Patents by Inventor Michiko Mae

Michiko Mae 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: 4428936
    Abstract: An antibacterial composition for medical use comprising a cephalosporin or a pharmaceutically acceptable salt thereof and a .beta.-lactamase-inhibiting compound having a .beta.-lactam ring. The composition exhibits synergistic effect which is much greater than the sum of antibacterial effects of each component used alone.
    Type: Grant
    Filed: September 16, 1980
    Date of Patent: January 31, 1984
    Assignee: Toyama Chemical Co., Ltd.
    Inventors: Isamu Saikawa, Takashi Yasuda, Masaru Tai, Yutaka Takashita, Hiroshi Sakai, Michiko Mae, Masahiro Takahata, Susumu Mitsuhashi
  • Patent number: 4324783
    Abstract: An antibacterial composition for medical use comprising 6-[D(-)-.alpha.-(4-ethyl-2,3-dioxo-1-piperazinylcarbonylamino)phenylacetam ido]penicillanic acid or a pharmaceutically acceptable salt thereof and a .beta.-lactamase-inhibiting penicillin or cephalosporin. The composition exhibits synergistic effect which is much greater than the sum of antibacterial effects of each component used alone.
    Type: Grant
    Filed: January 17, 1980
    Date of Patent: April 13, 1982
    Assignee: Toyama Chemical Co., Ltd.
    Inventors: Isamu Saikawa, Takashi Yasuda, Masaru Tai, Yutaka Takashita, Hiroshi Sakai, Michiko Mae, Masahiro Takahata, Susumu Mitsuhashi
  • Patent number: 4199566
    Abstract: An antibacterial composition for medical use comprising 6-[-)-.alpha.-(4-ethyl-2,3-dioxo-1-piperazinylcarbonylamino)phenylacetamid o]penicillanic acid or a pharmaceutically acceptable salt thereof and a .beta.-lactamase-inhibiting penicillin or cephalosporin. The composition exhibits synergistic effect which is much greater than the sum of antibacterial effects of each component used alone.
    Type: Grant
    Filed: June 6, 1978
    Date of Patent: April 22, 1980
    Assignee: Toyama Chemical Company, Limited
    Inventors: Isamu Saikawa, Takashi Yasuda, Masaru Tai, Yutaka Takashita, Hiroshi Sakai, Michiko Mae, Masahiro Takahata, Susumu Mitsuhashi