Patents by Inventor Yoshio Umezawa

Yoshio Umezawa 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: 7507555
    Abstract: The present invention provides probes for detection and quantification of a lipid second messenger, which comprises: a polypeptide specifically bound to the lipid second messenger; two chromophores respectively having different fluorescence wavelengths, wherein each of the chromophores is linked to each end of the polypeptide through a rigid linker sequence; and a membrane localization sequence linked to one of the chromophores through a rigid linker sequence. According to the present invention, it is now possible to quantitatively detect when and in which site of a living cell the lipid second messengers are produced.
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: March 24, 2009
    Assignee: Japan Science and Technology Agency
    Inventors: Yoshio Umezawa, Moritoshi Sato
  • Publication number: 20090055939
    Abstract: Probe 1 for detection and quantification of nitric oxide, which, comprises two subunits 21 and 22 of soluble guanylate cyclase 2 and cGMP-visualization probes 3 respectively connected with each subunit, wherein the cGMP-visualization probe generates signal upon recognizing guanosine 3?,5-cyclic monophospate.
    Type: Application
    Filed: July 5, 2005
    Publication date: February 26, 2009
    Inventors: Yoshio Umezawa, Moritoshi Sato
  • Patent number: 7425430
    Abstract: As a versatile method of detecting and assaying intracellular protein phosphorylation and dephosphorylation that enables nondestructive monitoring as well as spatial and temporal analysis for living cells, animal bodies, plant bodies and the like, a probe for imaging protein phosphorylation and dephosphorylation, which comprises a tandem fusion unit composed of a substrate domain that contains a phosphorylation and dephosphorylation site, a linker sequence and a phosphorylation recognition domain, interposed between a donor chromophore and an acceptor chromophore that cause fluorescence resonance energy transfer, is used.
    Type: Grant
    Filed: March 23, 2001
    Date of Patent: September 16, 2008
    Assignee: Japan Science and Technology Corporation
    Inventors: Yoshio Umezawa, Moritoshi Sato, Takeaki Ozawa
  • Patent number: 7329494
    Abstract: As a cGMP-visualizing probe capable of detecting and quantifying cGMP easily and accurately even in vivo and for a method of detecting and quantifying cGMP by using the same, a cGMP-visualizing probe comprising a polypeptide, which binds specifically to cGMP, and two chromophores having different fluorescence wavelengths each linked respectively to the two terminals of said polypeptide is provided.
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: February 12, 2008
    Assignee: Japan Science and Technology Corporation
    Inventors: Yoshio Umezawa, Moritoshi Sato, Takeaki Ozawa
  • Patent number: 7286098
    Abstract: When configuring a film antenna for receiving a circular polarized wave, at least one loop antenna is formed on a transparent plastic film and, at the same time, a non-powered element constituted by a wire-shaped conductor independent from the antenna conductor configuring the loop is arranged near this loop antenna. The non-powered element arranged on the side of the loop antenna is configured by a first part and a second part. The first part is made close to the loop antenna in a substantially parallel state. When a monopole antenna is used in place of the loop antenna, by combining this with a wire-shaped conductor orthogonal to this, it becomes possible to receive a circular polarized wave by a configuration providing a power transfer part between the two. It is also possible to configure a composite antenna by mounting another antenna on the transparent plastic film. This antenna can be used as an antenna of a navigation system.
    Type: Grant
    Filed: August 30, 2004
    Date of Patent: October 23, 2007
    Assignee: Fujitsu Ten Limited
    Inventors: Kazushige Ogino, Yoshio Umezawa, Kazuo Takayama, Koji Nagao, Katsuhiro Tsuruta
  • Publication number: 20070178464
    Abstract: A convenient and highly accurate method for detecting protein nuclear transport induced by an endogenous or exogenous substance in local areas of living cells or animals is provided. The method uses a pair of probes for detecting protein nuclear transport, comprising Probe I and Probe II. In Probe I, a protein whose nuclear transport is to be detected or quantified is connected to an N-terminal end or a C-terminal end of a fusion protein [intein-C/reporter protein-C] wherein at least a C-terminal side polypeptide of an intein and a C-terminal side polypeptide of a reporter protein are connected in this order, and in Probe II, a nuclear localization signal is connected to an N-terminal end or a C-terminal end of a fusion protein [reporter protein-N/intein-N] wherein at least the remaining N-terminal side polypeptide of the reporter protein and the remaining N-terminal side polypeptide of the intein are connected in this order.
    Type: Application
    Filed: March 9, 2005
    Publication date: August 2, 2007
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Yoshio Umezawa, Takeaki Ozawa
  • Publication number: 20070120757
    Abstract: A rod antenna with a good reception sensitivity using a conductive body of a vehicle or a heater element of a defogger as a reflector, that is, a rod antenna to be mounted at a conductive outside surface of a vehicle or at an outside surface of a rear window of a vehicle where heater elements of a defogger are arranged in parallel, provided with a rod-shaped antenna element provided with a predetermined length and a holding member comprised of a base member for holding the antenna element and an antenna support member, the holding member holding the antenna element so that it is separated a predetermined distance from the outside surface so that the outside surface becomes a reflector for the antenna element.
    Type: Application
    Filed: November 29, 2006
    Publication date: May 31, 2007
    Inventors: Kazushige Ogino, Yoshio Umezawa, Koji Nagao, Kazuo Takayama
  • Publication number: 20070120756
    Abstract: A loop antenna able to be mounted on the rear window of a vehicle provided with a defogger, that is, a loop antenna to be mounted on a rear window provided with a defogger having electrodes arranged in the vertical direction at the two ends and a plurality of electrical heating wires bridging the electrodes in the horizontal direction, wherein an antenna element forming a loop is made polygonal in shape, two power feed terminals of the loop antenna are provided at positions a predetermined distance away from the midpoint of the bottom of the antenna element, constituted by one side, in the vertical direction, a distance between the power feed terminals and bottom is formed smaller than the distance between adjoining electrical heating wires of the defogger, and the loop antenna is mounted on the rear window between the adjoining electrical heating wires. The polygonal shape may be a triangular shape.
    Type: Application
    Filed: November 28, 2006
    Publication date: May 31, 2007
    Inventors: Kazushige Ogino, Yoshio Umezawa, Katsuhiro Tsuruta, Akihiro Fujiwara
  • Patent number: 7169614
    Abstract: A convenient and commonly applicable method for the specific detection of a nucleic acid with an arbitrary sequence is provide. This method comprises attaching at least a nucleic acid single strand to an electrode, bringing the thus-obtained modified electrode in contact with a solution containing the analyte single-stranded nucleic acid, and measuring the redox reaction of the redox marker.
    Type: Grant
    Filed: March 13, 2001
    Date of Patent: January 30, 2007
    Assignee: Japan Science and Technology Corporation
    Inventors: Yoshio Umezawa, Hiroshi Aoki
  • Publication number: 20070022484
    Abstract: The present invention provides a pair of probes for analyzing protein-protein interactions, which comprises a probe A containing at least an N-terminal half polypeptide of split Renilla luciferase, and a probe B containing at least the remaining C-terminal half polypeptide of split Renilla luciferase.
    Type: Application
    Filed: May 20, 2004
    Publication date: January 25, 2007
    Inventors: Yoshio Umezawa, Asami Kaihara, Takeaki Ozawa, Moritoshi Sato
  • Patent number: 7166447
    Abstract: A probe for protein—protein interaction analysis suitable for analyzing protein—protein interactions of various proteins with high accuracy and in a simple manner and a method for analyzing interaction of two proteins by using the probe. With the probe, protein splicing is caused by protein—protein interaction, and a physicochemically or biochemically detectable protein is regenerated.
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: January 23, 2007
    Assignee: Japan Science and Technology Corporation
    Inventors: Yoshio Umezawa, Takeaki Ozawa
  • Publication number: 20060265764
    Abstract: The present invention provides probes for detection and quantification of a lipid second messenger, which comprises: a polypeptide specifically bound to the lipid second messenger; two chromophores respectively having different fluorescence wavelengths, wherein each of the chromophores is linked to each end of the polypeptide through a rigid linker sequence; and a membrane localization sequence linked to one of the chromophores through a rigid linker sequence. According to the present invention, it is now possible to quantitatively detect when and in which site of a living cell the lipid second messengers are produced.
    Type: Application
    Filed: March 15, 2004
    Publication date: November 23, 2006
    Inventors: Yoshio Umezawa, Moritoshi Sato
  • Publication number: 20060134655
    Abstract: As a cGMP-visualizing probe capable of detecting and quantifying cGMP easily and accurately even in vivo and for a method of detecting and quantifying cGMP by using the same, a cGMP-visualizing probe comprising a polypeptide, which binds specifically to cGMP, and two chromophores having different fluorescence wavelengths each linked respectively to the two terminals of said polypeptide is provided.
    Type: Application
    Filed: May 25, 2005
    Publication date: June 22, 2006
    Inventors: Yoshio Umezawa, Moritoshi Sato, Takeaki Ozawa
  • Publication number: 20050221412
    Abstract: As a versatile method of detecting and assaying intracellular protein phosphorylation and dephosphorylation that enables nondestructive monitoring as well as spatial and temporal analysis for living cells, animal bodies, plant bodies and the like, a probe for imaging protein phosphorylation and dephosphorylation, which comprises a tandem fusion unit composed of a substrate domain that contains a phosphorylation and dephosphorylation site, a linker sequence and a phosphorylation recognition domain, interposed between a donor chromophore and an acceptor chromophore that cause fluorescence resonance energy transfer, is used.
    Type: Application
    Filed: June 10, 2005
    Publication date: October 6, 2005
    Inventors: Yoshio Umezawa, Moritoshi Sato, Takeaki Ozawa
  • Patent number: 6924119
    Abstract: As a cGMP-visualizing probe capable of detecting and quantifying cGMP easily and accurately even in vivo and for a method of detecting and quantifying cGMP by using the same, a cGMP-visualizing probe comprising a polypeptide, which binds specifically to cGMP, and two chromophores having different fluorescence wavelengths each linked respectively to the two terminals of said polypeptide is provided.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: August 2, 2005
    Assignee: Japan Science and Technology Corporation
    Inventors: Yoshio Umezawa, Moritoshi Sato, Takeaki Ozawa
  • Publication number: 20050153285
    Abstract: A convenient and commonly applicable method for the specific detection of a nucleic acid with an arbitrary sequence is provide. This method comprises attaching at least a nucleic acid single strand to an electrode, bringing the thus-obtained modified electrode in contact with a solution containing the analyte single-stranded nucleic acid, and measuring the redox reaction of the redox marker.
    Type: Application
    Filed: March 13, 2001
    Publication date: July 14, 2005
    Inventors: Yoshio Umezawa, Hiroshi Aoki
  • Publication number: 20050118649
    Abstract: A method for analyzing an organelle-localized protein, which enables one to determine whether or not a test protein localizes to an organelle, comprising the steps of: (a) a step of introducing a fusion peptide (a), which comprises one half-peptide of an intein, one half-peptide of a fluorescent protein and an organelle-targeting signal peptide, into a eukaryotic cell; (b) a step of introducing a test protein bound to a fusion peptide (b), which comprises the other half-peptide of the fluorescent protein and the other half-peptide of the intein, into the eukaryotic cell; and (c) a step of detecting fluorescence signal emitted by the fluorescent protein, and a material for analysis to be used in such method are provided.
    Type: Application
    Filed: September 1, 2003
    Publication date: June 2, 2005
    Inventors: Yoshio Umezawa, Takeaki Ozawa
  • Publication number: 20050052334
    Abstract: When configuring a film antenna for receiving a circular polarized wave, at least one loop antenna is formed on a transparent plastic film and, at the same time, a non-powered element constituted by a wire-shaped conductor independent from the antenna conductor configuring the loop is arranged near this loop antenna. The non-powered element arranged on the side of the loop antenna is configured by a first part and a second part. The first part is made close to the loop antenna in a substantially parallel state. When a monopole antenna is used in place of the loop antenna, by combining this with a wire-shaped conductor orthogonal to this, it becomes possible to receive a circular polarized wave by a configuration providing a power transfer part between the two. It is also possible to configure a composite antenna by mounting another antenna on the transparent plastic film. This antenna can be used as an antenna of a navigation system.
    Type: Application
    Filed: August 30, 2004
    Publication date: March 10, 2005
    Inventors: Kazushige Ogino, Yoshio Umezawa, Kazuo Takayama, Koji Nagao, Katsuhiro Tsuruta
  • Publication number: 20050049396
    Abstract: As a versatile method of detecting and assaying intracellular protein phosphorylation and dephosphorylation that enables nondestructive monitoring as well as spatial and temporal analysis for living cells, animal bodies, plant bodies and the like, a probe for imaging protein phosphorylation and dephosphorylation, which comprises a tandem fusion unit composed of a substrate domain that contains a phosphorylation and dephosphorylation site, a linker sequence and a phosphorylation recognition domain, interposed between a donor chromophore and an acceptor chromophore that cause fluorescence resonance energy transfer, is used.
    Type: Application
    Filed: March 23, 2001
    Publication date: March 3, 2005
    Inventors: Yoshio Umezawa, Moritoshi Sato, Takeaki Ozawa
  • Publication number: 20030003506
    Abstract: A probe for protein-protein interaction analysis applicable to various proteins, which enables simple analysis in high accuracy, and a method for analyzing interaction of two proteins is provided. Protein splicing from the probe is caused by protein-protein interaction, and a physiochemically or biochemically detectable protein is regenerated.
    Type: Application
    Filed: April 16, 2002
    Publication date: January 2, 2003
    Inventors: Yoshio Umezawa, Takeaki Ozawa