Patents by Inventor Koichi Setoyama

Koichi Setoyama 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).

  • Method for drying lumber, method of impregnating lumber with chemicals, and drying apparatus
    Patent number: 8096064
    Abstract: A method for drying lumber in a short time with less use of energy. The method of drying lumber includes: enclosing lumber in a batch container having a pressure release valve; filling fluid into the batch container under pressure; maintaining a temperature and a pressure at or above a critical point of the fluid for a certain period of time; and then opening the pressure release valve of the batch container to reduce the internal pressure to atmospheric pressure.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: January 17, 2012
    Assignee: Forestry and Forest Products Research Institute
    Inventors: Masahiro Matsunaga, Koichi Setoyama, Yutaka Kataoka, Hiroaki Matsui, Hiroshi Matsunaga, Takeshi Fujiwara
  • Method for drying lumber, method of impregnating lumber with chemicals, and drying apparatus
    Publication number: 20080178490
    Abstract: A method for drying lumber in a short time with less use of energy. The method of drying lumber includes: enclosing lumber in a batch container having a pressure release valve; filling fluid into the batch container under pressure; maintaining a temperature and a pressure at or above a critical point of the fluid for a certain period of time; and then opening the pressure release valve of the batch container to reduce the internal pressure to atmospheric pressure.
    Type: Application
    Filed: December 17, 2007
    Publication date: July 31, 2008
    Inventors: Masahiro Matsunaga, Koichi Setoyama, Yutaka Kataoka, Hiroaki Matsui, Hiroshi Matsunaga, Takeshi Fujiwara