Patents by Inventor Ryouji Aikawa

Ryouji Aikawa 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).

  • Adsorption, decomposition deodorization element
    Patent number: 6524535
    Abstract: An adsorptive decomposition deodorizing element comprising of a heating unit having an electrical heating unit inserted between laminated mica plates and a deodorizing unit located on the peripheral surface of said heating unit which can be heated very quickly, gives little offensive odor even in the step of regeneration by heating, and has a light weight and an excellent processability.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: February 25, 2003
    Assignee: Nikki-Universal Co., Ltd.
    Inventors: Yoshiki Nakano, Eiki Iida, Ryouji Aikawa