Patents by Inventor Takayuki Tsukada

Takayuki Tsukada 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).

  • Stable freeze-dried preparations of an anticancer platinum complex
    Patent number: 4767874
    Abstract: Stable freeze-dried preparations of an anticancer platinum complex, i.e. glycolato-cis-diammineplatinum (II), containing at least one member selected from the group consisting of glucan, water-soluble vinyl polymer, and polyethylene glycol as stabilizers, are very useful in the treatment of various cancers.
    Type: Grant
    Filed: September 10, 1986
    Date of Patent: August 30, 1988
    Assignee: Shionogi & Co., Ltd.
    Inventors: Kazuhiro Shima, Takayuki Tsukada, Hirotane Kagawa
  • Stable antibacterial lyophilizates
    Patent number: 4616083
    Abstract: A lyophilized preparation of 7.beta.-difluoromethylthioacetamido-7.alpha.-methoxy-3-[1-(2-hydroxyalkyl) -1H-tetrazol-5-yl]-thiomethyl-1-dethia-1-oxa-3-cephem-4-carboxylic acid alkali metal salt containing glucose, fructose, maltose, or an alkali metal salt of mineral acid or carboxylic acid as a stabilizer.
    Type: Grant
    Filed: August 17, 1984
    Date of Patent: October 7, 1986
    Assignee: Shionogi & Co., Ltd.
    Inventors: Kazuhiro Shima, Masayoshi Inoue, Takayuki Tsukada