Patents by Inventor Hiroaki Koba

Hiroaki Koba 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: 7226354
    Abstract: A cabinet wherein air sucked from an inlet opening 4d of a shelf board combined inlet duct 4 by drive of an air purification unit 3 is passed through the shelf board combined inlet duct 4 and introduced into the inside of a case 3a, and by a dust collection filter 32 and an odor eliminating means 33. Air forced into the shelf board combined outlet duct 5 through the air duct 10 is exhausted through an outlet opening 5d of the shelf board combined outlet duct 5, and air curtain is formed along the opening of the storage section 11 of a cabinet 1. Therefore, air in the storage section 11 of the cabinet 1 is circulated and purified, while getting caught in a circulating airflow including the air curtain.
    Type: Grant
    Filed: May 29, 2002
    Date of Patent: June 5, 2007
    Assignee: Kongo Kabushiki Kaisha
    Inventors: Tomoyuki Kawano, Toshihiro Higashi, Hiroaki Koba, Ichiro Ikenaga, Kazuya Tokunaga, Satoru Yoshimitsu, Hitoshi Shibuya
  • Patent number: 6848989
    Abstract: An environmental improvement device for a storage body and more particularly to a simplified, but highly effective device of that type wherein the stored articles are protected by a circulating flow of purified air that also prevents the entry of foreign objects into the storage area.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: February 1, 2005
    Assignee: Kongo Kabushiki Kaisha
    Inventors: Kunio Miyazaki, Tomoyuki Kawano, Ichiro Ikenaga, Kazuya Tokunaga, Toshihiro Higashi, Hiroaki Koba
  • Publication number: 20040166796
    Abstract: An environmental improvement device for a storage body and more particularly to a simplified, but highly effective device of that type wherein the stored articles are protected by a circulating flow of purified air that also prevents the entry of foreign objects into the storage area.
    Type: Application
    Filed: May 20, 2003
    Publication date: August 26, 2004
    Applicant: KONGO KABUSHIKI KAISHA
    Inventors: Kunio Miyazaki, Tomoyuki Kawano, Ichiro Ikenaga, Kazuya Tokunaga, Toshihiro Higashi, Hiroaki Koba
  • Publication number: 20040038641
    Abstract: Storage with air purification function that can prevent the invasion of particles, harmful insects, or the like from the opening of the storage section and pollution of air in the storage section is provided.
    Type: Application
    Filed: May 8, 2003
    Publication date: February 26, 2004
    Inventors: Tomoytuki Kawano, Toshihiro Higashi, Hiroaki Koba, Ichiro Ikenaga, Kazuya Tokunaga, Satoru Yoshimitsu, Hitoshi Shibuya