Patents by Inventor Yoshihiro Sako

Yoshihiro Sako 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: 20230389562
    Abstract: A method for producing freeze-dried rice according to the present disclosure includes a rice cooking process of obtaining cooked rice by cooking rice with superheated steam, and a freeze-drying process of obtaining freeze-dried rice by freezing the obtained cooked rice and then drying the frozen cooked rice under vacuum. Preferably, in the rice cooking process, the cooked rice is obtained such that a rice cooking increase rate (a ratio of a weight of rice after cooking to a weight of rice before cooking) falls within a range of 260% to 280%. More preferably, in the freeze-drying process, the obtained cooked rice is washed, and then the cooked rice is frozen and dried.
    Type: Application
    Filed: June 6, 2022
    Publication date: December 7, 2023
    Applicant: lace foods Co., Ltd.
    Inventors: Yoshihiro SAKO, Mitsuhiro SATO
  • Publication number: 20230291106
    Abstract: An antenna device is provided that includes an antenna circuit and a resistance circuit. The antenna circuit has a first inductor. The resistance circuit has a second inductor and is electrically connected to the antenna circuit. The first inductor has a first winding and a core arranged inside the first winding. The second inductor has a second winding that comprises an air-core coil.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 14, 2023
    Inventor: Yoshihiro SAKO
  • Publication number: 20230210148
    Abstract: Provided is a method for producing cooked rice for individual consumption using non-immersed rice capable of cooking rice having a taste equivalent to that of cooked immersed rice. A method for producing cooked rice for individual consumption using non-immersed rice including: a rice washing step of washing rice; a supply step of supplying washed rice and water into an individual meal cooking container having an open upper surface; a cooking step of cooking the individual meal cooking container to which rice and water are supplied with steam; a sealing step of sealing an upper opening of the individual meal cooking container containing the cooked rice; and a sterilization step of heating the sealed individual meal cooking container, in which in the rice washing step, rice is washed with warm water at 30° C. or more and 80° C. or less.
    Type: Application
    Filed: June 4, 2020
    Publication date: July 6, 2023
    Applicant: ACE SYSTEM CO., LTD.
    Inventor: Yoshihiro SAKO
  • Patent number: 9871257
    Abstract: Provided is a porous electrode substrate having excellent thickness precision, gas permeability and conductivity, handling efficiency, low production costs and a high carbonization rate during carbonization. Also provided are a method for manufacturing such a substrate, a precursor sheet and fibrillar fiber used for forming such a substrate, along with a membrane electrode assembly and a polymer electrolyte fuel cell that contain such a substrate. The method for manufacturing a porous electrode substrate includes step (1) for manufacturing a precursor sheet in which short carbon fibers (A) and carbon fiber precursor (b) are dispersed, and step (2) for carbonizing the precursor sheet, and the volume contraction rate of carbon fiber precursor (b) in step (2) is 83% or lower.
    Type: Grant
    Filed: January 16, 2012
    Date of Patent: January 16, 2018
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Kazuhiro Sumioka, Shigeru Tanoue, Yoshihiro Sako
  • Patent number: 9786923
    Abstract: Provided is a porous electrode substrate having excellent thickness precision, gas permeability and conductivity, handling efficiency, low production costs and a high carbonization rate during carbonization. Also provided are a method for manufacturing such a substrate, a precursor sheet and fibrillar fiber used for forming such a substrate, along with a membrane electrode assembly and a polymer electrolyte fuel cell that contain such a substrate. The method for manufacturing a porous electrode substrate includes step (1) for manufacturing a precursor sheet in which short carbon fibers (A) and carbon fiber precursor (b) are dispersed, and step (2) for carbonizing the precursor sheet, and the volume contraction rate of carbon fiber precursor (b) in step (2) is 83% or lower.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: October 10, 2017
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Kazuhiro Sumioka, Shigeru Tanoue, Yoshihiro Sako
  • Patent number: 9780383
    Abstract: A process of producing a porous electrode substrate, including: dispersing first short carbon fibers and producing a first precursor sheet not having a three-dimensional entangled structure of the first short carbon fibers; treating the first precursor sheet such that the first short carbon fibers in the first precursor sheet are entangled and that a second precursor sheet having a three-dimensional entangled structure of the first short carbon fibers is obtained; dispersing second short carbon fibers on the second precursor sheet such that a porous electrode precursor sheet including the second precursor sheet and a third precursor sheet not having a three-dimensional entangled structure of the second short carbon fibers and stacked on the second precursor sheet is obtained; and carbonization treating the porous electrode substrate precursor sheet at a temperature of at least 1000° C. to obtain the porous electrode substrate.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: October 3, 2017
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Kazuhiro Sumioka, Yoshihiro Sako
  • Publication number: 20170110736
    Abstract: Provided is a porous electrode substrate having excellent thickness precision, gas permeability and conductivity, handling efficiency, low production costs and a high carbonization rate during carbonization. Also provided are a method for manufacturing such a substrate, a precursor sheet and fibrillar fiber used for forming such a substrate, along with a membrane electrode assembly and a polymer electrolyte fuel cell that contain such a substrate. The method for manufacturing a porous electrode substrate includes step (1) for manufacturing a precursor sheet in which short carbon fibers (A) and carbon fiber precursor (b) are dispersed, and step (2) for carbonizing the precursor sheet, and the volume contraction rate of carbon fiber precursor (b) in step (2) is 83% or lower.
    Type: Application
    Filed: December 27, 2016
    Publication date: April 20, 2017
    Applicant: MITSUBISHI RAYON CO., LTD.
    Inventors: Kazuhiro SUMIOKA, Shigeru Tanoue, Yoshihiro Sako
  • Patent number: 9343751
    Abstract: The provision of a porous electrode substrate that has large sheet strength, low production costs, high handling properties, high thickness precision and surface smoothness, and sufficient gas permeability and electrical conductivity. A porous electrode substrate including a three-dimensional entangled structure including short carbon fibers (A) dispersed in a three-dimensional structure, joined together via three-dimensional mesh-like carbon fibers (B). A method for producing a porous electrode substrate, including a step (1) of producing a precursor sheet including short carbon fibers (A), and short carbon fiber precursors (b) and/or fibrillar carbon fiber precursors (b?) dispersed in a two-dimensional plane; a step (2) of subjecting the precursor sheet to entanglement treatment; and a step (3) of subjecting this sheet to carbonization treatment at 1000° C. or higher. It is preferable to include a step (4) of subjecting the sheet to hot press forming at lower than 200° C.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: May 17, 2016
    Assignee: MITSUBISHI RAYON CO., LTD.
    Inventors: Kazuhiro Sumioka, Yoshihiro Sako
  • Patent number: 9325016
    Abstract: Provided are: a porous electrode substrate which has excellent handling properties and surface smoothness and satisfactory gas permeability and electrical conductivity, and enables the reduction of damage to a polymer electrolyte membrane when integrated into a fuel cell; and a process for producing the porous electrode substrate.
    Type: Grant
    Filed: October 26, 2011
    Date of Patent: April 26, 2016
    Assignee: MITSUBISHI RAYON CO., LTD.
    Inventors: Kazuhiro Sumioka, Yoshihiro Sako
  • Publication number: 20150280244
    Abstract: Provided are: a porous electrode substrate which has excellent handling properties and surface smoothness and satisfactory gas permeability and electrical conductivity, and enables the reduction of damage to a polymer electrolyte membrane when integrated into a fuel cell; and a process for producing the porous electrode substrate.
    Type: Application
    Filed: June 16, 2015
    Publication date: October 1, 2015
    Applicant: MITSUBISHI RAYON CO., LTD.
    Inventors: Kazuhiro SUMIOKA, Yoshihiro SAKO
  • Publication number: 20150274860
    Abstract: A process for producing a flame-resistant fiber bundle, the process comprising a step in which a flame-resistant fiber bundle (1) having a single-fiber density ?F1 of 1.26 g/cm3 to 1.36 g/cm3 is brought into contact sequentially with a heater group having a surface temperature TH of 240° C. to 400° C. under the following conditions (A), (B), and (C) to obtain a flame-resistant fiber bundle (2) having a single-fiber density ?F2 of 1.33 g/cm3 to 1.43 g/cm3: (A) the heater Hn+1 with which the fiber bundle is brought into contact “n+1”-thly has a highter temperature than the heater Hn with which the fiber bundle is brought into contact “n”-thly; (B) the total contact time between the fiber bundle and the heater group is 10 seconds to 360 seconds; and (C) the contact time between the fiber bundle and each heater is 2 seconds to 20 seconds.
    Type: Application
    Filed: December 26, 2012
    Publication date: October 1, 2015
    Inventors: Yoshihiro Sako, Hiroyuki Nakao, Tomoyuki Kotani, Yasuhito Tokoro, Hiroshi Tategaki, Akiyoshi Kogame, Kazunori Sumiya, Kenji Hirano
  • Publication number: 20150110937
    Abstract: [Problem] To provide cooked rice in which aging can be suppressed without using low-amylose rice and which shows little deterioration in taste even after storing at ordinary or low temperatures. [Solution] In a rice cooking device provided with a conveying means such as a conveyor for conveying rice having been soaked in water, a steamer for steaming the rice on the conveyor with hot steam, and a water sprinkler for supplying warm water to the rice on the conveyor in the steamer, warm water is poured in an amount exceeding the amount required for cooking the rice in the aforesaid step for steaming in the steamer so as to wash away amylose eluted from the rice.
    Type: Application
    Filed: February 6, 2013
    Publication date: April 23, 2015
    Inventors: Yoshihiro Sako, Hatsuho Takemitsu, Shinichi Kitamura
  • Patent number: 8986907
    Abstract: Provided is a porous electrode substrate having high mechanical strength, good handling properties, high thickness precision, little undulation, and adequate gas permeability and conductivity. Also provided is a method for producing a porous electrode substrate at low costs. A porous electrode substrate is produced by joining short carbon fibers (A) via mesh-like of carbon fibers (B) having an average diameter of 4 ?m or smaller. Further provided are a membrane-electrode assembly and a polymer electrolyte fuel cell that use this porous electrode membrane. A porous electrode substrate is obtained by subjecting a precursor sheet, in which short carbon fibers (A) and short carbon fiber precursors (b) having an average diameter of 5 ?m or smaller have been dispersed, to carbonization treatment after optional hot press forming and optional oxidization treatment.
    Type: Grant
    Filed: February 2, 2010
    Date of Patent: March 24, 2015
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Kazuhiro Sumioka, Yoshihiro Sako
  • Patent number: 8927173
    Abstract: Provided is a porous electrode substrate having high mechanical strength, good handling properties, high thickness precision, little undulation, and adequate gas permeability and conductivity. Also provided is a method for producing a porous electrode substrate at low costs. A porous electrode substrate is produced by joining short carbon fibers (A) via mesh-like of carbon fibers (B) having an average diameter of 4 ?m or smaller. Further provided are a membrane-electrode assembly and a polymer electrolyte fuel cell that use this porous electrode membrane. A porous electrode substrate is obtained by subjecting a precursor sheet, in which short carbon fibers (A) and short carbon fiber precursors (b) having an average diameter of 5 ?m or smaller have been dispersed, to carbonization treatment after optional hot press forming and optional oxidization treatment.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: January 6, 2015
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Kazuhiro Sumioka, Yoshihiro Sako
  • Publication number: 20130302714
    Abstract: Provided is a porous electrode substrate having excellent thickness precision, gas permeability and conductivity, handling efficiency, low production costs and a high carbonization rate during carbonization. Also provided are a method for manufacturing such a substrate, a precursor sheet and fibrillar fiber used for forming such a substrate, along with a membrane electrode assembly and a polymer electrolyte fuel cell that contain such a substrate. The method for manufacturing a porous electrode substrate includes step (1) for manufacturing a precursor sheet in which short carbon fibers (A) and carbon fiber precursor (b) are dispersed, and step (2) for carbonizing the precursor sheet, and the volume contraction rate of carbon fiber precursor (b) in step (2) is 83% or lower.
    Type: Application
    Filed: January 16, 2012
    Publication date: November 14, 2013
    Applicant: MITSUBISHI RAYON CO., LTD
    Inventors: Kazuhiro Sumioka, Shigeru Tanoue, Yoshihiro Sako
  • Patent number: 8574758
    Abstract: The present invention provides a porous electrode substrate that has low production cost, high mechanical strength, thickness precision, and surface smoothness, and sufficient gas permeability and electrical conductivity, and a method for producing the same. In the present invention, for example, a porous electrode substrate that includes short carbon fibers (A) joined together via three-dimensional mesh-like carbon fibers (B) is produced by a method including a step (1) of dispersing short carbon fibers (A), and short carbon fiber precursors (b) to be fibrillated by beating, to produce a precursor sheet; and a step (2) of subjecting the precursor sheet to carbonization treatment at a temperature of 1000° C. or higher.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: November 5, 2013
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Kazuhiro Sumioka, Yoshihiro Sako
  • Publication number: 20130273454
    Abstract: Provided is a porous electrode substrate having high mechanical strength, good handling properties, high thickness precision, little undulation, and adequate gas permeability and conductivity. Also provided is a method for producing a porous electrode substrate at low costs. A porous electrode substrate is produced by joining short carbon fibers (A) via mesh-like of carbon fibers (B) having an average diameter of 4 ?m or smaller. Further provided are a membrane-electrode assembly and a polymer electrolyte fuel cell that use this porous electrode membrane. A porous electrode substrate is obtained by subjecting a precursor sheet, in which short carbon fibers (A) and short carbon fiber precursors (b) having an average diameter of 5 ?m or smaller have been dispersed, to carbonization treatment after optional hot press forming and optional oxidization treatment.
    Type: Application
    Filed: May 13, 2013
    Publication date: October 17, 2013
    Applicant: Mitsubishi Rayon Co., Ltd.
    Inventors: Kazuhiro Sumioka, Yoshihiro Sako
  • Publication number: 20130224625
    Abstract: Provided are: a porous electrode substrate which has excellent handling properties and surface smoothness and satisfactory gas permeability and electrical conductivity, and enables the reduction of damage to a polymer electrolyte membrane when integrated into a fuel cell; and a process for producing the porous electrode substrate.
    Type: Application
    Filed: October 26, 2011
    Publication date: August 29, 2013
    Applicant: MITSUBISHI RAYON CO., LTD.
    Inventors: Kazuhiro Sumioka, Yoshihiro Sako
  • Patent number: 8358250
    Abstract: An antenna coil includes a wound body including a magnetic core, a bobbin surrounding the magnetic core, and a coil wound around the bobbin, a case in which the wound body is placed, and a foam disposed in a gap between the wound body and the case. The foam is compressed at a rate of about 45% to about 65% on the basis of a thickness of the foam in a non-load state. The antenna coil prevents breakage of the magnetic core and is suitable for use in a short-distance communication system in an LF-band.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: January 22, 2013
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Yoshihiro Sako, Kenji Naito, Takaaki Ooi
  • Publication number: 20120141911
    Abstract: The provision of a porous electrode substrate that has large sheet strength, low production costs, high handling properties, high thickness precision and surface smoothness, and sufficient gas permeability and electrical conductivity. A porous electrode substrate including a three-dimensional entangled structure including short carbon fibers (A) dispersed in a three-dimensional structure, joined together via three-dimensional mesh-like carbon fibers (B). A method for producing a porous electrode substrate, including a step (1) of producing a precursor sheet including short carbon fibers (A), and short carbon fiber precursors (b) and/or fibrillar carbon fiber precursors (b?) dispersed in a two-dimensional plane; a step (2) of subjecting the precursor sheet to entanglement treatment; and a step (3) of subjecting this sheet to carbonization treatment at 1000° C. or higher. It is preferable to include a step (4) of subjecting the sheet to hot press forming at lower than 200° C.
    Type: Application
    Filed: November 22, 2010
    Publication date: June 7, 2012
    Applicant: MITSUBISHI RAYON CO., LTD
    Inventors: Kazuhiro Sumioka, Yoshihiro Sako