Patents by Inventor Yoko Nishida

Yoko Nishida 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: 6583164
    Abstract: The composition of the present invention comprises a quaternized nitrogen-containing imidazole-1-yl or 1,2,4-triazole-1-yl compound wherein one of the nitrogen atoms constituting the azole ring is quaternized with a group eliminating in vivo and represented by the formula: wherein R1 represents a hydrocarbon or heterocyclic group which may be substituted, R2 represents a hydrogen atom or a lower alkyl group, and n is 0 or 1, and a saccharide, said compound being capable of being converted into an anti-fungal azole compound upon elimination of said group in vivo. The composition of the present invention is stable and usable particularly as a pharmaceutical preparation for an injection composition.
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: June 24, 2003
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hidetoshi Horibe, Yoko Nishida, Masao Nagao
  • Patent number: 5486508
    Abstract: A pharmaceutical composition comprising a slightly water-soluble drug, a cyclodextrin and a water-soluble organic solvent is disclosed. The composition improves water-solubility and stability of the slightly water-soluble drug. The pharmaceutical composition is particularly suitable for injection preparations.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: January 23, 1996
    Assignee: TAKEDA Chemical Industries Ltd.
    Inventors: Yoshiaki Uda, Yoko Nishida, Yasuaki Ogawa
  • Patent number: 4609650
    Abstract: A novel steroid compound of the formula ##STR1## wherein A is a lower alkylene group; ##STR2## is an acyl group; and is a single bond or a double bond, and methods of producing the compound (I) as follows: ##STR3## and a pharmaceutical composition containing the compound (I). The compound (I) exhibits excellent antiandrogenic activity on oral administration and can be used for the treatment of prostatic hypertrophy.
    Type: Grant
    Filed: March 27, 1984
    Date of Patent: September 2, 1986
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yoshinobu Yoshimura, Yoko Nishida, Takatsuka Yashiki