Patents by Inventor Kensuke Matsuoka

Kensuke Matsuoka 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: 20140250118
    Abstract: An information retrieval method for retrieving documents relevant to a user's search inquiry from documents stored in the storage device using an arithmetic operation. The method includes receiving from a user a search query including a plurality of keywords, calculating relevance to a plurality of documents on the basis of the plurality of keywords and the influence set for each keyword, and displaying on the display device documents in the order of relevance. The method also includes displaying on the display device the influence set for each keyword, receiving changes to the displayed influence by the user, and recalculating the relevance on the basis of a change to the influence and displaying on the display device documents in the order of relevance.
    Type: Application
    Filed: May 1, 2012
    Publication date: September 4, 2014
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Noritaka Adachi, Hiroshi Kurokawa, Kensuke Matsuoka, Yosuke Murakami
  • Publication number: 20140158571
    Abstract: A packaging structure (100) for a patch includes a first and second base materials (120, 130) which have a peripheral edge part laminated with each other, and the patch is included therein. The first and second base materials (120, 130) have a first to forth sides (121 to 124, 131-134). At least one of the first and second base materials (120, 130) has a first to third opening parts (125 to 127, 135 to 137). The first to third opening parts (125 to 127, 135 to 137) guides so as to open toward the inner peripheral edge (120c1, 120c2, 120c4, 130c1, 130c2, 130c4) of the sealing part (120c, 130c).
    Type: Application
    Filed: July 13, 2012
    Publication date: June 12, 2014
    Applicants: TOA EIYO LTD., NITTO DENKO CORPORATION
    Inventors: Kensuke Matsuoka, Yoshihiro Iwao, Jun Harima, Masakatsu Konno, Kazuhiro Aoyagi, Tomoya Tanaka, Mikio Toyota, Yasuhiko Akita, Tadashi Matsui
  • Patent number: 8703178
    Abstract: The present invention relates to a percutaneous administration device of bisoprolol, which includes a backing; and a pressure-sensitive adhesive layer containing bisoprolol, which is laminated on one surface of the backing, wherein the maximum value of a release rate of bisoprolol during a period of from immediately after the application on skin until a lapse of 24 hours is 30 ?g/cm2/hr or less; and wherein the release rate of bisoprolol at the time of a lapse of 24 hours after the application on skin is 10 ?g/cm2/hr or less. The percutaneous administration device of the present invention is reduced in the skin irritation during the application, especially at the time of peeling, and is capable of persistently administrating a therapeutically or preventively effective amount of bisoprolol into a living body.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: April 22, 2014
    Assignees: Nitto Denko Corporation, Toa Eiyo Ltd.
    Inventors: Yoshihiro Iwao, Kensuke Matsuoka, Katsuhiro Okada, Kunihiro Minami, Shuichiro Yuasa
  • Publication number: 20130315978
    Abstract: The invention provides a patch and a patch preparation having an adhesive layer with a high adhesive force, wherein the hydrophobic adhesive layer does not bloom even when an organic fluid component having high polarity is contained therein. The patch contains a support and an adhesive layer on at least one surface of the support, wherein the adhesive layer contains a synthetic rubber having a viscosity average molecular weight of 1,700,000-6,500,000, an organic fluid component having high polarity, a tackifier, and magnesium aluminometasilicate. In the patch preparation, the above-mentioned adhesive layer further contains a drug.
    Type: Application
    Filed: February 1, 2012
    Publication date: November 28, 2013
    Applicant: NITTO DENKO CORPORATION
    Inventors: Masato Nishimura, Yoshihiro Iwao, Katsuhiro Okada, Kensuke Matsuoka
  • Patent number: 8591939
    Abstract: The present invention provides a Fentanyl-containing percutaneously absorbable adhesive preparation, which is obtained from economic starting materials, has a constitution simpler than that of conventional ones, has sufficient skin permeability, and which permits control of skin permeability by changing the mixing ratio of two kinds of polyisobutylene having different molecular weights, a tackifier and an organic liquid. Specifically, the present invention provides a percutaneously absorbable adhesive preparation comprising a support and an adhesive layer laminated on one surface thereof, wherein the adhesive layer comprises Fentanyl, two kinds of polyisobutylene having different molecular weights, a tackifier and an organic liquid compatible with the aforementioned two kinds of polyisobutylene and the aforementioned tackifier.
    Type: Grant
    Filed: August 4, 2005
    Date of Patent: November 26, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Yuji Saeki, Masato Nishimura, Kensuke Matsuoka, Takateru Muraoka, Yoshifumi Hosaka, Mitsuhiko Hori, Kazuhisa Ninomiya, Hitoshi Akemi, Hidetoshi Kuroda
  • Publication number: 20130310777
    Abstract: The invention provides a patch and a patch preparation having an adhesive layer with a high adhesive force, wherein the hydrophobic adhesive layer does not bloom even when an organic fluid component having high polarity is contained therein. The patch contains a support and an adhesive layer on at least one surface of the support, wherein the adhesive layer contains a synthetic rubber having a viscosity average molecular weight of 500,000-1,600,000, an organic fluid component having high polarity, a tackifier, and magnesium aluminometasilicate. In the patch preparation, the above-mentioned adhesive layer further contains a drug.
    Type: Application
    Filed: February 1, 2012
    Publication date: November 21, 2013
    Applicant: NITTO DENKO CORPORATION
    Inventors: Masato Nishimura, Yoshihiro Iwao, Katsuhiro Okada, Kensuke Matsuoka
  • Patent number: 8506991
    Abstract: The present invention provides a production method of a nicotine transdermal preparation, which is capable of producing a nicotine transdermal preparation conveniently and economically, while maintaining highly precise content uniformity, which is capable of producing a preparation simultaneously achieving fixedness and a soft feeling during adhesion, associated with reduced skin irritation upon peeling off and superior in adhesive property. The present invention provides a nicotine transdermal preparation superior in content uniformity, simultaneously achieving fixedness and a soft feeling during adhesion, and showing reduced skin irritation upon peeling off.
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: August 13, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Shiro Satoda, Kazuhisa Ninomiya, Junichi Saito, Kensuke Matsuoka, Shunetsu Kikuchi
  • Patent number: 8394404
    Abstract: The present invention provides an adhesive material to be adhered to the skin etc., which maintains, for a certain time period after adhesion thereof to the skin surface, suitable adhesiveness that does not allow easy peeling or cause irritation to the skin, and which permits, when it is to be peeled off from the skin surface after the lapse of a desired certain time period, easy peeling without causing pain or physical irritation, and an adhesive preparation containing the adhesive material and a percutaneously absorbable drug in the adhesive layer. Specifically, the present invention provides an adhesive material containing a support and an adhesive layer laminated on one surface of the support, wherein the adhesive layer has an apparent viscosity at 30° C. of 0.2×104 to 10×104 Pa·s and comprises two kinds of synthetic rubbers having different flowability.
    Type: Grant
    Filed: August 4, 2005
    Date of Patent: March 12, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Hitoshi Akemi, Kazuhisa Ninomiya, Hidetoshi Kuroda, Kensuke Matsuoka, Yuji Saeki, Masato Nishimura
  • Publication number: 20130006203
    Abstract: The invention is intended to provide an adhesive patch which effectively inhibits the occurrence of oozing out or sticking out of the adhesive layer components from the exposed area of the adhesive layer of the adhesive patch during storage as well as the occurrence of oozing of bisoprolol or a salt thereof from the adhesive layer thereby preventing the reduction in drug content. The support, the release liner and the adhesive layer constituting the adhesive patch each are formed to have a rectangular planar shape and the entire adhesive patch are formed to have a rectangular planar shape, and a protrudent part is formed on the support-side surface of the adhesive patch at a corner thereof. In addition, the adhesive patch may be formed to have a middle part and a peripheral part, and the protrudent part may be formed at a corner of the rectangular middle part.
    Type: Application
    Filed: February 23, 2011
    Publication date: January 3, 2013
    Applicants: TOA EIYO LTD., NITTO DENKO CORPORATION
    Inventors: Yoshihiro Iwao, Kensuke Matsuoka, Kazuhiro Aoyagi, Jun Harima, Masakatsu Konno
  • Publication number: 20120323191
    Abstract: The invention is intended to provide an adhesive patch which contains a drug except bisoprolol and which effectively inhibits the occurrence of oozing out or sticking out of the adhesive layer components from the exposed area of the adhesive layer of the adhesive patch during storage as well as the occurrence of oozing out of the drug from the adhesive layer thereby preventing the reduction in drug content. The support, the release liner and the adhesive layer constituting the adhesive patch each are formed to have a rectangular planar shape and the entire adhesive patch are formed to have a rectangular planar shape, and a protrudent part is formed on the support-side surface of the adhesive patch at a corner thereof. In addition, the adhesive patch may be formed to have a middle part and a peripheral part, and the protrudent part may be formed at a corner of the rectangular middle part.
    Type: Application
    Filed: February 23, 2011
    Publication date: December 20, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yoshihiro Iwao, Kensuke Matsuoka, Kazuhiro Aoyagi
  • Patent number: 8309119
    Abstract: The present invention aims at providing an adhesive preparation wherein a drug is sufficiently dissolved in an adhesive layer and is not easily separated from the adhesive layer even during preservation of the adhesive preparation. The present invention provides an adhesive preparation having an adhesive layer on at least one surface of a support, wherein the adhesive layer comprises a first synthetic rubber having a viscosity average molecular weight of 1,600,000-6,500,000, a drug, an organic liquid component and a tackifier. The present invention further provides the aforementioned adhesive preparation, wherein the organic liquid component is contained in the adhesive layer in a proportion of 20 wt % or above relative to the total weight of the adhesive layer.
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: November 13, 2012
    Assignee: Nitto Denko Corporation
    Inventors: Masato Nishimura, Sachiko Terashi, Shiro Satoda, Keigo Inosaka, Kensuke Matsuoka
  • Patent number: 8251213
    Abstract: The present invention relates to a patch package structure which includes: a package including a first sheet material and a second sheet material, the first and second sheet materials being sealed together in peripheral parts thereof; and a patch disposed in the package, the patch contains a backing, a pressure-sensitive adhesive layer laminated on at least one side of the backing, and a release liner which protects a pressure-sensitive adhesive surface of the pressure-sensitive adhesive layer, the release liner having on a surface thereof a cut line supporting a peel-off of the release liner at the time of using the patch, the patch being disposed in the package so that the release liner faces the inner surface of the first sheet material, the first sheet material having a first region in which the inner surface of the first sheet material faces the cut line of the release liner, the first sheet material having in the first region a minimum first distance between the inner surface of the first sheet material
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: August 28, 2012
    Assignee: Nitto Denko Corporation
    Inventors: Katsuhiro Okada, Yoshihiro Iwao, Kensuke Matsuoka
  • Publication number: 20120189796
    Abstract: The present invention relates to a sheet-shaped patch including a pressure-sensitive adhesive layer on one surface of a backing to provide a pressure-sensitive adhesive surface showing adhesiveness at ordinary temperature and further including a release liner covering the pressure-sensitive adhesive surface. More specifically, the present invention relates to a sheet-shaped patch where the release liner is formed in a state of being splittable by a parting line. The patch ensures that the pressure-sensitive adhesive surface can be kept from being largely exposed due to slight stress before use and at the same time, the release liner can be easily split when using the patch.
    Type: Application
    Filed: January 25, 2012
    Publication date: July 26, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kazuhiro AOYAGI, Yoshihiro IWAO, Kensuke MATSUOKA, Tomoya TANAKA
  • Patent number: 8146741
    Abstract: A blister package comprises a blister and a cover sheet, and the blister has a groove formed in an outer edge section of the blister. The outer edge section of the blister includes an outer region and an inner region, the groove is formed on the inward side of the outer region, and the inner region is formed on the inward side of the groove. The peel strength between the outer region and the cover sheet is greater than the tear strength of the cover sheet, and the peel strength between the inner region and cover sheet is smaller than the tear strength of the cover sheet.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: April 3, 2012
    Assignee: Nitto Denko Corporation
    Inventors: Kensuke Matsuoka, Yoshihiro Iwao, Katsuhiro Okada
  • Patent number: 8141706
    Abstract: The present invention relates to a patch package structure which includes: a package including a first sheet material and a second sheet material, the first and second sheet materials being sealed together in peripheral parts thereof; and a patch disposed in the package, the patch contains a backing, a pressure-sensitive adhesive layer laminated on at least one side of the backing, and a release liner which protects a pressure-sensitive adhesive surface of the pressure-sensitive adhesive layer, the release liner having on a surface thereof a cut line supporting a peel-off of the release liner at the time of using the patch, the patch being disposed in the package so that the release liner faces the inner surface of the first sheet material, the first sheet material having a first region in which the inner surface of the first sheet material faces the cut line of the release liner, the first sheet material having in the first region a minimum first distance between the inner surface of the first sheet material
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: March 27, 2012
    Assignee: Nitto Denko Corporation
    Inventors: Katsuhiro Okada, Yoshihiro Iwao, Kensuke Matsuoka
  • Patent number: 8127926
    Abstract: A patch package structure which includes: a package including a first sheet material which is planar and a second sheet material which has been molded, a peripheral area of the first sheet material having been sealed to a peripheral area of the second sheet material to constitute the package, and a patch disposed in the package; in which the patch includes a backing, a pressure-sensitive adhesive layer formed on at least one side of the backing, and a release liner which protects the pressure-sensitive adhesive surface of the pressure-sensitive adhesive layer, the release liner having a weakening line for assisting a removal of the release liner; and in which the second sheet material has specific first protrudent part, second protrudent part, third protrudent part and elevated part in a central area thereof except the peripheral area thereof.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: March 6, 2012
    Assignee: Nitto Denko Corporation
    Inventors: Katsuhiro Okada, Yoshihiro Iwao, Kensuke Matsuoka
  • Publication number: 20110243998
    Abstract: The invention provides a patch preparation containing (a) a support and (b) an adhesive layer containing a drug on the surface of the support, wherein a crystal of the drug is formed in the adhesive layer immediately after application of a physical stimulation to the adhesive layer, while a crystal of the drug is formed during preservation after the physical stimulation. The patch preparation which does not require an increase in the area and thickness of an adhesive layer, achieves a sufficiently high skin permeation amount of the drug, shows good adhesiveness to skin, and permits a long-term adhesion to skin. The invention also provides a method of producing the patch preparation.
    Type: Application
    Filed: March 29, 2011
    Publication date: October 6, 2011
    Applicant: Nitto Denko Corporation
    Inventors: Sachiko SAKAMOTO, Akinori Hanatani, Arimichi Okazaki, Hitoshi Akemi, Yoshihiro Iwao, Kensuke Matsuoka
  • Patent number: 7964213
    Abstract: The present invention relates to a patch containing a substrate, a non-crosslinked adhesive layer (A) containing a drug laminated on one surface of the substrate and a crosslinked adhesive layer (B) laminated on the adhesive layer (A). According to the present invention, the percutaneous absorbability of the drug can be improved, and a patch free of problems such as adhesive residue and adhesive bleed can be provided.
    Type: Grant
    Filed: April 11, 2003
    Date of Patent: June 21, 2011
    Assignee: Nitto Denko Corporation
    Inventors: Mitsuhiko Hori, Keiji Yamamoto, Kensuke Matsuoka, Yoshihisa Nakano
  • Publication number: 20110056609
    Abstract: The invention provides an adhesive preparation including a backing, and a pressure-sensitive adhesive layer which contains a drug and is disposed on at least one side of the backing; in which the backing includes a polyester film having a thickness of 0.5 to 6.0 ?m, and a polyester nonwoven fabric directly bound to the film. The pressure-sensitive adhesive layer preferably is directly or indirectly laminated on the nonwoven-fabric side of the backing The adhesive preparation of the invention is flexible enough to comply to the skin and has reduced skin irritation and high stability.
    Type: Application
    Filed: November 12, 2010
    Publication date: March 10, 2011
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yoshihiro IWAO, Katsuyuki OKUBO, Katsuhiro OKADA, Kensuke MATSUOKA
  • Publication number: 20110059155
    Abstract: The present invention provides a water resistant patch preparation having a central part and a peripheral part, which preparation is comprised of a support and an adhesive layer comprising a drug, which is formed on one surface of the support, wherein at least a part of a lateral end of the adhesive layer in the peripheral part is located inside a lateral end of the support, and the adhesive layer in the peripheral part has a thickness smaller than that of the adhesive layer in the central part.
    Type: Application
    Filed: August 31, 2010
    Publication date: March 10, 2011
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kazuhiro AOYAGI, Yoshihiro IWAO, Kensuke MATSUOKA