Patents by Inventor Eisuke Hatanaka

Eisuke Hatanaka 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).

  • MICRONEEDLE SHEET PRODUCTION METHOD AND MICRONEEDLE SHEET
    Publication number: 20210244925
    Abstract: A method of producing a microneedle sheet according to an embodiment includes: preparing a sheet having a first surface and a second surface; making a first cut in a range from the first surface to the second surface of the sheet to form a first outer edge that defines a tip end of the microneedle; and making, after forming the first outer edge, a second cut in a range from the first surface to the second surface of the sheet to form a second outer edge that defines the tip end of the microneedle, thereby forming the tip end of the microneedle.
    Type: Application
    Filed: July 11, 2019
    Publication date: August 12, 2021
    Inventors: Eisuke HATANAKA, Kazuki KURIYAMA, Naoki YAMAMOTO
  • Patch
    Patent number: 10307381
    Abstract: A patch including: a support; and an adhesive layer disposed on at least one surface of the support, in which the adhesive layer includes: at least one selected from the group consisting of butorphanol and pharmaceutically acceptable salts thereof; a higher aliphatic alcohol; and a non-cross-linking polyvinylpyrrolidone that does not contain vinyl acetate as a constituent monomer thereof.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: June 4, 2019
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Junji Noguchi, Eisuke Hatanaka, Hisakazu Kurita, Ryusuke Fudoji, Yasunari Michinaka
  • PATCH
    Publication number: 20170224630
    Abstract: A patch including: a support; and an adhesive layer disposed on at least one surface of the support, in which the adhesive layer includes: at least one selected from the group consisting of butorphanol and pharmaceutically acceptable salts thereof; a higher aliphatic alcohol; and a non-cross-linking polyvinylpyrrolidone that does not contain vinyl acetate as a constituent monomer thereof.
    Type: Application
    Filed: October 13, 2015
    Publication date: August 10, 2017
    Applicant: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Junji NOGUCHI, Eisuke HATANAKA, Hisakazu KURITA, Ryusuke FUDOJI, Yasunari MICHINAKA
  • Adhesive patch comprising diclofenac sodium
    Patent number: 9308187
    Abstract: A patch comprising a support layer and an adhesive layer, wherein the adhesive layer comprises diclofenac sodium, dimethyl sulfoxide, and citric acid; a mass ratio between the diclofenac sodium and the citric acid (mass of diclofenac sodium:mass of citric acid) is 1:0.15 to 1:0.45; and a mass ratio between the diclofenac sodium and the dimethyl sulfoxide (mass of diclofenac sodium:mass of dimethyl sulfoxide) is 1:0.75 to 1:3.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: April 12, 2016
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Eisuke Hatanaka, Yasunori Takada, Takaaki Terahara, Naruhito Higo
  • PATCH
    Publication number: 20150202171
    Abstract: A patch comprising a support layer and an adhesive layer, wherein the adhesive layer comprises diclofenac sodium, dimethyl sulfoxide, and citric acid; a mass ratio between the diclofenac sodium and the citric acid (mass of diclofenac sodium:mass of citric acid) is 1:0.15 to 1:0.45; and a mass ratio between the diclofenac sodium and the dimethyl sulfoxide (mass of diclofenac sodium:mass of dimethyl sulfoxide) is 1:0.75 to 1:3.
    Type: Application
    Filed: June 17, 2013
    Publication date: July 23, 2015
    Applicant: HISAMITSU PHARACEUTICAL CO., INC.
    Inventors: Eisuke Hatanaka, Yasunori Takada, Takaaki Terahara, Naruhito Higo