Patents by Inventor Daiki Fujiwara

Daiki Fujiwara 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: 20220170841
    Abstract: A detection method according to one or more embodiments may include transporting a rack holding a reaction vessel along a first axis toward a sample dispensing position, linearly moving the sample dispensing pipette above the rack along a second axis intersecting the first axis and dispensing a sample into the reaction vessel located at the sample dispensing position, transporting the rack along the first axis toward a reagent dispensing position; linearly moving a reagent dispensing pipette above the rack along a third axis intersecting the first axis, and dispensing a reagent into the reaction vessel located at the reagent dispensing position, and detecting a detection target in a measurement specimen prepared from the sample and the reagent.
    Type: Application
    Filed: November 29, 2021
    Publication date: June 2, 2022
    Applicant: SYSMEX CORPORATION
    Inventors: Masatsugu OZASA, Daiki FUJIWARA, Daiki MITA, Takaaki OKAJIMA, Hideki HIRAYAMA
  • Patent number: 9945001
    Abstract: A method is provided for operating a blast furnace by blowing a solid reducing material, a flammable gaseous reducing material and a combustible gas into a blast furnace from tuyeres through a lance into a blast furnace, wherein a parallel type lance prepared by bundling three independent blowing tubes in parallel and integrally housing them into an outer tube is used, and either one or both of the gaseous reducing material and the combustible gas and the solid reducing material are simultaneously blown through the respective blowing tubes, while the blowing tube for the solid reducing material and the blowing tube for the gaseous reducing material are positioned above the blowing tube for the combustible gas in the blowing through the parallel type lance as well as a lance structure thereof.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: April 17, 2018
    Assignee: JFE STEEL CORPORATION
    Inventors: Daiki Fujiwara, Akinori Murao, Takeshi Kajisa, Mitsushi Tokudome
  • Patent number: 9938593
    Abstract: A method is provided for operating a blast furnace by blowing at least a solid reducing material and a combustible gas into the furnace through tuyeres with a lance inserted into a blowpipe, wherein a tube-bundle type lance obtained by bundling a plurality of blowing tubes is used and when only a solid reducing material or two kinds of a solid reducing material and a combustible gas or three kinds of a solid reducing material, a combustible gas and a gaseous reducing material is simultaneously blown into an inside of the blast furnace through a tube for blowing the solid reducing material, a tube for blowing the combustible gas and a tube for blowing the gaseous reducing material in the tube-bundle type lance, two or more tube-bundle type lances are inserted into the blowpipe to approximate their front ends to each other and blowing is performed so that the respective blowout streams interfere with each other in the blowpipe.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: April 10, 2018
    Assignee: JFE Steel Corporation
    Inventors: Daiki Fujiwara, Akinori Murao
  • Patent number: 9873923
    Abstract: A method of operating a blast furnace by blowing a pulverized coal at an amount of not less than 150 kg/t?p from tuyeres through a lance into a blast furnace, wherein when the operation is performed under a condition that lump coke charged from a furnace top has a strength defined in JIS K2151 (DI15015) of not more than 87%, the pulverized coal blown through the tuyere contains not more than 60 mass % as a weight ratio of coal having a particle size of not more than 74 ?m and has an average volatile matter of not more than 25 mass %, and a blast temperature blown through the tuyere is not higher than 1100° C., oxygen is simultaneously blown into the furnace with the blowing of the pulverized coals through the lance and a gas having an oxygen concentration of 60 vol %-97 vol % is used as a carrier gas for the blowing of the pulverized coal.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: January 23, 2018
    Assignee: JFE STEEL CORPORATION
    Inventors: Akinori Murao, Daiki Fujiwara, Shiro Watakabe, Michitaka Sato, Takashi Watanabe, Akio Shimomura
  • Patent number: 9650689
    Abstract: A method of operating a blast furnace includes two or more lances that inject reducing agents from a tuyere; injecting a solid reducing agent and a flammable reducing agent from different lances; and disposing the lances so that an axial line that extends from an end of the lance that injects the solid reducing agent and is the axial line of the lance that injects the solid reducing agent and an axial line that extends from an end of the lance that injects the flammable reducing agent and is the axial line of the lance that injects the flammable reducing agent cross each other, and so that a main flow of the solid reducing agent injected and a main flow of the flammable reducing agent injected overlap.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: May 16, 2017
    Assignee: JFE Steel Corporation
    Inventors: Daiki Fujiwara, Akinori Murao, Shiro Watakabe
  • Patent number: 9410218
    Abstract: A method of operating a blast furnace comprising two or more lances that inject reducing agents from a tuyere including injecting a solid reducing agent and a flammable reducing agent from different lances; and arranging a position of an end of the lance that injects the flammable reducing agent closer to a near side in a injecting direction by more than 0 to 50 mm than a position of an end of the lance that injects the solid reducing agent.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: August 9, 2016
    Assignee: JFE Steel Corporation
    Inventors: Akinori Murao, Daiki Fujiwara, Shiro Watakabe
  • Publication number: 20160208349
    Abstract: A method for operating a blast furnace that increases combustion temperature and reduces fuel consumption rate is provided. The method includes injecting hot air into the blast furnace from a tuyere. A solid reduction agent and at least one of a flammable reduction agent and a combustion-supporting gas are injected into the blast furnace, with the hot air, from the tuyere and through a lance. The solid reduction agent contains 65 mass % or less of particles whose particle diameter is greater than or equal to 75 ?m. The method facilitates efficient mixing, accelerates the reaction between the pulverized coal and the combustion-supporting gas, and increases the temperature of the pulverized coal. Therefore, the combustion speed of the pulverized coal is increased, which increases the combustion temperature and reduces the reduction agent ratio.
    Type: Application
    Filed: August 26, 2014
    Publication date: July 21, 2016
    Applicant: JFE STEEL CORPORATION
    Inventors: Daiki FUJIWARA, Akinori MURAO
  • Patent number: 9309578
    Abstract: A blast furnace operating method by blowing at least a solid reducing material into an inside of the furnace from a tuyere thereof with a lance, wherein a tube bundle-type lance formed by bundling a plurality of blowing tubes side-by-side and housing them in a main tube of the lance is used when only a solid reducing material or two kinds of a solid reducing material and a combustible gas or three kinds of a solid reducing material, a combustible gas and a gaseous reducing material are blown in the inside of the blast furnace, whereby the solid reducing material, combustible gas and gaseous reducing material are blown through the respective blowing tubes, and a tube bundle-type lance.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: April 12, 2016
    Assignee: JFE STEEL CORPORATION
    Inventors: Akinori Murao, Daiki Fujiwara
  • Publication number: 20160053338
    Abstract: A method is provided for operating a blast furnace by blowing at least a solid reducing material and a combustible gas into the furnace through tuyeres with a lance inserted into a blowpipe, wherein a tube-bundle type lance obtained by bundling a plurality of blowing tubes is used and when only a solid reducing material or two kinds of a solid reducing material and a combustible gas or three kinds of a solid reducing material, a combustible gas and a gaseous reducing material is simultaneously blown into an inside of the blast furnace through a tube for blowing the solid reducing material, a tube for blowing the combustible gas and a tube for blowing the gaseous reducing material in the tube-bundle type lance, two or more tube-bundle type lances are inserted into the blowpipe to approximate their front ends to each other and blowing is performed so that the respective blowout streams interfere with each other in the blowpipe.
    Type: Application
    Filed: March 27, 2014
    Publication date: February 25, 2016
    Applicant: JFE STEEL CORPORATION
    Inventors: Daiki Fujiwara, Akinori Murao
  • Publication number: 20160040261
    Abstract: A method is provided for operating a blast furnace by blowing a solid reducing material, a flammable gaseous reducing material and a combustible gas into a blast furnace from tuyeres through a lance into a blast furnace, wherein a parallel type lance prepared by bundling three independent blowing tubes in parallel and integrally housing them into an outer tube is used, and either one or both of the gaseous reducing material and the combustible gas and the solid reducing material are simultaneously blown through the respective blowing tubes, while the blowing tube for the solid reducing material and the blowing tube for the gaseous reducing material are positioned above the blowing tube for the combustible gas in the blowing through the parallel type lance as well as a lance structure thereof.
    Type: Application
    Filed: March 27, 2014
    Publication date: February 11, 2016
    Applicant: JFE STEEL CORPORATION
    Inventors: Daiki Fujiwara, Akinori Murao, Takeshi Kajisa, Mitsushi Tokudome
  • Patent number: 9091907
    Abstract: A projector apparatus which may include a light-emitting tube emitting illumination light, a reflector arranged to cover at least a portion of periphery of the light-emitting tube and formed so as to reflect the illumination light emitted by the light-emitting tube in a forward direction, a cooling fan disposed beside the reflector for blowing cooling air on the light-emitting tube, and an apparatus housing containing the reflector and the cooling fan. The reflector may have an intake port facing an air discharging port of the cooling fan and two discharging ports opening in direction perpendicular to or substantially perpendicular to the intake port. The two discharging ports of the reflector may have a combined discharge area which is twice or substantially twice an intake area of the intake port of the reflector.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: July 28, 2015
    Assignee: Sony Corporation
    Inventors: Masahiro Saito, Daiki Fujiwara
  • Publication number: 20150184263
    Abstract: A blast furnace operating method by blowing at least a solid reducing material into an inside of the furnace from a tuyere thereof with a lance, wherein a tube bundle-type lance formed by bundling a plurality of blowing tubes side-by-side and housing them in a main tube of the lance is used when only a solid reducing material or two kinds of a solid reducing material and a combustible gas or three kinds of a solid reducing material, a combustible gas and a gaseous reducing material are blown in the inside of the blast furnace, whereby the solid reducing material, combustible gas and gaseous reducing material are blown through the respective blowing tubes, and a tube bundle-type lance.
    Type: Application
    Filed: July 11, 2013
    Publication date: July 2, 2015
    Inventors: Akinori Murao, Daiki Fujiwara
  • Publication number: 20140159287
    Abstract: A method of operating a blast furnace includes two or more lances that inject reducing agents from a tuyere; injecting a solid reducing agent and a flammable reducing agent from different lances; and disposing the lances so that an axial line that extends from an end of the lance that injects the solid reducing agent and is the axial line of the lance that injects the solid reducing agent and an axial line that extends from an end of the lance that injects the flammable reducing agent and is the axial line of the lance that injects the flammable reducing agent cross each other, and so that a main flow of the solid reducing agent injected and a main flow of the flammable reducing agent injected overlap.
    Type: Application
    Filed: July 11, 2012
    Publication date: June 12, 2014
    Applicant: JFE STEEL CORPORATION
    Inventors: Daiki Fujiwara, Akinori Murao, Shiro Watakabe
  • Publication number: 20140131929
    Abstract: A method of operating a blast furnace comprising two or more lances that inject reducing agents from a tuyere including injecting a solid reducing agent and a flammable reducing agent from different lances; and arranging a position of an end of the lance that injects the flammable reducing agent closer to a near side in a injecting direction by more than 0 to 50 mm than a position of an end of the lance that injects the solid reducing agent.
    Type: Application
    Filed: July 11, 2012
    Publication date: May 15, 2014
    Applicant: JFE STEEL CORPORATION
    Inventors: Akinori Murao, Daiki Fujiwara, Shiro Watakabe
  • Publication number: 20110199583
    Abstract: A projector apparatus includes: a light-emitting tube emitting illumination light; a reflector covering the periphery of the light-emitting tube and reflecting the illumination light emitted by the light-emitting tube in a forward direction; a cooling fan disposed beside the reflector and blowing cooling air on the light-emitting tube; and an apparatus housing containing the reflector and the cooling fan, wherein the reflector has an intake port facing an air discharging port of the cooling fan and two discharging ports opening in direction perpendicular to or substantially perpendicular to the intake port.
    Type: Application
    Filed: February 10, 2011
    Publication date: August 18, 2011
    Applicant: Sony Corporation
    Inventors: Masahiro Saito, Daiki Fujiwara
  • Publication number: 20100091251
    Abstract: A heat dissipating device for an electronic apparatus includes an enclosure that houses a component of the electronic apparatus which becomes hot when the electronic apparatus is in use, the enclosure being made of a heat conductive material capable of dissipating heat in the enclosure to the outside, a heat receiving member provided between the component and the enclosure and capable of receiving heat from the component and transferring the received heat, a heat insulating member provided in contact with a side of the heat receiving member opposite from the component and configured to prevent transmission of the heat received by the heat receiving member, and a heat diffusing member provided between the heat insulating member and the enclosure in contact with both the heat insulating member and the enclosure and capable of receiving heat from the heat insulating member and diffusing the received heat into the enclosure.
    Type: Application
    Filed: December 8, 2009
    Publication date: April 15, 2010
    Inventors: Hiroko FUJIBAYASHI, Daiki Fujiwara, Hiroyuki Meguro, Noriyuki Hagino