Patents by Inventor Yumiko Takeda

Yumiko Takeda 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: 4487714
    Abstract: A cytocidal modified immunoglobulin expressed by formula (I) ##STR1## (wherein Ab represents an immunoglobulin or its fragment; R represents a divalent organic group; and n is an integer from 1 to 20).
    Type: Grant
    Filed: January 18, 1984
    Date of Patent: December 11, 1984
    Assignee: Teijin Limited
    Inventors: Yoshinori Kato, Naoji Umemoto, Yumiko Takeda, Takeshi Hara
  • Patent number: 4361572
    Abstract: 1,4,5,6-Tetrahydronicotinamide derivative represented by the formula: ##STR1## (wherein R is defined in the specification), a process of preparing the same and pharmaceutical composition containing the same are disclosed.The compound has action for suppressing aggregation of platelets, and antiinflammatory, antipyretic and analgesic actions.
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: November 30, 1982
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Sakae Takaku, Fumiaki Matsuura, Takashi Mori, Yasushi Murakami, Shigeyuki Kataoka, Yasuhisa Takeda, Yasuhiro Yamashita, Yumiko Takeda, Takashi Matsuno, Koji Mizuno, Shinichi Kaiho, Tamotsu Yamazaki, Shun-ichi Hata, Shigeru Takanashi