Patents by Inventor Wataru Kubo

Wataru Kubo 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: 20110299661
    Abstract: An X-ray waveguide according to the present invention includes: a core for guiding an X-ray in such a wavelength band that a real part of the refractive index of a material is 1 or less; and a cladding for confining the X-ray in the core, wherein: the cladding has a periodic structure in which multiple materials having different real parts of the refractive index are periodically arranged in two-dimensional directions perpendicular to the guiding direction of X-ray; and the periodic structure has a period of 100 nm or less.
    Type: Application
    Filed: May 20, 2011
    Publication date: December 8, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Kohei Okamoto, Atsushi Komoto, Wataru Kubo, Hirokatsu Miyata, Takashi Noma
  • Publication number: 20110299662
    Abstract: An X-ray waveguide which: shows a small propagation loss of an X-ray; does not deteriorate owing to oxidation; and can be easily produced is realized with an X-ray waveguide, including: a core for guiding an X-ray in such a wavelength band that the real part of refractive index of materials is 1 or less; and a cladding for confining the X-ray in the core, in which: the cladding has a one-dimensional periodic structure consisting of at least two materials having different real parts of refractive index; one of the materials is inorganic one, and another one of materials is any of an organic material, a gas, or vacuum; and the core and the cladding are formed so that the critical angle for total reflection at the interface between the core and the cladding is smaller than a Bragg angle depending on the periodicity of the one-dimensional periodic structure.
    Type: Application
    Filed: May 20, 2011
    Publication date: December 8, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Kohei Okamoto, Atsushi Komoto, Wataru Kubo, Hirokatsu Miyata, Takashi Noma
  • Patent number: 8026656
    Abstract: A method of producing a film containing an oxide having a plurality of tubular structures and a plurality of conjugated polymer chains includes preparing a solution by dissolving a precursor substance having a first site containing a precursor of the oxide and a second site containing a precursor of a component constituting the conjugated polymer chains; forming a film containing the oxide having the tubular structures on a substrate, the surface of which exhibits anisotropy, by applying the solution onto the substrate so that the tubular structures and the conjugated polymer chains are oriented; and forming the conjugated polymer chains in pores of the tubular structures by polymerizing the second site in the film formed on the substrate, wherein an inorganic component of the first site is connected to carbon of the second site through a covalent bond.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: September 27, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Wataru Kubo, Hirokatsu Miyata, Atsushi Komoto
  • Publication number: 20110198214
    Abstract: In a mesoporous silica film formed on a non-single-crystalline carbon film having structural anisotropy on a substrate in-plane arrangement of the pores is controlled in one direction, which is defined by the structural anisotropy of the carbon film.
    Type: Application
    Filed: November 27, 2009
    Publication date: August 18, 2011
    Applicant: Canon Kabushiki Kaisha
    Inventors: Hirokatsu Miyata, Wataru Kubo, Atsushi Kamoto
  • Patent number: 7964071
    Abstract: A ?-conjugated metal complex immobilized substrate, in which ?-conjugated metal complex molecules are connected to a substrate via a ?-conjugated molecular structure, is adapted for observing an electron transfer (redox reaction) of the ?-conjugated metal complex molecules in aqueous electrolytes. An electrochemical device including this ?-conjugated metal complex immobilized substrate and an aqueous electrolyte with cations having an ion radius of r (m) that is not less than a radius of a sphere inscribed in a clearance formed between the ?-conjugated metal complex molecules. The device utilizes an electron transfer (redox reaction) of the ?-conjugated metal complex molecules in the aqueous electrolyte.
    Type: Grant
    Filed: July 7, 2008
    Date of Patent: June 21, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventor: Wataru Kubo
  • Publication number: 20110129065
    Abstract: An X-ray monochromator including: a substrate having a concave surface; and an inorganic oxide film formed on the concave surface and having a plurality of pores, in which the plurality of pores of the inorganic oxide film being laid periodically in a stacked manner in the normal directions of the concave surface, and in which the plurality of pores being cylindrical is provided. The X-ray monochromator shows an excellent X-ray spectroscopic performance.
    Type: Application
    Filed: October 29, 2010
    Publication date: June 2, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Atsushi Komoto, Hirokatsu Miyata, Wataru Kubo
  • Publication number: 20100308708
    Abstract: A method of producing a film containing an oxide having a plurality of tubular structures and a plurality of conjugated polymer chains includes preparing a solution by dissolving a precursor substance having a first site containing a precursor of the oxide and a second site containing a precursor of a component constituting the conjugated polymer chains; forming a film containing the oxide having the tubular structures on a substrate, the surface of which exhibits anisotropy, by applying the solution onto the substrate so that the tubular structures and the conjugated polymer chains are oriented; and forming the conjugated polymer chains in pores of the tubular structures by polymerizing the second site in the film formed on the substrate, wherein an inorganic component of the first site is connected to carbon of the second site through a covalent bond.
    Type: Application
    Filed: June 1, 2010
    Publication date: December 9, 2010
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Wataru Kubo, Hirokatsu Miyata, Atsushi Komoto
  • Patent number: 7816025
    Abstract: An amino acid capable of coordinately binding to a metallic complex is introduced to an active site within the enzyme or another controlled position near the active site. Therefore, when a mediator is introduced into the enzyme, a mediator-introduced position is controlled to be held at or near the active site.
    Type: Grant
    Filed: August 10, 2007
    Date of Patent: October 19, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Wataru Kubo, Tsuyoshi Nomoto
  • Publication number: 20100147796
    Abstract: A method for manufacturing a patterned structural body by which a patterned structural body having a micropattern can be manufactured, a metal structural body-containing polymer film that can be used in the manufacture of the patterned structural body, and a method for manufacturing the polymer film are provided. The metal structural body-containing polymer film comprises a polymer film that includes a block copolymer having an ion-conductive segment and a non-ion-conductive segment and has a microphase-separated structure including ion-conductive domains and non-ion-conductive domains, and a metal structural body localized at the ion-conductive domains.
    Type: Application
    Filed: December 8, 2009
    Publication date: June 17, 2010
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Wataru Kubo, Kazuhiro Yamauchi, Kenji Yamada, Mamiko Kumagai, Kyoko Kumagai, Toshiki Ito, Norishige Kakegawa
  • Patent number: 7687186
    Abstract: The present invention relates to an enzyme electrode for transporting electric charge formed by an oxidation-reduction reaction in an enzyme to a conductive member at a high speed. Specifically, the enzyme electrode has a ?-conjugated metal complex molecule immobilized on the conductive member and the enzyme immobilized on the conductive member through the ?-conjugated metal complex molecule.
    Type: Grant
    Filed: September 25, 2006
    Date of Patent: March 30, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Wataru Kubo, Tsuyoshi Nomoto, Tetsuya Yano
  • Patent number: 7632600
    Abstract: An enzyme electrode that enables to enhance the rate of charge transfer from a redox center of an enzyme and catalytic current is provided. An enzyme electrode capable of increasing catalytic current by increasing the rate of charge transfer from an enzyme using an enzyme/metal fine particle complex in which part of a metal fine particle is incorporated into the enzyme can be provided.
    Type: Grant
    Filed: September 25, 2006
    Date of Patent: December 15, 2009
    Assignee: Canon Kabushiki Kaisha
    Inventors: Wataru Kubo, Tsuyoshi Nomoto, Tetsuya Yano, Rie Ueno
  • Publication number: 20090233280
    Abstract: Information regarding a base sequence of a target nucleic acid is acquired by preparing a sample comprising the target nucleic acid hybridized with a primer or a sample comprising the target nucleic acid containing a promoter sequence, a polymerase, a nucleotide derivative having an electrochemically convertible moiety; allowing the three components to coexist in a solvent; and detecting whether the nucleotide derivative is introduced into the primer or a transcription product of the target nucleic acid or not using an electrochemical reaction.
    Type: Application
    Filed: December 26, 2006
    Publication date: September 17, 2009
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tsuyoshi Nomoto, Wataru Kubo
  • Publication number: 20090159449
    Abstract: A method for producing an electrode having immobilized ?-conjugated ligands is provided. The method includes bringing an aqueous solution into contact with an electrically conductive base material, the aqueous solution including ?-conjugated ligands and at least one of (i) a surfactant, and (ii) a water-soluble molecule having a structure different from that of the ?-conjugated ligands, the water-soluble molecule having a ?-conjugated structure, and immobilizing the ?-conjugated ligands on the base material.
    Type: Application
    Filed: December 17, 2008
    Publication date: June 25, 2009
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Wataru Kubo
  • Publication number: 20090134042
    Abstract: The present invention is to reduce a false signal in an apparatus for electrochemically decoding a base sequence of DNA, which false signal is caused by a phenomenon that even unreacted nucleotide 5?-triphosphate derivatives remaining in the solution are electrochemically converted on an electrode.
    Type: Application
    Filed: June 18, 2007
    Publication date: May 28, 2009
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tsuyoshi Nomoto, Wataru Kubo
  • Publication number: 20090026071
    Abstract: A ?-conjugated metal complex immobilized substrate, in which ?-conjugated metal complex molecules are connected to a substrate via a ?-conjugated molecular structure, is adapted for observing an electron transfer (redox reaction) of the ?-conjugated metal complex molecules in aqueous electrolytes. An electrochemical device including this ?-conjugated metal complex immobilized substrate and an aqueous electrolyte with cations having an ion radius of r (m) that is not less than a radius of a sphere inscribed in a clearance formed between the ?-conjugated metal complex molecules. The device utilizes an electron transfer (redox reaction) of the ?-conjugated metal complex molecules in the aqueous electrolyte.
    Type: Application
    Filed: July 7, 2008
    Publication date: January 29, 2009
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Wataru Kubo
  • Publication number: 20080277275
    Abstract: The electrolytic reaction of a solution supplemented with oxidation-reduction substances is caused in a magnetic field. Lorentz force generated by the interaction between an electrolytic current and the magnetic field is utilized. As a result, the effective stirring or transfer of a solution as well as the detection of a biologically relevant substance with high precision can be achieved without causing the aggregation or uneven distribution of magnetic beads or the like.
    Type: Application
    Filed: November 30, 2007
    Publication date: November 13, 2008
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Wataru Kubo
  • Publication number: 20080248354
    Abstract: An enzyme electrode has a conductive member and an enzyme, wherein the conductive member has a porous structure, and the enzyme is immobilized through a carrier in pores constituting the porous structure. An enzyme electrode device, comprises the enzyme electrode, and wiring connected to the conductive member of the enzyme electrode.
    Type: Application
    Filed: July 22, 2005
    Publication date: October 9, 2008
    Applicant: Canon Kabushiki Kaisha
    Inventors: Wataru Kubo, Tsuyoshi Nomoto, Tetsuya Yano
  • Publication number: 20080138663
    Abstract: The present invention is directed to overcoming a problem of rate-limiting diffusion of a substrate toward an enzyme, which is a constituent of a microorganism, while ensuring proliferation of the microorganism, in a microbial electrode using a microorganism as an electrode catalyst. A microbial electrode is prepared using a microorganism expressing an enzyme on the surface layer of the cell membrane or cell wall thereof.
    Type: Application
    Filed: November 29, 2007
    Publication date: June 12, 2008
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Wataru Kubo, Tsuyoshi Nomoto
  • Publication number: 20080102323
    Abstract: An amino acid capable of coordinately binding to a metallic complex is introduced to an active site within the enzyme or another controlled position near the active site. Therefore, when a mediator is introduced into the enzyme, a mediator-introduced position is controlled to be held at or near the active site.
    Type: Application
    Filed: August 10, 2007
    Publication date: May 1, 2008
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Wataru Kubo, Tsuyoshi Nomoto
  • Patent number: 7342865
    Abstract: There is provided an objective lens which has positive refractive power and has a single lens element having an incident surface from which the collimated beam enters and an exit surface from which the collimated beam emerges. Further, the incident surface and the exit surface are configured to be rotationally symmetrical aspherical surfaces. At least within an effective diameter of the single lens element, the incident surface and the exit surface are symmetrical with respect to a plane perpendicular to an optical axis of the single lens element and have the same shape.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: March 11, 2008
    Assignee: PENTAX Corporation
    Inventor: Wataru Kubo