Patents by Inventor Nao Sano

Nao Sano 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).

  • Arbekacin derivative, and production and use thereof
    Patent number: 9751907
    Abstract: It has been found that adding carbon dioxide or the like to a solution containing arbekacin free base makes it possible to produce arbekacin derivatives including arbekacin carbonate and carbamic acid of arbekacin. Moreover, it has been found that the arbekacin derivatives have a high stability, and that the use thereof enables efficient productions of highly-pure arbekacin free base and pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: September 5, 2017
    Assignee: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Hiroyasu Miwa, Hisashi Kishi, Toshiro Sasaki, Takashi Murata, Makoto Oyama, Nao Sano, Ayako Odagiri
  • Aqueous compositions comprising arbekacin
    Patent number: 9511143
    Abstract: The invention provides aqueous liquid pharmaceutical compositions comprising arbekacin and chloride ions. The compositions are well tolerable for use in a method for treatment or prevention of a disease of the upper or lower respiratory tract, wherein the composition is aerosolized and inhaled by the patient. Furthermore, the invention provides arbekacin hydrochloride.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: December 6, 2016
    Assignees: Meiji Seika Pharma Co., Ltd., PARI Pharma GmbH
    Inventors: Manfred Keller, Yukihiro Yagi, Masashi Tanaka, Toshie Sugano, Kuniko Shoji, Nao Sano, Michael Hahn, Roman Egle
  • ARBEKACIN DERIVATIVE, AND PRODUCTION AND USE THEREOF
    Publication number: 20160096859
    Abstract: It has been found that adding carbon dioxide or the like to a solution containing arbekacin free base makes it possible to produce arbekacin derivatives including arbekacin carbonate and carbamic acid of arbekacin. Moreover, it has been found that the arbekacin derivatives have a high stability, and that the use thereof enables efficient productions of highly-pure arbekacin free base and pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: May 29, 2014
    Publication date: April 7, 2016
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Hiroyasu MIWA, Hisashi KISHI, Toshiro SASAKI, Takashi MURATA, Makoto OYAMA, Nao SANO, Ayako ODAGIRI
  • AQUEOUS COMPOSITIONS COMPRISING ARBEKACIN
    Publication number: 20140343005
    Abstract: The invention provides aqueous liquid pharmaceutical compositions comprising arbekacin and chloride ions. The compositions are well tolerable for use in a method for treatment or prevention of a disease of the upper or lower respiratory tract, wherein the composition is aerosolized and inhaled by the patient. Furthermore, the invention provides arbekacin hydrochloride.
    Type: Application
    Filed: August 3, 2012
    Publication date: November 20, 2014
    Applicants: PARI PHARMA GMBH, MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Manfred Keller, Yukihiro Yagi, Masashi Tanaka, Toshie Sugano, Kuniko Shoji, Nao Sano, Michael Hahn, Roman Egle