Patents by Inventor Junichi Inagaki

Junichi Inagaki 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: 12343962
    Abstract: A multi-layer structure includes a glass layer having a thickness of greater than or equal to 10 ?m and less than or equal to 200 ?m; and a resin layer. A number of unit lamination structures in a thickness direction of the multi-layer structure is greater than or equal to 5 and less than or equal to 20,000, the unit lamination structure being a lamination structure composed of the glass layer and the resin layer.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: July 1, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi
  • Patent number: 12311645
    Abstract: Provided is a glass film-resin composite which makes it possible to obtain a long-length (e.g., 500 m or more-long) glass roll. The glass film-resin composite comprises a glass film, and a resin tape laminated to at least one surface of the glass film through an adhesive, wherein the width l (mm) of the resin tape satisfies the following formula (1). l ? a ? E g ? t g E p ? t p ( 1 ) (where: a represents a reinforcement coefficient (mm*(?m)1/2) which is 1.10 or more; Eg represents the Young's modulus (GPa) of the glass film; Ep represents the Young's modulus (GPa) of the resin tape; tg represents the thickness (?m) of the glass film; and tp represents the thickness (?m) of the resin tape.).
    Type: Grant
    Filed: August 28, 2023
    Date of Patent: May 27, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Junichi Inagaki, Kazuhito Hosokawa, Kota Nakai, Toshihiro Kanno
  • Patent number: 12285926
    Abstract: Provided is an optical laminate in which optical defects is less likely to occur when used in an optical device such as a display. A laminate (101) includes a flexible glass film (10) having a thickness of 150 ?m or less and a resin film (20) laminated on the glass film with an adhesive layer (50) interposed therebetween. The number of contaminants having a size of 100 ?m or more in the adhesive layer is preferably 10/m2 or less. When the contaminants protrude from the surface of the adhesive layer (50), the height and inclination angle of protrusions is preferably small.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: April 29, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventors: Junichi Inagaki, Takeshi Murashige, Toshihiro Kanno
  • Patent number: 12233627
    Abstract: Provided is a thin glass laminate, which is prevented from being broken by bending of a thin glass, and which is excellent in bending durability. The thin glass laminate of the present invention includes a resin film and a thin glass arranged at least on the resin film, wherein the thin glass has a thickness of from 30 ?m to 150 ?m, and wherein at least part of an end surface of the thin glass is formed of an inclined surface extending downward and outward and/or a curved surface. In one embodiment, at an upper end of the thin glass, at least part of the end surface is formed of the inclined surface extending downward and outward or the curved surface.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: February 25, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Junichi Inagaki, Akiko Sugino, Atsushi Kishi
  • Patent number: 12215972
    Abstract: Provided is a sensor device in which the sensitivity of a strain sensor is hardly inhibited despite the fact that a glass material is used as a protective material, and in which the glass material hardly breaks. The sensor device of the present invention includes: an optical laminate including a glass film, an adhesive layer, a resin layer, and a pressure-sensitive adhesive layer in the stated order; and a strain-sensing unit, wherein the glass film has a thickness of from 20 ?m to 150 ?m. In one embodiment, the strain-sensing unit is arranged on a pressure-sensitive adhesive layer side of the optical laminate.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: February 4, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventors: Junichi Inagaki, Takeshi Murashige, Keisuke Sato
  • Publication number: 20240367414
    Abstract: A multilayer structure includes a polarizing plate; a glass layer laminated on one side of the polarizing plate via an adhesive layer; and an optical display laminated on another side of the polarizing plate via a bonding layer, wherein the glass layer has a thickness of 10 ?m or more and 300 ?m or less, and a thickness x of the bonding layer and an elastic modulus y of the bonding layer at 85° C. satisfy y?(299/60)x?296/3.
    Type: Application
    Filed: August 24, 2022
    Publication date: November 7, 2024
    Inventors: Junichi INAGAKI, Keisuke SATO, Ryo WATANABE
  • Patent number: 12030281
    Abstract: A method of manufacturing a glass resin laminated body includes a step of sticking a glass film on a resin film via an adhesive layer while holding the glass film and the resin film between a first roller that presses against the resin film and a second roller that is disposed opposite to the first roller and that presses against the glass film. A ratio of an elastic modulus P1 of a surface layer of the first roller to an elastic modulus P2 of the resin film P1/P2 satisfies a relation of 3×10?3?P1/P2?1.0.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: July 9, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Keisuke Sato, Takeshi Murashige, Junichi Inagaki, Atsushi Kishi
  • Patent number: 12030297
    Abstract: Provided is a glass film-resin composite, which prevents the breakage of a glass film and enables the production of an elongated glass film. The glass film-resin composite of the present invention includes: an elongated glass film; a resin tape, which is arranged on at least one surface of the elongated glass film and is linearly arranged at least near each of both ends in a widthwise direction of the elongated glass film in one surface of the elongated glass film; a protective layer, which is arranged near each of both the ends in the widthwise direction of the surface of the elongated glass film having arranged thereon the resin tape and on an outside of the resin tape in the widthwise direction; and a resin layer arranged on one surface of the elongated glass film.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: July 9, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Keisuke Sato, Takeshi Murashige, Junichi Inagaki, Atsushi Kishi
  • Patent number: 11999133
    Abstract: Provided is a method comprises: continuously forming an elongated, glass film having marginal portions from molten glass into a given shape having two marginal portions, in width-directional opposite edge regions thereof, wherein the glass film having marginal portions has the marginal portions, and an effective portion formed in a width-directional central region of the glass film having marginal portions; annealing the glass film having marginal portions; continuously forming resin tapes on the glass film having marginal portions at positions adjacent to and away by a given distance from the respective marginal portions, to extend in a length direction of the glass film having marginal portions; and continuously removing each of the marginal portions from the glass film having marginal portions, along a position between the marginal portion and a corresponding one of the resin tapes, or at a given width-directional position within the corresponding resin tape.
    Type: Grant
    Filed: September 23, 2022
    Date of Patent: June 4, 2024
    Assignees: NITTO DENKO CORPORATION, Nippon Electric Glass Co., Ltd.
    Inventors: Takeshi Murashige, Junichi Inagaki, Kazuhito Hosokawa, Kota Nakai, Toshihiro Kanno, Yoshinori Hasegawa, Kaoru Mitsugi, Naohiro Ikai, Hiroki Mori, Yohei Kirihata
  • Patent number: 11926140
    Abstract: Provided is a glass film-resin composite body which makes it possible to obtain a long-length (e.g., 500 m or more-long) glass roll. The glass roll with resin film comprises a glass film, and a resin film laminated to at least one surface of the glass film through an adhesive, wherein a creep amount a of the adhesive is 50 ?m or less, as measured after applying a tensile shear load per unit area of the adhesive of 5 g/mm2, to the resin film for 48 hours, in a state in which the glass film is fixed in 23° C. and 50% RH.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: March 12, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Junichi Inagaki, Kazuhito Hosokawa, Kota Nakai, Toshihiro Kanno
  • Patent number: 11897233
    Abstract: A method of manufacturing a glass resin laminated body includes a step of sticking a glass film on a resin film via an adhesive layer while holding the glass film and the resin film between a first roller that presses against the resin film and a second roller that is disposed opposite to the first roller and that presses against the glass film. A ratio of an elastic modulus P1 of a surface layer of the first roller to an elastic modulus P2 of the resin film P1/P2 satisfies a relation of 3×10?3?P1/P2?1.0.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: February 13, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Keisuke Sato, Takeshi Murashige, Junichi Inagaki, Atsushi Kishi
  • Publication number: 20240017527
    Abstract: The present multi-layered structure includes: a resin layer; and a glass layer stacked via an adhesive layer on the resin layer. A thickness of the glass layer is 10 ?m or more and 300 ?m or less. A thickness of an outer peripheral portion of the resin layer is 5 ?m or more.
    Type: Application
    Filed: November 2, 2021
    Publication date: January 18, 2024
    Applicant: Nitto Denko Corporation
    Inventors: Keisuke SATO, Takeshi MURASHIGE, Junichi INAGAKI
  • Patent number: 11873179
    Abstract: A method of conveying a glass film composite uses a roll-to-roll process for winding a glass film composite wound on a feed roller by a winding roller through a plurality of conveyance rollers. The glass film composite includes an elongated glass film, and linear resin tapes disposed on one side of the glass film along a longitudinal direction of the glass film at both ends in a width direction of the glass film. The method includes a step of conveying the glass film composite from the feed roller to the winding roller through the plurality of conveyance rollers without passing a state in which the glass film composite is bent so that the resin tapes are directed to the inside.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: January 16, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi
  • Publication number: 20240001644
    Abstract: The present multi-layered structure includes: a resin layer; a glass layer stacked via an adhesive layer on the resin layer; and a fusion layer that is formed in an outer peripheral portion of the glass layer on the glass layer side that faces the adhesive layer. A thickness of the glass layer is 10 ?m or more and 300 ?m or less. A thickness of the fusion layer is less than 3 ?m.
    Type: Application
    Filed: October 26, 2021
    Publication date: January 4, 2024
    Applicant: Nitto Denko Corporation
    Inventors: Keisuke SATO, Takeshi MURASHIGE, Junichi INAGAKI
  • Publication number: 20240001651
    Abstract: A multi-layer structure includes a support, a resin layer laminated on the support via a tackifier layer, and a glass layer laminated over the resin layer. The thickness of the glass layer is 10 ?m or greater and 300 ?m or less. When the coefficient of linear expansion of the support is defined as CTE [ppm/° C.], the thickness of the tackifier layer is defined as d [?m], and the elastic modulus of the tackifier layer is defined as E [GPa], a value a, which is defined as a=CTE/(d/E), is 3 or less.
    Type: Application
    Filed: October 29, 2021
    Publication date: January 4, 2024
    Applicant: NITTO DENKO CORPORATION
    Inventors: Junichi INAGAKI, Keisuke SATO, Takeshi MURASHIGE
  • Publication number: 20230405966
    Abstract: Provided is a glass film-resin composite which makes it possible to obtain a long-length (e.g., 500 m or more-long) glass roll. The glass film-resin composite comprises a glass film, and a resin tape laminated to at least one surface of the glass film through an adhesive, wherein the width 1 (mm) of the resin tape satisfies the following formula (1). l ? a ? E g ? t g E p ? t p ( 1 ) (where: a represents a reinforcement coefficient (mm*(?m)1/2) which is 1.10 or more; Eg represents the Young's modulus (GPa) of the glass film; Ep represents the Young's modulus (GPa) of the resin tape; tg represents the thickness (?m) of the glass film; and tp represents the thickness (?m) of the resin tape.
    Type: Application
    Filed: August 28, 2023
    Publication date: December 21, 2023
    Inventors: Takeshi MURASHIGE, Junichi INAGAKI, Kazuhito HOSOKAWA, Kota NAKAI, Toshihiro KANNO
  • Patent number: 11834288
    Abstract: A method of conveying a glass film composite uses a roll-to-roll process for winding a glass film composite wound on a feed roller by a winding roller through a plurality of conveyance rollers. The glass film composite includes an elongated glass film, and linear resin tapes disposed on one side of the glass film along a longitudinal direction of the glass film at both ends in a width direction of the glass film. The method includes a step of conveying the glass film composite from the feed roller to the winding roller through the plurality of conveyance rollers without passing a state in which the glass film composite is bent so that the resin tapes are directed to the inside.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: December 5, 2023
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi
  • Patent number: 11760077
    Abstract: Provided is a laminate that includes a thin glass film and is hence excellent in flexibility, and that is excellent in puncture resistance. A laminate for an image display apparatus of the present invention includes: a glass film; and a resin layer arranged on one side of the glass film, wherein the glass film has a thickness of more than 50 ?m and 150 ?m or less, wherein the laminate for an image display apparatus has a puncture strength measured in conformity with JIS Z 1707:1997 of more than 2 kg and 50 kg or less, and wherein the laminate for an image display apparatus has a bending radius of from 15 mm to 200 mm.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: September 19, 2023
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Junichi Inagaki, Akiko Sugino, Tetsuro Ikeda
  • Publication number: 20230278318
    Abstract: A multilayer structure includes one or more resin layers; and a glass layer laminated over the resin layers via bonding layers, wherein when ?0 is a critical radius of curvature at which the glass layer does not break even though the multilayer structure being bent so that the glass layer is inside, a ratio t/?0 of a thickness t of the glass layer to the critical radius of curvature ?0 is 0.001 or more and 0.02 or less.
    Type: Application
    Filed: July 19, 2021
    Publication date: September 7, 2023
    Applicant: Nitto Denko Corporation
    Inventors: Takeshi Murashige, Junichi Inagaki, Keisuke Sato, Atsushi Kishi
  • Patent number: 11738534
    Abstract: Provided is a glass film-resin composite which makes it possible to obtain a long-length (e.g., 500 m or more-long) glass roll. The glass film-resin composite comprises a glass film, and a resin tape laminated to at least one surface of the glass film through an adhesive, wherein the width 1 (mm) of the resin tape satisfies the following formula (1). l ? ? ? a ? E g ? t g E p ? t p ( 1 ) (where: a represents a reinforcement coefficient (mm*(?m)1/2) which is 1.10 or more; Eg represents the Young's modulus (GPa) of the glass film; Ep represents the Young's modulus (GPa) of the resin tape; tg represents the thickness (?m) of the glass film; and tp represents the thickness (?m) of the resin tape.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: August 29, 2023
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Junichi Inagaki, Kazuhito Hosokawa, Kota Nakai, Toshihiro Kanno