Patents by Inventor Yasushi Takigawa

Yasushi Takigawa 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).

  • 5-MEMBERED HETEROCYCLIC DERIVATIVE AND USE THEREOF FOR MEDICAL PURPOSES
    Publication number: 20100227864
    Abstract: The present invention provides compounds useful as agents for the prevention or treatment of a disease associated with abnormal serum uric acid level which has a uricosuric activity or the like. The present invention relates to 5-membered heterocyclic derivatives represented by the following general formula (I) having xanthine oxidase inhibitory activities and useful as agents for the prevention or treatment of a disease associated with abnormality of serum uric acid level, prodrugs thereof, or salts thereof.
    Type: Application
    Filed: April 10, 2008
    Publication date: September 9, 2010
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Kazuo Shimizu, Yasushi Takigawa, Hideki Fujikura, Masato Iizuka, Masahiro Hiratochi, Norihiko Kikuchi
  • (AZA)INDOLE DERIVATIVE AND USE THEREOF FOR MEDICAL PURPOSES
    Publication number: 20100056521
    Abstract: The present invention provides compounds useful as agents for the prevention or treatment of a disease associated with abnormal serum uric acid level which has a uricosuric activity or the like. The present invention relates to (aza)indole derivatives represented by the following general formula (I) having xanthine oxidase inhibitory activities and useful as agents for the prevention or treatment of a disease associated with abnormality of serum uric acid level, prodrugs thereof, or salts thereof.
    Type: Application
    Filed: April 10, 2008
    Publication date: March 4, 2010
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Kazuo Shimizu, Yasushi Takigawa, Hideki Fujikura, Masato Iizuka, Masahiro Hiratochi, Norihiko Kikuchi
  • Safety arteriovenous fistula needle
    Patent number: 7413560
    Abstract: A Safety Arteriovenous Fistula (AVF) winged safety needle device provides a safety feature including a protective shield with handling wings, which when placed in cooperating relationship, allows accommodation of a blood collection needle and a hub. The Safety AVF provides a reliable and user friendly first releasable locking mechanism in an insertion position and a second unreleaseable locking mechanism in a protected position. The Safety AVF also allows for rotation of the needle after cannulation in order to maximize blood or fluid flow to or from a vessel.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: August 19, 2008
    Assignee: JMS North America Corporation
    Inventors: Swee Cheau Chong, Yasushi Takigawa
  • Safety arteriovenous fistula needle
    Publication number: 20050234408
    Abstract: A Safety Arteriovenous Fistula (AVF) winged safety needle device provides a safety feature including a protective shield with handling wings, which when placed in cooperating relationship, allows accommodation of a blood collection needle and a hub. The Safety AVF provides a reliable and user friendly first releasable locking mechanism in an insertion position and a second unreleaseable locking mechanism in a protected position. The Safety AVF also allows for rotation of the needle after cannulation in order to maximize blood or fluid flow to or from a vessel.
    Type: Application
    Filed: April 15, 2004
    Publication date: October 20, 2005
    Applicant: JMS NORTH AMERICA CORP.
    Inventors: Swee Chong, Yasushi Takigawa