Patents by Inventor Tetsushi Yamamoto

Tetsushi Yamamoto 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: 20240317804
    Abstract: An object of the present invention is to provide a cell penetrating peptide having a penetrating ability into cells. The present inventors provided a cell penetrating peptide consisting of the amino acid sequence of SEQ ID NO: 1, a cell penetrating peptide consisting of the amino acid sequence of SEQ ID NO: 2 and a cell penetrating peptide consisting of the amino acid sequence of SEQ ID NO: 3; and a complex comprising any one of the cell penetrating peptide and a functional molecule.
    Type: Application
    Filed: May 10, 2024
    Publication date: September 26, 2024
    Applicants: Astellas Pharma Inc., National Center for Global Health and Medicine, Hiroshima University
    Inventors: Hideki ENDO, Yukihito ISHIZAKA, Akira ISHIGURO, Tomoki TAKASHINA, Takashi YAMAMOTO, Tetsushi SAKUMA
  • Publication number: 20240264192
    Abstract: An automatic analyzing apparatus according to the present embodiment comprises a first imager configured to image a sample container in which a sample is contained and whose upper surface is sealed with a cap; and processing circuitry configured to acquire a liquid level height of the sample contained in the sample container based on first image data of the sample container imaged by the first imager; and determine, based on the liquid level height, a first parameter related to a descent operation of a piercing arm, and controls, based on the first parameter, the descent operation of the piercing arm, and the piercing arm holding a piercer needle for piercing the cap of the sample container.
    Type: Application
    Filed: January 31, 2024
    Publication date: August 8, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Tetsushi YAMAMOTO, Tatsuya MURATA, Tomio NABATAME, Kenji YAMASAKI, Tomomi MURAMATSU
  • Publication number: 20230314459
    Abstract: According to one embodiment, an automatic analyzer includes: a plurality of reaction tube holders each configured to hold a reaction tube housing a mixed solution of a specimen and a reagent; a plurality of photometry portions respectively provided with respect to the reaction tube holders and each configured to perform photometry on the mixed solution housed in the reaction tube; a reaction bath including the reaction tube holders and the photometry portions and configured to repeat rotating and stopping to thereby convey the reaction tube held by each of the reaction tube holders; and a driver configured to rotate the reaction bath.
    Type: Application
    Filed: March 28, 2023
    Publication date: October 5, 2023
    Applicant: Canon Medical Systems Corporation
    Inventors: Tetsushi YAMAMOTO, Shigeyuki TASHIRO, Yoshitaka IZAWA, Hiroo SHINOHARA
  • Publication number: 20220409649
    Abstract: [Object] To provide a composition having an excellent ?-glucosidase inhibitory effect or invertase inhibitory effect.
    Type: Application
    Filed: August 3, 2020
    Publication date: December 29, 2022
    Inventors: Atsushi TAGA, Tetsushi YAMAMOTO, Kanta SATO
  • Publication number: 20220227984
    Abstract: To provide a method for producing a particle that can suppress non-specific adsorption without using BSA. A method for producing a particle, including: a first step of mixing a radically polymerizable monomer, an organic silane compound having a silicon atom to which an alkoxy group is bonded and having radical polymerizability, a radical polymerization initiator, a water-soluble polymer, and an aqueous medium to prepare an emulsion; and a second step of adding a specific reactive compound after the first step.
    Type: Application
    Filed: April 6, 2022
    Publication date: July 21, 2022
    Inventors: Kengo Kanazaki, Fumio Yamauchi, Motokazu Kobayashi, Norishige Kakegawa, Ryo Natori, Tetsushi Yamamoto
  • Patent number: 8541591
    Abstract: Provided are a nanoparticle/dispersant complex having excellent dispersibility and long-term stability in a dispersion medium, a production method therefor, and a nanoparticle dispersion liquid and a nanoparticle/matrix-material complex which are colorless and transparent even at high concentrations. In the nanoparticle/dispersant complex, a nanoparticle is covered with a dispersant containing a heterocyclic cationic group and one of an oxo acid group containing a sulfur atom or a phosphorus atom and an anion moiety of the oxo acid group; in the nanoparticle dispersion liquid, the nanoparticle/dispersant complex is dispersed into a dispersion medium; in the nanoparticle/matrix-material complex, the nanoparticle/dispersant complex is dispersed into a matrix material; and the production method for a nanoparticle/dispersant complex comprises forming, under a presence of the dispersant, a nanoparticle covered with the dispersant from a nanoparticle precursor.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: September 24, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jun Kato, Tetsushi Yamamoto
  • Patent number: 8518307
    Abstract: A method for producing ytterbium phosphate fine particles includes adding phosphoric acid and water to an anhydrous ytterbium halide to cause a reaction between the anhydrous ytterbium halide and the phosphoric acid.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: August 27, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tetsushi Yamamoto
  • Publication number: 20120108745
    Abstract: A method for producing a tantalum oxide particle including preparing tantalum alkoxide in a container and hydrolyzing the tantalum alkoxide in the container, wherein a maximum temperature T (° C.) in the container and a maximum pressure P (MPa) in the container in the hydrolysis satisfy the following formulae (1) and (2): 205?T<300 ??(1), and P?0.9 ??(2).
    Type: Application
    Filed: October 27, 2011
    Publication date: May 3, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Tetsushi Yamamoto
  • Publication number: 20110144061
    Abstract: Provided are a nanoparticle/dispersant complex having excellent dispersibility and long-term stability in a dispersion medium, a production method therefor, and a nanoparticle dispersion liquid and a nanoparticle/matrix-material complex which are colorless and transparent even at high concentrations. In the nanoparticle/dispersant complex, a nanoparticle is covered with a dispersant containing a heterocyclic cationic group and one of an oxo acid group containing a sulfur atom or a phosphorus atom and an anion moiety of the oxo acid group; in the nanoparticle dispersion liquid, the nanoparticle/dispersant complex is dispersed into a dispersion medium; in the nanoparticle/matrix-material complex, the nanoparticle/dispersant complex is dispersed into a matrix material; and the production method for a nanoparticle/dispersant complex comprises forming, under a presence of the dispersant, a nanoparticle covered with the dispersant from a nanoparticle precursor.
    Type: Application
    Filed: July 27, 2009
    Publication date: June 16, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Jun Kato, Tetsushi Yamamoto
  • Publication number: 20110024926
    Abstract: A method for producing ytterbium phosphate fine particles includes adding phosphoric acid and water to an anhydrous ytterbium halide to cause a reaction between the anhydrous ytterbium halide and the phosphoric acid.
    Type: Application
    Filed: July 29, 2010
    Publication date: February 3, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Tetsushi Yamamoto
  • Publication number: 20100196257
    Abstract: In order to provide nanoscale metal oxide fine particles having an excellent dispersibility in an organic solvent, metal oxide fine particles are obtained by heating and reacting metal halide and metal alkoxide in the presence of phosphine oxide. The heating is performed by microwave irradiation.
    Type: Application
    Filed: February 28, 2008
    Publication date: August 5, 2010
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Tetsushi Yamamoto
  • Patent number: 7696530
    Abstract: A sensor includes a first gate electrode, a second gate electrode, a semiconductor layer, a gate-insulating layer, a source electrode, a drain electrode, and a sensing portion including an accommodating part and a receiving layer. The first and second gate electrodes are opposed to each other with the sensing portion, the semiconductor layer, and the gate-insulating layer therebetween. One surface of the semiconductor layer is in contact with a surface of the sensing portion, and another surface of the semiconductor layer is in contact with the gate-insulating layer. A surface of the gate-insulating layer is in contact with the second gate electrode. The first gate electrode and the receiving layer are opposed to each other with the accommodating part therebetween. The source and drain electrodes are in contact with the semiconductor layer.
    Type: Grant
    Filed: June 8, 2007
    Date of Patent: April 13, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsushi Yamamoto, Tadahiko Hirai, Shunji Imanaga
  • Publication number: 20070295988
    Abstract: A sensor includes a first gate electrode, a second gate electrode, a semiconductor layer, a gate-insulating layer, a source electrode, a drain electrode, and a sensing portion including an accommodating part and a receiving layer. The first and second gate electrodes are opposed to each other with the sensing portion, the semiconductor layer, and the gate-insulating layer therebetween. One surface of the semiconductor layer is in contact with a surface of the sensing portion, and another surface of the semiconductor layer is in contact with the gate-insulating layer. A surface of the gate-insulating layer is in contact with the second gate electrode. The first gate electrode and the receiving layer are opposed to each other with the accommodating part therebetween. The source and drain electrodes are in contact with the semiconductor layer.
    Type: Application
    Filed: June 8, 2007
    Publication date: December 27, 2007
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tetsushi YAMAMOTO, Tadahiko HIRAI, Shunji IMANAGA
  • Publication number: 20060217574
    Abstract: The present invention is characterized by subjecting 4,4?-diallyloxydiphenyl sulfone to a rearrangement reaction under microwave irradiation, preferably in molten state, to produce objective 3,3?-diallyl-4,4?-dihydroxydiphenyl sulfone efficiently in a short time, in high yield and in high purity. Further preferably, by carrying out said reaction in substantially oxygen-free atmosphere in the presence of at least one compound selected from a group consisting of an antioxidant, an organic basic compound and a chelate compound, the above-described object can be attained in more preferable manner.
    Type: Application
    Filed: March 31, 2004
    Publication date: September 28, 2006
    Inventors: Hirotaka Enokida, Masaki Fujimoto, Katsunori Nakamura, Tetsushi Yamamoto, Yuji Wada, Shozo Yanagida
  • Patent number: 5003919
    Abstract: An apparatus for stabilizing treatment of ferromagnetic metal powder which apparatus makes it possible to form a surface-oxidized film on the powder which is as uniform and dense as possible and to afford ferromagnetic metal powder having a good quality, and which apparatus is characterized by comprising a horizontal, cylindrical, rotating type body of reactor; a feeding port for the ferromagnetic metal powder into the body; a withdrawing port for the ferromagnetic metal powder from the body; a blowing passageway for an oxidizing gas into the body; and a withdrawing passageway for the oxidizing gas from the body.
    Type: Grant
    Filed: June 9, 1989
    Date of Patent: April 2, 1991
    Assignee: Chisso Corporation
    Inventors: Tetsushi Yamamoto, Masaru Niwano, Etsuo Nakagawa
  • Patent number: 4909865
    Abstract: A process for producing a ferromagnetic metal powder composed mainly of iron and having an oxidized coating and a superior dispersibility is provided, which process comprises feeding granules of a ferromagnetic metal powder composed mainly of iron and impregnated with an organic solvent into a horizontal, cylindrical, rotating type reactor having scraping plates fixed onto the inner wall thereof in parallel to the generating line thereof, passing an oxygen-containing gas through the reactor while rotating the reactor and keeping the inside temperature thereof at 10.degree. to 80.degree. C. to vaporize off the solvent and dry the granules, and then continuously or stepwise raising the temperature of the resulting material on heating while passing an oxygen-containing gas through the inside of the reactor.
    Type: Grant
    Filed: August 8, 1988
    Date of Patent: March 20, 1990
    Assignee: Chisso Corporation
    Inventors: Etsuo Nakagawa, Masaru Niwano, Tetsushi Yamamoto, Jiro I