Patents Assigned to Hisamitsu Pharmaceutical Co., Inc.
  • Patent number: 12290653
    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: Grant
    Filed: July 11, 2019
    Date of Patent: May 6, 2025
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Eisuke Hatanaka, Kazuki Kuriyama, Naoki Yamamoto
  • Patent number: 12233156
    Abstract: The present invention aims to manufacture a microneedle device capable of carrying and administering a larger amount of biologically active substance per one microneedle. One aspect of the present invention is a method of manufacturing a microneedle device comprising coating microneedles with a coating liquid, wherein the coating liquid comprises a biologically active substance and a sulfated polysaccharide. The microneedle device manufactured by such a method comprises a substrate, microneedles disposed on the substrate, and a coating formed on the microneedles, wherein the coating comprises a biologically active substance and a sulfated polysaccharide.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: February 25, 2025
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Ryota Hori, Shinpei Nishimura
  • Patent number: 12186287
    Abstract: Disclosed is a patch comprising an adhesive layer on a backing layer, wherein the adhesive layer comprises lidocaine or a pharmaceutically acceptable salt thereof, propylene glycol, a rubber adhesive base and a terpene resin, wherein the content of the lidocaine or a pharmaceutically acceptable salt thereof in the adhesive layer in terms of free form is 2 mass % to 6 mass % with respect to the total mass of the adhesive layer, wherein the ratio of the mass of the lidocaine or a pharmaceutically acceptable salt thereof in terms of free form to the mass of propylene glycol in the adhesive layer is 1:0.6 to 1:1.8, and wherein the content of the terpene resin in the adhesive layer is 5 mass % to 18 mass % with respect to a total mass of the adhesive layer.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: January 7, 2025
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Kentaro Nakashima, Yusuke Tanaka, Keiichiro Tsurushima
  • Patent number: 12178922
    Abstract: The patch of the present invention comprises a backing layer and an adhesive layer laminated on the backing layer, wherein a water vapor transmission rate of the backing layer is 400 g/m2ยท24 hours or more, and the adhesive layer comprises a drug, dimethylsulfoxide and an adhesive. Such a patch does not fall off easily even after long wear.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: December 31, 2024
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Ryo Tanaka, Hideaki Ohashi, Naruhide Miyoshi, Takito Shima, Naoko Fujita, Yasunari Michinaka
  • Patent number: 12172819
    Abstract: A packaging bag includes a cutting guide band extending along a transverse direction. The cutting guide band includes, a first guide band having first cut lines that are inclined at a predetermined angle with respect to the transverse direction; a second guide band having second cut lines that are inclined at a predetermined angle in a direction opposite a direction of the first cut lines with respect to the transverse direction; and a third guide band having third cut lines that are inclined at a predetermined angle in the same direction as the direction of the first cut lines with respect to the transverse direction. The cutting guide band has a fourth cut line between the first guide band and the second guide band and/or between the second guide band and the third guide band, the fourth cut line being perforated and extending along the transverse direction.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: December 24, 2024
    Assignees: TOPPAN INC., HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Kazuyoshi Okada, Yoshikazu Kuwano, Hiroshi Oishi, Tetsuhiro Kawano
  • Patent number: 12151030
    Abstract: The present invention provides a patch comprising an adhesive layer on a backing, wherein the adhesive layer contains a adhesive base, a skin irritant drug or a pharmaceutically acceptable salt thereof, and diflucortolone valerate, and the content of the diflucortolone valerate is 0.0009 to 0.08% by mass based on the total mass of the adhesive layer.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: November 26, 2024
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Takao Kurokawa, Hidekazu Kuma, Masaki Yukuhiro
  • Publication number: 20240139119
    Abstract: A diclofenac-containing patch package product, in which a diclofenac-containing patch, including an adhesive layer containing diclofenac sodium as a drug and dimethyl sulfoxide as a solvent, and a backing layer, is sealed in a packaging bag, the packaging bag being formed of a laminate at least comprising: an innermost layer composed of at least one selected from the group consisting of polyethylene terephthalate and cycloolefin polymer; an oxygen barrier layer arranged outside the innermost layer; and an outer layer arranged outside the oxygen barrier layer.
    Type: Application
    Filed: February 18, 2022
    Publication date: May 2, 2024
    Applicant: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Hisakazu KURITA, Naoto KAMAKURA, Tatsuya SAKAKURA
  • Patent number: 11903915
    Abstract: The present invention provides a gel patch having a paste layer on a support, wherein the paste layer comprising ketoprofen or a pharmaceutically acceptable salt thereof, propylene glycol, 1-menthol, and water, wherein the mass of propylene glycol in the paste layer is 3-fold the mass of ketoprofen or less, and wherein the content of 1-menthol based on a total mass of the paste layer is 0.1 to 0.5 mass %.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: February 20, 2024
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Tatsuya Sakakura, Satoshi Kimura, Seiichiro Tsuru
  • Publication number: 20240016758
    Abstract: A ropinirole-containing patch comprising a backing layer and an adhesive agent layer, wherein the adhesive agent layer comprising: at least one selected from the group consisting of ropinirole and a pharmaceutically acceptable salt thereof; at least one sodium carboxylate selected from the group consisting of sodium pentanoate, disodium glutarate, and sodium hexanoate; and an adhesive agent.
    Type: Application
    Filed: October 21, 2021
    Publication date: January 18, 2024
    Applicant: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Naoyuki UCHIDA, Satoshi AMANO
  • Patent number: 11872320
    Abstract: Disclosed is a method for treating osteoarthritis comprising a step of administering a patch to a patient. The patch comprises a backing layer and an adhesive layer laminated on the backing layer, the adhesive layer comprises an adhesive base, diclofenac sodium, dimethyl sulfoxide, and an organic acid, and a content of the organic acid is 6 mass % to 8 mass % with respect to a total mass of the adhesive layer. The patch is applied to an affected part once a day, and a dose of diclofenac sodium per administration is 70 mg to 150 mg.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: January 16, 2024
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Hiroyuki Sato, Hirochika Takano
  • Patent number: 11850311
    Abstract: An object of the present invention is to provide an asenapine-containing patch having excellent adhesiveness and handleability, which can persistently provide sufficient medicinal effects by suppressing cold flow during storage or application while enhancing skin permeability using a silicone-based pressure-sensitive adhesive base, and thereby maintaining the stability of the drug in the patch during storage, and maintaining an appropriate administration form for a long period of time. The present invention relates to a patch having a support and a pressure-sensitive adhesive layer, wherein the pressure-sensitive adhesive layer comprises asenapine and a silicone-based pressure-sensitive adhesive base, and the loss tangent (tan ?) of the pressure-sensitive adhesive layer is 0.75 to 1.5 at 1.0 Hz.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: December 26, 2023
    Assignee: Hisamitsu Pharmaceutical Co., Inc.
    Inventors: Masaki Yukuhiro, Yuka Takagi, Satoshi Amano
  • Patent number: 11813364
    Abstract: In a patch comprising a support layer and an adhesive agent layer, the adhesive agent layer comprises free asenapine, a maleic acid alkali salt, and a rubber-based adhesive agent.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: November 14, 2023
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Atsushi Sonobe, Takashi Yasukochi, Yasunori Takada
  • Publication number: 20230286724
    Abstract: A packaging bag includes a cutting guide band extending along a transverse direction. The cutting guide band includes, a first guide band having first cut lines that are inclined at a predetermined angle with respect to the transverse direction; a second guide band having second cut lines that are inclined at a predetermined angle in a direction opposite a direction of the first cut lines with respect to the transverse direction; and a third guide band having third cut lines that are inclined at a predetermined angle in the same direction as the direction of the first cut lines with respect to the transverse direction. The cutting guide band has a fourth cut line between the first guide band and the second guide band and/or between the second guide band and the third guide band, the fourth cut line being perforated and extending along the transverse direction.
    Type: Application
    Filed: July 30, 2021
    Publication date: September 14, 2023
    Applicants: TOPPAN INC., HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Kazuyoshi OKADA, Yoshikazu KUWANO, Hiroshi OISHI, Tetsuhiro KAWANO
  • Patent number: 11660268
    Abstract: The present invention provides an emulsified gel composition comprising a physiologically active substance, water, a gelling agent, an anti-peeling agent, and a surfactant having an HLB value of 18 to 20, in which the gelling agent is a nonionic water-soluble polymer, and the anti-peeling agent is one or more compounds selected from the group consisting of sucrose, sorbitol, polyethylene glycol, glycerin, a (meth)acrylic-based polymer compound, and a polyoxyethylene hydrogenated castor oil.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: May 30, 2023
    Assignee: HISAMITSU PHARMACEUTICAL CO.. INC.
    Inventors: Shinya Matsumura, Toshihiro Nakanishi, Yasuhisa Kose
  • Patent number: 11655395
    Abstract: A support film for a tape material, includes a film-shaped support formed of polyurethane; and a barrier layer containing an aromatic isocyanate-based polyurethane and a layered inorganic compound and formed on one surface of the support.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: May 23, 2023
    Assignees: TOPPAN PRINTING CO.. LTD., HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Koji Sakairi, Atsushi Matsushima, Tomohiro Shinoda, Atsushi Sonobe
  • Patent number: D985232
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: May 9, 2023
    Assignee: Hisamitsu Pharmaceutical Co., Inc.
    Inventor: Akinori Sanada
  • Patent number: D1000951
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: October 10, 2023
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Sayaka Mochizuki, Shigeo Kusumi
  • Patent number: D1014284
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: February 13, 2024
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Michiaki Tsuji, Hiroyuki Nagashima
  • Patent number: D1062470
    Type: Grant
    Filed: November 15, 2023
    Date of Patent: February 18, 2025
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Tatsuaki Sakai, Kei Nishioka, Satoshi Ito
  • Patent number: D1066041
    Type: Grant
    Filed: November 15, 2023
    Date of Patent: March 11, 2025
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Tatsuaki Sakai, Kei Nishioka, Satoshi Ito