Patents by Inventor Yoshihisa TAKIGAWA

Yoshihisa TAKIGAWA 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).

  • Patent number: 10828257
    Abstract: The purpose of the present invention is to provide a disintegrating tablet having excellent tablet hardness and disintegrability, which is suitable for pharmaceuticals and various kinds of foods such as supplemental foods, nutrition function foods and health foods has been desired as highly convenient forms which can safely be taken by patients who have difficulty in swallowing drugs, elderly people, children, etc., and which can easily be taken without water irrespective of places; and a disintegrative particulate composition comprised in the disintegrating tablet. The present invention relates to a disintegrative particulate composition comprising a disintegrator component and micro-fibrillated cellulose, and a disintegrating tablet for pharmaceuticals or foods, comprising the disintegrative particulate composition, which has excellent tablet hardness and disintegrability.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: November 10, 2020
    Assignee: DAICEL CORPORATION
    Inventors: Takahiro Hiramura, Kiyoshi Ikura, Sae Itaya, Tomohito Okabayashi, Yoshihisa Takigawa, Anan Sakaguchi, Naohiro Hashikawa
  • Publication number: 20200060975
    Abstract: The purpose of the present invention is to provide various kinds of disintegrating tablets having various purposes and applications, such as for pharmaceuticals Chinese medicine and various kinds of foods and comprising various kinds of active ingredients such as the medicinal or nutritional ingredient, the supplement and the food component at a high concentration; and a composition for the disintegrating tablets. The present invention relates to a composition for a disintegrating tablet, comprising a disintegrator component consisting of only micro-fibrillated cellulose, and an active ingredient; and a disintegrating tablet for pharmaceuticals or foods, comprising the composition.
    Type: Application
    Filed: May 16, 2018
    Publication date: February 27, 2020
    Inventors: Mio MATSUOKA, Naohiro HASHIKAWA, Momoko HAMASAKI, Yoshihisa TAKIGAWA
  • Patent number: 10426732
    Abstract: An object of the present invention is to provide an orally disintegrating tablet (ultrafast-disintegrating tablet) having an extremely high disintegrability (short disintegration time), and a high tablet hardness, and to provide a simple method for the production of said ultrafast-disintegrating tablet without such a complicated process as freeze-drying. This invention relates to an orally disintegrating tablet having a specific surface area of from 1.50 to 2.50 mm2/mg and a weight of from 10 to 50 mg, particularly having a disintegration time in water of 7 seconds or less and an oral disintegration time of 5 seconds or less, a method for the production of said orally disintegrating tablet, and to a disintegrative particulate composition for use in said method.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: October 1, 2019
    Assignee: DAICEL CORPORATION
    Inventors: Naohiro Hashikawa, Tomohito Okabayashi, Yoshihisa Takigawa, Atsuhiro Uetomo
  • Patent number: 10130584
    Abstract: The purpose of the present invention is to provide a new disintegrative particulate composition having an optimal balance between the tablet hardness and disintegrability that are mutually opposing properties, and disintegrating tablets for pharmaceuticals and various kinds of foods comprising said composition. The present invention relates to a disintegrative particulate composition comprising milled lactose and/or granulated lactose as an excipient, and to a disintegrating tablet for pharmaceuticals or foods, comprising the disintegrative particulate composition, especially the tablet having tablet hardness of from 20 to 200 N, and disintegration time in water of from 1 to 60 sec.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: November 20, 2018
    Assignee: DAICEL CORPORATION
    Inventors: Takahiro Hiramura, Kiyoshi Ikura, Tomohito Okabayashi, Yoshihisa Takigawa, Naohiro Hashikawa
  • Publication number: 20180214377
    Abstract: The purpose of the present invention is to provide a disintegrating tablet having excellent tablet hardness and disintegrability, which is suitable for pharmaceuticals and various kinds of foods such as supplemental foods, nutrition function foods and health foods has been desired as highly convenient forms which can safely be taken by patients who have difficulty in swallowing drugs, elderly people, children, etc., and which can easily be taken without water irrespective of places; and a disintegrative particulate composition comprised in the disintegrating tablet. The present invention relates to a disintegrative particulate composition comprising a disintegrator component and micro-fibrillated cellulose, and a disintegrating tablet for pharmaceuticals or foods, comprising the disintegrative particulate composition, which has excellent tablet hardness and disintegrability.
    Type: Application
    Filed: April 7, 2015
    Publication date: August 2, 2018
    Inventors: Takahiro HIRAMURA, Kiyoshi Ikura, Sae Itaya, Tomohito Okabayashi, Yoshihisa Takigawa, Anan Sakaguchi, Naohiro Hashikawa
  • Publication number: 20170340568
    Abstract: The purpose of the present invention is to provide a new disintegrative particulate composition having an optimal balance between the tablet hardness and disintegrability that are mutually opposing properties, and disintegrating tablets for pharmaceuticals and various kinds of foods comprising said composition. The present invention relates to a disintegrative particulate composition comprising milled lactose and/or granulated lactose as an excipient, and to a disintegrating tablet for pharmaceuticals or foods, comprising the disintegrative particulate composition, especially the tablet having tablet hardness of from 20 to 200 N, and disintegration time in water of from 1 to 60 sec.
    Type: Application
    Filed: October 8, 2015
    Publication date: November 30, 2017
    Inventors: Takahiro HIRAMURA, Kiyoshi IKURA, Tomohito OKABAYASHI, Yoshihisa TAKIGAWA, Naohiro HASHIKAWA
  • Publication number: 20170333352
    Abstract: An object of the present invention is to provide an orally disintegrating tablet (ultrafast-disintegrating tablet) having an extremely high disintegrability (short disintegration time), and a high tablet hardness, and to provide a simple method for the production of said ultrafast-disintegrating tablet without such a complicated process as freeze-drying. This invention relates to an orally disintegrating tablet having a specific surface area of from 1.50 to 2.50 mm2/mg and a weight of from 10 to 50 mg, particularly having a disintegration time in water of 7 seconds or less and an oral disintegration time of 5 seconds or less, a method for the production of said orally disintegrating tablet, and to a disintegrative particulate composition for use in said method.
    Type: Application
    Filed: October 28, 2015
    Publication date: November 23, 2017
    Inventors: Naohiro HASHIKAWA, Tomohito OKABAYASHI, Yoshihisa TAKIGAWA, Atsuhiro UETOMO