Patents by Inventor Hisao Furitsu

Hisao Furitsu 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).

  • Pharmaceutical compositions of 4-(3-chloro-4-(cyclopropylaminocarbonyl)aminophenoxy)-7-methoxy-6-quinolinecarboxamide
    Patent number: 9504746
    Abstract: A pharmaceutical composition comprising: an active ingredient consisting of 4-(3-chloro-4-(cyclopropylaminocarbonyl)aminophenoxy)-7-methoxy-6-quinolinecarboxamide, salt thereof, or solvate of the foregoing; and (i) a compound, a 5% (w/w) aqueous solution or suspension of which has a pH of 8 or more, and/or (ii) silicic acid, salt thereof, or solvate of the foregoing is a highly stable pharmaceutical composition, wherein under humidified and heated storage conditions, the decomposition of said compound is sufficiently reduced, or the gelation on the surface of the pharmaceutical composition is sufficiently inhibited.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: November 29, 2016
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Hisao Furitsu, Yasuyuki Suzuki
  • Pharmaceutical compositions of 4-(3-chloro-4-(cyclopropylaminocarbonyl)aminophenoxy)-7=methoxy-6-quinolinecarboxide
    Patent number: 8969379
    Abstract: A pharmaceutical composition comprising: an active ingredient consisting of 4-(3-chloro-4-(cyclopropylaminocarbonyl)aminophenoxy)-7-methoxy-6-quinolinecarboxamide, salt thereof, or solvate of the foregoing; and (i) a compound, a 5% (w/w) aqueous solution or suspension of which has a pH of 8 or more, and/or (ii) silicic acid, salt thereof, or solvate of the foregoing is a highly stable pharmaceutical composition, wherein under humidified and heated storage conditions, the decomposition of said compound is sufficiently reduced, or the gelation on the surface of the pharmaceutical composition is sufficiently inhibited.
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: March 3, 2015
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Hisao Furitsu, Yasuyuki Suzuki
  • Pharmaceutical compositions of 4-(3-chloro-4-(cyclopropylaminocarbonyl)aminophenoxy)-7-methoxy-6-quinolinecarboxamide
    Publication number: 20130237565
    Abstract: A pharmaceutical composition comprising: an active ingredient consisting of 4-(3-chloro-4-(cyclopropylaminocarbonyl)aminophenoxy)-7-methoxy-6-quinolinecarboxamide, salt thereof, or solvate of the foregoing; and (i) a compound, a 5% (w/w) aqueous solution or suspension of which has a pH of 8 or more, and/or (ii) silicic acid, salt thereof, or solvate of the foregoing is a highly stable pharmaceutical composition, wherein under humidified and heated storage conditions, the decomposition of said compound is sufficiently reduced, or the gelation on the surface of the pharmaceutical composition is sufficiently inhibited.
    Type: Application
    Filed: April 25, 2013
    Publication date: September 12, 2013
    Applicant: Eisai R&D Management Co., Ltd.
    Inventors: Hisao Furitsu, Yasuyuki Suzuki
  • Medicinal Composition
    Publication number: 20080214604
    Abstract: A pharmaceutical composition comprising: an active ingredient consisting of 4-(3-chloro-4-(cyclopropylaminocarbonyl)aminophenoxy)-7-methoxy-6-quinolinecarboxamide, salt thereof, or solvate of the foregoing; and (i) a compound, a 5% (w/w) aqueous solution or suspension of which has a pH of 8 or more, and/or (ii) silicic acid, salt thereof, or solvate of the foregoing is a highly stable pharmaceutical composition, wherein under humidified and heated storage conditions, the decomposition of said compound is sufficiently reduced, or the gelation on the surface of the pharmaceutical composition is sufficiently inhibited.
    Type: Application
    Filed: September 14, 2005
    Publication date: September 4, 2008
    Inventors: Hisao Furitsu, Yasuyuki Suzuki
  • Intraoral quickly disintegrating tablets
    Publication number: 20040202715
    Abstract: The present invention provides an intraoral quickly disintegrating tablet containing a phosphodiesterase inhibitor having an effect of improving the erectile dysfunction and a method for manufacturing the tablet. The present invention also provides an intraoral quickly disintegrating tablet containing a slightly soluble pharmaceutical agent having an improved solubility and a method for manufacturing the tablet. That is, it is an intraoral quickly disintegrating tablet containing a cyclic GMP phosphodiesterase inhibitor and a saccharide, and a method for manufacturing the tablet.
    Type: Application
    Filed: April 29, 2004
    Publication date: October 14, 2004
    Applicant: EISAI CO., LTD.
    Inventors: Hisao Furitsu, Akira Kato, Takayuki Ohwaki, Masanobu Yasui
  • Tablets immediately disintegrating in the oral cavity
    Patent number: 6743443
    Abstract: The present invention provides an intraoral quickly disintegrating tablet containing a phosphodiesterase inhibitor having an effect of improving the erectile dysfunction and a method for manufacturing the tablet. The present invention also provides an intraoral quickly disintegrating tablet containing a slightly soluble pharmaceutical agent having an improved solubility and a method for manufacturing the tablet. That is, it is an intraoral quickly disintegrating tablet containing a cyclic GMP phosphodiesterase inhibitor and a saccharide, and a method for manufacturing the tablet.
    Type: Grant
    Filed: April 5, 2001
    Date of Patent: June 1, 2004
    Assignee: Eisai Co., Ltd.
    Inventors: Hisao Furitsu, Akira Kato, Takayuki Ohwaki, Masanobu Yasui