Patents by Inventor Keiichi Yoshihara

Keiichi Yoshihara 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: 20220143263
    Abstract: Provided is a thrombin-carrying hemostatic sheet that is suitable for hemostasis during surgery, in particular, for hemostasis during spine surgery, that is convenient without preparation before use, and that is bioabsorbable and can be embedded in the body as it is. The hemostatic sheet is composed of a gelatin sponge carrying an effective amount of thrombin, wherein (A) the density is 30 to 55 mg/cm3, and (B) the shape maintaining angle in wet conditions is 55 to 120°.
    Type: Application
    Filed: March 19, 2020
    Publication date: May 12, 2022
    Applicants: Astellas Pharma Inc., National University Corporation Tokyo Medical and Dental University
    Inventors: Makoto OGINO, Keiichi YOSHIHARA, Yasuharu KIMURA, Megumi AOKI, Toshitaka YOSHII, Satoru EGAWA
  • Patent number: 10410677
    Abstract: In a content management system, the still image extracting unit extracts a plurality of frames of still image data from the moving image data based on the motion of the person of interest. The scene determining unit determines a scene of the moving image including a still image corresponding to each of the plurality of frames of the still image data. The management marker registration unit registers, as a management marker, each of the plurality of frames of still image data or an image feature amount of each still image in association with a scene of a moving image corresponding to each still image. The management image generator generates management image data including at least two pieces of the still image data.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: September 10, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Kei Yamaji, Tetsuya Matsumoto, Keiichi Yoshihara
  • Patent number: 9721613
    Abstract: In a content management system, a still image generation unit generates at least one piece of still image data based on moving image data. A still image selection unit causes a user to select one piece of still image data from among the generated at least one piece of still image data. A management marker registration unit registers the selected still image data or information based on the selected still image data as a management marker in association with the moving image data. An access key issuing unit issues an access key for accessing the moving image data. And a management image generation unit generates management image data including the still image data and the access key.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: August 1, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Kei Yamaji, Keiichi Yoshihara
  • Publication number: 20160078904
    Abstract: In a content management system, the still image extracting unit extracts a plurality of frames of still image data from the moving image data based on the motion of the person of interest. The scene determining unit determines a scene of the moving image including a still image corresponding to each of the plurality of frames of the still image data. The management marker registration unit registers, as a management marker, each of the plurality of frames of still image data or an image feature amount of each still image in association with a scene of a moving image corresponding to each still image. The management image generator generates management image data including at least two pieces of the still image data.
    Type: Application
    Filed: August 27, 2015
    Publication date: March 17, 2016
    Inventors: Kei YAMAJI, Tetsuya MATSUMOTO, Keiichi YOSHIHARA
  • Publication number: 20150221343
    Abstract: In a content management system, a still image generation unit generates at least one piece of still image data based on moving image data. A still image selection unit causes a user to select one piece of still image data from among the generated at least one piece of still image data. A management marker registration unit registers the selected still image data or information based on the selected still image data as a management marker in association with the moving image data. An access key issuing unit issues an access key for accessing the moving image data. And a management image generation unit generates management image data including the still image data and the access key.
    Type: Application
    Filed: January 29, 2015
    Publication date: August 6, 2015
    Inventors: Kei YAMAJI, Keiichi YOSHIHARA
  • Publication number: 20150031734
    Abstract: Provided is a mirabegron-containing pharmaceutical composition in which the leakage of mirabegron can be inhibited when the pharmaceutical composition is dispersed in a liquid, and in which the change in pharmacokinetics caused by the presence or absence of food intake is decreased. The pharmaceutical composition comprises an acid addition salt of alkyl sulfuric acid and mirabegron, and a base for modified release.
    Type: Application
    Filed: March 29, 2013
    Publication date: January 29, 2015
    Inventors: Yuki Kasashima, Keiichi Yoshihara, Yoshitaka Ito, Takatsune Yoshida, Yumi Matsui
  • Patent number: 8197846
    Abstract: The present invention provides a sustained-release pharmaceutical composition, characterized in that, there are contained tamsulosin or a pharmaceutically acceptable salt thereof and a carrier for a sustained-release pharmaceutical composition and, when a dissolution test is carried out according to Japanese Pharmacopoeia Dissolution Test Method 2, the tamsulosin release after 7 hours from the start of the dissolution is about 20 to about 85%.
    Type: Grant
    Filed: May 10, 2004
    Date of Patent: June 12, 2012
    Assignee: Astellas Pharma Inc.
    Inventors: Kazuhiro Sako, Toyohiro Sawada, Keiichi Yoshihara, Hiroyuki Kojima
  • Publication number: 20120088838
    Abstract: The present invention provides a sustained-release pharmaceutical composition, characterized in that there are contained tamsulosin or a pharmaceutically acceptable salt thereof and a carrier for a sustained-release pharmaceutical composition and the ratio (Cmin/Cmax ratio) of the plasma tamsulosin concentration at 24 hours after the administration of the preparation per os (Cmin) to the maximum plasma tamsulosin concentration after the administration (Cmax) is about 0.4 or more.
    Type: Application
    Filed: December 16, 2011
    Publication date: April 12, 2012
    Applicant: Astellas Pharma Inc.
    Inventors: Kazuhiro Sako, Toyohiro Sawada, Hiromu Kondo, Keiichi Yoshihara, Hiroyuki Kojima
  • Patent number: 8128958
    Abstract: The present invention provides a sustained-release pharmaceutical composition, characterized in that, there are contained tamsulosin or a pharmaceutically acceptable salt thereof and a carrier for a sustained-release pharmaceutical composition and the ratio (Cmin/Cmax ratio) of the plasma tamsulosin concentration at 24 hours after the administration of the preparation per os (Cmin) to the maximum plasma tamsulosin concentration after the administration (Cmax) is about 0.4 or more.
    Type: Grant
    Filed: May 10, 2004
    Date of Patent: March 6, 2012
    Assignee: Astellas Pharma Inc.
    Inventors: Kazuhiro Sako, Toyohiro Sawada, Hiromu Kondo, Keiichi Yoshihara, Hiroyuki Kojima
  • Publication number: 20110281906
    Abstract: A sustained release pharmaceutical composition for tacrolimus, comprising a solid dispersion containing tacrolimus or a pharmaceutically acceptable salt thereof, and a carrier for a sustained release pharmaceutical composition, wherein a dissolution rate of tacrolimus after 4 hours from the beginning of a dissolution test is less than 35%, is disclosed.
    Type: Application
    Filed: August 2, 2011
    Publication date: November 17, 2011
    Applicant: ASTELLAS PHARMA INC.
    Inventors: Hiromu Kondo, Hiroyuki Kojima, Keiichi Yoshihara, Yuko Taketani, Takuya Ishii
  • Publication number: 20110142933
    Abstract: A controlled release dosage form of tacrolimus, comprising a solid dispersion of tacrolimus, wherein a controlled release base, which is selected from the group consisting of a water-soluble macromolecule, a gum base, and a membrane forming agent and does not form the solid dispersion of tacrolimus, is further contained, is disclosed. The controlled release dosage form of tacrolimus has an excellent controlled release and shows a stable blood concentration.
    Type: Application
    Filed: January 19, 2011
    Publication date: June 16, 2011
    Applicant: ASTELLAS PHARMA INC.
    Inventors: Hiroyuki KOJIMA, Hiromu KONDO, Keiichi YOSHIHARA, Yuko TAKETANI, Takuya ISHII
  • Publication number: 20100273825
    Abstract: The present invention relates to the provision of a stable solid pharmaceutical composition containing an amorphous form of solifenacin or a pharmaceutically acceptable salt thereof and capable of inhibiting decomposition accompanied by long-term storage, to provide the medical field with a formulation of solifenacin or a pharmaceutically acceptable salt thereof. More particularly, the present invention relates to a solid pharmaceutical composition, comprising an amorphous form of solifenacin or a pharmaceutically acceptable salt thereof, and one stabilizer for amorphous solifenacin or two or more stabilizers for amorphous solifenacin, selected from the group consisting of citric acid or a pharmaceutically acceptable salt (excluding a calcium salt) thereof, sodium pyrosulfite, and a pharmaceutically acceptable salt of ethylenediaminetetraacetic acid.
    Type: Application
    Filed: March 29, 2010
    Publication date: October 28, 2010
    Applicant: ASTELLAS PHARMA INC.
    Inventors: Yuko WAKO, Keiichi YOSHIHARA, Naoki ITOU
  • Patent number: 7816373
    Abstract: The present invention relates to a method for improving adsorption on the gastrointestinal mucous layers of one or more selected from polyethylene glycol, polyethylene oxide, and polyoxyethylene polypropylene copolymer wherein the average number of repeating oxyethylene units of one ethylene oxide chain length is 17 or greater. It is possible to enhance pharmacological effects by using the present invention with drugs that have anti-H. pylori activity.
    Type: Grant
    Filed: May 23, 2006
    Date of Patent: October 19, 2010
    Assignee: Astellas Pharma Inc.
    Inventors: Keiichi Yoshihara, Kazuhiro Sako
  • Publication number: 20090011018
    Abstract: A sustained release pharmaceutical composition for tacrolimus, comprising a solid dispersion containing tacrolimus or a pharmaceutically acceptable salt thereof, and a carrier for a sustained release pharmaceutical composition, wherein a dissolution rate of tacrolimus after 4 hours from the beginning of a dissolution test is less than 35%, is disclosed.
    Type: Application
    Filed: December 26, 2007
    Publication date: January 8, 2009
    Inventors: Hiromu Kondo, Hiroyuki Kojima, Keiichi Yoshihara, Yuko Taketani, Takuya Ishii
  • Publication number: 20080221047
    Abstract: A pharmaceutical composition comprising aminoalkyl methacrylate copolymer E, an acidic substance, and a poorly-soluble drug, wherein the aminoalkyl methacrylate copolymer E and the acidic substance are uniformly mixed, and solubility of the poorly-soluble drug is maintained for at least 30 minutes is disclosed.
    Type: Application
    Filed: December 26, 2007
    Publication date: September 11, 2008
    Inventors: Takatsune Yoshida, Keiichi Yoshihara, Hiroyuki Umejima, Ippei Kurimoto
  • Publication number: 20080181947
    Abstract: A controlled release dosage form of tacrolimus, comprising a solid dispersion of tacrolimus, wherein a controlled release base, which is selected from the group consisting of a water-soluble macromolecule, a gum base, and a membrane forming agent and does not form the solid dispersion of tacrolimus, is further contained, is disclosed. The controlled release dosage form of tacrolimus has an excellent controlled release and shows a stable blood concentration.
    Type: Application
    Filed: September 25, 2007
    Publication date: July 31, 2008
    Inventors: Hiroyuki Kojima, Hiromu Kondo, Keiichi Yoshihara, Yuko Taketani, Takuya Ishii
  • Publication number: 20080131511
    Abstract: [Problem] An agent for treating eye and mouth dryness, which does not accompanies undesirable actions is provided. [Means for Resolution] Administration of the compound A made it possible to accelerate tear and salivary fluid secretion without accompanying sweating and its sustained release administration enabled acceleration of lacrimal gland and salivary gland cell growth as well.
    Type: Application
    Filed: September 26, 2007
    Publication date: June 5, 2008
    Inventors: Yohei Okada, Ken Ikeda, Fumikazu Wanibuchi, Keiichi Yoshihara, Hiromu Kondo, Hiroyuki Kojima
  • Publication number: 20070105934
    Abstract: [Problem]An agent for treating eye and mouth dryness, which does not accompanies undesirable actions is provided. [Means for Resolution]Administration of the compound A made it possible to accelerate tear and salivary fluid secretion without accompanying sweating and its sustained release administration enabled acceleration of lacrimal gland and salivary gland cell growth as well.
    Type: Application
    Filed: October 4, 2005
    Publication date: May 10, 2007
    Inventors: Yohei Okada, Ken Ikeda, Fumikazu Wanibuchi, Keiichi Yoshihara, Hiromu Kondo, Hiroyuki Kojima
  • Patent number: 7153524
    Abstract: The present invention relates to a method for improving adsorption on the gastrointestinal mucous layers of one or more selected from polyethylene glycol, polyethylene oxide, and polyoxyethylene polypropylene copolymer wherein the average number of repeating oxyethylene units of one ethylene oxide chain length is 17 or greater. It is possible to enhance pharmacological effects by using the present invention with drugs that have anti-H. pylori activity.
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: December 26, 2006
    Assignee: Astellas Pharma Inc.
    Inventors: Keiichi Yoshihara, Kazuhiro Sako
  • Publication number: 20060204579
    Abstract: The present invention relates to a method for improving adsorption on the gastrointestinal mucous layers of one or more selected from polyethylene glycol, polyethylene oxide, and polyoxyethylene polypropylene copolymer wherein the average number of repeating oxyethylene units of one ethylene oxide chain length is 17 or greater. It is possible to enhance pharmacological effects by using the present invention with drugs that have anti-H. pylori activity.
    Type: Application
    Filed: May 23, 2006
    Publication date: September 14, 2006
    Applicant: Astellas Pharma Inc.
    Inventors: Keiichi Yoshihara, Kazuhiro Sako