Patents by Inventor Takashi Uchio

Takashi Uchio 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).

  • Creams containing vitamin D3 derivatives
    Publication number: 20030068341
    Abstract: An O/W cream contains maxacalcitol as an active ingredient. The maxacalcitol is present in both the oil phase and in the water phase of the cream.
    Type: Application
    Filed: November 13, 2002
    Publication date: April 10, 2003
    Applicant: CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Satoshi Yasukawa, Takashi Uchio, Keiko Sano
  • Creams containing vitamin D3 derivatives
    Publication number: 20020192254
    Abstract: The present invention aims to provide an O/W type creams showing improved skin absorption and heat stability of maxacalcitol as an active ingredient. The present invention provides O/W type creams containing maxacalcitol in the oil phase and/or water phase, more specifically O/W creams containing maxacalcitol and an emulsifier wherein maxacalcitol exists in the oil phase as well as O/W creams wherein maxacalcitol exists in the water phase.
    Type: Application
    Filed: June 5, 2002
    Publication date: December 19, 2002
    Applicant: CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Satoshi Yasukawa, Takashi Uchio, Keiko Sano
  • Creams containing vitamin D3 derivatives
    Patent number: 6491936
    Abstract: The present invention aims to provide an O/W type creams showing improved skin absorption and heat stability of maxacalcitol as an active ingredient. The present invention provides O/W type creams containing maxacalcitol in the oil phase and/or water phase, more specifically O/W creams containing maxacalcitol and an emulsifier wherein maxacalcitol exists in the oil phase as well as O/W creams wherein maxacalcitol exists in the water phase.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: December 10, 2002
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Satoshi Yasukawa, Takashi Uchio, Keiko Sano
  • Creams containing vitamin D3 derivatives
    Patent number: 6432422
    Abstract: The present invention aims to provide an O/W type cream showing improved skin absorption and heat stability of maxacalcitol as an active ingredient. The present invention provides O/W type creams containing maxacalcitol in the oil phase and/or water phase, more specifically O/W creams containing maxacalcitol and an emulsifier wherein maxacalcitol exists in the oil phase as well as O/W creams wherein maxacalcitol exists in the water phase.
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: August 13, 2002
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Satoshi Yasukawa, Takashi Uchio, Keiko Sano