Patents by Inventor Ryugi Akiyama

Ryugi Akiyama 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).

  • CHARGING DEVICE, AIR HANDLING DEVICE, METHOD FOR CHARGING, AND METHOD FOR HANDLING AIR
    Publication number: 20100251889
    Abstract: The present invention relates to a charging device having a charge section (20) for charging a floating particle in an air to be handled, and an air handling device (an air cleaning device) having the charging device. The charge section (20) is constituted by a first charge section (20a) adopting an impact charging technique and a second charge section (20b) adopting a diffusion charging technique. With this structure, charging and collection of dust can be accomplished only in the casing of the device, and therefore, an increase in size of the device can be avoided.
    Type: Application
    Filed: October 8, 2008
    Publication date: October 7, 2010
    Inventors: Shunji Haruna, Toshio Tanaka, Kanji Motegi, Ryugi Akiyama