Patents by Inventor Masataka Nonaka

Masataka Nonaka 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: 20210131168
    Abstract: A glass panel unit includes: a first glass pane; a second glass pane disposed to face the first glass pane; a frame disposed between the first glass pane and the second glass pane and hermetically bonding a first peripheral portion of the first glass pane and a second peripheral portion of the second glass pane together, the first peripheral portion extending along an outer periphery of the first glass pane, the second peripheral portion extending along an outer periphery of the second glass pane; a vacuum space surrounded by the first glass pane, the second glass pane, and the frame; a gas adsorbent disposed in the vacuum space; and a thermal insulation layer disposed between the gas adsorbent and the second glass pane.
    Type: Application
    Filed: March 13, 2019
    Publication date: May 6, 2021
    Inventors: Masataka NONAKA, Eiichi URIU, Kazuya HASEGAWA, Tasuku ISHIBASHI, Hiroyuki ABE, Takeshi SHIMIZU, Haruhiko ISHIKAWA
  • Publication number: 20210131167
    Abstract: An assembly includes: a pair of glass substrates; a peripheral wall disposed between the glass substrates; partitions; an evacuation port; and air passages. The partitions are provided to partition an internal space, surrounded with the glass substrates and the peripheral wall, into an evacuation space and a ventilation space. The evacuation port connects the ventilation space to an external environment. The air passages are used to evacuate the evacuation space through the evacuation port. The air passages include particular air passages arranged in a second direction perpendicular to a first direction, in which the glass substrates face each other, to constitute a ventilation path running through the internal space in the second direction.
    Type: Application
    Filed: April 19, 2019
    Publication date: May 6, 2021
    Inventors: Tasuku ISHIBASHI, Eiichi URIU, Kazuya HASEGAWA, Hiroyuki ABE, Masataka NONAKA, Takeshi SHIMIZU, Haruhiko ISHIKAWA
  • Publication number: 20210131169
    Abstract: A glass panel unit manufacturing method includes a glue arrangement step, a pillar forming step, an assembly forming step, a bonding step, an evacuation step, and a sealing step. The glue arrangement step includes arranging a hot glue including a frame member and a partition on either a first panel having a predetermined degree of warpage or a second panel. The pillar forming step includes placing pillars on either the first or second panel. The assembly forming step includes forming an assembly. The bonding step includes heating the assembly with the first panel arranged to form an upper part of the assembly and the second panel arranged to form a lower part of the assembly to bond the first panel and the second panel together. The evacuation step includes reducing pressure in an internal space. The sealing step includes creating a hermetically sealed evacuated space by closing an exhaust port.
    Type: Application
    Filed: April 15, 2019
    Publication date: May 6, 2021
    Inventors: Takeshi SHIMIZU, Hiroyuki ABE, Masataka NONAKA, Kazuya HASEGAWA, Eiichi URIU, Tasuku ISHIBASHI, Haruhiko ISHIKAWA
  • Publication number: 20210123297
    Abstract: A method for manufacturing a glass panel unit includes a glue arrangement step, a pillar placement step, an assembly forming step, a bonding step, an evacuation step, and a sealing step. The evacuation step reduces pressure in an internal space by exhausting, with predetermined suction power, a gas from the internal space via a valve and an exhaust port. The valve includes a first valve allowing the gas to flow through a first channel area and a second valve allowing the gas to flow through a second channel area larger than the first channel area. The evacuation step includes a first evacuation step to be performed first and a second evacuation step to be performed next. In the first evacuation step, the first valve is opened and the second valve is closed. In the second evacuation step, the first valve is closed and the second valve is opened.
    Type: Application
    Filed: May 23, 2019
    Publication date: April 29, 2021
    Inventors: Takeshi SHIMIZU, Masataka NONAKA, Haruhiko ISHIKAWA, Eiichi URIU, Kazuya HASEGAWA, Tasuku ISHIBASHI, Hiroyuki ABE
  • Publication number: 20210123295
    Abstract: An assembly includes a plurality of partitions to partition an internal space, surrounded with a pair of glass substrates arranged to face each other and a the peripheral wall having a frame shape and provided between the pair of glass substrates, into an evacuation space and a ventilation space. The plurality of partitions includes a first partition and a second partition, of which lengths are defined in two different directions. An end of the second partition faces a side portion of the first partition with a predetermined gap left between them. A space between the end of the second partition and the side portion of the first partition constitutes an air passage to evacuate the evacuation space through an evacuation port. The second partition includes, at the end thereof, a swollen portion protruding toward the evacuation space at least along the width of the second partition.
    Type: Application
    Filed: April 19, 2019
    Publication date: April 29, 2021
    Inventors: Tasuku ISHIBASHI, Eiichi URIU, Kazuya HASEGAWA, Hiroyuki ABE, Masataka NONAKA, Takeshi SHIMIZU, Haruhiko ISHIKAWA
  • Publication number: 20210115729
    Abstract: A method for manufacturing a glass panel unit includes an adhesive disposing step, a glass composite generation step, an internal space forming step, an evacuation step, and an evacuated space forming step. The adhesive disposing step includes disposing a thermal adhesive on a second panel. The glass composite generation step includes generating a glass composite including a first panel, the second panel, and the thermal adhesive. The internal space forming step includes heating the glass composite to melt the thermal adhesive to form internal spaces (a first space and a second space). The evacuation step includes exhausting gas from the internal space to evacuate the internal space. The evacuated space forming step includes heating and applying force to part of a first portion or a second portion to deform the part to close an evacuation path to form an evacuated space hermetically closed.
    Type: Application
    Filed: March 13, 2019
    Publication date: April 22, 2021
    Inventors: Tasuku ISHIBASHI, Eiichi URIU, Kazuya HASEGAWA, Hiroyuki ABE, Masataka NONAKA, Takeshi SHIMIZU, Haruhiko ISHIKAWA
  • Publication number: 20210108458
    Abstract: A glass panel unit assembly includes: a pair of glass substrates arranged to face each other; a peripheral wall; a partition; an air passage; and an evacuation port. The peripheral wall has a frame shape and is disposed between the pair of glass substrates. The partition partitions an internal space, surrounded with the pair of glass substrates and the peripheral wall, into a first space and a second space. The air passage connects the first space and the second space together. The evacuation port connects the second space to an external environment. The partition is lower in height than the peripheral wall.
    Type: Application
    Filed: March 8, 2019
    Publication date: April 15, 2021
    Inventors: Tasuku ISHIBASHI, Eiichi URIU, Kazuya HASEGAWA, Hiroyuki ABE, Masataka NONAKA, Takeshi SHIMIZU, Haruhiko ISHIKAWA
  • Patent number: 10974985
    Abstract: A glass panel unit manufacturing method includes a bonding step, a pressure reducing step, and a sealing step. The bonding step includes bonding together a first substrate and a second substrate with a first sealant to create an inner space. The pressure reducing step includes producing a reduced pressure in the inner space through an exhaust port that the first substrate has. The sealing step includes melting and expanding a second sealant, inserted into the exhaust port, by heating the second sealant and thereby sealing the exhaust port up with the second sealant expanded to the point of coming into contact with a dam arranged in the inner space.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: April 13, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takeshi Shimizu, Tasuku Ishibashi, Eiichi Uriu, Kazuya Hasegawa, Masataka Nonaka, Hiroyuki Abe, Haruhiko Ishikawa
  • Publication number: 20210095517
    Abstract: A work in progress includes: a pair of glass substrates arranged to face each other; a peripheral wall having a frame shape and disposed between the pair of glass substrates; a boundary wall; and an evacuation port. The boundary wall hermetically separates an internal space, surrounded with the pair of glass substrates and the peripheral wall, into an evacuation space, a buffer space, and a ventilation space. The evacuation port connects the ventilation space to an external environment. The evacuation space and the buffer space have a lower internal pressure than the ventilation space. A predetermined part, including the evacuation space but excluding parts covering the buffer space and the ventilation space, of the work in progress, forms the glass panel unit.
    Type: Application
    Filed: March 22, 2019
    Publication date: April 1, 2021
    Inventors: Eiichi URIU, Tasuku ISHIBASHI, Kazuya HASEGAWA, Hiroyuki ABE, Masataka NONAKA, Takeshi SHIMIZU, Haruhiko ISHIKAWA
  • Patent number: 10941608
    Abstract: A glass panel unit including a first panel including at least a first glass plate; a second panel arranged to face the first panel and including at least a second glass plate; a frame member formed in a shape of a frame, corresponding in shape to respective peripheral portions of the first panel and the second panel extending along edges thereof, and bonded to the peripheral portions; and at least one spacer provided in a vacuum space between the first panel and the second panel. The at least one spacer containing a polyimide, where the polyimide has an absorption edge at which an absorption index decreases in an optical absorption spectrum ranging from an ultraviolet ray to visible radiation, the absorption edge being equal to or less than 400 nm, and the polyimide includes at least one selected from the group consisting of a fluorine group and a chlorine group.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: March 9, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiroyuki Abe, Eiichi Uriu, Kazuya Hasegawa, Masataka Nonaka, Tasuku Ishibashi
  • Patent number: 10941068
    Abstract: A glass panel unit manufacturing method includes a bonding step, a pressure reducing step, and a sealing step. The bonding step includes bonding together a first substrate and a second substrate with a first sealant to create an inner space. The pressure reducing step includes producing a reduced pressure in the inner space through an exhaust port that the first substrate has. The sealing step includes irradiating a second sealant, inserted into the exhaust port, with an infrared ray through a region, where a low emissivity film is nonexistent, of the second substrate.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: March 9, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Masataka Nonaka, Eiichi Uriu, Takeshi Shimizu, Haruhiko Ishikawa, Kazuya Hasegawa, Tasuku Ishibashi, Hiroyuki Abe
  • Publication number: 20210017805
    Abstract: A glass panel unit having an exhaust pipe not protruding from the glass panel unit and an evacuation port tightly sealed, a glass window. A glass panel unit includes a first panel, a second panel, a seal member having a frame shape, a pore sealing material, and a bonding portion. The seal member hermetically bonds a peripheral portion of the first panel and a peripheral portion of the second panel together such that a hermetically sealed space in an evacuated state is formed between the first panel and the second panel. The pore sealing material hermetically seals an evacuation port formed in one of the first panel and the second panel. The bonding portion is bonded to the first panel and the second panel at part of a peripheral portion of the evacuation port and to suppress the first panel and the second panel from separating from each other.
    Type: Application
    Filed: March 13, 2019
    Publication date: January 21, 2021
    Inventors: Takeshi SHIMIZU, Masataka NONAKA, Haruhiko ISHIKAWA, Eiichi URIU, Kazuya HASEGAWA, Tasuku ISHIBASHI, Hiroyuki ABE
  • Publication number: 20210017074
    Abstract: A sealing head includes a frame, an intake unit, a pressing pin, and a non-contact heater. The frame is configured to be detachably attached to a work in progress of a glass panel unit. The intake unit, the pressing pin, and the non-contact heater are supported by the frame. The work in progress includes a first substrate, a second substrate, a bonding part, and an internal space. The first substrate has an evacuation port. The bonding part bonds the first substrate and the second substrate together. The internal space is formed by being surrounded by the first substrate, the second substrate, and the bonding part. The internal space is communicated with the evacuation port. The pressing pin is configured to press, toward the second substrate, a sealing material which is heat fusible and which is inserted into the evacuation port. The non-contact heater is configured to locally heat the sealing material in a non-contact manner via the second substrate.
    Type: Application
    Filed: February 28, 2019
    Publication date: January 21, 2021
    Inventors: Haruhiko ISHIKAWA, Takeshi SHIMIZU, Masataka NONAKA, Eiichi URIU, Kazuya HASEGAWA, Tasuku ISHIBASHI, Hiroyuki ABE
  • Publication number: 20210009471
    Abstract: A method for manufacturing a glass panel unit, which reduces the amount of a getter material to enable a gettering ability to be realized at a relatively low temperature less likely to cause damage. The method includes a step of producing a getter material by heating an unprocessed getter material at a temperature higher than a prescribed temperature Te; a step of producing a preassembled component including a first and second glass pane, a heat-fusible sealing material, an internal space, and a gas adsorbent containing the getter material, and an evacuation port; a step of forming a frame body hermetically bonding the first glass pane and the second glass pane together by melting the heat-fusible sealing material with heat; and a step of heating the gas adsorbent at the prescribed temperature Te while the internal space is evacuated by exhausting air in the internal space through the evacuation port.
    Type: Application
    Filed: March 15, 2019
    Publication date: January 14, 2021
    Inventors: Hiroyuki ABE, Eiichi URIU, Kazuya HASEGAWA, Tasuku ISHIBASHI, Masataka NONAKA, Takeshi SHIMIZU, Haruhiko ISHIKAWA
  • Publication number: 20210010319
    Abstract: A glass panel unit assembly includes a pair of glass substrates arranged to face each other, a peripheral wall, a partition, an air passage, and an evacuation port. The peripheral wall has a frame shape and is provided between the pair of glass substrates. The partition partitions an internal space, surrounded with the pair of glass substrates and the peripheral wall, into a first space and a second space. The air passage connects the first space and the second space together. The evacuation port connects the second space to an external environment. The partition has a broader width than the peripheral wall.
    Type: Application
    Filed: March 7, 2019
    Publication date: January 14, 2021
    Inventors: Tasuku ISHIBASHI, Eiichi URIU, Kazuya HASEGAWA, Hiroyuki ABE, Masataka NONAKA, Takeshi SHIMIZU, Haruhiko ISHIKAWA
  • Publication number: 20210002949
    Abstract: A glass panel unit assembly includes: glass substrates; a peripheral wall having a frame shape and disposed between the glass substrates; a partition; an evacuation port; and a plurality of air passages. The partition partitions an internal space into an evacuation space, a ventilation space, and a coupling space. The evacuation port connects the ventilation space to an external environment. The plurality of air passages includes: a first air passage connecting the evacuation space to the coupling space; and a second air passage connecting the coupling space to the ventilation space. The second air passage includes a particular air passage having a larger dimension than any of the first air passage.
    Type: Application
    Filed: March 8, 2019
    Publication date: January 7, 2021
    Inventors: Tasuku ISHIBASHI, Eiichi URIU, Kazuya HASEGAWA, Hiroyuki ABE, Masataka NONAKA, Takeshi SHIMIZU, Haruhiko ISHIKAWA
  • Patent number: 10882784
    Abstract: An object of the invention is to provide a glass panel unit manufacturing method and a glass window manufacturing method which enable a binder to be effectively removed from a glass adhesive, provide high adhesive strength between panels, and enable a vacuum space to be stably formed. A method for manufacturing a glass panel unit includes: disposing a glass adhesive to have one part as a low step part thinner than the other part of the glass adhesive; disposing a first substrate including at least a first glass substrate and a second substrate including at least a second glass substrate to face each other; and heating glass composite to form an inner space; reducing the pressure of the inner space; and forming a vacuum space from the inner space. The glass adhesive includes glass powder and a binder.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: January 5, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tasuku Ishibashi, Eiichi Uriu, Kazuya Hasegawa, Masataka Nonaka, Hiroyuki Abe
  • Patent number: 10858279
    Abstract: A glass panel unit manufacturing method includes a bonding step, a pressure reducing step, and a sealing step. The bonding step includes bonding together a first substrate and a second substrate with a first sealant to create an inner space. The pressure reducing step includes producing a reduced pressure in the inner space through an exhaust port that the first substrate has. The sealing step includes melting a second sealant inserted into the exhaust port by locally heating the second sealant, and deforming the second sealant by pressing the second sealant toward the second substrate, to seal the exhaust port up with the second sealant melted and deformed.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: December 8, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takeshi Shimizu, Tasuku Ishibashi, Eiichi Uriu, Kazuya Hasegawa, Masataka Nonaka, Hiroyuki Abe, Haruhiko Ishikawa
  • Publication number: 20200362619
    Abstract: A glass panel unit includes a first glass panel, a second glass panel, a third glass panel, a first evacuated space, a second evacuated space, and a gas adsorbent. The third glass panel is arranged between the first glass panel and the second glass panel. The first evacuated space is created between the first glass panel and the third glass panel. The second evacuated space is created between the second glass panel and the third glass panel. The gas adsorbent is arranged, when viewed perpendicularly to a direction in which the first glass panel, the third glass panel, and the second glass panel are laid one on top of another, between two surfaces. One of the two surfaces is a surface, facing the third glass panel, of the first glass panel. The other of the two surfaces is a surface, facing the third glass panel, of the second glass panel.
    Type: Application
    Filed: March 15, 2019
    Publication date: November 19, 2020
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takeshi SHIMIZU, Masataka NONAKA, Haruhiko ISHIKAWA, Eiichi URIU, Kazuya HASEGAWA, Tasuku ISHIBASHI, Hiroyuki ABE
  • Publication number: 20200361110
    Abstract: A glass panel unit manufacturing method includes a punching step and a pillar mounting step. In the punching step, a punch punches at least one of a plurality of portions from a base material of a sheet to form at least one pillar. Each of the plurality of portions is surrounded by a corresponding one of a plurality of loop-shaped grooves in the base material. In the pillar mounting step, the at least one pillar is mounted on a surface of a first substrate including a glass pane.
    Type: Application
    Filed: August 5, 2020
    Publication date: November 19, 2020
    Inventors: Takeshi SHIMIZU, Hiroyuki ABE, Masataka NONAKA, Kazuya HASEGAWA, Eiichi URIU, Haruhiko ISHIKAWA, Tasuku ISHIBASHI, Hiroshi TAKAHASHI, Shinobu WATANABE