Patents by Inventor Tadashi Mukai

Tadashi Mukai 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).

  • Publication number: 20230321113
    Abstract: The subject invention provides a novel pharmaceutical solid preparation that has superior disintegration properties and excellent solubility, leading to sufficient absorbability of active ingredients through the gastrointestinal tract. The pharmaceutical solid preparation of the present invention comprises: (a) 7-chloro-5-hydroxy-1-[2-methyl-4-(2-methylbenzoylamino)benzoyl]-2,3,4,5-tetrahydro-1H-benzoazepine and/or salt thereof; (b) hydroxypropylcellulose containing a hydroxypropoxyl group in an amount of 50% or greater; and (c) at least one member selected from the group consisting of carmellose, sodium carboxy methyl starch, crospovidone, and low substituted hydroxypropylcellulose with an average particle diameter of 30 to 70 ?m, and a 90% cumulative particle diameter of 100 to 200 ?m.
    Type: Application
    Filed: June 16, 2023
    Publication date: October 12, 2023
    Applicant: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Shinsuke NAKAGAWA, Kai SUZUKI, Tadashi MUKAI
  • Publication number: 20210113582
    Abstract: The subject invention provides a novel pharmaceutical solid preparation that has superior disintegration properties and excellent solubility, leading to sufficient absorbability of active ingredients through the gastrointestinal tract. The pharmaceutical solid preparation of the present invention comprises: (a) 7-chloro-5-hydroxy-1-[2-methyl-4-(2-methylbenzoylamino)benzoyl]-2,3,4,5-tetrahydro-1H-benzoazepine and/or salt thereof; (b) hydroxypropylcellulose containing a hydroxypropoxyl group in an amount of 50% or greater; and (c) at least one member selected from the group consisting of carmellose, sodium carboxy methyl starch, crospovidone, and low substituted hydroxypropylcellulose with an average particle diameter of 30 to 70 ?m, and a 90% cumulative particle diameter of 100 to 200 ?m.
    Type: Application
    Filed: December 23, 2020
    Publication date: April 22, 2021
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Shinsuke Nakagawa, Kai Suzuki, Tadashi Mukai
  • Publication number: 20210069207
    Abstract: The subject invention provides a novel pharmaceutical solid preparation that has superior disintegration properties and excellent solubility, leading to sufficient absorbability of active ingredients through the gastrointestinal tract. The pharmaceutical solid preparation of the present invention comprises: (a) 7-chloro-5-hydroxy-1-[2-methyl-4-(2-methylbenzoylamino)benzoyl]-2,3,4,5-tetrahydro-1H-benzoazepine and/or salt thereof; (b) hydroxypropylcellulose containing a hydroxypropoxyl group in an amount of 50% or greater; and (c) at least one member selected from the group consisting of carmellose, sodium carboxy methyl starch, crospovidone, and low substituted hydroxypropylcellulose with an average particle diameter of 30 to 70 ?m, and a 90% cumulative particle diameter of 100 to 200 ?m.
    Type: Application
    Filed: November 16, 2020
    Publication date: March 11, 2021
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Shinsuke Nakagawa, Kai Suzuki, Tadashi Mukai
  • Patent number: 10905694
    Abstract: The subject invention provides a novel pharmaceutical solid preparation that has superior disintegration properties and excellent solubility, leading to sufficient absorbability of active ingredients through the gastrointestinal tract. The pharmaceutical solid preparation of the present invention comprises: (a) 7-chloro-5-hydroxy-1-[2-methyl-4-(2-methylbenzoylamino)benzoyl]-2,3,4,5-tetrahydro-1H-benzoazepine and/or salt thereof; (b) hydroxypropylcellulose containing a hydroxypropoxyl group in an amount of 50% or greater; and (c) at least one member selected from the group consisting of carmellose, sodium carboxy methyl starch, crospovidone, and low substituted hydroxypropylcellulose with an average particle diameter of 30 to 70 ?m, and a 90% cumulative particle diameter of 100 to 200 ?m.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: February 2, 2021
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Shinsuke Nakagawa, Kai Suzuki, Tadashi Mukai
  • Patent number: 9988542
    Abstract: The invention provides a tablet having a powdered or soft surface on which a dry-ink film of information for improving identifiability of the tablet is printed, and provides an ink for inkjet printers.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: June 5, 2018
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Tomoaki Ozaki, Hidekazu Kitada, Yasuharu Iida, Yoshio Hara, Takeshi Matsuda, Tadashi Mukai
  • Publication number: 20170258723
    Abstract: [Object] An object of the present invention is to provide an oral solid preparation that can be produced in a simpler manner than conventional methods, that exhibits high bioavailability and high dissolubility even in persons having low stomach acid, and that can also ensure dissolubility after being allowed to stand for a certain period of time. Another object is to provide a simple method for producing the oral solid preparation.
    Type: Application
    Filed: May 22, 2017
    Publication date: September 14, 2017
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Haruka YOSHIDA, Toshiaki TANIGUCHI, Tadashi MUKAI
  • Publication number: 20170136010
    Abstract: [Object] An object of the present invention is to provide an oral solid preparation that can be produced in a simpler manner than conventional methods, that exhibits high bioavailability and high dissolubility even in persons having low stomach acid, and that can also ensure dissolubility after being allowed to stand for a certain period of time. Another object is to provide a simple method for producing the oral solid preparation.
    Type: Application
    Filed: January 27, 2017
    Publication date: May 18, 2017
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD
    Inventors: Haruka YOSHIDA, Toshiaki TANIGUCHI, Tadashi MUKAI
  • Patent number: 9517639
    Abstract: A printer of the present invention includes a first image pickup device that picks up an image of one side of an object, a first checking section that checks the one side of the object based on the image picked up by the first image pickup device, a first printing device that is disposed at a downstream side of the first image pickup device and that performs printing on the one side of the object while being conveyed, a second image pickup device that picks up an image of the other side of the object while being conveyed, a second checking section that checks the other side of the object based on the image picked up by the second image pickup device, and a second printing device that is disposed at a downstream side of the second image pickup device and that performs printing on the other side of the object while being conveyed.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: December 13, 2016
    Assignees: Otsuka Pharmaceutical Co., Ltd., OKABE Industrial Machineries CO., LTD.
    Inventors: Yoshio Hara, Takeshi Matsuda, Tadashi Mukai, Toshiyuki Hoshiba, Keiji Kimoto, Hiromichi Makino
  • Publication number: 20150231076
    Abstract: [Object] An object of the present invention is to provide an oral solid preparation that can be produced in a simpler manner than conventional methods, that exhibits high bioavailability and high dissolubility even in persons having low stomach acid, and that can also ensure dissolubility after being allowed to stand for a certain period of time. Another object is to provide a simple method for producing the oral solid preparation.
    Type: Application
    Filed: April 30, 2015
    Publication date: August 20, 2015
    Inventors: Haruka YOSHIDA, Toshiaki TANIGUCHI, Tadashi MUKAI
  • Patent number: 9108431
    Abstract: A printer of the present invention includes a first printing device capable of performing printing on a face facing one side in an orthogonal direction to a conveyance direction of a tablet while being conveyed and a second printing device capable of performing printing on a face facing the other side in the orthogonal direction of the tablet while being conveyed.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: August 18, 2015
    Assignees: Otsuka Pharmaceuticals Co., Ltd., OKABE Industrial Machineries CO., LTD.
    Inventors: Yoshio Hara, Takeshi Matsuda, Tadashi Mukai, Toshiyuki Hoshiba, Keiji Kimoto, Hiromichi Makino
  • Publication number: 20150203698
    Abstract: The invention provides a tablet having a powdered or soft surface on which a dry-ink film of information for improving identifiability of the tablet is printed, and provides an ink for inkjet printers.
    Type: Application
    Filed: July 17, 2013
    Publication date: July 23, 2015
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Tomoaki Ozaki, Hidekazu Kitada, Yasuharu Iida, Yoshio Hara, Takeshi Matsuda, Tadashi Mukai
  • Publication number: 20150191028
    Abstract: A printer of the present invention includes a first image pickup device that picks up an image of one side of an object, a first checking section that checks the one side of the object based on the image picked up by the first image pickup device, a first printing device that is disposed at a downstream side of the first image pickup device and that performs printing on the one side of the object while being conveyed, a second image pickup device that picks up an image of the other side of the object while being conveyed, a second checking section that checks the other side of the object based on the image picked up by the second image pickup device, and a second printing device that is disposed at a downstream side of the second image pickup device and that performs printing on the other side of the object while being conveyed.
    Type: Application
    Filed: July 16, 2013
    Publication date: July 9, 2015
    Applicant: OKABE Industrial Machineries CO., LTD.
    Inventors: Yoshio Hara, Takeshi Matsuda, Tadashi Mukai, Toshiyuki Hoshiba, Keiji Kimoto, Hiromichi Makino
  • Publication number: 20150174916
    Abstract: A printer of the present invention includes a first printing device capable of performing printing on a face facing one side in an orthogonal direction to a conveyance direction of a tablet while being conveyed and a second printing device capable of performing printing on a face facing the other side in the orthogonal direction of the tablet while being conveyed.
    Type: Application
    Filed: July 16, 2013
    Publication date: June 25, 2015
    Inventors: Yoshio Hara, Takeshi Matsuda, Tadashi Mukai, Toshiyuki Hoshiba, Keiji Kimoto, Hiromichi Makino
  • Patent number: 9051268
    Abstract: [Object] An object of the present invention is to provide an oral solid preparation that can be produced in a simpler manner than conventional methods, that exhibits high bioavailability and high dissolubility even in persons having low stomach acid, and that can also ensure dissolubility after being allowed to stand for a certain period of time. Another object is to provide a simple method for producing the oral solid preparation.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: June 9, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Haruka Yoshida, Toshiaki Taniguchi, Tadashi Mukai
  • Publication number: 20150093441
    Abstract: An object of the present invention is to provide an oral solid preparation that can be produced in a simpler manner than conventional methods, that exhibits high bioavailability and high dissolubility even in persons having low stomach acid, and that can also ensure dissolubility after being allowed to stand for a certain period of time. Another object is to provide a simple method for producing the oral solid preparation.
    Type: Application
    Filed: April 30, 2014
    Publication date: April 2, 2015
    Inventors: Haruka YOSHIDA, Toshiaki TANIGUCHI, Tadashi MUKAI
  • Publication number: 20150017100
    Abstract: An object of the present invention is to provide an oral preparation that can be used to diagnose the existence or degree of pyridine metabolic capacity disorder, pyrimidine metabolic rate, etc., with high accuracy and with little variation due to individual differences. The oral preparation is prepared using a powder material obtained by mixing and pulverizing (a) an isotope-labeled compound and/or a pyrimidine metabolite compound and (b) a sugar and/or a sugar alcohol.
    Type: Application
    Filed: October 2, 2014
    Publication date: January 15, 2015
    Inventors: Yoshiharu INOUE, Tadashi MUKAI
  • Patent number: 8883121
    Abstract: An object of the present invention is to provide an oral preparation that can be used to diagnose the existence or degree of pyridine metabolic capacity disorder, pyrimidine metabolic rate, etc., with high accuracy and with little variation due to individual differences. The oral preparation is prepared using a powder material obtained by mixing and pulverizing (a) an isotope-labeled compound and/or a pyrimidine metabolite compound and (b) a sugar and/or a sugar alcohol.
    Type: Grant
    Filed: July 24, 2006
    Date of Patent: November 11, 2014
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Yoshiharu Inoue, Tadashi Mukai
  • Publication number: 20140322334
    Abstract: [Object] An object of the present invention is to provide an oral solid preparation that can be produced in a simpler manner than conventional methods, that exhibits high bioavailability and high dissolubility even in persons having low stomach acid, and that can also ensure dissolubility after being allowed to stand for a certain period of time. Another object is to provide a simple method for producing the oral solid preparation.
    Type: Application
    Filed: April 29, 2014
    Publication date: October 30, 2014
    Inventors: Haruka YOSHIDA, Toshiaki Taniguchi, Tadashi Mukai
  • Patent number: 8821936
    Abstract: This invention provides a solid pharmaceutical formulation having high physical strength and further having excellent drug release properties and digestibility of excipients when administered, which comprises (a) an active medical ingredient and (b) a pre-gelatinized starch in an amount of 10 to 90% by weight, said pre-gelatinized starch being prepared by pre-gelatinizing a cheap and stable usual starch during the procedure for formulation. This invention also provides a method for preparing the solid pharmaceutical formulation.
    Type: Grant
    Filed: May 19, 2005
    Date of Patent: September 2, 2014
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventor: Tadashi Mukai
  • Publication number: 20110091535
    Abstract: The present invention relates to a sustained-release solid pharmaceutical formulation comprising (a) an active medical ingredient, (b) a pre-gelatinized starch in an amount of 10 to 90% by weight based on the whole weight of the formulation and (c) one or more kinds of enteric ingredients.
    Type: Application
    Filed: May 14, 2009
    Publication date: April 21, 2011
    Inventor: Tadashi Mukai