Patents by Inventor Hidenori Hirashima

Hidenori Hirashima 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).

  • Industrial microbicide and a method for killing microbes for industrial use
    Patent number: 5411990
    Abstract: An industrial microbicide which comprises at least one haloglyoxime derivative of the formula (I): ##STR1## wherein X is a halogen atom; Y is a hydrogen atom, a halogen atom or a lower alkyl group having 1 to 4 carbon atoms; and Z is a hydrogen atom or an optionally halogenated lower alkanoyl group having 1 to 5 carbon atoms; and a known industrial microbicidal ingredient selected from the group consisting of an organonitrogen-sulfur compound, an organohalogen compound, an organonitrogen compound and an organosulfur compound; and optionally a carrier or diluent.
    Type: Grant
    Filed: May 17, 1993
    Date of Patent: May 2, 1995
    Assignees: Yoshitomi Pharmaceutical Industries Ltd., Katayama Chemical Inc.
    Inventors: Katsuji Tsuji, Hidenori Hirashima
  • Industrial microbicide and a method for killing microbes for industrial use
    Patent number: 5397804
    Abstract: An industrial microbicide comprising .alpha.-chlorobenzaldoxime and optionally known industrial microbicidal which is useful for antiseptis or microbicidal of papermaking water in a paper/pulp industry.
    Type: Grant
    Filed: March 19, 1993
    Date of Patent: March 14, 1995
    Assignee: Katayama Chemical Incorporated
    Inventors: Hidenori Hirashima, Yoshimasa Yamada
  • Microbicidal/microbiostatic composition for industrial use
    Patent number: 5026723
    Abstract: A microbicidal/microbistatic synergistic composition for industrial use comprising a specific nitrobromopropane derivative and 4,5-dichloro-1,2-dithiol-3-one and an industrial method of killing or inhibiting the growth of microorganisms using the same compounds, which are useful of microbicidal/microbistatic treatment in various industrial media.
    Type: Grant
    Filed: April 14, 1989
    Date of Patent: June 25, 1991
    Assignee: Katayama Chemical, Inc.
    Inventors: Sakae Katayama, Yosuke Ito, Hidenori Hirashima
  • Microbicidal/microbistatic composition
    Patent number: 4963586
    Abstract: A microbicidal/microbistatic synergistic composition for industrial use comprising a specific nitrobromopropane derivative and 2,2-dibromo-3-nitrilopropionamide and an industrial method of killing or inhibiting the growth of microorganisms using the same compounds, which are useful for microbicidal/microbistatic treatment in various industrial media.
    Type: Grant
    Filed: April 14, 1989
    Date of Patent: October 16, 1990
    Assignee: Katayama Chemical, Inc.
    Inventors: Sakae Katayama, Yosuke Ito, Hidenori Hirashima