Patents by Inventor Yuiko WADA

Yuiko WADA 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: 20240059541
    Abstract: A content-filling system (10) includes a water sterilization line (50) that sterilizes water without heating, an undiluted-solution sterilization line (70) that heats and sterilizes a product undiluted solution, and a filling device (20) that is connected to the water sterilization line (50) and the undiluted-solution sterilization line (70) and that fills the water and the product undiluted solution in bottles (100).
    Type: Application
    Filed: August 25, 2023
    Publication date: February 22, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Atsushi HAYAKAWA, Yukinori YAMAMOTO, Yuiko WADA, Junichi MURAKAMI, Takahiro FUJINO, Yoshitaka INOUE
  • Patent number: 11643317
    Abstract: To make a sterilization step appropriate in an aseptic filling apparatus. Provided is an aseptic filling apparatus including a step of sterilizing a preform and a step of sterilizing a container obtained by molding the preform, wherein assuming sterilization effects in the respective sterilization steps as X [LRV] and Y [LRV], a relationship of 5?X+Y?10 (where Y?0) is established.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: May 9, 2023
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi Hayakawa, Yuiko Wada
  • Patent number: 11465330
    Abstract: A step of letting a preform made of resin adsorb a sterilizer, a step of sterilizing the preform by heating the preform having adsorbed the sterilizer to a temperature suitable for a blow-molding treatment to activate the sterilizer adsorbed by the preform and a step of shaping the preform into a bottle by blowing aseptic air into the preform in a mold are performed sequentially. According to the above-mentioned steps, the sterilizer does not enter a blow-molding machine.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: October 11, 2022
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi Hayakawa, Yuiko Wada
  • Publication number: 20220274310
    Abstract: A step of letting a preform made of resin adsorb a sterilizer, a step of sterilizing the preform by heating the preform having adsorbed the sterilizer to a temperature suitable for a blow-molding treatment to activate the sterilizer adsorbed by the preform and a step of shaping the preform into a bottle by blowing aseptic air into the preform in a mold are performed sequentially. According to the above-mentioned steps, the sterilizer does not enter a blow-molding machine.
    Type: Application
    Filed: May 18, 2022
    Publication date: September 1, 2022
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi HAYAKAWA, Yuiko WADA
  • Publication number: 20220127125
    Abstract: A container sterilizing device (11) includes a transport mechanism (40) that transports a container (100) and a supply unit (50) that supplies a sterilizing agent to the container (100) that is being transported by the transport mechanism (40). The supply unit (50) includes a nozzle (51) for spraying the sterilizing agent. The nozzle (51) does not move in a vertical direction and, without being inserted into the container (100), moves in synchronization with the container (100) that is being transported by the transport mechanism (40).
    Type: Application
    Filed: February 21, 2020
    Publication date: April 28, 2022
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi HAYAKAWA, Yuiko WADA
  • Patent number: 11173647
    Abstract: A heating apparatus and a heating method for preforms are provided which eliminate poor sterilization of a mouth portion of a preform to which a disinfectant has been blown. The heating apparatus includes a heating section that heats the preform is provided with a mouth portion heating section, and a mouth portion of the preform is heated to a temperature in a range of 50° C. to 70° C.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: November 16, 2021
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi Hayakawa, Yuiko Wada
  • Patent number: 11110641
    Abstract: To provide a method and an apparatus for sterilizing a preform that can reduce the amount of the remaining hydrogen peroxide in sterilization of a preform, a sterilizer at least containing 30% by mass or less of hydrogen peroxide and a solvent having a boiling point of 85° C. or lower is gasified, the sterilizer gas is blasted to the preform, and the preform to which the sterilizer has been blasted is heated to a temperature suitable for molding by blasting hot air or without blasting hot air. Alternatively, after the preform is irradiated with light containing ultraviolet rays, the sterilizer gas is blasted to the preform, and the preform is heated to a temperature suitable for molding.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: September 7, 2021
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi Hayakawa, Yuiko Wada
  • Publication number: 20210107780
    Abstract: To make a sterilization step appropriate in an aseptic filling apparatus. Provided is an aseptic filling apparatus including a step of sterilizing a preform and a step of sterilizing a container obtained by molding the preform, wherein assuming sterilization effects in the respective sterilization steps as X [LRV] and Y [LRV], a relationship of 5?X+Y?10 (where Y?0) is established.
    Type: Application
    Filed: April 6, 2018
    Publication date: April 15, 2021
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi HAYAKAWA, Yuiko WADA
  • Patent number: 10875756
    Abstract: A bottle is conveyed to a filling device without being sterilized by a container sterilizer, and a culture medium is filled inside the bottle by using the filling device. Then, the bottle is capped with a cap using a cap attachment device. Thereafter, whether or not bacteria survive or propagate in the culture medium in the bottle is verified.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: December 29, 2020
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Atsushi Hayakawa, Yuiko Wada, Ryuichi Tamagawa, Tsubasa Tokimoto
  • Publication number: 20200139608
    Abstract: A heating apparatus and a heating method for preforms are provided which eliminate poor sterilization of a mouth portion of a preform to which a disinfectant has been blown. A heating section that heats the preform is provided with a mouth portion heating section, and a mouth portion of the preform is heated to a temperature from 50° C. to 70° C.
    Type: Application
    Filed: June 20, 2018
    Publication date: May 7, 2020
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi HAYAKAWA, Yuiko WADA
  • Patent number: 10449708
    Abstract: A method of sterilizing a bottle includes steps of: sterilizing bacteria adhering to a preform (1) made of resin by gasifying a sterilizer, discharging a sterilized gas (G) from a nozzle (6) toward a preform, now traveling, so as to adhere to the preform (1); activating the sterilizer adhering to the preform by blasting hot air (P) to the preform; sterilizing the bacteria adhering to the preform, and removing the sterilizer adhering to the preform (1); heating the preform to a temperature suitable for blow-molding treatment; and blow-molding the preform within a mold (4) to mold the preform into a bottle (2), wherein the above steps are performed sequentially in order. According to the above-mentioned steps, the sterilizer does not enter a blow-molding machine.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: October 22, 2019
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi Hayakawa, Yuiko Wada
  • Patent number: 10442669
    Abstract: It is possible to shorten a time before starting a drink filling working and a time for manufacturing a product.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: October 15, 2019
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi Hayakawa, Yuiko Wada
  • Publication number: 20190202106
    Abstract: A method of sterilizing a bottle includes steps of: sterilizing bacteria adhering to a preform (1) made of resin by gasifying a sterilizer, discharging a sterilized gas (G) from a nozzle (6) toward a preform, now traveling, so as to adhere to the preform (1); activating the sterilizer adhering to the preform by blasting hot air (P) to the preform; sterilizing the bacteria adhering to the preform, and removing the sterilizer adhering to the preform (1); heating the preform to a temperature suitable for blow-molding treatment; and blow-molding the preform within a mold (4) to mold the preform into a bottle (2), wherein the above steps are performed sequentially in order. According to the above-mentioned steps, the sterilizer does not enter a blow-molding machine.
    Type: Application
    Filed: March 8, 2019
    Publication date: July 4, 2019
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi HAYAKAWA, Yuiko WADA
  • Publication number: 20190176385
    Abstract: To provide a method and an apparatus for sterilizing a preform that can reduce the amount of the remaining hydrogen peroxide in sterilization of a preform. A sterilizer at least containing 30% by mass or less of hydrogen peroxide and a solvent having a boiling point of 85° C. or lower is gasified, the sterilizer gas is blasted to the preform, and the preform to which the sterilizer has been blasted is heated to a temperature suitable for molding by blasting hot air or without blasting hot air. Alternatively, after the preform is irradiated with light containing ultraviolet rays, the sterilizer gas is blasted to the preform, and the preform is heated to a temperature suitable for molding.
    Type: Application
    Filed: June 21, 2017
    Publication date: June 13, 2019
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi HAYAKAWA, Yuiko WADA
  • Patent number: 10293540
    Abstract: A method of sterilizing a bottle includes steps of: sterilizing bacteria adhering to a preform made of resin by gasifying a sterilizer, discharging a sterilized gas from a nozzle toward a preform, now traveling, so as to adhere to the preform; activating the sterilizer adhering to the preform by blasting hot air to the preform; sterilizing the bacteria adhering to the preform, and removing the sterilizer adhering to the preform; heating the preform to a temperature suitable for blow-molding treatment; and blow-molding the preform within a mold to mold the preform into a bottle, wherein the above steps are performed sequentially in order. According to the above-mentioned steps, the sterilizer does not enter a blow-molding machine.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: May 21, 2019
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi Hayakawa, Yuiko Wada
  • Publication number: 20190071297
    Abstract: A bottle is conveyed to a filling device without being sterilized by a container sterilizer, and a culture medium is filled inside the bottle by using the filling device. Then, the bottle is capped with a cap using a cap attachment device. Thereafter, whether or not bacteria survive or propagate in the culture medium in the bottle is verified.
    Type: Application
    Filed: March 7, 2017
    Publication date: March 7, 2019
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Atsushi HAYAKAWA, Yuiko WADA, Ryuichi TAMAGAWA, Tsubasa TOKIMOTO
  • Patent number: 10137217
    Abstract: A method of sterilizing a preform includes steps of: sterilizing bacteria adhering to a preform (1) made of resin by gasifying a sterilizer, discharging a sterilized gas (G) from a nozzle (6) toward a preform (1), now traveling, so as to adhere to the preform (1); activating the sterilizer adhering to the preform (1) by blasting hot air (P) to the preform; and sterilizing bacteria adhering to the preform, and removing the sterilizer adhering to the preform (1), wherein the above steps are performed sequentially in order. According to the above-mentioned steps, the sterilizer does not enter a blow-molding machine.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: November 27, 2018
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi Hayakawa, Yuiko Wada
  • Publication number: 20160263269
    Abstract: A method of sterilizing a preform includes steps of: sterilizing bacteria adhering to a preform (1) made of resin by gasifying a sterilizer, discharging a sterilized gas (G) from a nozzle (6) toward a preform (1), now traveling, so as to adhere to the preform (1); activating the sterilizer adhering to the preform (1) by blasting hot air (P) to the preform; and sterilizing bacteria adhering to the preform, and removing the sterilizer adhering to the preform (1), wherein the above steps are performed sequentially in order. According to the above-mentioned steps, the sterilizer does not enter a blow-molding machine.
    Type: Application
    Filed: November 13, 2014
    Publication date: September 15, 2016
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi HAYAKAWA, Yuiko WADA
  • Publication number: 20160257054
    Abstract: A method of sterilizing a bottle includes steps of: sterilizing bacteria adhering to a preform (1) made of resin by gasifying a sterilizer, discharging a sterilized gas (G) from a nozzle (6) toward a preform, now traveling, so as to adhere to the preform (1); activating the sterilizer adhering to the preform by blasting hot air (P) to the preform; sterilizing the bacteria adhering to the preform, and removing the sterilizer adhering to the preform (1); heating the preform to a temperature suitable for blow-molding treatment; and blow-molding the preform within a mold (4) to mold the preform into a bottle (2), wherein the above steps are performed sequentially in order. According to the above-mentioned steps, the sterilizer does not enter a blow-molding machine.
    Type: Application
    Filed: November 13, 2014
    Publication date: September 8, 2016
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi HAYAKAWA, Yuiko WADA
  • Publication number: 20160257055
    Abstract: A step of letting a preform (1) made of resin adsorb a sterilizer, a step of sterilizing the preform (1) by heating the preform (1) having adsorbed the sterilizer to a temperature suitable for a blow-molding treatment to activate the sterilizer adsorbed by the preform (1) and a step of shaping the preform (1) into a bottle (2) by blowing aseptic air into the preform (1) in a mold (4) are performed sequentially. According to the above-mentioned steps, the sterilizer does not enter a blow-molding machine.
    Type: Application
    Filed: November 13, 2014
    Publication date: September 8, 2016
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Atsushi HAYAKAWA, Yuiko WADA