Patents by Inventor Yuichiro Kunai
Yuichiro Kunai 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: 20240103207Abstract: An optical computing device includes: a light diffraction element group including light diffraction elements having an optical computing function, wherein the light diffraction element group passes light through the light diffraction elements in turn, the light passing through the light diffraction elements was either: reflected or scattered from a non-illuminant object located outside the optical computing device, or emitted from an illuminant object located outside the optical computing device, and neither the non-illuminant object nor the illuminant object is a display.Type: ApplicationFiled: June 30, 2021Publication date: March 28, 2024Applicant: FUJIKURA LTD.Inventors: Hiroyuki Kusaka, Masahiro Kashiwagi, Yuichiro Kunai
-
Publication number: 20240038264Abstract: An optical memory includes a support and nanoparticles, each of which changes between a crystal phase and an amorphous phase when irradiated with light. The nanoparticles are supported by the support and spaced apart from each other in one or both of an in-plane direction of a face of the support and a direction normal to the face of the support.Type: ApplicationFiled: August 20, 2021Publication date: February 1, 2024Applicants: FUJIKURA LTD., FUJIKURA LTD.Inventor: Yuichiro Kunai
-
Patent number: 11885694Abstract: There is provided a temperature sensor element including a pair of electrodes and a temperature-sensitive film disposed in contact with the pair of electrodes, in which the temperature-sensitive film includes a matrix resin and a plurality of conductive domains contained in the matrix resin, the conductive domains include a conjugated polymer and a dopant, and the number of structural units constituting the conjugated polymer is 65 or less.Type: GrantFiled: March 4, 2020Date of Patent: January 30, 2024Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Megumi Hayasaka, Yuichiro Kunai
-
Publication number: 20230358928Abstract: An optical computing device includes a filter, through which light passes, and an optical diffraction element group that performs optical computing. The optical diffraction element group includes one or more optical diffraction elements having microcells, each of the microcells having an independently set thickness or a refractive index. After passing through the filter, the light first enters a first optical diffraction element among the one or more optical diffraction elements. The filter selectively transmits light in a direction that has an angle, with respect to an optical axis of the first optical diffraction element, that is less than or equal to a specific angle determined by the filter.Type: ApplicationFiled: June 30, 2021Publication date: November 9, 2023Applicant: FUJIKURA LTD.Inventors: Hiroyuki Kusaka, Masahiro Kashiwagi, Yuichiro Kunai
-
Publication number: 20230359880Abstract: An optical computing device includes: an optical modulation element including cells with independently configurable amounts of modulation; and a reflector. The optical modulation element is configured with N (N is a natural number not less than 2)-computing regions A1, A2, . . . , AN. The computing region A1 performs optical computing by modulating and reflecting incident light. Each computing region Ai (i is a corresponding natural number not less than 2 and not more than N) other than the computing region A1 performs the optical computing by modulating and reflecting signal light that has been modulated and reflected by a computing region Ai?1 and then reflected by the reflector.Type: ApplicationFiled: June 15, 2021Publication date: November 9, 2023Applicants: FUJIKURA LTD., FUJIKURA LTD.Inventors: Hiroyuki Kusaka, Masahiro Kashiwagi, Yuichiro Kunai
-
Publication number: 20230295411Abstract: A structure having a microstructure or a nanostructure includes multi-block copolymers each having three or more segments including one or more first segments and one or more second segments. Each of the one or more first segments and the one or more second segments is constituted by one or more block polymers. Each of the one or more first segments has one of hydrophobicity and hydrophilicity, and each of the one or more second segments has the other of hydrophobicity and hydrophilicity. The one or more first segments and the one or more second segments are bonded in an alternating manner.Type: ApplicationFiled: December 21, 2021Publication date: September 21, 2023Applicant: Fujikura Ltd.Inventor: Yuichiro Kunai
-
Publication number: 20230122523Abstract: A hydrogen sensor element comprising a pair of electrodes and a hydrogen detection film disposed in contact with the pair of electrodes, wherein the hydrogen detection film contains a conjugated polymer and a dopant, and wherein the absolute value |?G| of energy difference between the lowest unoccupied orbital of the dopant and the highest occupied orbital of the conjugated polymer in the ground state is 4.5 eV or more, is provided.Type: ApplicationFiled: February 3, 2021Publication date: April 20, 2023Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Megumi HAYASAKA, Yuichiro KUNAI
-
Publication number: 20230124639Abstract: A hydrogen sensor element comprising a pair of electrodes and a hydrogen detection film disposed in contact with the pair of electrodes, wherein the hydrogen detection film contains a conjugated polymer and an organic dopant, and wherein the organic dopant includes a dopant having an acid group, and containing an atom having an absolute value of negative charge of 0.55 or more in the molecular structure other than the acid group, is provided.Type: ApplicationFiled: February 3, 2021Publication date: April 20, 2023Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Megumi HAYASAKA, Yuichiro KUNAI
-
Publication number: 20220082452Abstract: There is provided a temperature sensor element including a pair of electrodes and a temperature-sensitive film disposed in contact with the pair of electrodes, in which the temperature-sensitive film includes a conjugated polymer and a matrix resin.Type: ApplicationFiled: March 4, 2020Publication date: March 17, 2022Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Megumi HAYASAKA, Yuichiro KUNAI
-
Publication number: 20220065708Abstract: There is provided a temperature sensor element including a pair of electrodes and a temperature-sensitive film disposed in contact with the pair of electrodes, in which the temperature-sensitive film includes a fluorine atom and the temperature-sensitive film includes a matrix resin and a plurality of conductive domains contained in the matrix resin, and the conductive domains includes a conductive polymer.Type: ApplicationFiled: March 4, 2020Publication date: March 3, 2022Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Megumi HAYASAKA, Yuichiro KUNAI
-
Publication number: 20220065707Abstract: There is provided a temperature sensor element including a pair of electrodes and a temperature-sensitive film disposed in contact with the pair of electrodes, in which the temperature-sensitive film includes a matrix resin and a plurality of conductive domains contained in the matrix resin, and the matrix resin constituting the temperature-sensitive film has a degree of molecular packing of 40% or more, as determined based on measurement by an X-ray diffraction method, according to expression (i): Degree of molecular packing (%)=100×(Area of peak derived from ordered structure)/(Total area of all peaks).Type: ApplicationFiled: March 4, 2020Publication date: March 3, 2022Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Megumi HAYASAKA, Yuichiro KUNAI
-
Publication number: 20210381905Abstract: There is provided a temperature sensor element including a pair of electrodes and a temperature-sensitive film disposed in contact with the pair of electrodes, in which the temperature-sensitive film includes a matrix resin and a plurality of conductive domains contained in the matrix resin, the conductive domains include a conjugated polymer and a dopant, and the number of structural units constituting the conjugated polymer is 65 or less.Type: ApplicationFiled: March 4, 2020Publication date: December 9, 2021Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Megumi HAYASAKA, Yuichiro KUNAI
-
Publication number: 20210364368Abstract: There is provided a temperature sensor element including a pair of electrodes and a temperature-sensitive film disposed in contact with the pair of electrodes, in which the temperature-sensitive film includes a conductive polymer, the conductive polymer includes a conjugated polymer and a dopant, and the dopant includes a dopant having a molecular volume of 0.08 nm3 or more.Type: ApplicationFiled: March 4, 2020Publication date: November 25, 2021Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Megumi HAYASAKA, Yuichiro KUNAI
-
Publication number: 20190369295Abstract: A polarizing plate is provided, which includes a polarizer having a thickness d1 less than or equal to 10 ?m, a first adhesive layer having a thickness d2 less than or equal to 2.0 ?m, and a first protective film having a thickness d3 less than or equal to 80 ?m in this order, the thicknesses d1, d2, and d3 satisfying an expression of 100×d2/(d1+d3)?2.0. The polarizing plate can further include a second adhesive layer and a second protective film on the other surface of the polarizer.Type: ApplicationFiled: August 15, 2019Publication date: December 5, 2019Inventor: Yuichiro KUNAI
-
Patent number: 10429548Abstract: A polarizing plate is provided, which includes a polarizer having a thickness d1 less than or equal to 10 ?m, a first adhesive layer having a thickness d2 less than or equal to 2.0 ?m, and a first protective film having a thickness d3 less than or equal to 80 ?m in this order, the thicknesses d1, d2, and d3 satisfying an expression of 100×d2/(d1+d3)?2.0. The polarizing plate can further include a second adhesive layer and a second protective film on the other surface of the polarizer.Type: GrantFiled: December 5, 2014Date of Patent: October 1, 2019Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Yuichiro Kunai
-
Patent number: 10132975Abstract: A polarizer having a maximum absorbance at wavelengths from 280 to 320 nm is less than or equal to 0.70. A polarizing plate including the polarizer and a protective film disposed on the polarizer with an adhesive layer of a cured product of a light-transmitting adhesive being interposed. A polarizing laminated film including a substrate film and the polarizer provided on each of opposing surfaces of the substrate film.Type: GrantFiled: December 19, 2014Date of Patent: November 20, 2018Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Yuichiro Kunai
-
Patent number: 10126592Abstract: A polarizing plate and a display apparatus including the polarizing plate are provided. The polarizing plate includes a polarizer, a first protective film disposed on one surface of the polarizer with a first adhesive layer having a thickness less than 2.0 ?m being interposed, and a second protective film disposed on the other surface with a second adhesive layer having a thickness less than or equal to 2.0 ?m being interposed, the second protective film being a protective film to be arranged on a side of a cell for display relative to the first protective film in arrangement of the polarizing plate on the cell for display, and the first adhesive layer being smaller in thickness than the second adhesive layer.Type: GrantFiled: October 5, 2017Date of Patent: November 13, 2018Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Yuichiro Kunai
-
Patent number: 9995853Abstract: A method for producing a polarizing plate is provided, which includes the steps of obtaining a laminated film by forming a polyvinyl alcohol-based resin layer on a surface of a substrate film, obtaining a stretched film by stretching the laminated film, obtaining a polarizing laminated film by forming a polarizing layer by dyeing the polyvinyl alcohol-based resin layer of the stretched film with a dichroic dye, bonding a protective film composed of a thermoplastic resin to a surface of the polarizing layer opposite to the substrate film with an adhesive layer being interposed, peeling off the substrate film, and forming a protective layer having a thickness not smaller than 3 ?m and composed of a cured product of a photo-curable compound on a surface which appears as a result of peeling off of the substrate film.Type: GrantFiled: February 3, 2015Date of Patent: June 12, 2018Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Yuichiro Kunai
-
Publication number: 20180039135Abstract: A polarizing plate and a display apparatus including the polarizing plate are provided. The polarizing plate includes a polarizer, a first protective film disposed on one surface of the polarizer with a first adhesive layer having a thickness less than 2.0 ?m being interposed, and a second protective film disposed on the other surface with a second adhesive layer having a thickness less than or equal to 2.0 ?m being interposed, the second protective film being a protective film to be arranged on a side of a cell for display relative to the first protective film in arrangement of the polarizing plate on the cell for display, and the first adhesive layer being smaller in thickness than the second adhesive layer.Type: ApplicationFiled: October 5, 2017Publication date: February 8, 2018Inventor: Yuichiro KUNAI
-
Patent number: 9857625Abstract: A polarizing plate and a display apparatus including the polarizing plate are provided. The polarizing plate includes a polarizer, a first protective film disposed on one surface of the polarizer with a first adhesive layer having a thickness less than 2.0 ?m being interposed, and a second protective film disposed on the other surface with a second adhesive layer having a thickness less than or equal to 2.0 ?m being interposed, the second protective film being a protective film to be arranged on a side of a cell for display relative to the first protective film in arrangement of the polarizing plate on the cell for display, and the first adhesive layer being smaller in thickness than the second adhesive layer.Type: GrantFiled: December 5, 2014Date of Patent: January 2, 2018Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Yuichiro Kunai