Patents by Inventor Katsuaki Ichise

Katsuaki Ichise 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).

  • N-substituted triazole derivatives and fungicidal use thereof
    Patent number: 5081139
    Abstract: An N-substituted triazole compound of the formula: ##STR1## wherein Ph is a phenyl group or a phenyl group substituted with one or two halogen atoms, R.sup.1 is a C.sub.1 -C.sub.3 alkyl group, R.sup.2 is a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group, R.sup.3 is a C.sub.1 -C.sub.8 alkyl group, a C.sub.4 -C.sub.8 cycloalkylalkyl group or a C.sub.3 -C.sub.6 cycloalkyl group and n is 0, 1 or 2, or an acid addition salt thereof, which is useful as an antifungal agent.
    Type: Grant
    Filed: October 2, 1985
    Date of Patent: January 14, 1992
    Assignee: Sumitomo Pharmaceuticals Company, Limited
    Inventors: Ikutaro Saji, Yoshihiro Tanaka, Katsuaki Ichise, Tomoharu Tanio, Takao Okuda, Toshio Atsumi
  • Antifungal imidazolylcarboxylic acids and their derivatives
    Patent number: 4461774
    Abstract: An imidazolylcarboxylic acid compound of the formula: ##STR1## wherein Ph is a phenyl group or a phenyl group substituted with one or two halogen atoms, R is a hydrogen atom or a C.sub.1 -C.sub.8 alkyl group and n is an integer of 1 to 8, which is useful as an antifungal agent.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: July 24, 1984
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Ikutaro Saji, Hiroshi Yamazaki, Shunji Aono, Katsuaki Ichise, Takao Okuda