公开(公告)号：US20240389673A1

公开(公告)日：2024-11-28

申请号：US18792618

申请日：2024-08-02

Applicant: Japan Tobacco Inc.

Inventor： Yasuhiro ONO ,  Kazutoshi SERITA ,  Reijiro KAWASAKI ,  Chieko KAJIWARA ,  Hiroshi TEZUKA

IPC: A24F40/57 ,  A24F40/20 ,  A24F40/465

Abstract: This aerosol generation system is provided with a housing unit capable of housing a base material that contains an aerosol source, and a control unit that controls a temperature at which the aerosol source contained in the base material housed in the housing unit is heated. If a first puff in which a user inhales an aerosol generated from the aerosol source is performed, the control unit controls the temperature at which the aerosol source is heated, on the basis of information of a previous second puff.

公开(公告)号：US20230371602A1

公开(公告)日：2023-11-23

申请号：US18230433

申请日：2023-08-04

Applicant: JAPAN TOBACCO INC.

Inventor： Yasuhiro ONO ,  Kazutoshi SERITA ,  Reijiro KAWASAKI ,  Hiroshi TEZUKA

IPC: A24F40/465 ,  A24F40/57 ,  A24F40/53 ,  A24F40/20

CPC classification number: A24F40/465 ,  A24F40/57 ,  A24F40/53 ,  A24F40/20 ,  A24F40/51

Abstract: An inhalation device provided with: an AC power generation unit that generates AC power; an accommodation unit capable of accommodating in an inner space thereof a base material containing an aerosol source and a susceptor thermally proximal to the aerosol source; a plurality of electromagnetic induction sources that generate a variable magnetic field in the inner space by using the AC power supplied from the AC power generation unit; a plurality of switches that toggle between whether or not the AC power is supplied to each of the plurality of electromagnetic induction sources; and a control unit that controls each of the plurality of switches such that a total value of voltages respectively applied to the plurality of electromagnetic induction sources is no greater than a first threshold value.

公开(公告)号：US20250160431A1

公开(公告)日：2025-05-22

申请号：US19008641

申请日：2025-01-03

Applicant: Japan Tobacco Inc.

Inventor： Yasuhiro ONO ,  Kazutoshi SERITA ,  Reijiro KAWASAKI ,  Hiroshi TEZUKA ,  Chieko KAJIWARA

IPC: A24F40/57

Abstract: An inhalation device includes: a heater configured to generate aerosol by heating a substrate containing an aerosol source; and a control circuit configured to control an operation a of the heater based on a heating profile defining a time-series transition of a target temperature. The control circuit is configured to: start control of the heater in a control mode defined by the heating profile in response to a generation request for the aerosol; acquire information indicating an inhalation mode in a first period in which the heater is controlled in the control mode defined by the heating profile; and change the control mode for the heater in a second period after the first period from the control mode defined by the heating profile to a control mode based on the inhalation mode in the first period.

公开(公告)号：US20240341369A1

公开(公告)日：2024-10-17

申请号：US18752805

申请日：2024-06-25

Applicant: Japan Tobacco Inc.

Inventor： Takahiro SAKAMOTO ,  Reijiro KAWASAKI

IPC: A24F40/57 ,  A24F7/00 ,  A24F40/20 ,  A24F40/46 ,  A24F40/51 ,  A24F40/53 ,  H05B6/80

CPC classification number: A24F40/57 ,  A24F7/00 ,  A24F40/20 ,  A24F40/46 ,  A24F40/51 ,  A24F40/53 ,  H05B6/802

Abstract: An aerosol generation device including: an accommodating portion accommodating an aerosol-forming product; a lid portion disposed in an opening of the accommodating portion; a microwave oscillation unit; a power supply unit; an antenna that supplies the microwave to the accommodating portion; and a control unit, in which the accommodating portion includes a first microwave shield, the lid portion includes a second microwave shield, the first microwave shield and the second microwave shield form an applicator that confines the microwave, the applicator transitions between a blocking state in which propagation of the microwave from the applicator to the outside is restricted and a non-blocking state in which propagation of the microwave from the applicator to the outside is enabled, according to a position of the lid portion, and the control unit prohibits supply of the microwave from the microwave oscillation unit according to the position of the lid portion.

公开(公告)号：US20240341360A1

公开(公告)日：2024-10-17

申请号：US18752838

申请日：2024-06-25

Applicant: Japan Tobacco Inc.

Inventor： Takahiro SAKAMOTO ,  Reijiro KAWASAKI

IPC: A24F40/46 ,  A24D1/20 ,  A24F40/20 ,  A24F40/51 ,  A24F40/53 ,  A24F40/57 ,  H05B6/80

CPC classification number: A24F40/46 ,  A24D1/20 ,  A24F40/20 ,  A24F40/51 ,  A24F40/53 ,  A24F40/57 ,  H05B6/802

Abstract: An aerosol generation system including: an aerosol-forming product including an aerosol source; an accommodating portion accommodating the aerosol-forming product; a microwave oscillation unit; a power supply unit; an antenna that supplies the microwave to the accommodating portion; and a control unit, in which the accommodating portion includes a first microwave shield, the aerosol-forming product includes a second microwave shield, the first microwave shield and the second microwave shield form an applicator that confines the microwave, the applicator transitions between a blocking state in which propagation of the microwave from the applicator to the outside is restricted and a non-blocking state in which propagation of the microwave from the applicator to the outside is enabled, according to a position of the second microwave shield, and the control unit prohibits supply of the microwave from the microwave oscillation unit according to the position of the second microwave shield.

公开(公告)号：US20240114966A1

公开(公告)日：2024-04-11

申请号：US18540184

申请日：2023-12-14

Applicant: JAPAN TOBACCO INC.

Inventor： Takafumi IZUMIYA ,  Kazutoshi SERITA ,  Reijiro KAWASAKI

IPC: A24F40/465 ,  A24F40/20

CPC classification number: A24F40/465 ,  A24F40/20 ,  A24F40/65

Abstract: An aerosol generating system including a holder unit that can house, in the interior space thereof, an aerosol source-containing substrate; and an electromagnetic induction source that generates a fluctuating magnetic field in the aforesaid interior space using an alternating current and heats the aerosol source by inductive heating due to the fluctuating magnetic field, wherein the electromagnetic induction source comprises a first layer, a conductor layer that is formed on one surface of the first layer and generates the fluctuating magnetic field, and a second layer that is formed on the aforesaid surface of the first layer so as to cover the conductor layer.

公开(公告)号：US20240023600A1

公开(公告)日：2024-01-25

申请号：US18478550

申请日：2023-09-29

Applicant: JAPAN TOBACCO INC.

Inventor： Reijiro KAWASAKI ,  Shota YAMAGUCHI ,  Hiroshi SHIBUICHI

IPC: A24D1/20 ,  A24D1/02 ,  A24D1/04 ,  A24D3/10 ,  A24F40/20 ,  A24F40/465

CPC classification number: A24D1/20 ,  A24D1/02 ,  A24D1/045 ,  A24D3/10 ,  A24F40/20 ,  A24F40/465

Abstract: Provided is a heat-not-burn flavor inhalation article that is to be used with an electric heating device that comprises an inductor for electromagnetic induction heating. The heat-not-burn flavor inhalation article comprises: a flavor generation segment filler that includes an aerosol base material; a flavor generation segment that includes a plate-shaped susceptor for electromagnetic induction heating the flavor generation segment filler; and a mouthpiece segment for inhaling a flavor component. The compressive change rate of the flavor generation segment and the mouthpiece segment as measured in accordance with a specific compressive change rate measurement method by pressing an airflow-direction center part of each segment is at least 70%.

公开(公告)号：US20240341356A1

公开(公告)日：2024-10-17

申请号：US18752822

申请日：2024-06-25

Applicant: Japan Tobacco Inc.

Inventor： Reijiro KAWASAKI ,  Takahiro SAKAMOTO

IPC: A24F40/40

CPC classification number: A24F40/40

Abstract: An aerosol generation device includes: an accommodating portion provided in a case and configured to accommodate at least a part of an aerosol source; a microwave oscillation unit configured to oscillate microwaves; a power source unit configured to supply electric power to the microwave oscillation unit; an antenna configured to supply the microwaves to the accommodating portion; an isolator connected between the microwave oscillation unit and the accommodating portion; and an air flow path configured to allow air to be taken into the accommodating portion from an outside of the case, in which the isolator includes a circulator that separates incident waves oscillated from the microwave oscillation unit and reflected waves reflected from the accommodating portion.

公开(公告)号：US20240032588A1

公开(公告)日：2024-02-01

申请号：US18478901

申请日：2023-09-29

Applicant: JAPAN TOBACCO INC.

Inventor： Reijiro KAWASAKI ,  Shota YAMAGUCHI ,  Hiroshi SHIBUICHI

IPC: A24D1/20 ,  A24F40/20 ,  A24F40/465 ,  A24D1/04 ,  A24D1/02 ,  A24D3/10 ,  A24D3/17

CPC classification number: A24D1/20 ,  A24F40/20 ,  A24F40/465 ,  A24D1/045 ,  A24D1/02 ,  A24D3/10 ,  A24D3/17

Abstract: A non-combustion heating type flavor inhaler according to the present invention is provided with: an electrical heating type device provided with an inductor for electromagnetic induction heating; and a non-combustion heating type flavor inhalation article. The electrical heating type device is provided with the inductor for electromagnetic induction heating, a power source that supplies operation power to the inductor, a control unit for controlling the inductor, and a heating chamber into which the non-combustion heating type flavor inhalation article can be inserted via an insertion slot. At least two protrusions for securing the non-combustion heating type flavor inhalation article that has been inserted into the chamber are provided on side walls that form the cavity of the chamber, and the height of these protrusions from the side walls is 0.3-2.0 mm, inclusive. The non-combustion heating type flavor inhalation article is such that the compression change rate of each segment, as measured by pressing the airflow-direction central part thereof against a flavor-generating segment and a mouthpiece segment, is 70% or greater.

公开(公告)号：US20240023596A1

公开(公告)日：2024-01-25

申请号：US18478501

申请日：2023-09-29

Applicant: JAPAN TOBACCO INC.

Inventor： Reijiro KAWASAKI ,  Shota YAMAGUCHI ,  Hiroshi SHIBUICHI

IPC: A24D1/02 ,  H05B6/10 ,  A24F40/20 ,  A24F40/465 ,  A24D1/20

CPC classification number: A24D1/02 ,  H05B6/105 ,  A24F40/20 ,  A24F40/465 ,  A24D1/20

Abstract: This non-combustion heating type flavor suction article, which is used together with an electric heating-type device including an inductor for electromagnetic induction heating, comprises: a mouthpiece segment for suctioning a flavor component, the mouthpiece segment having a flavor generation segment including a flavor generation segment filler containing an aerosol base material, and a plate-shaped susceptor for electromagnetic induction heating of the flavor generation segment filler, a cooling segment, and a filter segment positioned downstream of the cooling segment; and a lining sheet including a first sheet material that winds at least a portion of the flavor generation segment and a portion of the cooling segment, and a second sheet material which is disposed outside of the first sheet material and winds at least the entirety of the filter segment and a portion of the cooling segment.