Patents by Inventor Akira Seki

Akira Seki 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: 10774405
    Abstract: Steel has a chemical composition that contains 0.050% to 0.40% of C, 0.50% to 3.0% of Si, 3.0% to 8.0% of Mn, and 0.001% to 3.0% of sol. Al, by mass %, and has a metallographic structure that contains 10% to 40% of austenite in terms of % by volume. The average concentration of C in austenite is 0.30% by 0.60%, by mass %, structure uniformity, which is represented by a value obtained by subtracting the minimum value from the maximum value of Vickers hardness that is measured, in the metallographic structure is 30 Hv or less, and the tensile strength is 900 MPa to 1800 MPa.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: September 15, 2020
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Koutarou Hayashi, Akira Seki, Kazuya Mishio, Shuhei Shimokawa
  • Publication number: 20200269735
    Abstract: In the vehicle seat, rear suspension members are provided at two positions spaced away from each other in a lateral direction on an edge of a seat cushion near a seatback, and support the seat cushion while the seat cushion is suspended from a seat cushion support frame so that the seat cushion is movable in the lateral direction. A front suspension member is provided at one position or two positions spaced away from each other in the lateral direction on ahead of the rear suspension members, and supports the seat cushion while the seat cushion is suspended from the seat cushion support frame so that the seat cushion is movable in the lateral direction.
    Type: Application
    Filed: February 20, 2020
    Publication date: August 27, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tetsuya NAGAI, Kohshi KATOH, Takashi SUGIMOTO, Osamu ODA, Ryunosuke SEKI, Kenji IIDA, AKira TAKINAMI, Masatoshi HADA
  • Publication number: 20200102703
    Abstract: A recording medium manufacturing apparatus includes at least one material supplying section which includes a storage unit which stores a fiber-containing material containing cellulose fibers and a resin, at least one carrying body which carries the fiber-containing material which is supplied from the material supplying section, a transfer-target body onto which the fiber-containing material which is carried by the carrying body is electrostatically transferred, and an after-treatment unit which performs an after-treatment on the fiber-containing material which is electrostatically transferred onto the transfer-target body.
    Type: Application
    Filed: December 14, 2017
    Publication date: April 2, 2020
    Inventors: Kaneo YODA, Yasumasa NAKAJIMA, Seiichi TANIGUCHI, Shunichi SEKI, Akira ARAI, Kazuhiro ICHIKAWA, Hiroshi TANAKA, Hiroki KURATA
  • Patent number: 10576966
    Abstract: A control system for hybrid vehicles to properly select an operating mode during autonomous operation is provided. An operating mode of the hybrid vehicle is selected from a hybrid mode and an electric vehicle mode. A controller that is configured to: determine an existence of a passenger in a vehicle compartment; select the electric vehicle mode in a case that the hybrid vehicle is operated autonomously while carrying the passenger; and select the hybrid mode in a case that the hybrid vehicle is operated autonomously without carrying the passenger.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: March 3, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takahito Endo, Yasuhiro Oshiumi, Kensei Hata, Yasuyuki Kato, Yushi Seki, Katsuya Iwazaki, Akira Murakami
  • Patent number: 10559235
    Abstract: Disclosed herein is a display apparatus including: a first pixel including three sub-pixels for displaying three primary colors respectively; and a second pixel including three sub-pixels for displaying two colors selected among the three primary colors and a predetermined color other than the three primary colors, wherein, in the first pixel, the size of the display surface of a sub-pixel for displaying a specific color included in the three primary colors as a specific color missing from the second pixel is larger than each of the sizes of the display surfaces of the two other sub-pixels for displaying the two other primary colors respectively.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: February 11, 2020
    Assignee: Japan Display Inc.
    Inventors: Yasuyuki Matsui, Akira Sakaigawa, Masaaki Kabe, Kenta Seki
  • Publication number: 20200011009
    Abstract: A sheet is configured to have a first complex having a fiber and a fiber aggregation inhibitor integrally, a second complex having a fiber and a fiber aggregation inhibitor integrally, and a binding material which combines the first complex and the second complex and contains a resin.
    Type: Application
    Filed: January 30, 2018
    Publication date: January 9, 2020
    Inventors: Akira ARAI, Kaneo YODA, Shunichi SEKI, Yoshihiro UENO, Kazuhiro ICHIKAWA, Shinichi KATO, Hidehiro TAKANO
  • Patent number: 10504396
    Abstract: A display device includes: a display unit that includes a plurality of pixels and a plurality of scanning signal lines delivering scanning pulses to the plurality of pixels; and a scanning unit that includes a first switch provided in association with each of the plurality of scanning signal lines and selectively extracting the scanning pulse from one of a plurality of scanning pulse signals including the plurality of scanning pulses.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: December 10, 2019
    Assignee: Sony Corporation
    Inventors: Seiichiro Jinta, Akira Yumoto, Takahiro Seki
  • Publication number: 20190259311
    Abstract: Disclosed herein is a display apparatus including: a first pixel including three sub-pixels for displaying three primary colors respectively; and a second pixel including three sub-pixels for displaying two colors selected among the three primary colors and a predetermined color other than the three primary colors, wherein, in the first pixel, the size of the display surface of a sub-pixel for displaying a specific color included in the three primary colors as a specific color missing from the second pixel is larger than each of the sizes of the display surfaces of the two other sub-pixels for displaying the two other primary colors respectively.
    Type: Application
    Filed: May 1, 2019
    Publication date: August 22, 2019
    Inventors: Yasuyuki Matsui, Akira Sakaigawa, Masaaki Kabe, Kenta Seki
  • Patent number: 10373533
    Abstract: Disclosed herein is a display apparatus including: a first pixel including three sub-pixels for displaying three primary colors respectively; and a second pixel including three sub-pixels for displaying two colors selected among the three primary colors and a predetermined color other than the three primary colors, wherein, in the first pixel, the size of the display surface of a sub-pixel for displaying a specific color included in the three primary colors as a specific color missing from the second pixel is larger than each of the sizes of the display surfaces of the two other sub-pixels for displaying the two other primary colors respectively.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: August 6, 2019
    Assignee: Japan Display Inc.
    Inventors: Yasuyuki Matsui, Akira Sakaigawa, Masaaki Kabe, Kenta Seki
  • Patent number: 10343675
    Abstract: A vehicle control system to operate a vehicle autonomously with improved energy efficiency and ride quality is provided. A controller is configured to set a limit value of an operating point of an engine to reduce noises and vibrations. The operating point of the engine is restricted by the limit value within an acceptable region where an engine speed is higher than the limit value but an engine torque is lower than the limit value. The limit value is set to a first limit value when the vehicle is operated autonomously while carrying the passenger, and to a second limit value to expand the acceptable region when the vehicle is operated autonomously without carrying the passenger.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: July 9, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kensei Hata, Yasuhiro Oshiumi, Takahito Endo, Yasuyuki Kato, Yushi Seki, Katsuya Iwazaki, Akira Murakami
  • Patent number: 10266911
    Abstract: Provided is a hot-formed member according to the present invention, having a predetermined chemical composition and having a metallographic microstructure containing austenite at an area ratio of 10 area % to 40 area % and in which total number density of particles of the austenite and martensite is equal to or greater than 1.0 number/?m2, in which tensile strength is from 900 MPa to 1300 MPa.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: April 23, 2019
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Koutarou Hayashi, Akira Seki
  • Patent number: 10090678
    Abstract: A production energy management system is provided, including a production and energy flow model definer configured to define a production and energy flow model wherein the production and energy flow model represents, by directed lines, a flow with regard to an input and output of a production-related material between apparatuses disposed in a plant and a flow with regard to an input and output of energy and associates index values of the production-related material and the energy with a kind of metered data measured in the plant, a data collector configured to collect the metered data from the plant, and an energy calculator configured to perform an energy calculation for each apparatus based on the collected metered data and the defined production and energy flow model.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: October 2, 2018
    Assignee: Yokogawa Electric Corporation
    Inventors: Tomoyuki Ikeyama, Hiroshi Watanabe, Ken-ichi Inoue, Akira Seki
  • Publication number: 20180034070
    Abstract: A stainless steel sheet used for a separator of a polymer electrolyte fuel cell, wherein the steel sheet has a volume ratio of M2B boride-based metal precipitates of 8% or higher and a volumetric-basis particle-size frequency distribution of M2B boride-based metal precipitates having sphere-equivalent diameters of 6.72 ?m or less of 99.5% or higher, in a surface layer which has a depth of 0.2 t from at least one of surfaces (t is an overall thickness of the steel sheet), and the steel sheet has an apparent density of 0.995 or higher, assuming a real density to be 1. A polymer electrolyte fuel cell in which the stainless steel sheet is used for a separator is given an excellent cell performance without high-cost surface treatment such as expensive gold plating for the reduction of the contact resistance of a surface.
    Type: Application
    Filed: February 24, 2016
    Publication date: February 1, 2018
    Inventors: Yoshio TARUTANI, Ryuji HAMADA, Takeo YAZAWA, Akira SEKI, Kazuhiko ADACHI, Junko IMAMURA
  • Publication number: 20170298488
    Abstract: A ferritic stainless steel material contains, by mass %, C: 0.02 to 0.15%, Si: 0.01 to 1.5%, Mn: 0.01 to 1.5%, P: 0.035% or less, S: 0.01% or less, Cr: 22.5 to 35.0%, Mo: 0.01 to 6.0%, Ni: 0.01 to 6.0%, Cu: 0.01 to 1.0%, N: 0.035% or less, V: 0.01 to 0.35%, B: 0.5 to 1.0%, Al: 0.001 to 6.0%, rare earth metal: 0 to 0.10%, Sn: 0 to 2.50%, and the balance: Fe and impurities, and a value calculated in mass % as {Cr+3×Mo?2.5×B?17×C} ranges from 20 to 45%. The ferritic stainless steel material has a parent phase comprising only a ferritic phase. At least composite metallic precipitates including M23C6 carbide-based metallic precipitates precipitated on surfaces and at peripheries of M2B boride-based metallic precipitates serving as precipitation nuclei are dispersed and exposed on a parent phase surface.
    Type: Application
    Filed: September 30, 2015
    Publication date: October 19, 2017
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Yoshio TARUTANI, Takeo YAZAWA, Ryuji HAMADA, Akira SEKI, Junko IMAMURA
  • Publication number: 20170207629
    Abstract: An industrial demand response enabling system according to an aspect of the present invention includes a first determination device configured to specify a first facility and a second facility among facilities installed in an industrial installation, the first facility being capable of addressing reduction of electric power used by the facility by partially stopping the facility or reducing capacity, and the second facility being capable of addressing reduction of electric power used by the facility by changing an operating time period of the facility and calculate a first reducible amount of the electric power reducible by the first facility and a second reducible amount of the electric power reducible by the second facility.
    Type: Application
    Filed: April 5, 2017
    Publication date: July 20, 2017
    Applicant: Yokogawa Electric Corporation
    Inventors: Akira SEKI, Teruaki MARUMO, Ken-ichi INOUE, Takao MARUYAMA, Hiroshi FUKUMINE, Masahiro TERADA, Akira ENDO
  • Patent number: 9680162
    Abstract: A stainless steel member for a separator of a solid polymer fuel cell has excellent cell properties with little deterioration in performance over long periods of operation without worsening of the corrosion resistance of a stainless steel separator. The stainless steel member has a stainless steel base metal, and a passive film and electrically conductive precipitates both provided on a surface of the stainless steel base metal. The electrically conductive precipitate penetrates the passive film and includes a substance originating from the stainless steel base metal. An electrically conductive layer comprising a nonmetallic electrically conductive substance is preferably provided on the surface of the passive film, and the electrically conductive layer is preferably electrically connected to the stainless steel base member through the electrically conductive precipitates.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: June 13, 2017
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Hideya Kaminaka, Junko Imamura, Akira Seki, Kouichi Takeuchi
  • Publication number: 20170161849
    Abstract: An industry demand-response control system of an aspect of the invention has an energy supplying facility, installed in an industrial installation, that supplies electrical energy and non-electrical energy, a production facility, installed in the industrial installation, that uses electrical energy and non-electrical energy to produce a product, and a facility controller that, in response to increasing and increasing the quantity of the product produced by the production facility, controls the proportion between the electrical energy and the non-electrical energy, wherein the facility controller performs control to convert the non-electrical energy that becomes surplus by reducing the quantity of product produced in response to a suppression request from an electricity provider to either supplement the electric power that is reduced or to sell, and to supplement the insufficient electrical energy caused by an increase in the amount of product produced by either stored electric power or purchased electric powe
    Type: Application
    Filed: February 23, 2017
    Publication date: June 8, 2017
    Applicant: Yokogawa Electric Corporation
    Inventors: Akira SEKI, Teruaki MARUMO, Ken-ichi INOUE, Takao MARUYAMA
  • Publication number: 20160333448
    Abstract: Steel has a chemical composition that contains 0.050% to 0.40% of C, 0.50% to 3.0% of Si, 3.0% to 8.0% of Mn, and 0.001% to 3.0% of sol. Al, by mass %, and has a metallographic structure that contains 10% to 40% of austenite in terms of % by volume. The average concentration of C in austenite is 0.30% by 0.60%, by mass %, structure uniformity, which is represented by a value obtained by subtracting the minimum value from the maximum value of Vickers hardness that is measured, in the metallographic structure is 30 Hv or less, and the tensile strength is 900 MPa to 1800 MPa.
    Type: Application
    Filed: January 6, 2014
    Publication date: November 17, 2016
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Koutarou HAYASHI, Akira SEKI, Kazuya MISHIO, Shuhei SHIMOKAWA
  • Publication number: 20160319389
    Abstract: Provided is a hot-formed member according to the present invention, having a predetermined chemical composition and having a metallographic microstructure containing austenite at an area ratio of 10 area % to 40 area % and in which total number density of particles of the austenite and martensite is equal to or greater than 1.0 number/?m2, in which tensile strength is from 900 MPa to 1300 MPa.
    Type: Application
    Filed: January 6, 2014
    Publication date: November 3, 2016
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Koutarou HAYASHI, Akira SEKI
  • Publication number: 20160079756
    Abstract: A production energy management system is provided, including a production and energy flow model definer configured to define a production and energy flow model wherein the production and energy flow model represents, by directed lines, a flow with regard to an input and output of a production-related material between apparatuses disposed in a plant and a flow with regard to an input and output of energy and associates index values of the production-related material and the energy with a kind of metered data measured in the plant, a data collector configured to collect the metered data from the plant, and an energy calculator configured to perform an energy calculation for each apparatus based on the collected metered data and the defined production and energy flow model.
    Type: Application
    Filed: March 12, 2014
    Publication date: March 17, 2016
    Applicant: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Tomoyuki IKEYAMA, Hiroshi WATANABE, Ken-ichi INOUE, Akira SEKI