Patents by Inventor Masaya Nakayama
Masaya Nakayama 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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Publication number: 20200089353Abstract: A touch panel includes a first electrode formed of first thin metal wires arranged in the transmissive region and a second electrode insulated from the first electrode and formed of second thin metal wires arranged to intersect the first thin metal wire in the transmissive region, in which the second thin metal wires is arranged on the side opposite to the viewing side than the first thin metal wires.Type: ApplicationFiled: November 25, 2019Publication date: March 19, 2020Applicant: FUJIFILM CorporationInventors: Masaya NAKAYAMA, Makoto SUTOU
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Patent number: 10551978Abstract: 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: GrantFiled: December 21, 2017Date of Patent: February 4, 2020Assignee: FUJIFILM CorporationInventors: Daisuke Hara, Hiroshige Nakamura, Kensuke Katagiri, Masaya Nakayama
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Patent number: 10540048Abstract: A touch panel includes a first electrode formed of first thin metal wires arranged in the transmissive region and a second electrode insulated from the first electrode and formed of second thin metal wires arranged to intersect the first thin metal wire in the transmissive region, in which the second thin metal wires is arranged on the side opposite to the viewing side than the first thin metal wires.Type: GrantFiled: July 16, 2019Date of Patent: January 21, 2020Assignee: FUJIFILM CorporationInventors: Masaya Nakayama, Makoto Sutou
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Patent number: 10528203Abstract: A method of designing a mesh pattern includes: a first step of tightly disposing a plurality of polygons having an arbitrary shape in an area to form a transparent active area; a second step of obtaining a circumcenter of each of the polygons; a third step of disposing one arbitrary point in each of the polygons to be positioned at a distance, which is less than ½ a radius of a circumscribed circle of the polygon, from the circumcenter; a fourth step of forming a pattern to form second cells by connecting two arbitrary points corresponding to two polygons that share each of sides of the polygons; and a fifth step of forming a pattern to form first cells using the polygons, in which the polygons having a random shape are disposed in the first step, and/or the arbitrary point is randomly disposed in the third step.Type: GrantFiled: December 5, 2017Date of Patent: January 7, 2020Assignee: FUJIFILM CorporationInventors: Daisuke Hara, Hiroshige Nakamura, Kensuke Katagiri, Masaya Nakayama
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Publication number: 20190377457Abstract: A first electrode on a first surface of a transparent insulating member has a first detection electrode portion having a first mesh pattern and a dummy pattern portion in the first electrode arranged so as to be insulated from the first detection electrode portion in a first mesh cell constituting the first mesh pattern, a second electrode on a second surface of the transparent insulating member has a second detection electrode portion having a second mesh pattern and a dummy pattern portion in the second electrode arranged so as to be insulated from a second detection electrode portion in a second mesh cell constituting the second mesh pattern, and a third mesh pattern is formed by combining the first detection electrode portion, the dummy pattern portion in the first electrode, the second detection electrode portion, and the dummy pattern portion in the second electrode.Type: ApplicationFiled: August 26, 2019Publication date: December 12, 2019Applicant: FUJIFILM CorporationInventors: Masaya NAKAYAMA, Reona IKEDA
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Publication number: 20190354239Abstract: A touch panel has a first electrode layer positioned on a first surface of a transparent insulating member and a second electrode layer positioned on a second surface of the transparent insulating member. The first electrode layer is provided with a plurality of first strip electrodes having a bent shape, and the second electrode layer is provided with a plurality of second strip electrodes having a bent shape. There is at least one combination of the first strip electrode and the second strip electrode satisfying an electrode width W1 of the first strip electrode<an electrode width W2 of the second strip electrode in a main sensing region not including electrodes disposed on outermost sides of the plurality of first strip electrodes and electrodes disposed on outermost sides of the plurality of second strip electrodes in a region where the first electrode layer and the second electrode layer are provided.Type: ApplicationFiled: July 30, 2019Publication date: November 21, 2019Applicant: FUJIFILM CorporationInventor: Masaya NAKAYAMA
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Publication number: 20190339798Abstract: A touch panel includes a first electrode formed of first thin metal wires arranged in the transmissive region and a second electrode insulated from the first electrode and formed of second thin metal wires arranged to intersect the first thin metal wire in the transmissive region, in which the second thin metal wires is arranged on the side opposite to the viewing side than the first thin metal wires.Type: ApplicationFiled: July 16, 2019Publication date: November 7, 2019Applicant: FUJIFILM CorporationInventors: Masaya NAKAYAMA, Makoto SUTOU
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Patent number: 10437093Abstract: A transparent conductive film having a transmissive region includes a first electrode formed of a first thin metal wire arranged in the transmissive region; and a second electrode formed of a second thin metal wire arranged on a side opposite to a viewing side from the first electrode so as to intersect the first thin metal wire in the transmissive region, in which the first thin metal wire has a first front surface that is directed to the viewing side and has a line width W1A, and a first back surface that is directed to the side opposite to the viewing side and has a line width W1B, the second thin metal wire has a second front surface that is directed to the viewing side and has a line width W2A, and a second back surface that is directed to the side opposite to the viewing side and has a line width W2B, and the line widths W1A, W1B, W2A, and W2B are in a range of 0.5 to 10 ?m, and the line widths satisfy a relationship of W1B<W2A?W1A<W2B.Type: GrantFiled: September 5, 2017Date of Patent: October 8, 2019Assignee: FUJIFILM CorporationInventors: Masaya Nakayama, Makoto Sutou
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Patent number: 10402028Abstract: A transparent conductive film includes a transparent insulating substrate, a first electrode, and a second electrode, in which a first thin metal wire 38 of the first electrode has a first front surface 38A being directed to the viewing side and having a line width W1A, and a first back surface 38B being directed to the side opposite to the viewing side and having a line width W1B, a second thin metal wire 39 of the second electrode has a second front surface 39A being directed to the viewing side and having a line width W2A, and a second back surface 39B being directed to the side opposite to the viewing side and having a line width W2B, the W1A, W1B, W2A, and W2B are 0.5 to 10 ?m, W1A is larger than W1B and W2A is larger than W2B.Type: GrantFiled: August 22, 2017Date of Patent: September 3, 2019Assignee: FUJIFILM CorporationInventors: Masaya Nakayama, Makoto Sutou
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Patent number: 10303311Abstract: Provided are a touch-panel that is capable of reliably electrically connecting a terminal-portion and a flexible-printed-circuit board even in a case in which a groove formed in a resin layer is not completely filled with a conductive material in the terminal-portion and a method for manufacturing the touch-panel. A touch-panel includes a plurality of first terminal-portions that are provided so as to correspond to a plurality of first detection electrodes. The first terminal-portion includes a first resin layer that is provided on a first substrate and has a first terminal groove formed therein and a first conductive material that fills the first terminal groove. First conductive connection portions each of which comes into contact with the first conductive material of the first terminal-portion and covers at least a portion of the outer surface of the first resin layer are provided in a plurality of first terminal portions so as to be separated from each other.Type: GrantFiled: October 5, 2016Date of Patent: May 28, 2019Assignee: FUJIFILM CorporationInventors: Masaya Nakayama, Hiroyuki Kobayashi
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Publication number: 20190138138Abstract: A touch panel has a transparent insulating member, a first electrode layer, and a second electrode layer, in which in a case where a total area of first non-connecting wires in a first electrode of the first electrode layer is A1, a total area of first electrode wires in the first electrode is B1, and an occupation ratio of the first non-connecting wires in the first electrode is C1, C1=A1/(A1+B1) is satisfied, in a case where a total area of second non-connecting wires in a second electrode of the second electrode layer is A2, a total area of second electrode wires in the second electrode is B2, and an occupation ratio of the second non-connecting wires in the second electrode is C2, C2=A2/(A2+B2) is satisfied, and at least one first electrode and at least one second electrode satisfying C2<C1 are provided.Type: ApplicationFiled: January 7, 2019Publication date: May 9, 2019Applicant: FUJIFILM CorporationInventors: Masaya NAKAYAMA, Tadashi KURIKI
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Patent number: 10216349Abstract: A touch panel has a transparent insulating member, a first electrode layer, and a second electrode layer, in which in a case where a total area of first non-connecting wires in a first electrode of the first electrode layer is A1, a total area of first electrode wires in the first electrode is B1, and an occupation ratio of the first non-connecting wires in the first electrode is C1, C1=A1/(A1+B1) is satisfied, in a case where a total area of second non-connecting wires in a second electrode of the second electrode layer is A2, a total area of second electrode wires in the second electrode is B2, and an occupation ratio of the second non-connecting wires in the second electrode is C2, C2=A2/(A2+B2) is satisfied, and at least one first electrode and at least one second electrode satisfying C2<C1 are provided.Type: GrantFiled: May 30, 2018Date of Patent: February 26, 2019Assignee: FUJIFILM CorporationInventors: Masaya Nakayama, Tadashi Kuriki
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Publication number: 20180275801Abstract: A touch panel has a transparent insulating member, a first electrode layer, and a second electrode layer, in which in a case where a total area of first non-connecting wires in a first electrode of the first electrode layer is A1, a total area of first electrode wires in the first electrode is B1, and an occupation ratio of the first non-connecting wires in the first electrode is C1, C1=A1/(A1+B1) is satisfied, in a case where a total area of second non-connecting wires in a second electrode of the second electrode layer is A2, a total area of second electrode wires in the second electrode is B2, and an occupation ratio of the second non-connecting wires in the second electrode is C2, C2=A2/(A2+B2) is satisfied, and at least one first electrode and at least one second electrode satisfying C2<C1 are provided.Type: ApplicationFiled: May 30, 2018Publication date: September 27, 2018Applicant: FUJIFILM CorporationInventors: Masaya NAKAYAMA, Tadashi KURIKI
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Patent number: 10055076Abstract: In a second-conductive-sheet for a touch-panel, a plurality of upper-detection-electrodes disposed in a detection region and a plurality of second terminal wiring portions disposed in a peripheral wiring region to electrically connect the upper-detection-electrodes to second terminal portions and are formed. Each of the upper-detection-electrodes is made of a mesh-patterned first metal mesh having intersecting thin conductive metal wires, and each of the second terminal wiring portions is made of a mesh-patterned second metal mesh having intersecting thin conductive metal wires made of the same material as the thin conductive metal wires constituting each of the upper detection electrodes. The wire width of the first metal mesh is set to be equal to or less than 5 ?m, and the extension direction of the thin conductive metal wires constituting the first metal mesh and the second metal mesh is inclined with respect to a bending line direction of a bent portion of a second-resin-film.Type: GrantFiled: September 21, 2016Date of Patent: August 21, 2018Assignee: FUJIFILM CorporationInventor: Masaya Nakayama
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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: 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: 20170371453Abstract: A transparent conductive film includes a transparent insulating substrate, a first electrode, and a second electrode, in which a first thin metal wire 38 of the first electrode has a first front surface 38A being directed to the viewing side and having a line width W1A, and a first back surface 38B being directed to the side opposite to the viewing side and having a line width W1B, a second thin metal wire 39 of the second electrode has a second front surface 39A being directed to the viewing side and having a line width W2A, and a second back surface 39B being directed to the side opposite to the viewing side and having a line width W2B, the W1A, W1B, W2A, and W2B are 0.5 to 10 ?m, W1A is larger than W1B and W2A is larger than W2B.Type: ApplicationFiled: August 22, 2017Publication date: December 28, 2017Applicant: FUJIFILM CorporationInventors: Masaya NAKAYAMA, Makoto SUTOU
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Publication number: 20170363899Abstract: A transparent conductive film having a transmissive region includes a first electrode formed of a first thin metal wire arranged in the transmissive region; and a second electrode formed of a second thin metal wire arranged on a side opposite to a viewing side from the first electrode so as to intersect the first thin metal wire in the transmissive region, in which the first thin metal wire has a first front surface that is directed to the viewing side and has a line width W1A, and a first back surface that is directed to the side opposite to the viewing side and has a line width W1B, the second thin metal wire has a second front surface that is directed to the viewing side and has a line width W2A, and a second back surface that is directed to the side opposite to the viewing side and has a line width W2B, and the line widths W1A, W1B, W2A, and W2B are in a range of 0.5 to 10 ?m, and the line widths satisfy a relationship of W1B<W2A?W1A<W2B.Type: ApplicationFiled: September 5, 2017Publication date: December 21, 2017Applicant: FUJIFILM CorporationInventors: Masaya NAKAYAMA, Makoto SUTOU
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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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Patent number: 9578732Abstract: A composition for forming a silver ion diffusion-suppressing layer includes an insulating resin and a compound including: a structure selected from the group consisting of a triazole structure, a thiadiazole structure and a benzimidazole structure; a mercapto group; and at least one hydrocarbon group optionally containing a heteroatom, with the total number of carbon atoms in the hydrocarbon group or groups being 5 or more. The composition for forming a silver ion diffusion-suppressing layer allows formation of a silver ion diffusion-suppressing layer capable of suppressing silver ion migration between metal interconnects containing silver or a silver alloy to improve the reliability on the insulation between the metal interconnects.Type: GrantFiled: August 25, 2014Date of Patent: February 21, 2017Assignee: FUJIFILM CORPORATIONInventors: Yasuhiro Mitamura, Masaya Nakayama, Yuki Matsunami