Patents by Inventor Kazumi Konya

Kazumi Konya 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).

  • Agents for controlling underwater fouling organisms
    Patent number: 5342547
    Abstract: The present invention relates to an underwater anti-fouling composition which contains at least one indole compound represented by the Formula (1) which serves as an underwater anti-fouling agent: ##STR1## wherein Y is selected from the group consisting of hydrogen, lower alkyl and phenyl; and wherein X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5 and X.sup.6 are independently selected from the group consisting of hydrogen, halogen, lower alkyl, lower alkoxy, nitro, cyano, cyano lower alkyl, halogenated lower alkyl, substituted or unsubstituted phenyl, aralkyl, aralkyloxy, lower alkoxycarbonyl, aliphatic lower acyl, aliphatic lower acyloxy, lower alkoxycarbonyl-lower alkyl, aromatic acyl, lower-cycloalkylamino-lower alkyl, nitrovinyl, pyridyl lower alkyl, carbamoyl lower alkyl, carbamoyl, diallylamino lower alkyl and di-lower-alkylamino-lower alkyl.
    Type: Grant
    Filed: January 13, 1993
    Date of Patent: August 30, 1994
    Assignee: Marine Biotechnology Institute Co., Ltd.
    Inventors: Kazumi Konya, Nobuyoshi Shimizu, Wataru Miki
  • Process for preparation of black coloring materials and application thereof: chitosan treated with black extract of lithospermum root
    Patent number: 5244469
    Abstract: A novel black coloring material is obtained by treating a chitosan with a dyestuff of the lithospermum root. If a water-insoluble chitosan is used as the chitosan, a finely divided black coloring material is obtained, and if a gelatinous chitosan salt is used as the chitosan, a gelatinous black coloring material is obtained. If a water-soluble chitosan, chitosan oligosaccharide or D-glucosamine, or a salt thereof is used as the chitosan, a liquid black coloring material is obtained. If a powdery polymeric substance is treated with such a black coloring material, a polymer-based black coloring material is obtained, and if a fiber is dyed with such a black coloring material, the fiber is dyed to a black color having a low lightness.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: September 14, 1993
    Assignee: Ihara Chemical Industry Co., Ltd.
    Inventors: Susumu Shimoyama, Yasuko Noda, Ujo Maeda, Tasuku Shimoyama, Kunio Kataoka, Eiichi Eto, Mieko Goto, Yoshio Hara, Satoru Shimoyama, Keiko Maeda, Kazumi Konya
  • Stabilized non-medical fungicidal, bactericidal and algicidal composition
    Patent number: 4022605
    Abstract: A halocyanoacetamide compound having the formula: ##STR1## wherein X is a halogen such as Cl, F, Br and I; Y represents a halogen such as chlorine, fluorine, bromine and iodine or hydrogen atom; andR represents a hydrogen atom or a lower alkyl group containing from 1 to 8 carbon atoms, is stabilized with an organic carboxylic acid or a diol.
    Type: Grant
    Filed: June 25, 1975
    Date of Patent: May 10, 1977
    Assignee: Kumiai Chemical Industry Co., Ltd.
    Inventors: Kazumi Konya, Yoshihiro Konagai, Makoto Muto, Hironari Sato, Yoshio Takahashi
  • Stabilized non-medical fungicidal, bactericidal and algicidal composition
    Patent number: RE29826
    Abstract: A halocyanoacetamide compound having the formula: ##STR1## wherein X is a halogen such as Cl, F, Br and I; Y represents a halogen such as chlorine, fluorine, bromine and iodine or hydrogen atom; andR represents a hydrogen atom or a lower alkyl group containing from 1 to 8 carbon atoms, is stabilized with an organic carboxylic acid or a diol.
    Type: Grant
    Filed: October 5, 1977
    Date of Patent: November 7, 1978
    Assignee: Kumiai Chemical Industry Co., Ltd.
    Inventors: Kazumi Konya, Yoshihiro Konagai, Makoto Muto, Hironari Sato, Yoshio Takahashi