Patents by Inventor Kiruko Moriyama

Kiruko Moriyama 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).

  • Process for the production of monopropionyl-josamycin-2
    Patent number: 4001399
    Abstract: Alkanoyl-josamycins having no bitter taste, in which at least one of the two secondary hydroxyl groups of Josamycin is acylated (introduction of alkanoyl group).
    Type: Grant
    Filed: May 23, 1975
    Date of Patent: January 4, 1977
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Takashi Osono, Kiruko Moriyama, Keisuke Murakami, Hamao Umezawa
  • Alkamoyl-josamycins
    Patent number: 3959252
    Abstract: Alkanoyl-josamycins having no bitter taste, in which at least one of the two secondary hydroxyl groups of Josamycin is acylated (introduction of alkanoyl group). The compounds have the same pharmaceutical effect as Josamycin which is effective in inhibiting the growth of Gram-positive bacteria.
    Type: Grant
    Filed: August 21, 1972
    Date of Patent: May 25, 1976
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Takashi Osono, Kiruko Moriyama, Keisuke Murakami, Hamao Umezawa