Patents by Inventor SADAYOSHI WATANABE

SADAYOSHI WATANABE 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).

  • Powder containing ferric pyrophosphate and method for producing same
    Patent number: 10531684
    Abstract: Provided is a powder containing ferric pyrophosphate that affords high iron absorbability, as a main component of an oral iron preparation. The present invention relates to a composite powder containing ferric pyrophosphate, which is a powder containing ferric pyrophosphate and a sodium component, wherein (1) the content of ferric pyrophosphate is 95 wt % or higher, and (2) a (Fe+Na)/P molar ratio is 0.8 to 1.0.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: January 14, 2020
    Assignee: TOMITA PHARMACEUTICAL CO., LTD.
    Inventors: Sadayoshi Watanabe, Yukinori Konishi, Shota Minami, Akihito Bando, Naoyuki Kitamura
  • POWDER CONTAINING FERRIC PYROPHOSPHATE AND METHOD FOR PRODUCING SAME
    Publication number: 20180249750
    Abstract: Provided is a powder containing ferric pyrophosphate that affords high iron absorbability, as a main component of an oral iron preparation. The present invention relates to a composite powder containing ferric pyrophosphate, which is a powder containing ferric pyrophosphate and a sodium component, wherein (1) the content of ferric pyrophosphate is 95 wt % or higher, and (2) a (Fe+Na)/P molar ratio is 0.8 to 1.0.
    Type: Application
    Filed: December 10, 2015
    Publication date: September 6, 2018
    Inventors: SADAYOSHI WATANABE, YUKINORI KONISHI, SHOTA MINAMI, AKIHITO BANDO, NAOYUKI KITAMURA