Patents by Inventor Takuju Nakamura

Takuju Nakamura 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: 11936336
    Abstract: A solar energy utilization window includes two plate members, and a first prism, and an energy collection portion, in which the energy collection portion is installed with a predetermined gap interposed between the energy collection portion and a second side of a first prism, and in a triangular prism, a refractive index and each internal angle of the triangle are set so that there are three types of optical paths of sunlight that has passed through an outer glass and entered into a first prism from the first side.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: March 19, 2024
    Assignee: YAZAKI ENERGY SYSTEM CORPORATION
    Inventor: Takuju Nakamura
  • Publication number: 20240084595
    Abstract: A building includes an upper floor having a floor part, a directly lower floor located immediately below the floor part, a pillar provided on the floor part, an outer wall attached to the pillar and having one surface facing an external space and another surface facing an interior space, and an air-conditioning panel adopted in at least a part of the outer wall and provides an air-conditioning effect to the interior space. The floor part has a gap between the floor part and the outer wall, in which the gap is within the thickness range of the pillar, and is configured to allow air circulation between the directly lower floor and the upper floor through the gap.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 14, 2024
    Inventor: Takuju Nakamura
  • Publication number: 20240084594
    Abstract: A building includes a wall part formed by connecting panel members configured with a standard size having a height and a width. A surface of the wall part includes, when the width thereof is N times (N is an integer of 2 or more) the width, (N?? (? is an integer not less than 0 and less than N)) panel members arranged in a width direction, and a window portion corresponding to an area of ? panel members. A surface of the wall part includes, when the width thereof has a remainder with respect to M times (M is an integer of 2 or more) the width, (M?? (? is an integer not less than 0 and less than M)) panel members arranged in the width direction, and a window portion corresponding to an area of ? panel members+the remainder.
    Type: Application
    Filed: October 27, 2023
    Publication date: March 14, 2024
    Inventor: Takuju Nakamura
  • Publication number: 20240066852
    Abstract: In a vacuum insulation panel, a foam having open cells is accommodated as a core material in a hollow body having a hollow portion formed therein. The hollow body includes a first inner surface and a second inner surface that face each other with the hollow portion interposed therebetween. The core material includes a first surface facing the first inner surface and a second surface facing the second inner surface. A method for manufacturing the vacuum insulation panel includes an adhering step of adhering the first inner surface to the first surface, and adhering the second inner surface to the second surface.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Inventor: Takuju Nakamura
  • Publication number: 20240011649
    Abstract: An air-conditioning panel includes: a regenerative absorber having an absorbent liquid that absorbs a vapor refrigerant or an adsorbent agent that adsorbs the vapor refrigerant and discharging the vapor refrigerant absorbed by heating with sunlight; a condenser configured to liquefy the vapor refrigerant discharged from the regenerative absorber into a liquid refrigerant; and an evaporator configured to evaporate the liquid refrigerant from the condenser. The regenerative absorber and the condenser are formed on one surface side of the panel exposed to sunlight. The evaporator is formed on the other surface side of the panel. A first portion of the panel corresponding to the regenerative absorber is processed to have a solar absorptivity of 80% or more and a far-infrared emissivity of 80% or more. A second portion of the panel corresponding to the condenser is processed to have a solar reflectance of 80% or more.
    Type: Application
    Filed: September 22, 2023
    Publication date: January 11, 2024
    Inventor: Takuju Nakamura
  • Patent number: 11834899
    Abstract: A multi-stage prism window includes: a first prism configured to condense light whose angle is equal to or larger than a first predetermined angle on a reflective member and retroreflect the light; a second prism configured to condense light whose angle is equal to or larger than a second predetermined angle on an endothermic member or a reflective member and use the light for indoor heating; and a liquid control mechanism configured to fill at least one of a first space and a second space with a liquid, the first space being in contact with the first prism from an indoor side, the second space being in contact with the second prism from the indoor side.
    Type: Grant
    Filed: November 14, 2020
    Date of Patent: December 5, 2023
    Assignee: YAZAKI ENERGY SYSTEM CORPORATION
    Inventor: Takuju Nakamura
  • Publication number: 20230212053
    Abstract: A heat insulator includes a foamed glass body, and a hollow member that stores the foamed glass body in a hollow portion. The foamed glass body is composed of a silicate glass material containing R2O compounds and RO compounds. In a case that a value A is a weight ratio (%) of the R2O compounds in terms of oxides to the whole, and a value B is a weight ratio (%) of the RO compounds in terms of oxides to the whole, an absolute value of a value C obtained by an expression of value A?2.08×value B is 5.27 or less, or an absolute value of a value D obtained by an expression of value A?2.68×value B is 3.23 or less.
    Type: Application
    Filed: March 15, 2023
    Publication date: July 6, 2023
    Inventor: Takuju Nakamura
  • Publication number: 20230193686
    Abstract: A heat-insulating window panel includes: a light-transmissive member having light transmissivity; and a panel member including an outdoor substrate that supports the light-transmissive member from an outdoor side via a first elastic body, an indoor substrate that supports the light-transmissive member from an indoor side via a second elastic body without being in contact with the outdoor substrate, and a heat-insulating material disposed between the outdoor substrate and the indoor substrate, and even when a force is applied to one of the outdoor substrate and the indoor substrate in a direction away from the other to move the one in a separating direction, the outdoor substrate and the indoor substrate have a hooking margin for hooking the one on the other.
    Type: Application
    Filed: February 14, 2023
    Publication date: June 22, 2023
    Inventor: Takuju Nakamura
  • Publication number: 20230191473
    Abstract: A method for manufacturing a metal container includes a first step of forming a substantially planar four-sided bag using a metal plate; a second step of sandwiching, by first and second parallel plate jigs, one surface and the other surface of the four-sided bag formed in the first step; and a third step of pressurizing an inside of the four-sided bag while maintaining a contact state by the first and second parallel plate jigs with respect to the four-sided bag sandwiched between the first and second parallel plate jigs in the second step, and expanding a volume space in the four-sided bag while increasing a distance between the first and second parallel plate jigs.
    Type: Application
    Filed: February 23, 2023
    Publication date: June 22, 2023
    Inventor: Takuju Nakamura
  • Patent number: 11643585
    Abstract: This latent heat storage body is provided with: a latent heat storage material; and a temperature-sensitive material exhibiting different functions at a temperature equal to or higher than a specific temperature and at a temperature lower than the specific temperature, in which a phase change temperature is changed by using the function of the temperature-sensitive material according to ambient temperature. This latent heat storage body is characterized in that: the phase change temperature is set, by the function of the temperature-sensitive material when the ambient temperature is lower than the specific temperature, to one among a low temperature setting and a high temperature setting having a higher temperature than the low temperature setting; and the phase change temperature is set to the other setting among the low temperature setting and the high temperature setting by the function of the temperature-sensitive material when the ambient temperature is equal to or higher than the specific temperature.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: May 9, 2023
    Assignee: YAZAKI ENERGY SYSTEM CORPORATION
    Inventor: Takuju Nakamura
  • Patent number: 11608676
    Abstract: An outer wall material includes a first transparent member integrally or separately including a transparent plate material and a prism portion; and a reflection member provided on a second side of the prism portion of the first transparent member. The prism portion causes the reflection member to collect light whose angle with respect to a normal line of the plate material is equal to or greater than a predetermined angle and to retro-reflect the collected light, and transmits light whose angle with respect to the normal line of the plate material is less than the predetermined angle.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: March 21, 2023
    Assignee: YAZAKI ENERGY SYSTEM CORPORATION
    Inventor: Takuju Nakamura
  • Patent number: 11577194
    Abstract: A desiccant window includes: a transparent triangular prism that is disposed between first and second plates, is configured of a first side along the first glass and second and third sides which have an angle with respect to the first side in a sectional view, and forms (three) types of optical paths; and a desiccant heat receiving unit that has hygroscopicity and is disposed between the first and second plates, is installed on the second side of the triangular prism), and is received solar heat and releases absorbed moisture by heating using the received heat received.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: February 14, 2023
    Assignee: YAZAKI ENERGY SYSTEM CORPORATION
    Inventor: Takuju Nakamura
  • Patent number: 11572735
    Abstract: A multistage prism window includes first and second transparent plate materials, a first prism, a reflection member, a second prism, and a heat absorption member. The first prism collects, onto the reflection member, light whose angle with respect to a normal line of the first and second transparent plate materials is equal to or greater than a first predetermined angle and transmits light whose angle with respect thereto is smaller than the first predetermined angle. The second prism collects, onto the heat absorption member, light whose angle with respect to the normal line is smaller than the first predetermined angle and equal to or greater than a second predetermined angle and transmits light whose angle with respect thereto is smaller than the second predetermined angle.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: February 7, 2023
    Assignee: YAZAKI ENERGY SYSTEM CORPORATION
    Inventor: Takuju Nakamura
  • Patent number: 11566799
    Abstract: A structural body includes a refrigerant between a first plate and a second plate. A circulation structural part between the first and second plates includes a reservoir portion provided on a first plate side. In the circulation structural part, the refrigerant from the reservoir portion which has evaporated due to heat of the first plate side reaches a second plate side, condenses on the second plate side and is returned to the reservoir portion again. A temperature sensitive mechanism is in a first state when a temperature of the first plate side is equal to or higher than a predetermined temperature to allow refrigerant circulation, and is in a second state different from the first state when the temperature is lower than the predetermined temperature to prohibit the refrigerant circulation.
    Type: Grant
    Filed: November 14, 2020
    Date of Patent: January 31, 2023
    Assignee: YAZAKI ENERGY SYSTEM CORPORATION
    Inventor: Takuju Nakamura
  • Patent number: 11486608
    Abstract: A heat exchanging device includes a regenerator that heats an absorbent by external energy and generates a vapor refrigerant by evaporating a refrigerant from the absorbent, a condenser that generates a liquid refrigerant by cooling and liquefying the vapor refrigerant, an evaporator that generates a vapor refrigerant by vaporizing the vapor refrigerant, an absorber that absorbs the liquid refrigerant into the absorbent, and first and second cover members arranged opposite to each other. The evaporator absorbs heat from a space on a second cover member side in a space between the first and second cover members through the second cover member. The absorber dissipates the heat from a space on a first cover member side in the space between the first and second cover members through the first cover member, and circulates the refrigerant and the absorbent.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: November 1, 2022
    Assignee: PORTA-PARK, INC.
    Inventor: Takuju Nakamura
  • Patent number: 11319749
    Abstract: Provided is a retroreflective window which can block a direct light ray and reflect it to a sun side while maintaining a viewability and enhance a usability of the direct light ray. The retroreflective window (1 to 3) includes first and second transparent plate materials, a transparent first prism which is disposed between the first and second transparent plate materials, and a switching member which is installed facing a second side of the first prism and can be switched between a reflective state in which a reflectance of visible light rays and infrared rays is 70% or more and a non-reflective state in which the reflectance of visible light rays and infrared rays is 30% or less.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: May 3, 2022
    Assignee: YAZAKI ENERGY SYSTEM CORPORATION
    Inventor: Takuju Nakamura
  • Publication number: 20220128315
    Abstract: A structure includes: a heat insulating layer; an evaporator provided on one surface side of the heat insulating layer; a condenser provided on the other surface side of the heat insulating layer; a vapor flow path for guiding refrigerant vapor generated as a result of evaporation at the evaporator to the condenser; and a liquid refrigerant flow path for guiding a liquid refrigerant generated as a result of condensation at the condenser to the evaporator, in which the evaporator has a wick layer for evaporating the refrigerant stored on a lower portion side with heat from one surface side of the evaporator while suctioning up the refrigerant by capillarity and holding the refrigerant, and the evaporator and the condenser are installed so as to overlap by ½ or more in the direction in which the wick layer suctions up the refrigerant.
    Type: Application
    Filed: January 7, 2022
    Publication date: April 28, 2022
    Inventor: Takuju Nakamura
  • Patent number: 11313629
    Abstract: A latent heat storage window includes a plurality of cells, an operation mechanism, and a magnetic material. The plurality of cells are formed by encapsulating a latent heat storage material including two or more components. The operation mechanism can be operated by a user. The magnetic material causes a specific component of the two or more components included in the latent heat storage material to be unevenly distributed when the operation mechanism is operated.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: April 26, 2022
    Assignee: YAZAKI ENERGY SYSTEM CORPORATION
    Inventor: Takuju Nakamura
  • Patent number: 11313172
    Abstract: A pivot window includes a laminated body capable of rotating in a state where a first plate material is directed outdoors and in a state where a second plate material is directed outdoors. The laminated body uses at least one of solar heat, atmospheric heat, and atmospheric humidity, and provides a humidity control effect to the room in both of the state where the first plate material is directed outdoors and the state where the second plate material is directed outdoors. The laminated body is not limited to the one providing the humidity control effect, but may be the one providing a temperature control effect. The laminated body may use the concentration of a specific gas in the atmosphere such as atmospheric oxygen concentration, atmospheric carbon dioxide concentration, and atmospheric volatile organic compound (VOC) concentration, and may provide a component concentration adjusting effect to the room.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: April 26, 2022
    Assignee: YAZAKI ENERGY SYSTEM CORPORATION
    Inventor: Takuju Nakamura
  • Patent number: 11306977
    Abstract: A pivot window includes a laminated body. The laminated body includes two sheets of a plate material; a peripheral end member provided at a peripheral end parts of the two sheets of the plate material; and a cell array plate material which is interposed between the two sheets of the plate material and which has a plurality of cells respectively having a gas phase and encapsulating a latent heat storage material having a melting point and a freezing point in a specific temperature range. The pivot window further includes a rotation mechanism for causing the laminated body to perform at least half rotation in a vertical direction.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: April 19, 2022
    Assignee: YAZAKI ENERGY SYSTEM CORPORATION
    Inventor: Takuju Nakamura