Patents by Inventor Katsuji Kurabayashi

Katsuji Kurabayashi 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: 7258793
    Abstract: In a method and apparatus for treating an organic liquid waste with a biofilm, the organic liquid waste is dissolved with oxygen under a first pressure higher than an atmospheric pressure to prepare a pressurized oxygen-dissolved organic liquid waste. The pressurized oxygen-dissolved organic liquid waste is depressurized to prepare a depressurized oxygen-dissolved organic liquid waste. The depressurized oxygen-dissolved organic liquid waste contacts the biofilm to prepare a treated organic liquid waste.
    Type: Grant
    Filed: July 22, 2005
    Date of Patent: August 21, 2007
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Katsuji Kurabayashi, Ikuo Hoshino, Yoshihiro Kikka, Masaya Iwamoto
  • Publication number: 20060060528
    Abstract: In a method and apparatus for treating an organic liquid waste with a biofilm, the organic liquid waste is dissolved with oxygen under a first pressure higher than an atmospheric pressure to prepare a pressurized oxygen-dissolved organic liquid waste. The pressurized oxygen-dissolved organic liquid waste is depressurized to prepare a depressurized oxygen-dissolved organic liquid waste. The depressurized oxygen-dissolved organic liquid waste contacts the biofilm to prepare a treated organic liquid waste.
    Type: Application
    Filed: July 22, 2005
    Publication date: March 23, 2006
    Applicant: Oki Electric Industry Co., Ltd.
    Inventors: Katsuji Kurabayashi, Ikuo Hoshino, Yoshihiro Kikka, Masaya Iwamoto