Patents by Inventor Takahiro Hiramura

Takahiro Hiramura 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: 11273129
    Abstract: An object of the present invention is to provide a particulate composition for an easy-to-take solid preparation, which has excellent moldability (hardness) and slipperiness. The present invention relates to a particulate composition for an easy-to-take solid preparation, comprising sugar alcohol and a gelling agent that will show slipperiness when it is brought into contact with water, wherein a part or whole of the surface of the particulate composition is coated with the gelling agent, to an easy-to-take solid preparation comprising the particulate composition, and to a method for the production of the easy-to-take solid preparation.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: March 15, 2022
    Assignee: DAICEL CORPORATION
    Inventors: Momoko Hamasaki, Tomohito Okabayashi, Anan Sakaguchi, Takahiro Hiramura
  • Publication number: 20210290549
    Abstract: Provided are: a thin tablet that is easy to pick up, a thin tablet producing method, and a thin tablet producing apparatus. A thin tablet 100 includes: a main body 110 including a planar surface 111; and protrusions 120 provided on the surface 111. When the thin tablet 100 is disposed on a virtual outer plane 130, a gap 135 is formed between at least a part of an outer edge 113 surrounding the surface 111 provided with the protrusion 120 and the outer plane 130 with the protrusion 120 in contact with the outer plane 130.
    Type: Application
    Filed: August 1, 2019
    Publication date: September 23, 2021
    Inventors: Tomohito OKABAYASHI, Takahiro HIRAMURA, Naohiro HASHIKAWA
  • Publication number: 20210220220
    Abstract: A packaging body 141 for containing a thin tablet 100, including an accommodation member 142, wherein the accommodation member 142 includes an inlet 147 and an accommodation portion 146 recessed from the inlet 147, and the accommodation member 142 has a structure in which at least a portion of the thin tablet 100 accommodated in the accommodation portion 146 moves toward the inlet 147 upon application of a force, by an object inserted from the inlet 147, to a portion of the thin tablet 100 accommodated in the accommodation portion 146.
    Type: Application
    Filed: August 7, 2019
    Publication date: July 22, 2021
    Inventors: Tomohito OKABAYASHI, Takahiro HIRAMURA, Naohiro HASHIKAWA
  • Patent number: 11058643
    Abstract: The purpose of present invention to provide a particulate composition that has the excellent provides moldability and useful as a composition that is used as an outer layer of a solid preparation, especially an easy-to-take solid preparation and the like; a composition for an easy-to-take solid preparation, which comprises the particulate composition and a gelling agent that will show slipperiness when it is brought into contact with water; and a solid preparation comprising the composition. The present invention relates to a particulate composition comprising sugar alcohol and a water-insoluble polymer; a composition for an easy-to-take solid preparation, which comprises the particulate composition and a gelling agent that will show slipperiness when it is brought into contact with water; and a solid preparation comprising the composition and the like.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: July 13, 2021
    Assignee: DAICEL CORPORATION
    Inventors: Momoko Hamasaki, Tomohito Okabayashi, Anan Sakaguchi, Atsuhiro Uetomo, Takahiro Hiramura
  • Patent number: 10959915
    Abstract: The purpose of present invention to provide a method for the production of an easy-to-take solid preparation, which is mainly characterized in that a coating processing for the easy-to-take property is simply performed by using a gelling agent in a dry process, without going through a wet condition, the easy-to-take solid preparation and the like.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: March 30, 2021
    Assignee: DAICEL CORPORATION
    Inventors: Momoko Hamasaki, Anan Sakaguchi, Tomohito Okabayashi, Naohiro Hashikawa, Takahiro Hiramura
  • Patent number: 10959916
    Abstract: The purpose of present invention to provide a method for the production of an easy-to-take solid preparation, which is mainly characterized in that an outer layer-forming processing to provide an easy-to-take property is simply performed in a dry process without going through a wet condition so as to make the formed outer layer thicker; the easy-to-take solid preparation and the like.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: March 30, 2021
    Assignee: DAICEL CORPORATION
    Inventors: Momoko Hamasaki, Anan Sakaguchi, Tomohito Okabayashi, Takahiro Hiramura
  • Patent number: 10864165
    Abstract: An object of the present invention is to provide an orally disintegrating tablet (super-rapid disintegrating tablet) that is heavy and relatively thin, and has an extremely high disintegrability (short disintegration time), and a high tablet hardness, and to provide a simple method for the production of said super-rapid 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 4.00 mm2/mg and a weight of from 100 to 300 mg, particularly having a disintegration time in water of 7 seconds or less and an oral disintegration time of 6 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: August 16, 2016
    Date of Patent: December 15, 2020
    Assignee: DAICEL CORPORATION
    Inventors: Tomohito Okabayashi, Atsuhiro Uetomo, Naohiro Hashikawa, Takahiro Hiramura, Tetsuro Morita, Kimiko Ikeda
  • 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: 20200268650
    Abstract: The purpose of the present invention is to provide an intraoral retentive disintegrating solid preparation having excellent disintegrability and cohesiveness, a method for the production thereof, and a powder composition for use in the method for the said production. The present invention relates to an intraoral retentive disintegrating solid preparation comprising at least one kind of a disintegrator and at least one kind of a water-soluble polymer, wherein a disintegration starting time is within 40 seconds and a cohesiveness index is 0.4 or more, a method for the production thereof, and a powder composition for use in the method for the said production, etc.
    Type: Application
    Filed: January 16, 2017
    Publication date: August 27, 2020
    Inventors: Momoko HAMASKAI, Tomohito OKABAYASHI, Anan SAKAGUCHI, Takahiro HIRAMURA
  • Publication number: 20200038332
    Abstract: The present application provides an orally-disintegrating tablet having excellent tablet hardness and disintegrability. The present application further provides a method of producing a disintegrative particulate composition including three components consisting of a first disintegrator component of an acid-type carboxymethylcellulose, a second disintegrator component and an excipient. The method includes a first wet granulation step using any two of the three components, and a second wet granulation step using granules obtained in the first wet granulation step and the remaining one component of the three components not used in the first wet granulation step. The production method may further includes a crystalline cellulose as a fourth component or a third step of mixing a crystalline cellulose into granules obtained in the second wet granulation step. Disintegrative particulate compositions obtained by these methods are also disclosed.
    Type: Application
    Filed: October 11, 2019
    Publication date: February 6, 2020
    Inventors: Takahiro HIRAMURA, Kiyoshi lkura, Sae ltaya, Tomohito Okabayashi, Naohiro Hashikawa, Tetsuro Morita, Kimiko Ikeda, Haruka Wakayama
  • Publication number: 20190256689
    Abstract: The present invention is to provide a three-dimensional molding composition that is suitable for efficiently producing a three-dimensional molded article excellent in shape accuracy, with a few steps. The three-dimensional molding composition of the present invention includes a fibrous substance as a constituent component, wherein a TI value [viscosity at 6 rpm/viscosity at 60 rpm] at 20° C. is 1.5 or more. It is preferable for the above described fibrous substance to be cellulose, and is particularly preferable to be cellulose of which an average degree of unsubstitution of hydroxyl groups is 2.5 or more. In addition, it is preferable that an average length of the fibrous substance be 1 to 1,000 ?m and that an average aspect ratio thereof be 10 to 10,000.
    Type: Application
    Filed: October 13, 2017
    Publication date: August 22, 2019
    Applicant: DAICEL CORPORATION
    Inventors: Takahiro HIRAMURA, Yuichiro EGAWA
  • Patent number: 10292934
    Abstract: An object of the present application is to provide an orally-disintegrating tablet having excellent tablet hardness and disintegrability, and including a disintegrative particulate composition. This invention relates to a disintegrative particulate composition comprising the four components consisting of a first disintegrator component of an acid-type carboxymethylcellulose, a second disintegrator component other than the acid-type carboxymethylcellulose, an excipient of a sugar or sugar alcohol, and crystalline cellulose; and to an orally-disintegrating tablet, including the disintegrative particulate composition and a medicinal ingredient.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: May 21, 2019
    Assignees: DAICEL CORPORATION, NICHIRIN CHEMICAL INDUSTRIES, LTD.
    Inventors: Takahiro Hiramura, Kiyoshi Ikura, Sae Ishikawa, Tomohito Okabayashi, Naohiro Hashikawa, Tetsuro Morita, Kimiko Ikeda
  • Publication number: 20190110998
    Abstract: An object of the present invention is to provide a particulate composition for an easy-to-take solid preparation, which has excellent moldability (hardness) and slipperiness. The present invention relates to a particulate composition for an easy-to-take solid preparation, comprising sugar alcohol and a gelling agent that will show slipperiness when it is brought into contact with water, wherein a part or whole of the surface of the particulate composition is coated with the gelling agent, to an easy-to-take solid preparation comprising the particulate composition, and to a method for the production of the easy-to-take solid preparation.
    Type: Application
    Filed: September 21, 2016
    Publication date: April 18, 2019
    Inventors: Momoko HAMASAKI, Tomohito OKABAYASHI, Anan SAKAGUCHI, Takahiro HIRAMURA
  • 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: 20180243221
    Abstract: The purpose of present invention to provide a particulate composition that has the excellent provides moldability and useful as a composition that is used as an outer layer of a solid preparation, especially an easy-to-take solid preparation and the like; a composition for an easy-to-take solid preparation, which comprises the particulate composition and a gelling agent that will show slipperiness when it is brought into contact with water; and a solid preparation comprising the composition. The present invention relates to a particulate composition comprising sugar alcohol and a water-insoluble polymer; a composition for an easy-to-take solid preparation, which comprises the particulate composition and a gelling agent that will snow slipperiness when it is brought into contact with water; arid a solid preparation comprising the composition and the like.
    Type: Application
    Filed: June 28, 2016
    Publication date: August 30, 2018
    Inventors: Momoko HAMASAKI, Tomohito OKABAYASHI, Anan SAKAGUCHI, Atsuhiro UETOMO, Takahiro HIRAMURA
  • Publication number: 20180235889
    Abstract: An object of the present invention is to provide an orally disintegrating tablet (super-rapid disintegrating tablet) that is heavy and relatively thin, and has an extremely high disintegrability (short disintegration time), and a high tablet hardness, and to provide a simple method for the production of said super-rapid 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 4.00 mm2/mg and a weight of from 100 to 300 mg, particularly having a disintegration time in water of 7 seconds or less and an oral disintegration time of 6 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: August 16, 2016
    Publication date: August 23, 2018
    Inventors: Tomohito OKABAYASHI, Atsuhiro UETOMO, Naohiro HASHIKAWA, Takahiro HIRAMURA, Tetsuro MORITA, Kimiko IKEDA
  • Publication number: 20180235876
    Abstract: A method is used in the production of a disintegrative particulate composition including three components consisting of a first disintegrator component having sedimentation volume in water of 4.0 cm3/g or more, and a second disintegrator component other than the first disintegrator component and an excipient. The method includes a first wet granulation step using any two of the three components, and a second wet granulation step using the granules obtained in the first wet granulation step and at least the component not used in the first wet granulation step; thus the disintegrative particulate composition is produced. Moreover, an orally disintegrating tablet contains a medicinal ingredient and the disintegrative particulate composition.
    Type: Application
    Filed: April 18, 2018
    Publication date: August 23, 2018
    Inventors: Takahiro HIRAMURA, Kiyoshi IKURA, Sae ITAYA, Tomohito OKABAYASHI, Naohiro HASHIKAWA, Anan SAKAGUCHI
  • 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: 20180168934
    Abstract: The purpose of present invention to provide a method for the production of an easy-to-take solid preparation, which is mainly characterized in that a coating processing for the easy-to-take property is simply performed by using a gelling agent in a dry process, without going through a wet condition, the easy-to-take solid preparation and the like.
    Type: Application
    Filed: June 28, 2016
    Publication date: June 21, 2018
    Inventors: Momoko HAMASAKI, Anan SAKAGUCHI, Tomohito OKABAYSHI, Naohiro HASHIKAWA, Takahiro HIRAMURA
  • Publication number: 20180153773
    Abstract: The purpose of present invention to provide a method for the production of an easy-to-take solid preparation, which is mainly characterized in that an outer layer-forming processing to provide an easy-to-take property is simply performed in a dry process without going through a wet condition so as to make the formed outer layer thicker; the easy-to-take solid preparation and the like.
    Type: Application
    Filed: June 28, 2016
    Publication date: June 7, 2018
    Inventors: Momoko HAMASAKI, Anan SAKAGUCHI, Tomohito OKABAYASHI, Takahiro HIRAMURA