Patents by Inventor Tomoyuki Iwahi

Tomoyuki Iwahi 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).

  • Patent number: 5013743
    Abstract: The compound represented by the formula; ##STR1## [wherein R.sup.1 stands for hydrogen, methoxy or trifluoromethyl; R.sup.2 and R.sup.3, being the same or different from each other, stand for hydrogen or methyl; R.sup.4 stands for optionally substituted hydrocarbon residue; and n denotes 0 or 1] or a salt thereof show excellent antibacterial activities, against the genus Campylobacter, especially against Campylobacter pylori, and they are used for preventing or treating infectious diseases caused by the said bacteria.
    Type: Grant
    Filed: February 12, 1990
    Date of Patent: May 7, 1991
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Tomoyuki Iwahi, Hiroshi Satoh