Patents by Inventor Kaoru KASAKAWA

Kaoru KASAKAWA 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: 11933032
    Abstract: A chemical feeding device according to the present invention is for attaching to a water tank of a toilet having a tank main body that has an opening in an upper portion and a lid body that covers the opening of the tank main body, the chemical feeding device including a chemical container storing a chemical solution, a flexible tube through which the chemical solution in the chemical container is fed to the water tank, and an attachment member that supports the tube and is configured to be attachable to an edge of the upper opening of the tank main body. The attachment member includes a receiving part in which a recessed part for receiving the chemical solution that drips from the chemical container is formed. In a bottom portion of the recessed part is formed a discharge hole to which the tube is connected.
    Type: Grant
    Filed: September 29, 2022
    Date of Patent: March 19, 2024
    Assignee: Kobayashi Pharmaceutical Co., Ltd.
    Inventors: Kouji Nakatani, Kaoru Kasakawa
  • Patent number: 11701209
    Abstract: An interdental cleaning tool producing method that enables cost reduction is provided. An interdental cleaning tool producing method according to the present invention includes; a first step of preparing a mold provided with at least one first cavity for molding a cleaning tool main body including two supporting pieces that are arranged with a predetermined interval and a handle portion that couples the two supporting pieces and can be held in a hand, the mold being configured such that at least one thread member to span between the two supporting pieces can be arranged in the mold; a second step of arranging the thread member in the mold; a third step of filling the first cavity with a resin material via a gate provided in the mold using a hot runner method; and a fourth step of removing the thread member and the cleaning tool main body fixed to the thread member from the mold.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: July 18, 2023
    Assignee: KOBAYASHI PHARMACEUTICAL CO., LTD.
    Inventor: Kaoru Kasakawa
  • Publication number: 20230135682
    Abstract: Provided is a chemical solution supply device for which an installation location can be easily ensured, and which can stably supply a chemical solution. The chemical solution supply device includes: a container having an inner space in which a chemical solution to be supplied to a toilet bowl is accommodated; and a flexible tube that is in communication with the inner space and defines a passage for guiding the chemical solution to the inside of the toilet bowl, or to the inside of a water tank for supplying washing water to the inside of the toilet bowl.
    Type: Application
    Filed: February 10, 2021
    Publication date: May 4, 2023
    Inventors: Kaoru KASAKAWA, Kouji NAKATANI, Yuji NAKAYAMA, Dan LUO
  • Publication number: 20230119847
    Abstract: Provided is a chemical solution supply device for which an installation location can be easily ensured and which can stably supply a chemical solution. The chemical solution supply device includes a container having an inner space in which a chemical solution to be supplied to a toilet bowl is accommodated, and a guide member that is attached to an upper portion of a side wall portion defining a water flow space in which washing water for washing the toilet bowl flows, and has a guide surface in which one or a plurality of grooves for guiding the chemical solution sent out from the inner space to the water flow space are formed.
    Type: Application
    Filed: February 10, 2021
    Publication date: April 20, 2023
    Inventors: Kaoru KASAKAWA, Kouji NAKATANI, Yuji NAKAYAMA
  • Publication number: 20230094893
    Abstract: A chemical feeding device according to the present invention is for attaching to a water tank of a toilet having a tank main body that has an opening is an upper portion and a lid body that covers the opening of the tank main body, the chemical feeding device including a chemical container storing a chemical solution, a flexible tube through which the chemical solution in the chemical container is fed to the water tank, and an attachment member that supports the tube and is configured to be attachable to an edge of the upper opening of the tank main body. The attachment member has a disposition part that is where the tube is disposed and that guides the tube into the water tank, and the disposition part is formed by at least one of a straight part and a curved part so as to not have a corner.
    Type: Application
    Filed: September 29, 2022
    Publication date: March 30, 2023
    Inventors: Kouji NAKATANI, Kaoru KASAKAWA
  • Publication number: 20230097404
    Abstract: A chemical feeding device according to the present invention is for attaching to a water tank of a toilet having a tank main body that has an opening in an upper portion and a lid body that covers the opening of the tank main body, the chemical feeding device including a chemical container storing a chemical solution, a flexible tube through which the chemical solution in the chemical container is fed to the water tank, and an attachment member that supports the tube and is configured to be attachable to an edge of the upper opening of the tank main body. The attachment member includes a receiving part in which a recessed part for receiving the chemical solution that drips from the chemical container is formed. In a bottom portion of the recessed part is formed a discharge hole to which the tube is connected.
    Type: Application
    Filed: September 29, 2022
    Publication date: March 30, 2023
    Inventors: Kouji NAKATANI, Kaoru KASAKAWA
  • Patent number: 11225009
    Abstract: A manufacturing device of the present invention includes an intermediate molded body mold having a first accommodating space capable of accommodating a plurality of preforms, each preform having a mouth portion and a trunk portion; an intermediate molded body blowing unit configured to blow gas into the plurality of preforms arranged in the first accommodating space to inflate the plurality of preforms, thereby manufacturing an intermediate molded body having a connection portion formed by the trunk portions of the plurality of preforms welded to each other; a final molded body mold having a second accommodating space larger than the first accommodating space; and a final molded body blowing unit configured to blow gas into the intermediate molded body arranged in the second accommodating space to inflate the intermediate molded body, thereby forming an exterior shape of a multiple-chamber container.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: January 18, 2022
    Assignee: NISSEI ASB MACHINE CO., LTD.
    Inventors: Yoshiki Miyazawa, Junji Takahashi, Kaoru Kasakawa
  • Publication number: 20190231496
    Abstract: An interdental cleaning tool producing method that enables cost reduction is provided. An interdental cleaning tool producing method according to the present invention includes; a first step of preparing a mold provided with at least one first cavity for molding a cleaning tool main body including two supporting pieces that are arranged with a predetermined interval and a handle portion that couples the two supporting pieces and can be held in a hand, the mold being configured such that at least one thread member to span between the two supporting pieces can be arranged in the mold; a second step of arranging the thread member in the mold; a third step of filling the first cavity with a resin material via a gate provided in the mold using a hot runner method; and a fourth step of removing the thread member and the cleaning tool main body fixed to the thread member from the mold.
    Type: Application
    Filed: September 29, 2017
    Publication date: August 1, 2019
    Applicant: KOBAYASHI PHARMACEUTICAL CO., LTD.
    Inventor: Kaoru KASAKAWA
  • Publication number: 20180319067
    Abstract: A manufacturing device of the present invention includes an intermediate molded body mold having a first accommodating space capable of accommodating a plurality of preforms, each preform having a mouth portion and a trunk portion; an intermediate molded body blowing unit configured to blow gas into the plurality of preforms arranged in the first accommodating space to inflate the plurality of preforms, thereby manufacturing an intermediate molded body having a connection portion formed by the trunk portions of the plurality of preforms welded to each other; a final molded body mold having a second accommodating space larger than the first accommodating space; and a final molded body blowing unit configured to blow gas into the intermediate molded body arranged in the second accommodating space to inflate the intermediate molded body, thereby forming an exterior shape of a multiple-chamber container.
    Type: Application
    Filed: September 20, 2016
    Publication date: November 8, 2018
    Applicant: Nissei ASB Machine Co., Ltd.
    Inventors: Yoshiki MIYAZAWA, Junji TAKAHASHI, Kaoru KASAKAWA