value related to a temperature at which deterioration of the power source is suppressed, a range of a value related to a temperature at which the power source deteriorates due only to a factor that is the same as normal temperature, or a range corresponding to an operating temperature of the power source.
    Type: Application
    Filed: September 16, 2019
    Publication date: April 9, 2020
    Applicant: JAPAN TOBACCO INC.
    Inventors: Takashi ODA, Hiroshi OKUNO, Takeshi AKAO, Hajime FUJITA
  • Publication number: 20200107582
    Abstract: An inhalation component generating device includes: a power supply; a load group including a load configured to evaporate or atomize an inhalation component source by power from the power supply; an adjusting unit configured to adjust a value or waveform of voltage to be applied to the load; and a control circuit configured to be able to acquire a voltage value of the power supply. The control circuit performs: a process (a1) of acquiring a closed circuit voltage value of the power supply in a closed circuit state in which the power supply and the load group are electrically connected; and a process (a2) of controlling the adjusting unit based on the closed circuit voltage value.
    Type: Application
    Filed: October 3, 2019
    Publication date: April 9, 2020
    Applicant: JAPAN TOBACCO INC.
    Inventors: Kazuma MIZUGUCHI, Takeshi AKAO, Hajime FUJITA
  • Publication number: 20200107581
    Abstract: An inhalation component generating device includes: a power supply; a load group including a load configured to evaporate or atomize an inhalation component source by power from the power supply; and a control circuit configured to be able to acquire a voltage value of the power supply. The control circuit performs: a process (a1) of acquiring a closed circuit voltage value of the power supply in a closed circuit state in which the power supply and the load group are electrically connected; and a process (a2) of comparing the acquired closed circuit voltage value and a first reference voltage value, and determining that the power supply is in a small residual amount state in a case where the closed circuit voltage value is smaller than or is equal to or smaller than the reference voltage value.
    Type: Application
    Filed: October 3, 2019
    Publication date: April 9, 2020
    Applicant: JAPAN TOBACCO INC.
    Inventors: Takeshi AKAO, Manabu YAMADA, Hajime FUJITA
  • Patent number: 10609963
    Abstract: Provided is an aerosol generating device which is capable of optimizing the timing at which aerosol generation is stopped. This aerosol generating device 100 includes: a power source 114 which supplies power in order to atomize an aerosol source and/or heat a flavor source; a sensor 106 which outputs a measurement value indicating a first physical quantity for controlling the power supplied; and a controller 130 which acquires the measurement value output by the sensor 106, stores a profile of the measurement value, and controls the supplied power by controlling a second physical quantity different to the first physical quantity, on the basis of the acquired measurement value and at least a part of the stored profile of the measurement value.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: April 7, 2020
    Assignee: JAPAN TOBACCO INC.
    Inventors: Takuma Nakano, Hajime Fujita
  • Patent number: 10602781
    Abstract: Provided is an aerosol generating device which is capable of stopping aerosol generation at an appropriate timing. This aerosol generating device includes a power source which supplies power in order to atomize an aerosol source and/or heat a flavor source; a sensor which outputs a measurement value for controlling the power supplied; and a circuitry which controls the power supplied from the power source on the basis of the measurement value. The circuitry controls to increase a power supply amount per unit time in response to a first condition that the measured value is equal to or larger than a first threshold being satisfied, and to decrease the power supply amount per unit time in response to a second condition that the measured value is less than a second threshold greater than the first threshold and a third condition which is different from the first condition and the second condition being satisfied.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: March 31, 2020
    Assignee: JAPAN TOBACCO INC.
    Inventors: Takuma Nakano, Hajime Fujita
  • Patent number: 10589306
    Abstract: A control unit for an aerosol generating device includes: a sensor that outputs a value related to a temperature of a power source capable of being charged and discharged to a load for atomizing an aerosol source; and a controller configured to execute one or more functions of operating the power source when an output value of the sensor is within a first range having at least one of a first upper limit and a first lower limit. The first upper limit or the first lower limit is smaller or larger than a second upper limit or a second lower limit of a second range that is a range of a value related to a temperature at which the one or more functions can be executed, a range of a value related to a temperature at which deterioration of the power source is suppressed, a range of a value related to a temperature at which the power source deteriorates due only to a factor that is the same as normal temperature, or a range corresponding to an operating temperature of the power source.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: March 17, 2020
    Assignee: JAPAN TOBACCO INC.
    Inventors: Takashi Oda, Hiroshi Okuno, Takeshi Akao, Hajime Fujita
  • Publication number: 20190387801
    Abstract: A battery unit includes a power supply; a connection configured to be connectable with a load for atomizing an aerosol source or heating a flavor source and a charger for charging the power supply; and a controller that performs a specific process at least selectively executable to at least temporarily disable the supply of electric power to the load from the power supply, if erroneously determining the load connected to the connection as the charger is identified.
    Type: Application
    Filed: August 28, 2019
    Publication date: December 26, 2019
    Applicant: JAPAN TOBACCO INC.
    Inventors: Manabu Takeuchi, Takaya Takahashi, Manabu Yamada, Takuma Nakano, Hajime Fujita
  • Publication number: 20190387806
    Abstract: A smoking system that smoothly switches between a charge mode and a direct heating mode is provided with: a secondary device with a load for atomizing an aerosol source or heating a flavor source and a power source capable of supplying power to the load; a primary device which, when connected to the secondary device, is capable of supplying power to the load and the power source; and a control unit capable of executing a first mode in which the power is supplied from the primary device to the load and a second mode in which the power is supplied from the primary device to the power source. During a first transition, which is from the first mode to the second mode, and/or a second transition, which is from the second mode to the first mode, the control unit executes, in a time between the modes, a transition mode involving a transition time for changing a preset variable relating to power supply.
    Type: Application
    Filed: September 6, 2019
    Publication date: December 26, 2019
    Applicant: JAPAN TOBACCO INC.
    Inventors: Takuma NAKANO, Hajime FUJITA
  • Publication number: 20190380394
    Abstract: Provided is a battery unit including: a power supply; a detector configured to detect an output voltage of the power supply; a connecting configured to be connectable with a load for atomizing an aerosol source or heating a flavor source; and a controller capable of executing a power supply mode in which electric power is supplied to the load from the power supply. The controller executes a specific control different from the supply of electric power to the load based on am amount of change in the output voltage per a predetermined time period in the power supply mode.
    Type: Application
    Filed: August 28, 2019
    Publication date: December 19, 2019
    Applicant: JAPAN TOBACCO INC.
    Inventors: Manabu TAKEUCHI, Takaya TAKAHASHI, Manabu YAMADA, Hajime FUJITA
  • Patent number: 10500970
    Abstract: A power supply apparatus includes a first and second electric storage sections, a charge/discharge circuit performing charge/discharge between the first and second storage sections, and a control section controlling the charge/discharge circuit. The control section sets at least one of the first and second storage sections as a target storage section, acquires a target SOC and a target OCV which are respectively a charge rate and an open-end voltage of the target storage section, collects, by using charge transfer between the first and second storage sections, data including the target SOC and the target OCV in an order based on a collection rule determined by collected data and the target SOC, the collected data being an aggregation of the data which is collected, and estimates correlation information between an SOC and an OCV of the target storage section based on a plurality of the data.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: December 10, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Masayuki Kawamura, Hajime Fujita
  • Patent number: 10464430
    Abstract: A power reception apparatus includes a secondary coil which receives power in a non-contact state from a power transmission apparatus having a primary coil, while being disposed opposite to the power transmission apparatus, a housing which accommodates the secondary coil to form a space between the secondary coil and the housing, an insulating fluid filled in the space, a measurement unit which measures efficiency of a non-contact power transmission between the primary coil and the secondary coil, and a detection unit which detects damage made to the housing based on a change in the efficiency during the non-contact power transmission.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: November 5, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yasuhisa Kume, Tomoaki Ono, Takuya Iwamoto, Hajime Fujita
  • Patent number: 10444290
    Abstract: A power supply apparatus has a first electric storage section, a second electric storage section having an excellent energy density and a poor output density compared with the first storage section, and a control section that acquires first data and second data before and after each time of transferring charge between the first and storage sections, the first data being a combination of an SOC and an OCV of the first storage section, the second data being a combination of an SOC and an OCV of the second storage section, estimates a first correlation between the SOC and the OCV of the first storage section from an aggregation of the first data including reference data, and estimates a second correlation between the SOC and the OCV of the second storage section based on a comparison between a plurality of stored data and an aggregation of the second data.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: October 15, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Masayuki Kawamura, Hajime Fujita
  • Publication number: 20190246698
    Abstract: Provided is an aerosol generating device which is capable of stopping aerosol generation at an appropriate timing. This aerosol generating device includes a power source which supplies power in order to atomize an aerosol source and/or heat a flavor source; a sensor which outputs a measurement value for controlling the power supplied; and a circuitry which controls the power supplied from the power source on the basis of the measurement value. The circuitry controls to increase a power supply amount per unit time in response to a first condition that the measured value is equal to or larger than a first threshold being satisfied, and to decrease the power supply amount per unit time in response to a second condition that the measured value is less than a second threshold greater than the first threshold and a third condition which is different from the first condition and the second condition being satisfied.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 15, 2019
    Applicant: JAPAN TOBACCO INC.
    Inventors: Takuma NAKANO, Hajime FUJITA
  • Publication number: 20190246703
    Abstract: Provided is an aerosol generating device which is capable of stopping aerosol generation at an appropriate timing. This aerosol generating device includes a power source which supplies power in order to atomize an aerosol source and/or heat a flavor source; a sensor which outputs a measurement value for controlling the power supplied; and a circuitry which controls the power supplied from the power source on the basis of the measurement value. The circuitry controls to increase a power supply amount per unit time in response to a first condition that the measured value is equal to or larger than a first threshold being satisfied, and to decrease the power supply amount per unit time in response to a second condition that the measured value is less than a second threshold greater than the first threshold and a third condition which is different from the first condition and the second condition being satisfied.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 15, 2019
    Applicant: Japan Tobacco Inc.
    Inventors: Takuma NAKANO, Hajime FUJITA
  • Publication number: 20190246701
    Abstract: Provided is an aerosol generating device which is capable of optimizing the timing at which aerosol generation is stopped. This aerosol generating device 100 includes: a power source 114 which supplies power in order to atomize an aerosol source and/or heat a flavor source; a sensor 106 which outputs a measurement value indicating a first physical quantity for controlling the power supplied; and a controller 130 which acquires the measurement value output by the sensor 106, stores a profile of the measurement value, and controls the supplied power by controlling a second physical quantity different to the first physical quantity, on the basis of the acquired measurement value and at least a part of the stored profile of the measurement value.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 15, 2019
    Applicant: JAPAN TOBACCO INC.
    Inventors: Takuma Nakano, Hajime Fujita
  • Patent number: 10227015
    Abstract: The power reception apparatus includes a secondary coil which receives power in a non-contact state from a power transmission apparatus having a primary coil, while facing the power transmission apparatus, a housing which houses the secondary coil to form a space between the secondary coil and the housing, a fluid filled in the space, a sensor which is disposed in the space and detects a change in the a liquid level height of the fluid, and a detection unit which detects a breakage of the housing, based on a the change in the liquid level height detected by the sensor.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: March 12, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yasuhisa Kume, Tomoaki Ono, Takuya Iwamoto, Hajime Fujita
  • Patent number: 10161992
    Abstract: A power supply includes a first and second electric storage sections, a first sensor detecting a first current of charge/discharge of the first storage section, a second sensor detecting a second current of the charge/discharge of the second storage section, and a circuit module having a control section to determine a state of the first sensor, the second sensor, and/or a third sensor detecting a third current of a driving section by comparing a first current with a third current in a charge/discharge between the first storage section and the driving section, and/or a second current with the third current in a charge/discharge between the second storage section and the driving section, and by comparing the first current with the second current and the first current with the third current in the discharge of the first storage section to the second storage section and the driving section.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: December 25, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Masayuki Kawamura, Hajime Fujita, Hirokazu Oguma
  • Publication number: 20180326864
    Abstract: An electricity supply control apparatus includes a storing section that stores electrical energy, a supply section that supplies the electrical energy to a drive source of a vehicle or to a load external to the vehicle, a control section that controls electricity supply from the supply section to the load, and an acquisition section that acquires information regarding a current position of the vehicle, and information regarding at least one facility located in surroundings of the current position and capable of supplying the electrical energy. The control section sets one facility from out of the at least one facility as a target destination based on a position of the facility and on a quantity of the electrical energy the facility is capable of supplying, included in the information regarding the at least one facility acquired by the acquisition section.
    Type: Application
    Filed: July 26, 2018
    Publication date: November 15, 2018
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Hiroyuki KANAZAWA, Hakaru SADANO, Hajime FUJITA
  • Publication number: 20170368948
    Abstract: The power reception apparatus includes a secondary coil which receives power in a non-contact state from a power transmission apparatus having a primary coil, while facing the power transmission apparatus, a housing which houses the secondary coil to form a space between the secondary coil and the housing, a fluid filled in the space, a sensor which is disposed in the space and detects a change in the a liquid level height of the fluid, and a detection unit which detects a breakage of the housing, based on a the change in the liquid level height detected by the sensor.
    Type: Application
    Filed: June 26, 2017
    Publication date: December 28, 2017
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Yasuhisa KUME, Tomoaki ONO, Takuya IWAMOTO, Hajime FUJITA