Patents by Inventor Hiroshige Nakamura
Hiroshige 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).
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Patent number: 10372263Abstract: The touch sensor includes a base, first and second electrodes that are formed on a main surface of the transparent base so as to face each other, and an extraction electrode that is formed on the main surface of the transparent base and extends from the second electrode. The first electrode has a shape which surrounds a portion of the second electrode. At least the extraction electrode is formed in a mesh pattern including a plurality of grids which are formed by thin metal wires.Type: GrantFiled: April 26, 2018Date of Patent: August 6, 2019Assignee: FUJIFILM CorporationInventor: Hiroshige Nakamura
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Publication number: 20190230789Abstract: A conductive component includes a first electrode pattern made of metal thin wires, and includes a plurality of first conductive patterns that extend in a first direction alternating with first non-conductive patterns. Each first conductive pattern includes break parts in portions other than intersection parts of the thin metal wires. The conductive component further includes a second electrode pattern made of thin metal wires, and includes a plurality of second conductive patterns that extend in a second direction orthogonal to the first direction and alternating with second non-conductive patterns. Each second conductive pattern includes break parts in portions other than intersection parts of thin metal wires.Type: ApplicationFiled: April 1, 2019Publication date: July 25, 2019Applicant: FUJIFILM CorporationInventors: Hiroshige Nakamura, Tadashi Kuriki
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Patent number: 10331237Abstract: A conductive film is configured such that a plurality of first cells constituted by thin metal wires crossing each edge line on both sides of a preset electrode shape of a conduction electrode extending in one direction have a disconnection portion at a position where the thin metal wires and the edge lines cross one another with the exception of a plurality of third cells in a closed state of which the number proportion is 50% or more of a plurality of second cells in which all apexes constituting a cell on an inner side of an extended edge line separated by a fixed distance from the edge line to an outer side, and the apexes of the plurality of third cells present between the adjacent edge line and extended edge line are end points, or the thin metal wires extending from the apex directly to the extended edge line have a disconnection portion.Type: GrantFiled: April 27, 2017Date of Patent: June 25, 2019Assignee: FUJIFILM CorporationInventor: Hiroshige Nakamura
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Patent number: 10299377Abstract: A conductive component includes a first electrode pattern made of metal thin wires, and includes a plurality of first conductive patterns that extend in a first direction alternating with first non-conductive patterns. Each first conductive pattern includes break parts in portions other than intersection parts of the thin metal wires. The conductive component further includes a second electrode pattern made of thin metal wires, and includes a plurality of second conductive patterns that extend in a second direction orthogonal to the first direction and alternating with second non-conductive patterns. Each second conductive pattern includes break parts in portions other than intersection parts of thin metal wires.Type: GrantFiled: September 7, 2018Date of Patent: May 21, 2019Assignee: FUJIFILM CorporationInventors: Hiroshige Nakamura, Tadashi Kuriki
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Publication number: 20190008041Abstract: A conductive component includes a first electrode pattern made of metal thin wires, and includes a plurality of first conductive patterns that extend in a first direction alternating with first non-conductive patterns. Each first conductive pattern includes break parts in portions other than intersection parts of the thin metal wires. The conductive component further includes a second electrode pattern made of thin metal wires, and includes a plurality of second conductive patterns that extend in a second direction orthogonal to the first direction and alternating with second non-conductive patterns.Type: ApplicationFiled: September 7, 2018Publication date: January 3, 2019Applicant: FUJIFILM CorporationInventors: Hiroshige NAKAMURA, Tadashi KURIKI
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Publication number: 20190008040Abstract: A conductive component includes: a first electrode pattern which is made of metal thin wires, the first electrode pattern including a plurality of first conductive patterns that extend in a first direction. Each first conductive pattern includes, at least, inside thereof, a sub-nonconduction pattern that is electrically separated from the first conductive pattern. An area A of each first conductive pattern and an area B of each sub-nonconduction patterns satisfy a relation of 5%<B/(A+B)<97%. The conductive component may be included in a conductive sheet and a touch panel to provide a high detection accuracy.Type: ApplicationFiled: September 6, 2018Publication date: January 3, 2019Applicant: FUJIFILM CorporationInventors: Hiroshige NAKAMURA, Tadashi KURIKI
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Publication number: 20180373365Abstract: A touch panel electrode includes a transparent base, two or more first electrode patterns, and two or more second electrode patterns. The first electrode pattern and the second electrode pattern face each other being insulated, and overlap each other. Each of the first electrode pattern and the second electrode pattern is a combination of a plurality of cells formed by thin metal wires. The area of an overlapping portion between the first electrode pattern and the second electrode pattern is greater than 4 mm2 and less than 20 mm2.Type: ApplicationFiled: September 4, 2018Publication date: December 27, 2018Applicant: FUJIFILM CorporationInventor: Hiroshige NAKAMURA
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Patent number: 10117330Abstract: A conductive component includes: a first electrode pattern which is made of metal thin wires, the first electrode pattern including a plurality of first conductive patterns that extend in a first direction. Each first conductive pattern includes, at least, inside thereof, a sub-nonconduction pattern that is electrically separated from the first conductive pattern. An area A of each first conductive pattern and an area B of each sub-nonconduction patterns satisfy a relation of 5%<B/(A+B)<97%. The conductive component may be included in a conductive sheet and a touch panel to provide a high detection accuracy.Type: GrantFiled: December 18, 2017Date of Patent: October 30, 2018Assignee: FUJIFILM CorporationInventors: Hiroshige Nakamura, Tadashi Kuriki
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Patent number: 10111326Abstract: A conductive component includes a first electrode pattern made of metal thin wires, the first electrode pattern including a plurality of first conductive patterns that extend in a first direction and are alternated with first non-conductive patterns. Each first conductive pattern includes break parts in portions other than intersection parts of the thin metal wires. The conductive component further includes a second electrode pattern made of thin metal wires, the second electrode pattern including a plurality of second conductive patterns that extend in a second direction orthogonal to the first direction and are alternated with second non-conductive patterns. Each second conductive pattern includes break parts in portions other than intersection parts of thin metal wires.Type: GrantFiled: December 18, 2017Date of Patent: October 23, 2018Assignee: FUJIFILM CorporationInventors: Hiroshige Nakamura, Tadashi Kuriki
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Publication number: 20180246615Abstract: The touch sensor includes a base, first and second electrodes that are formed on a main surface of the transparent base so as to face each other, and an extraction electrode that is formed on the main surface of the transparent base and extends from the second electrode. The first electrode has a shape which surrounds a portion of the second electrode. At least the extraction electrode is formed in a mesh pattern including a plurality of grids which are formed by thin metal wires.Type: ApplicationFiled: April 26, 2018Publication date: August 30, 2018Applicant: FUJIFILM CorporationInventor: Hiroshige NAKAMURA
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Patent number: 9990083Abstract: Provided are a conductive film and a touch panel in which an extraction electrode that is formed in a visible region is inconspicuous to improve visibility, the initial capacitance between electrodes is increased to improve the accuracy of detection, and the electrodes are formed on only one main surface of a base to reduce costs. The conductive film includes a transparent base, first and second electrodes 32A and 32B that are formed on a main surface of the transparent base so as to face each other, and an extraction electrode 34 that is formed on the main surface of the transparent base and extends from the second electrode 32B. The first electrode 32A has a shape which surrounds a portion of the second electrode 32B. At least the extraction electrode 34 is formed in a mesh pattern 38 including a plurality of grids 36 which are formed by thin metal wires.Type: GrantFiled: May 27, 2016Date of Patent: June 5, 2018Assignee: FUJIFILM CorporationInventor: Hiroshige Nakamura
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Publication number: 20180113347Abstract: A conductive sheet for a touch panel having an active area includes a first conductive layer that is formed of a first thin metal wire disposed in the active area; and a second conductive layer that is formed of a second thin metal wire disposed to overlap with the first conductive layer in the active area, in which a mesh pattern is formed of the first thin metal wire and the second thin metal wire in a case where the conductive sheet is seen from a direction perpendicular to the active area, the mesh pattern is a random pattern, an average line width of the first thin metal wire and the second thin metal wire is 0.5 ?m to 3.5 ?m, and an opening ratio of the mesh pattern is (92.3+X×1.6)% to 99.6%. X represents the average line width of the first and the second thin metal wire.Type: ApplicationFiled: December 21, 2017Publication date: April 26, 2018Applicant: FUJIFILM CorporationInventors: Daisuke HARA, Hiroshige NAKAMURA, Kensuke KATAGIRI, Masaya NAKAYAMA
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Publication number: 20180110119Abstract: A conductive component includes a first electrode pattern made of metal thin wires, the first electrode pattern including a plurality of first conductive patterns that extend in a first direction and are alternated with first non-conductive patterns. Each first conductive pattern includes break parts in portions other than intersection parts of the thin metal wires. The conductive component further includes a second electrode pattern made of thin metal wires, the second electrode pattern including a plurality of second conductive patterns that extend in a second direction orthogonal to the first direction and are alternated with second non-conductive patterns.Type: ApplicationFiled: December 18, 2017Publication date: April 19, 2018Applicant: FUJIFILM CorporationInventors: Hiroshige NAKAMURA, Tadashi KURIKI
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Publication number: 20180107304Abstract: A plurality of regular triangles T having one side length L0 are tightly disposed (A). An apex A of each of the regular triangles T is moved using a random number in a movement tolerance R range to create a new apex B, and the new apexes B are connected to form a plurality of triangles having a random shape (B, C, D). A circumcenter E of each of the triangles is obtained (E). Arbitrary points F at distances, which are less than ½ of radii of circumscribed circles of the triangles, from the circumcenters E are connected to form second cells C2 of a second mesh pattern M2 (F, G, H, I). At least portions of triangles adjacent each other among the triangles are merged to form polygons, and first cells C1 of a first mesh pattern M1 including the triangles and the polygons are formed (J).Type: ApplicationFiled: December 5, 2017Publication date: April 19, 2018Applicant: FUJIFILM CorporationInventors: Daisuke Hara, Hiroshige Nakamura, Kensuke Katagiri, Masaya Nakayama
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Publication number: 20180110120Abstract: A conductive component includes: a first electrode pattern which is made of metal thin wires, the first electrode pattern including a plurality of first conductive patterns that extend in a first direction. Each first conductive pattern includes, at least, inside thereof, a sub-nonconduction pattern that is electrically separated from the first conductive pattern. An area A of each first conductive pattern and an area B of each sub-nonconduction patterns satisfy a relation of 5%<B/(A+B)<97%. The conductive component may be included in a conductive sheet and a touch panel to provide a high detection accuracy.Type: ApplicationFiled: December 18, 2017Publication date: April 19, 2018Applicant: FUJIFILM CorporationInventors: Hiroshige NAKAMURA, Tadashi KURIKI
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Patent number: 9877385Abstract: A conductive sheet includes: a substrate having a first main surface and a second main surface; and a first electrode pattern placed on the first main surface of the substrate. The first electrode pattern is made of metal thin wires, and includes a plurality of first conductive patterns that extend in a first direction. Each first conductive pattern includes, at least, inside thereof, a sub-nonconduction pattern that is electrically separated from the first conductive pattern. An area A of each first conductive pattern and an area B of each sub-nonconduction patterns satisfy a relation of 5%<B/(A+B)<97%. Accordingly, a conductive sheet and a touch panel having a high detection accuracy can be provided.Type: GrantFiled: June 20, 2014Date of Patent: January 23, 2018Assignee: FUJIFILM CorporationInventors: Hiroshige Nakamura, Tadashi Kuriki
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Publication number: 20170228052Abstract: A conductive film is configured such that a plurality of first cells constituted by thin metal wires crossing each edge line on both sides of a preset electrode shape of a conduction electrode extending in one direction have a disconnection portion at a position where the thin metal wires and the edge lines cross one another with the exception of a plurality of third cells in a closed state of which the number proportion is 50% or more of a plurality of second cells in which all apexes constituting a cell on an inner side of an extended edge line separated by a fixed distance from the edge line to an outer side, and the apexes of the plurality of third cells present between the adjacent edge line and extended edge line are end points, or the thin metal wires extending from the apex directly to the extended edge line have a disconnection portion.Type: ApplicationFiled: April 27, 2017Publication date: August 10, 2017Applicant: FUJIFILM CorporationInventor: Hiroshige NAKAMURA
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Publication number: 20170228090Abstract: The conductive film is configured such that in a case in which a parameter Ca of a first-overlapped-portion in which a thin metal wire constituting a first-electrode and a thin metal wire constituting a second-electrode are superimposed in plan view is represented by Equation (1) of Ca=(A?wa*wb)/d, while setting an area of the first-overlapped-portion to A (?m2), line widths of the respective thin metal wires constituting the first-electrode and the second-electrode to wa and wb (?m), and a distance between the first-electrode and the second-electrode in a thickness direction of a substrate to d (?m), in a 5 mm×5 mm quadrangular region that is set to include a crossing region in which the first-electrode and the second-electrode cross each other in a conductive region, the parameter Ca of 90% or more of the first-overlapped-portions included in the region is 1.0 or less.Type: ApplicationFiled: April 25, 2017Publication date: August 10, 2017Applicant: FUJIFILM CorporationInventor: Hiroshige NAKAMURA
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Publication number: 20170185187Abstract: Provided is a conductive film for a touch panel including: a flexible transparent resin substrate having a thickness equal to or smaller than 40 ?m; a plurality of detection electrodes which are formed on at least one surface of the resin substrate; a plurality of peripheral wirings which are formed on at least one surface of the resin substrate and respectively connected to the plurality of detection electrodes; and a plurality of external connection terminals which are formed on at least one surface of the resin substrate and respectively connected to the plurality of peripheral wirings, in which the plurality of external connection terminals are arranged such that adjacent external connection terminals are separated from each other by a distance between terminals of 100 ?m to 200 ?m with a pitch equal to or smaller than 500 ?m, and respectively have a terminal width equal to or greater than the distance between terminals.Type: ApplicationFiled: May 18, 2015Publication date: June 29, 2017Applicant: FUJIFILM CorporationInventors: Masaya NAKAYAMA, Hiroshige NAKAMURA, Hiroyuki KOBAYASHI
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Publication number: 20170177120Abstract: Provided is a conductive film for a touch panel including: an insulating substrate including a pair of surfaces facing each other; a detection electrode pattern portion which is formed of thin metal wires formed on at least one surface of the pair of surfaces of the insulating substrate; a wiring portion which is disposed on the same surface as the surface of the insulating substrate where the detection electrode pattern portion is formed, and includes a plurality of lead-out wirings formed of metal which are connected to the detection electrode pattern portion; and a shielding electrode farmed of metal which is disposed on a surface on a side opposite to the surface of the insulating substrate where the wiring portion is disposed and at a position corresponding to the wiring portion, in which the shielding electrode includes a mesh-like pattern portion which is formed of metal wires respectively intersecting with the lead-out wirings of the wiring portion and has an opening ratio equal to or greater than 80%Type: ApplicationFiled: March 7, 2017Publication date: June 22, 2017Applicant: FUJIFILM CorporationInventors: Kuniaki KYUTOKU, Hiroshige NAKAMURA