Patents Assigned to Nitto-Denko
  • Publication number: 20250084191
    Abstract: One aspect of the present invention is a fluorine resin refining method. The method includes refining a fluorine resin by bringing the fluorine resin into contact with a fluorinating agent at a temperature of (Tg1?35)° C. or higher, where Tg1 is the glass transition temperature of the fluorine resin, and the fluorine resin includes a first fluorine-containing aliphatic ring structure in a molecular chain. The present invention makes it possible to produce a fluorine resin suitable for use in a plastic optical fiber. The first fluorine-containing aliphatic ring structure may have a dioxolane skeleton.
    Type: Application
    Filed: January 10, 2023
    Publication date: March 13, 2025
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yoshihide KAWAGUCHI, Takashi SHIMIZU, Takeshi SAITO, Akifumi KIDO
  • Patent number: 12247148
    Abstract: To provide a method for protecting a Low-E glass plate, the method being capable of preventing or inhibiting alteration of Low-E layers. Provided is a Low-E glass plate protection method. The protection method includes a step of applying a protective sheet to a surface of a Low-E glass plate having a Low-E layer comprising a zinc component. Here, the protective sheet has a PSA layer. The Low-E layer comprises a zinc component. The PSA layer includes an adsorbent capable of adsorbing ammonia.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: March 11, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventors: Yuta Shimazaki, Kosuke Yonezaki, Hakaru Horiguchi, Kunimasa Mishima
  • Patent number: 12239942
    Abstract: A separation membrane (10) of the present disclosure includes: a separation functional layer (30) composed of a polyamide containing, as a monomer unit, at least one selected from the group consisting of piperazine and a piperazine derivative; and a coating (40) covering the separation functional layer (30) and containing a polymer having a repeating unit represented by the following formula (1). In the formula (1), N+ is a nitrogen atom constituting a quaternary ammonium cation, and R1 and R2 are each independently a substituent containing a carbon atom bonded to the nitrogen atom.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: March 4, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventors: Tomotsugu Miyabe, Atsuhito Komoto
  • Patent number: 12239950
    Abstract: A method and apparatus for nucleic acid synthesis. The method employs a device including at least one deprotection unit to carry out a step of deprotection, at least one coupling unit to carry out a step of coupling, at least one oxidation/thiolation unit to carry out a step of oxidation or thiolation, at least one capping unit to carry out a step of capping, and at least one washing unit to carry out a step of washing. A plurality of reaction vessels for nucleic acid synthesis are moved to the units in accord with a synthesis scheme for a desired nucleic acid sequence and at least two reaction vessels are simultaneously acted upon at several of the units in series.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: March 4, 2025
    Assignee: Nitto Denko Avecia, Inc.
    Inventor: Karsten Keller
  • Publication number: 20250067603
    Abstract: A thermoelectric conversion element includes a heat insulating material and a thermoelectric conversion member. A main body portion of the thermoelectric conversion member is disposed inside the heat insulating material and has a predetermined length in a thickness direction of the heat insulating material. A sensor module includes a heat insulating material, a first thermoelectric conversion member same as the thermoelectric conversion member, a conversion circuit converting electromotive force of the first thermoelectric conversion member into a signal, and a wireless module capable of transmitting the signal based on the electromotive force of the first thermoelectric conversion member converted by the conversion circuit.
    Type: Application
    Filed: December 20, 2022
    Publication date: February 27, 2025
    Applicant: NITTO DENKO CORPORATION
    Inventor: Kazuaki SUZUKI
  • Patent number: 12234387
    Abstract: Provided is a sealant sheet formed in a sheet shape. The sealant sheet comprises an epoxy group-containing polysulfide polymer (AB) having two or more epoxy groups per molecule, and a thiol compound (C) having two or more thiol groups per molecule. In the sealant sheet, sulfur atoms in organic components of the sealant sheet has a weight fraction of 32.0% or higher and 36.0% or lower.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: February 25, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventor: Kosuke Morita
  • Patent number: 12238858
    Abstract: Provided is a wiring circuit board that includes a first insulating layer, a conductive pattern disposed on the first insulating layer, and a second protective layer disposed between the first insulating layer and protecting the conductive pattern. The second protective layer consists of a metal oxide.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: February 25, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shusaku Shibata, Teppei Niino, Yosuke Nakanishi
  • 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: 12238859
    Abstract: Provided is a wiring circuit board that includes a first insulating layer, a conductive pattern disposed on the first insulating layer, a second insulating layer disposed on the first insulating layer and covering the conductive pattern, and a third protective layer disposed between the conductive pattern and the second insulating layer and protecting the conductive pattern. The third protective layer consists of a metal oxide.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: February 25, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shusaku Shibata, Teppei Niino, Yosuke Nakanishi
  • Patent number: 12226806
    Abstract: Provided is a cleaning sheet including a cleaning layer that may be suitably used for a transfer member to be transferred in a substrate processing apparatus, the cleaning sheet being capable of effectively suppressing an adsorption error. A direction from an end portion of a surface of the cleaning layer toward a center thereof when viewed from a normal direction with respect to the surface is defined as a center direction, a region occupied by a width of 10 mm from the end portion toward the center direction in the surface is defined as an end portion region, and a maximum thickness L of the cleaning layer in the normal direction in the end portion region and an average thickness T of the cleaning layer in the normal direction in a region of the cleaning layer excluding the end portion region have a relationship of L?T?5 ?m.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: February 18, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventor: Yuichi Fukamichi
  • Patent number: 12232282
    Abstract: A ventilation housing of the present disclosure includes: a housing; and a ventilation assembly. The housing includes a tubular projection extending to project from an outer surface and internally having a first space communicating the inside and the outside of the housing. The ventilation assembly includes: an internal member being a tubular body having an opening at a first end portion and an opening at a second end portion; a gas-permeable membrane covering the opening at the first end portion of the internal member; and an external member being a tubular body having a bottom, the external member being joined to the internal member with the internal member inserted in the interior of the external member from the first end portion side. The ventilation assembly is fixed to the projection with the projection inserted in the opening at the second end portion of the internal member to make an inner peripheral surface of the internal member and an outer peripheral surface of the projection abut each other.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: February 18, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventors: Daisuke Kitagawa, Youzou Yano, Tomoyuki Kasagi
  • Patent number: 12228894
    Abstract: A smart window control device controls transmittance of a smart window provided as a window of a space where a temperature is controlled by an air conditioning system in accordance with a set temperature. The smart window control device includes a processor, and a memory storing program instructions that cause the processor to obtain a predicted value of external environment information about outside of the space in an interval between a first time and a second time, the second time being when a predetermined time period has elapsed from the first time, calculate transition of the temperature of the space in the interval based on the predicted value of the external environment information in the interval, and control the transmittance of the smart window so that the temperature of the space in the interval transitions based on the calculated transition of the temperature.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: February 18, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kenta Watanabe, Akiko Ogasawara, Atsushi Kishi
  • Patent number: 12221571
    Abstract: A pressure-sensitive adhesive layer consists of a dried product of a water-dispersed pressure-sensitive adhesive composition. The water-dispersed pressure-sensitive adhesive composition contains a water-dispersible polymer, water, and polyacrylic acid. The polyacrylic acid content is above 0.1 parts by mass and 7 parts by mass or less with respect to 100 parts by mass of the water-dispersible polymer. A thickness of the pressure-sensitive adhesive layer is 10 ?m or more and 40 ?m or less.
    Type: Grant
    Filed: August 8, 2022
    Date of Patent: February 11, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shuhei Yamamoto, Amane Sawamura
  • Patent number: 12215258
    Abstract: Provided is a PSA sheet having a PSA layer. The PSA layer has a multilayer structure comprising a layer A forming one face of the PSA layer and a layer B placed on the backside of the layer A. The layer B is a photo-crosslinkable PSA layer comprising a photo-crosslinkable polymer.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: February 4, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventors: Ryoko Asai, Naofumi Kosaka, Yosuke Shimizu
  • Patent number: 12214575
    Abstract: A member supplying sheet provided includes: a protective cover member configured to be placed on a face of an object to prevent a foreign matter from entering an opening of the face; and a substrate sheet having a surface where the protective cover member is placed. The protective cover member includes a laminate including: a protective membrane having a shape configured to cover the opening when the protective cover member is placed on the face; and an adhesive layer. The protective cover member is placed on the surface of the substrate sheet via the adhesive layer. The member supplying sheet is suitable for supplying the protective cover member to a device that picks up the protective cover member in a state where the substrate sheet is pushed up from a back side of the substrate sheet, the back side being opposite to the surface.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: February 4, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventor: Hiroki Kigami
  • 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: 20250034023
    Abstract: An objective of the present invention is to provide a brittle material chip and the like having excellent flexibility. The present invention is a brittle material chip including a brittle material layer formed of a brittle material. The brittle material chip includes first processed marks formed on one side in a thickness direction of the brittle material layer on at least one end surface of the brittle material layer and having depths of 1 ?m or more and less than half the thickness of the brittle material layer and includes or does not include second processed marks formed on the other side in the thickness direction on the end surface of the brittle material layer, facing the first processed marks in the thickness direction, and having depths of less than 1 ?m.
    Type: Application
    Filed: October 28, 2022
    Publication date: January 30, 2025
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takanobu YANO, Takuya MORI, Toshihiro KANNO, Satoshi HIRATA
  • Publication number: 20250035833
    Abstract: An optical laminate includes: a first optical sheet that has a first main surface with a relief structure thereon and a second main surface on the reverse side from the first main surface; and a second optical sheet that has a third main surface disposed on the first main surface side of the first optical sheet. The relief structure of the first main surface includes a plurality of recessed portions and flat portions that are each between two recessed portions adjacent to one another among the plurality of recessed portions. The third main surface and the flat portions of the first main surface are bonded by covalent bonding with a molecular adhesive therebetween.
    Type: Application
    Filed: October 21, 2022
    Publication date: January 30, 2025
    Applicant: NITTO DENKO CORPORATION
    Inventors: Tatsuya SUZUKI, Kaori MIZOBATA, Kaori SHINYA, Satoshi HONDA, Akiko TANAKA, Mizuho MIZUNO, Shigeki ISHIGURO
  • Publication number: 20250034433
    Abstract: Provided is a PSA tape comprising a substrate layer formed of a polyvinyl chloride film, and a PSA layer on at least one side of the substrate layer. The substrate layer comprises polyvinyl chloride, a plasticizer, and an elastomer. The elastomer comprises at least a thermoplastic polyurethane or a thermoplastic polyester elastomer.
    Type: Application
    Filed: November 17, 2022
    Publication date: January 30, 2025
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kosuke MORITA, Yoshio NAKAGAWA, Tomohito HARADA
  • Patent number: 12207944
    Abstract: A laminate for biosensor includes a pressure-sensitive adhesive layer for attaching to a surface of a living body; and a substrate layer disposed on the upper face of the pressure-sensitive adhesive layer, wherein the laminate for biosensor includes a probe disposed at the lower face of the laminate for biosensor, and a moisture barrier layer disposed so as to overlap with the probe when projected in the thickness direction.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: January 28, 2025
    Assignee: NITTO DENKO CORPORATION
    Inventor: Ryoma Yoshioka