Patents by Inventor Eiko Kino

Eiko Kino 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).

  • Antitumor agent comprising FR-900216
    Patent number: 4680178
    Abstract: The invention relates to a pharmaceutical composition for treating lymphocytic leukemia, melanoma or mammary carcinoma comprising an effective amount of FR-900216.
    Type: Grant
    Filed: July 16, 1984
    Date of Patent: July 14, 1987
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Sumio Kiyoto, Masakuni Okuhara, Eiko Kino, Hirokazu Tanaka, Hatsuo Aoki, Masanobu Kohsaka, Hiroshi Imanaka
  • 1,4-Napthoquinone derivatives and use thereof
    Patent number: 4530845
    Abstract: 1,4-naphthoquinone derivatives represented by the following general formula: ##STR1## (wherein R.sup.1 represents a hydrogen atom, a hydroxy group, a lower alkoxy group or an arylthio group, R.sup.2 represents a carboxy group, an esterified carboxy group or an amidated carboxy group or, when taken together, R.sup.1 and R.sup.2 form a group of ##STR2## R.sup.3 represents a hydrogen atom or a lower alkyl group, R.sup.4 represents a lower alkyl group, R.sup.5 represents a hydrogen atom or a halogen atom, and R.sup.6 represents a hydrogen atom, a lower alkyl group or a lower alkanoyl group), and the salts of the carboxy group thereof, which are novel compounds having an anticoccidium activity, and which can be obtained by synthesis or, partly, by cultivation of Streptomyces auranticolor.
    Type: Grant
    Filed: July 6, 1983
    Date of Patent: July 23, 1985
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Koichi Ikushima, Hirokazu Tanaka, Ohe Osamu, Eiko Kino, Masanobu Kohsaka, Hatsuo Aoki, Akira Arakawa, Hiroshi Imanaka
  • 1,4-Naphtoquinone derivatives and their use in treating coccidiosis
    Patent number: 4414226
    Abstract: 1,4-naphthoquinone derivatives represented by the following general formula: ##STR1## (wherein R.sup.1 represents a hydrogen atom, a hydroxy group, a lower alkoxy group or an arylthio group, R.sup.2 represents a carboxy group, an esterified carboxy group or an amidated carboxy group or, when taken together, R.sup.1 and R.sup.2 form a group of ##STR2## R.sup.3 represents a hydrogen atom or a lower alkyl group, R.sup.4 represents a lower alkyl group, R.sup.5 represents a hydrogen atom or a halogen atom, and R.sup.6 represents a hydrogen atom, a lower alkyl group or a lower alkanoyl group), and the salts of the carboxy group thereof, which are novel compounds having an anticoccidium activity, and which can be obtained by synthesis or, partly, by cultivation of Streptomyces auranticolor.
    Type: Grant
    Filed: October 30, 1981
    Date of Patent: November 8, 1983
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Koichi Ikushima, Hirokazu Tanaka, Ohe Osamu, Eiko Kino, Masanobu Kohsaka, Hatsuo Aoki, Akira Arakawa, Hiroshi Imanaka