Patents by Inventor Masahiro Maesawa

Masahiro Maesawa 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).

  • Anilide-based compounds for preserving wood and method of use thereof
    Patent number: 8785662
    Abstract: The present invention relates to a preservative for preserving wood comprising 5-methyl-2-trifluoromethylfuran-3-carboxylic acid anilide derivative represented by the following formula, wherein R represents an iropropyl group or an isopropoxy group as an active ingredient. The preservative for preserving wood has an excellent preservative effect on various wood-decay fungi at an extremely low dose, is economically efficient, and imposes a small burden on the environment. The present invention also relates to a method for treating wood using the preservative.
    Type: Grant
    Filed: May 12, 2010
    Date of Patent: July 22, 2014
    Assignee: SDS Biotech K.K.
    Inventors: Keijitsu Tanaka, Masahiro Maesawa
  • PRESERVATIVE FOR PRESERVING WOOD AND METHOD FOR TREATING WOOD
    Publication number: 20130059014
    Abstract: The present invention relates to a preservative for preserving wood comprising 5-methyl-2-trifluoromethylfuran-3-carboxylic acid anilide derivative represented by the following formula, wherein R represents an iropropyl group or an isopropoxy group as an active ingredient. The preservative for preserving wood has an excellent preservative effect on various wood-decay fungi at an extremely low dose, is economically efficient, and imposes a small burden on the environment. The present invention also relates to a method for treating wood using the preservative.
    Type: Application
    Filed: May 12, 2010
    Publication date: March 7, 2013
    Applicant: SDS BIOTECH K. K.
    Inventors: Keijitsu Tanaka, Masahiro Maesawa
  • WOOD PRESERVATIVE AND WOOD PROCESSING METHOD
    Publication number: 20110256238
    Abstract: The present invention relates to a wood preservative containing as an active ingredient 3?-isopropyl-2-trifluoromethyl benzoic acid anilide represented by the formula below and a wood treatment method using the same. The present invention can provide a wood preservative having excellent preservation effect on various wood-destroying fungi with a very small chemical dosage and a wood treatment method, which are economical and have a small environmental load.
    Type: Application
    Filed: December 24, 2009
    Publication date: October 20, 2011
    Applicant: SDS BIOTECH K.K.
    Inventors: Keijitsu Tanaka, Masahiro Maesawa