Patents by Inventor Yasuhiro Takigawa

Yasuhiro Takigawa 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: 11414767
    Abstract: The present invention provides a chlorine dioxide manufacturing device that can accurately control the amount of chlorine dioxide produced. The present invention provides a chlorine dioxide gas manufacturing device comprising an electrolysis chamber, a liquid surface level measuring chamber, and a bubbling gas feeding device. The electrolysis chamber and the liquid surface level measuring chamber each comprises an electrolytic solution and a gas, wherein the electrolytic solution comprises an aqueous chlorite solution, and the electrolysis chamber and the liquid surface level measuring chamber are joined to each other above each liquid surface via a gas piping and joined to each other below each liquid surface via an electrolytic solution piping so that the height of the electrolytic solutions contained in each chamber are substantially equal.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: August 16, 2022
    Assignee: Taiko Pharmaceutical Co., Ltd.
    Inventors: Kazuki Matsubara, Yasuhiro Takigawa, Kazuhiko Taguchi, Shigeo Asada, Kouichi Taura, Koichi Nakahara, Daisuke Kato
  • Publication number: 20210372008
    Abstract: A nanofiber production apparatus is provided having: a nanofiber generation device equipped with a liquid discharge nozzle for discharging a polymer solution in which a polymer has been dissolved in a solvent, and a hot air discharge nozzle for discharging a high-temperature, high-speed gas at high pressure; and a collection device for suctioning and collecting nanofibers generated by the nanofiber generation device. A flow path suppression means is provided between the nanofiber generation device and the nanofiber collection device, said flow path suppression means causing the nanofibers generated by the nanofiber generation device to float so that the flow of nanofibers generated by the nanofiber generation device do not directly fly straight into the nanofiber collection device.
    Type: Application
    Filed: October 9, 2019
    Publication date: December 2, 2021
    Inventors: Morihiko IKEGAYA, Hiroyoshi SOTA, Yasuhiro TAKIGAWA
  • Publication number: 20200354841
    Abstract: The present invention provides a chlorine dioxide manufacturing device that can accurately control the amount of chlorine dioxide produced. The present invention provides a chlorine dioxide gas manufacturing device comprising an electrolysis chamber, a liquid surface level measuring chamber, and a bubbling gas feeding device. The electrolysis chamber and the liquid surface level measuring chamber each comprises an electrolytic solution and a gas, wherein the electrolytic solution comprises an aqueous chlorite solution, and the electrolysis chamber and the liquid surface level measuring chamber are joined to each other above each liquid surface via a gas piping and joined to each other below each liquid surface via an electrolytic solution piping so that the height of the electrolytic solutions contained in each chamber are substantially equal.
    Type: Application
    Filed: July 16, 2020
    Publication date: November 12, 2020
    Applicant: Taiko Pharmaceutical Co., Ltd.
    Inventors: Kazuki Matsubara, Yasuhiro Takigawa, Kazuhiko Taguchi, Shigeo Asada, Kouichi Taura, Koichi Nakahara, Daisuke Kato
  • Patent number: 10753004
    Abstract: The present invention provides a chlorine dioxide manufacturing device that can accurately control the amount of chlorine dioxide produced. The present invention provides a chlorine dioxide gas manufacturing device comprising an electrolysis chamber, a liquid surface level measuring chamber, and a bubbling gas feeding device. The electrolysis chamber and the liquid surface level measuring chamber each comprises an electrolytic solution and a gas and the electrolysis chamber and the liquid surface level measuring chamber are joined to each other above each liquid surface via a gas piping and joined to each other below each liquid surface via an electrolytic solution piping so that the height of the electrolytic solutions contained in each chamber are substantially equal.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: August 25, 2020
    Assignee: Taiko Pharmaceuticals Co., Ltd.
    Inventors: Kazuki Matsubara, Yasuhiro Takigawa, Kazuhiko Taguchi, Shigeo Asada, Kouichi Taura, Koichi Nakahara, Daisuke Kato
  • Patent number: 10239032
    Abstract: The present invention provides a chlorine dioxide generation unit that can release practically sufficient amount of chlorine dioxide for an extended period of time while being compact. The present invention provides a chlorine dioxide generation unit, characterized in that said unit comprises an agent storage space portion and at least two light source portions, said light source portion is for generating light consisting of wavelengths substantially in the visible region, said agent storage space portion stores an agent comprising solid chlorite, and said agent storage space portion comprises one or more openings so that air could move in and out of said agent storage space portion, wherein chlorine dioxide gas is generated by irradiating said light generated from said light source portion onto said agent present inside said agent storage space portion.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: March 26, 2019
    Assignee: Taiko Pharmaceutical Co., Ltd.
    Inventors: Yasuhiro Takigawa, Koichi Nakahara, Daisuke Kato, Kazuhiko Taguchi, Kazuki Matsubara, Koshiro Sogawa, Kouichi Taura, Miyusse Sakasegawa
  • Publication number: 20170253980
    Abstract: The present invention provides a chlorine dioxide manufacturing device that can accurately control the amount of chlorine dioxide produced. The present invention provides a chlorine dioxide gas manufacturing device comprising an electrolysis chamber, a liquid surface level measuring chamber, and a bubbling gas feeding device. The electrolysis chamber and the liquid surface level measuring chamber each comprises an electrolytic solution and a gas and the electrolysis chamber and the liquid surface level measuring chamber are joined to each other above each liquid surface via a gas piping and joined to each other below each liquid surface via an electrolytic solution piping so that the height of the electrolytic solutions contained in each chamber are substantially equal.
    Type: Application
    Filed: August 31, 2015
    Publication date: September 7, 2017
    Applicant: Taiko Pharmaceutical Co., Ltd.
    Inventors: Kazuki Matsubara, Yasuhiro Takigawa, Kazuhiko Taguchi, Shigeo Asada, Kouichi Taura, Koichi Nakahara, Daisuke Kato
  • Publication number: 20170028371
    Abstract: The present invention provides a chlorine dioxide generation unit that can release practically sufficient amount of chlorine dioxide for an extended period of time while being compact. The present invention provides a chlorine dioxide generation unit, characterized in that said unit comprises an agent storage space portion and at least two light source portions, said light source portion is for generating light consisting of wavelengths substantially in the visible region, said agent storage space portion stores an agent comprising solid chlorite, and said agent storage space portion comprises one or more openings so that air could move in and out of said agent storage space portion, wherein chlorine dioxide gas is generated by irradiating said light generated from said light source portion onto said agent present inside said agent storage space portion.
    Type: Application
    Filed: December 19, 2014
    Publication date: February 2, 2017
    Inventors: Yasuhiro Takigawa, Koichi Nakahara, Daisuke Kato, Kazuhiko Taguchi, Kazuki Matsubara, Koshiro Sogawa, Kouichi Taura, Miyusse Sakasegawa