Patents by Inventor Tadayoshi Takemoto

Tadayoshi Takemoto 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).

  • Proteoglycan-containing microneedle array
    Patent number: 9539418
    Abstract: A microneedle array is provided which has (1) the strength to withstand insertion into the skin surface layer and/or stratum corneum, (2) the fineness and flexibility to cause no pain or bleeding in the skin surface layer and/or stratum corneum at the insertion site of the microneedles, and (3) solubility or biodegradability of the microneedle portions under the skin. The microneedle array is produced by forming microneedles using proteoglycan as a base material.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: January 10, 2017
    Assignee: COSMED PHARMACEUTICAL CO., LTD.
    Inventors: Ying-shu Quan, Fumio Kamiyama, Takao Taki, Kazuyoshi Kawai, Tadayoshi Takemoto, Takuya Hamabuchi, Kazuhide Ohta
  • PROTEOGLYCAN-CONTAINING MICRONEEDLE ARRAY
    Publication number: 20130012882
    Abstract: An object of the present invention is to provide a novel microneedle array that has (1) the strength to withstand insertion into the skin surface layer and/or stratum corneum, (2) the fineness and flexibility to cause no pain or bleeding in the skin surface layer and/or stratum corneum at the insertion site of the microneedles, and (3) solubility or biodegradability of the microneedle portions under the skin. [Method for Achieving the Object] The microneedle array is produced by forming microneedles using proteoglycan as a base material.
    Type: Application
    Filed: March 18, 2011
    Publication date: January 10, 2013
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Ying-shu Quan, Fumio Kamiyama, Takao Taki, Kazuyoshi Kawai, Tadayoshi Takemoto, Takuya Hamabuchi, Kazuhide Ohta