Patents by Inventor Masanobu Yasui

Masanobu Yasui 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: 8263123
    Abstract: The present invention provides a quickly disintegrating tablet which has quick disintegrability and solubility in an oral cavity, and does not have uncomfortable tastes such as bitterness, has a small variation of a tablet physical property even in storage under a humidifying condition, and has substantially no change in a medicine content in the tablet and tablet appearance and which is superior in stability; and a manufacturing method of the tablet. That is, it provides: a quickly disintegrating tablet which is prepared by blending a medicine with a saccharide and polyvinyl alcohol, which has small variations of tablet weight, tablet hardness, tablet diameter and tablet thickness, and which is superior in medicine stability in the tablet; and a manufacturing method of the tablet.
    Type: Grant
    Filed: July 16, 2007
    Date of Patent: September 11, 2012
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Yutaka Morita, Masanobu Yasui, Takayuki Ohwaki, Yuki Tsushima
  • Patent number: 7727548
    Abstract: The present invention provides a quickly disintegrating tablet which has quick disintegrability and solubility in an oral cavity, and does not have uncomfortable tastes such as bitterness, has a small variation of a tablet physical property even in storage under a humidifying condition, and has substantially no change in a medicine content in the tablet and tablet appearance and which is superior in stability; and a manufacturing method of the tablet. That is, it provides: a quickly disintegrating tablet which is prepared by blending a medicine with a saccharide and polyvinyl alcohol, which has small variations of tablet weight, tablet hardness, tablet diameter and tablet thickness, and which is superior in medicine stability in the tablet; and a manufacturing method of the tablet.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: June 1, 2010
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Yutaka Morita, Masanobu Yasui, Takayuki Ohwaki, Yuki Tsushima
  • Publication number: 20080095841
    Abstract: The present invention aims to provide a pharmaceutical composition containing a stable dihydropyridine compound, where improving the stability of dihydropyridine compounds in pharmaceutical compositions under influence of storage conditions and thus providing a pharmaceutical composition with superior handling ability and affordable administration. As such, the present invention is a pharmaceutical composition, comprising a dihydropyridine compound, and at least one selected from iron oxide and carrageenan; and a method for producing a pharmaceutical composition. In addition, the present invention is a method for stabilizing a dihydropyridine compound in a pharmaceutical composition, comprising mixing the dihydropyridine compound and at least one selected from iron oxide and carrageenan; and also a stabilizing agent, wherein the stabilizing agent is utilized for a pharmaceutical composition containing a dihydropyridine compound, and comprises at least one selected from iron oxide and carrageenan.
    Type: Application
    Filed: October 5, 2005
    Publication date: April 24, 2008
    Applicant: Eisai R&D Management Co., Ltd.
    Inventors: Toshio Suzuki, Masanobu Yasui, Satoshi Sugawara, Yutaka Morita
  • Publication number: 20080014262
    Abstract: The present invention provides a quickly disintegrating tablet which has quick disintegrability and solubility in an oral cavity, and does not have uncomfortable tastes such as bitterness, has a small variation of a tablet physical property even in storage under a humidifying condition, and has substantially no change in a medicine content in the tablet and tablet appearance and which is superior in stability; and a manufacturing method of the tablet. That is, it provides: a quickly disintegrating tablet which is prepared by blending a medicine with a saccharide and polyvinyl alcohol, which has small variations of tablet weight, tablet hardness, tablet diameter and tablet thickness, and which is superior in medicine stability in the tablet; and a manufacturing method of the tablet.
    Type: Application
    Filed: July 16, 2007
    Publication date: January 17, 2008
    Inventors: Yutaka MORITA, Masanobu Yasui, Takayuki Ohwaki, Yuki Tsushima
  • Publication number: 20040202715
    Abstract: The present invention provides an intraoral quickly disintegrating tablet containing a phosphodiesterase inhibitor having an effect of improving the erectile dysfunction and a method for manufacturing the tablet. The present invention also provides an intraoral quickly disintegrating tablet containing a slightly soluble pharmaceutical agent having an improved solubility and a method for manufacturing the tablet. That is, it is an intraoral quickly disintegrating tablet containing a cyclic GMP phosphodiesterase inhibitor and a saccharide, and a method for manufacturing the tablet.
    Type: Application
    Filed: April 29, 2004
    Publication date: October 14, 2004
    Applicant: EISAI CO., LTD.
    Inventors: Hisao Furitsu, Akira Kato, Takayuki Ohwaki, Masanobu Yasui
  • Patent number: 6743443
    Abstract: The present invention provides an intraoral quickly disintegrating tablet containing a phosphodiesterase inhibitor having an effect of improving the erectile dysfunction and a method for manufacturing the tablet. The present invention also provides an intraoral quickly disintegrating tablet containing a slightly soluble pharmaceutical agent having an improved solubility and a method for manufacturing the tablet. That is, it is an intraoral quickly disintegrating tablet containing a cyclic GMP phosphodiesterase inhibitor and a saccharide, and a method for manufacturing the tablet.
    Type: Grant
    Filed: April 5, 2001
    Date of Patent: June 1, 2004
    Assignee: Eisai Co., Ltd.
    Inventors: Hisao Furitsu, Akira Kato, Takayuki Ohwaki, Masanobu Yasui
  • Publication number: 20030086967
    Abstract: The present invention provides a quickly disintegrating tablet which has quick disintegrability and solubility in an oral cavity, and does not have uncomfortable tastes such as bitterness, has a small variation of a tablet physical property even in storage under a humidifying condition, and has substantially no change in a medicine content in the tablet and tablet appearance and which is superior in stability; and a manufacturing method of the tablet. That is, it provides: a quickly disintegrating tablet which is prepared by blending a medicine with a saccharide and polyvinyl alcohol, which has small variations of tablet weight, tablet hardness, tablet diameter and tablet thickness, and which is superior in medicine stability in the tablet; and a manufacturing method of the tablet.
    Type: Application
    Filed: August 13, 2002
    Publication date: May 8, 2003
    Inventors: Yutaka Morita, Masanobu Yasui, Takayuki Ohwaki, Yuki Tsushima
  • Patent number: 5179956
    Abstract: A contact pressure sensor including a semiconductor chip having opposite surfaces, at least one pressure sensing element provided in one of the opposite surfaces of the chip, a spacer member supporting the other surface of the chip, a substrate having a surface to which the spacer member is fixed, the one surface of the chip being pressed against an object which produces a pressure, so that the at least one sensing element detects the pressure produced by the object, a first connection terminal provided in the one surface of the chip, a second connection terminal provided in the surface of the substrate, and a flexible flat cable connecting between the first and second connection terminals, the flexible flat cable being bent into two portions one of which extends along a side surface of the spacer member and the other of which extends along the surface of the substrate.
    Type: Grant
    Filed: June 26, 1991
    Date of Patent: January 19, 1993
    Assignee: Colin Electronics Co., Ltd.
    Inventors: Chikao Harada, Norio Kawamura, Ryuji Nakashima, Arihiro Takahashi, Toshimasa Yamazaki, Masanobu Yasui, Tatsushi Kondo
  • Patent number: 4901733
    Abstract: A pulse wave detecting apparatus having a pulse wave sensor for detecting pulse wave produced from an arterial vessel of a subject, the pulse wave sensor being movable along a cross line crossing the arterial vessel so as to be positioned in place relative to the arterial vessel, and pressed against a body surface of the subject so as to detect the pulse wave produced from the arterial vessel, a frame member for being set on the body surface of the subject, a guide device supported by the frame member, for guiding the pulse wave sensor within a predetermined length along the cross line, a feeding screw supported by the frame member such that the feeding screw is rotatable about a longitudinal axis thereof parallel to the cross line, the feeding screw being threadedly engaged with the pulse wave sensor, a drive motor supported by the frame member such that the drive motor is located adjacent to the body surface when the frame member is set on the body surface of the subject, and a transmission device provided
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: February 20, 1990
    Assignee: Colin Electronics Co., Ltd.
    Inventors: Noriyuki Kaida, Hifumi Yokoe, Chikao Harada, Minoru Niwa, Masanobu Yasui