Patents by Inventor Yoshihiro Nozawa

Yoshihiro Nozawa 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: 9132392
    Abstract: The invention is a column contact apparatus for contacting gas with liquid in an upflow in a column container, containing two or more stages of honeycomb structural bodies in the column container in a vertical direction, a space portion formed between the respective stages of the honeycomb structural bodies and a flow-aligning portion as back-flow prevention means provided in the space portion between the respective stages such that the flow-aligning portion is not brought into contact with the honeycomb structural bodies, the flow-aligning portion including a plurality of holes with hole diameters of 0.5 mm to 8 mm.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: September 15, 2015
    Assignee: KAO CORPORATION
    Inventors: Takeshi Narushima, Yoichi Endo, Yoshihiro Nozawa, Minoru Goto, Toru Ugajin, Hiroyuki Shiomi, Kunio Matsui, Yasumitsu Sakuma
  • Publication number: 20130259774
    Abstract: The invention is a column contact apparatus for contacting gas with liquid in an upflow in a column container, containing two or more stages of honeycomb structural bodies in the column container in a vertical direction, a space portion formed between the respective stages of the honeycomb structural bodies and a flow-aligning portion as back-flow prevention means provided in the space portion between the respective stages such that the flow-aligning portion is not brought into contact with the honeycomb structural bodies, the flow-aligning portion including a plurality of holes with hole diameters of 0.5 mm to 8 mm.
    Type: Application
    Filed: December 19, 2011
    Publication date: October 3, 2013
    Applicant: KAO CORPORATION
    Inventors: Takeshi Narushima, Yoichi Endo, Yoshihiro Nozawa, Minoru Goto, Toru Ugajin, Hiroyuki Shiomi, Kunio Matsui, Yasumitsu Sakuma