Patents by Inventor Takahisa Nagao

Takahisa Nagao 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).

  • LASER IGNITION DEVICE, SPACE ENGINE, AND AIRCRAFT ENGINE
    Publication number: 20220010753
    Abstract: A laser ignition device includes an excitation light source that generates excitation light, and a pulsed laser oscillator connected to the excitation light source, wherein the pulsed laser oscillator generates a plurality of pulsed light beams at a time of one ignition to produce an initial flame.
    Type: Application
    Filed: September 27, 2021
    Publication date: January 13, 2022
    Applicants: IHI CORPORATION, IHI AEROSPACE Co., Ltd., INTER-UNIVERSITY RESEARCH INSTITUTE CORPORATION NATIONAL INSTITUTES OF NATURAL SCIENCES
    Inventors: Takahisa NAGAO, Mitsunori ITOU, Jun IZAWA, Yoshiki MATSUURA, Masahiro SASAKI, Takunori TAIRA
  • High-temperature radiator storage yard generating apparatus
    Patent number: 8572965
    Abstract: A chimney has a lower portion substantially in the shape of a pyramid and an upper portion forming a cylindrical portion that extends with a predetermined dimension upwardly and is provided in a ceiling portion of a building of a coil yard that is used for temporary storage of the hot-rolled coil which is an intermediate iron and steel product acting as a high-temperature heat radiator that is manufactured using the hot-rolling equipment of an iron and steel mill. A power generating turbine is provided at a predetermined position in the cylindrical portion. An intake duct is provided on a lower end portion of the side walls of the building. Hot-rolled coils that are in a high-temperature condition after manufacture are successively imported into the coil yard and accumulated and stored until transfer to a subsequent processing step. An ascending airflow is generated by sequential heating of air introduced into the building from the intake duct using heat retained in the hot-rolled coils.
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: November 5, 2013
    Assignee: IHI Corporation
    Inventors: Hiroyuki Otsuka, Hisakazu Onizuka, Shinsuke Matsuno, Takahisa Nagao, Yoshiyuki Yamane, Atsushi Hirata, Kazuo Miyoshi, Masahiro Nakajima
  • HIGH-TEMPERATURE RADIATOR STORAGE YARD GENERATING APPARATUS
    Publication number: 20100314879
    Abstract: A chimney has a lower portion substantially in the shape of a pyramid and an upper portion forming a cylindrical portion that extends with a predetermined dimension upwardly and is provided in a ceiling portion of a building of a coil yard that is used for temporary storage of the hot-rolled coil which is an intermediate iron and steel product acting as a high-temperature heat radiator that is manufactured using the hot-rolling equipment of an iron and steel mill. A power generating turbine is provided at a predetermined position in the cylindrical portion. An intake duct is provided on a lower end portion of the side walls of the building. Hot-rolled coils that are in a high-temperature condition after manufacture are successively imported into the coil yard and accumulated and stored until transfer to a subsequent processing step. An ascending airflow is generated by sequential heating of air introduced into the building from the intake duct using heat retained in the hot-rolled coils.
    Type: Application
    Filed: February 6, 2009
    Publication date: December 16, 2010
    Inventors: Hiroyuki Otsuka, Hisakazu Onizuka, Shinsuke Matsuno, Takahisa Nagao, Yoshiyuki Yamane, Atsushi Hirata, Kazuo Miyoshi, Masahiro Nakajima