Patents by Inventor Fumi Mineshiba

Fumi Mineshiba 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).

  • Bactericidal agent composition
    Patent number: 9220799
    Abstract: [Problem] To provide: a bactericidal agent composition which can exhibit an excellent bactericidal effect in the presence of an organic substance and against biofilms; a method for producing the bactericidal agent composition; and a sterilization method using the bactericidal agent composition. [Solution] A bactericidal agent composition which comprises water containing ultrafine bubbles having a most frequent particle diameter of 500 nm or less and a bactericidal component. Preferably, the density of most frequent particles of the ultrafine bubbles are 10,000 particles or more and the density of ultrafine bubbles each having a particle diameter of 1000 nm or less is 1,000,000 particles or more.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: December 29, 2015
    Assignees: SUNSTAR ENGINEERING INC., NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITY, SUNSTAR INC.
    Inventors: Miwa Ishii, Toru Oka, Yoshimitsu Nakayama, Masumi Torii, Masaru Sugimori, Shogo Takashiba, Hiroshi Maeda, Fumi Mineshiba, Kimito Hirai
  • BACTERICIDAL AGENT COMPOSITION
    Publication number: 20150258232
    Abstract: [Problem] To provide: a bactericidal agent composition which can exhibit an excellent bactericidal effect in the presence of an organic substance and against biofilms; a method for producing the bactericidal agent composition; and a sterilization method using the bactericidal agent composition. [Solution] A bactericidal agent composition which comprises water containing ultrafine bubbles having a most frequent particle diameter of 500 nm or less and a bactericidal component. Preferably, the density of most frequent particles of the ultrafine bubbles are 10,000 particles or more and the density of ultrafine bubbles each having a particle diameter of 1000 nm or less is 1,000,000 particles or more.
    Type: Application
    Filed: May 11, 2015
    Publication date: September 17, 2015
    Inventors: Miwa ISHII, Toru OKA, Yoshimitsu NAKAYAMA, Masumi TORII, Masaru SUGIMORI, Shogo TAKASHIBA, Hiroshi MAEDA, Fumi MINESHIBA, Kimito HIRAI
  • BACTERICIDAL AGENT COMPOSITION
    Publication number: 20150010604
    Abstract: [Problem] To provide: a bactericidal agent composition which can exhibit an excellent bactericidal effect in the presence of an organic substance and against biofilms; a method for producing the bactericidal agent composition; and a sterilization method using the bactericidal agent composition. [Solution] A bactericidal agent composition which comprises water containing ultrafine bubbles having a most frequent particle diameter of 500 nm or less and a bactericidal component. Preferably, the density of most frequent particles of the ultrafine bubbles are 10,000 particles or more and the density of ultrafine bubbles each having a particle diameter of 1000 nm or less is 1,000,000 particles or more.
    Type: Application
    Filed: February 22, 2013
    Publication date: January 8, 2015
    Applicants: SUNSTAR ENGINEERING INC., SUNSTAR INC., NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITY
    Inventors: Miwa Ishii, Toru Oka, Yoshimitsu Nakayama, Masumi Torii, Masaru Sugimori, Shogo Takashiba, Hiroshi Maeda, Fumi Mineshiba, Kimito Hirai