Patents by Inventor Takahiko Ichiki
Takahiko Ichiki 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: 20230013404Abstract: An object of the present invention is to provide a laminated sheet for a metal-clad laminate and a method of manufacturing the same, the laminated sheet including: a substrate that includes a liquid crystal polymer or a fluoropolymer; and an adhesive layer, in which adhesiveness with a metal layer formed on the adhesive layer is excellent. Another object of the present invention is to provide a metal-clad laminate and a method of manufacturing the same. A laminated sheet for a metal-clad laminate includes: a substrate that includes a liquid crystal polymer or a fluoropolymer; an inorganic oxide layer; and an adhesive layer, in which the substrate, the inorganic oxide layer, and the adhesive layer are laminated in this order.Type: ApplicationFiled: September 19, 2022Publication date: January 19, 2023Applicant: FUJIFILM CorporationInventors: Takahiko ICHIKI, Yoshihiko MOCHIZUKI
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Publication number: 20220312656Abstract: An electromagnetic shielding member (11) includes a substrate (12) having a three-dimensional shape, and a conductive layer member (13) that is disposed on the substrate (12) and reflects an electromagnetic wave in a wavelength-selective manner.Type: ApplicationFiled: June 13, 2022Publication date: September 29, 2022Applicant: FUJIFILM CorporationInventors: Takahiko ICHIKI, Tokuju OIKAWA, Hideki YASUDA
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Patent number: 11216123Abstract: The present invention provides a conductive film in which a change in the surface state is suppressed and the light-fast adhesiveness of a protective layer is excellent, a touch panel sensor, and a touch panel. The conductive film according to the present invention includes a substrate, a patterned layer to be plated which is arranged on at least one surface of the substrate and has a functional group interacting with a plating catalyst or a precursor thereof, a copper plating layer which is arranged to cover the patterned layer to be plated and is in contact with the substrate, a metal layer which is arranged to cover the copper plating layer and contains a metal that is electrochemically nobler than copper, a nitrogen-containing compound layer which is arranged to cover the metal layer that is electrochemically nobler than copper, and a protective layer which is arranged to cover the nitrogen-containing compound layer.Type: GrantFiled: September 9, 2020Date of Patent: January 4, 2022Assignee: FUJIFILM CorporationInventors: Chika Matsuoka, Takahiko Ichiki
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Publication number: 20200409495Abstract: The present invention provides a conductive film in which a change in the surface state is suppressed, a touch panel sensor, and a touch panel. The conductive film according to the present invention includes a substrate, a patterned layer to be plated which is arranged on at least one surface of the substrate and has a functional group interacting with a plating catalyst or a precursor thereof, a copper plating layer which is arranged so as to cover the patterned layer to be plated and is in contact with the substrate, and a protective layer which is arranged so as to cover the copper plating layer, in which the protective layer contains an alloy of copper and a metal that is electrochemically nobler than copper.Type: ApplicationFiled: September 14, 2020Publication date: December 31, 2020Applicant: FUJIFILM CorporationInventor: Takahiko ICHIKI
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Publication number: 20200409494Abstract: The present invention provides a conductive film in which a change in the surface state is suppressed and the light-fast adhesiveness of a protective layer is excellent, a touch panel sensor, and a touch panel. The conductive film according to the present invention includes a substrate, a patterned layer to be plated which is arranged on at least one surface of the substrate and has a functional group interacting with a plating catalyst or a precursor thereof, a copper plating layer which is arranged to cover the patterned layer to be plated and is in contact with the substrate, a metal layer which is arranged to cover the copper plating layer and contains a metal that is electrochemically nobler than copper, a nitrogen-containing compound layer which is arranged to cover the metal layer that is electrochemically nobler than copper, and a protective layer which is arranged to cover the nitrogen-containing compound layer.Type: ApplicationFiled: September 9, 2020Publication date: December 31, 2020Applicant: FUJIFILM CorporationInventors: Chika MATSUOKA, Takahiko ICHIKI
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Patent number: 10559763Abstract: The present invention provides a photoelectric conversion element having a photoelectric conversion film which exhibits excellent photoelectric conversion efficiency and responsiveness, an imaging device, an optical sensor, and a method of using a photoelectric conversion element. In the photoelectric conversion element of the invention, a photoelectric conversion material contains at least one selected from the group consisting of a compound represented by General formula (1), a compound represented by General formula (2), and a compound represented by General formula (3).Type: GrantFiled: November 9, 2018Date of Patent: February 11, 2020Assignee: FUJIFILM CorporationInventors: Tomoaki Yoshioka, Masaaki Tsukase, Takahiko Ichiki, Daigo Sawaki
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Publication number: 20190333656Abstract: A method of manufacturing a conductive film includes forming a first metallic film containing nickel as a main component on at least one main surface of the transparent resin substrate so as to be in contact with the transparent resin substrate, forming a second metallic film containing copper as a main component on the first metallic film, forming, on the second metallic film, a resist film provided with openings in a region where the metallic thin wires are formed, removing the second metallic film in the openings, forming a third metallic film on the first metallic film in the openings by a plating method, removing the resist film, removing the second metallic film on the first metallic film, and removing the first metallic film using the third metallic film as a mask.Type: ApplicationFiled: July 2, 2019Publication date: October 31, 2019Applicant: FUJIFILM CorporationInventor: Takahiko ICHIKI
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Publication number: 20190081250Abstract: The present invention provides a photoelectric conversion element having a photoelectric conversion film which exhibits excellent photoelectric conversion efficiency and responsiveness, an imaging device, an optical sensor, and a method of using a photoelectric conversion element. In the photoelectric conversion element of the invention, a photoelectric conversion material contains at least one selected from the group consisting of a compound represented by General formula (1), a compound represented by General formula (2), and a compound represented by General formula (3).Type: ApplicationFiled: November 9, 2018Publication date: March 14, 2019Applicant: FUJIFILM CorporationInventors: Tomoaki YOSHIOKA, Masaaki TSUKASE, Takahiko ICHIKI, Daigo SAWAKI
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Publication number: 20190029111Abstract: The present invention provides a method for producing a metal wiring-containing laminate which is capable of efficiently producing a metal wiring-containing laminate having a fine metal wiring with low resistance; as well as a metal wiring-containing laminate and a substrate with a plated layer. The method for producing a metal wiring-containing laminate of the present invention includes: a step of forming a photosensitive layer having a functional group capable of interacting with a plating catalyst or a precursor thereof on a substrate; a step of exposing the photosensitive layer in a patternwise manner and subjecting the exposed photosensitive layer to a development treatment to form a plated layer having a groove portion; a step of applying a plating catalyst or a precursor thereof to the plated layer; and a step of subjecting the plated layer, to which the plating catalyst or the precursor thereof has been applied, to a plating treatment to form a metal wiring so as to fill the groove portion.Type: ApplicationFiled: September 14, 2018Publication date: January 24, 2019Applicant: FUJIFILM CorporationInventors: Chika MATSUOKA, Takahiko ICHIKI, Takehiro KASAHARA, Takeshi NARITA
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Patent number: 10177320Abstract: The present invention provides a photoelectric conversion element having a photoelectric conversion film which exhibits excellent photoelectric conversion efficiency and responsiveness, an imaging device, an optical sensor, and a method of using a photoelectric conversion element. In the photoelectric conversion element of the invention, a photoelectric conversion material contains at least one selected from the group consisting of a compound represented by General formula (1), a compound represented by General formula (2), and a compound represented by General formula (3).Type: GrantFiled: September 24, 2015Date of Patent: January 8, 2019Assignee: FUJIFILM CorporationInventors: Tomoaki Yoshioka, Masaaki Tsukase, Takahiko Ichiki, Daigo Sawaki
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Publication number: 20180371618Abstract: An object of the present invention is to provide a film having a plated-layer precursor layer which is capable of forming a metal layer having excellent roll-to-roll productivity and excellent adhesiveness to a substrate. Another object of the present invention is to provide a film having a patterned plated layer as well as an electroconductive film and a touch panel using the same. The film having a plated-layer precursor layer of the present invention is a film having a plated-layer precursor layer including a substrate, and an undercoat and a plated-layer precursor layer disposed on the substrate in this order from the substrate side, in which the undercoat has a hardness on the surface thereof of 10 N/mm2 or less and a friction coefficient with release paper of 5 or less.Type: ApplicationFiled: August 29, 2018Publication date: December 27, 2018Applicant: FUJIFILM CorporationInventors: Takahiko ICHIKI, Naoki TSUKAMOTO, Takeshi SENGA, Takehiro KASAHARA, Yuko TERAO, Shuuji KANAYAMA
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Patent number: 9997721Abstract: An object of the invention is to provide: a photoelectric conversion material which has excellent deposition stability such that when the photoelectric conversion material is used in a photoelectric conversion element, the change in the performance of the element due to variations in the concentration of the photoelectric conversion material is small; a photoelectric conversion element using the photoelectric conversion material; and an optical sensor and an imaging element including the photoelectric conversion element. The photoelectric conversion material of the invention is a compound (A) expressed by the following Formula (1).Type: GrantFiled: February 1, 2016Date of Patent: June 12, 2018Assignee: FUJIFILM CorporationInventors: Yosuke Yamamoto, Masaaki Tsukase, Tomoaki Yoshioka, Naoyuki Hanaki, Takahiko Ichiki, Daigo Sawaki
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Publication number: 20180015697Abstract: Provided are a composition for forming a plating layer, which is capable of forming a metal layer having excellent conductivity by means of a plating treatment and is capable of forming a plating layer having excellent adhesiveness to the metal layer, as well as a film having a plating layer precursor layer, a film having a plating layer, a conductive film, and a touch panel, each of which uses the composition for forming a plating layer. The composition for forming a plating layer according to the present invention includes a non-polymerizable polymer having a group capable of interacting with a metal ion, a polyfunctional monomer having two or more polymerizable functional groups, a monofunctional monomer, and a polymerization initiator.Type: ApplicationFiled: September 27, 2017Publication date: January 18, 2018Applicant: FUJIFILM CORPORATIONInventor: Takahiko ICHIKI
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Publication number: 20170179413Abstract: A transistor and a manufacturing method of a transistor which prevents a decrease in mobility, prevents a decrease in a withstand voltage of the insulating layer, and prevents a short circuit between a gate electrode and a semiconductor layer due to curvature. A substrate having insulating properties, a source electrode and a drain electrode disposed in a surface direction of a main surface of the substrate by being separated from each other, a gate electrode disposed between the source electrode and the drain electrode in the surface direction of the substrate, a semiconductor layer disposed in contact with the source electrode and the drain electrode, and an insulating film disposed between the gate electrode and the semiconductor layer in a direction perpendicular to the main surface of the substrate are included, and a gap region is formed between the semiconductor layer and the insulating film.Type: ApplicationFiled: March 9, 2017Publication date: June 22, 2017Applicant: FUJIFILM CORPORATIONInventors: Yoshihisa USAMI, Yoshiki MAEHARA, Takahiko ICHIKI
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Publication number: 20170168000Abstract: The present invention provides a gas sensor which exhibits high detection sensitivity and includes an organic transistor and an organic transistor. A gas sensor of the present invention includes a bottom-gate type organic transistor including a source electrode, a drain electrode, a gate electrode, a gate insulating layer, an organic semiconductor layer, and a receptor layer which is disposed between the gate insulating layer and the organic semiconductor layer and includes a compound that interacts with gas molecules which are a detection subject.Type: ApplicationFiled: February 27, 2017Publication date: June 15, 2017Applicant: FUJIFILM CORPORATIONInventor: Takahiko ICHIKI
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Publication number: 20160149144Abstract: An object of the invention is to provide: a photoelectric conversion material which has excellent deposition stability such that when the photoelectric conversion material is used in a photoelectric conversion element, the change in the performance of the element due to variations in the concentration of the photoelectric conversion material is small; a photoelectric conversion element using the photoelectric conversion material; and an optical sensor and an imaging element including the photoelectric conversion element. The photoelectric conversion material of the invention is a compound (A) expressed by the following Formula (1).Type: ApplicationFiled: February 1, 2016Publication date: May 26, 2016Applicant: FUJIFILM CorporationInventors: Yosuke YAMAMOTO, Masaaki TSUKASE, Tomoaki YOSHIOKA, Naoyuki HANAKI, Takahiko ICHIKI, Daigo SAWAKI
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Patent number: 9343508Abstract: A wafer for forming an imaging element has a test pattern and a plurality of imaging element units. The wafer has an imaging region which includes a great number of photoelectric conversion pixels, an imaging element units and a test pattern. The test pattern includes a testing organic photoelectric conversion film and a testing counter electrode having the same configuration and formed at the same time as the organic photoelectric conversion film and a counter electrode, respectively of the photoelectric conversion pixels. A first testing terminal is electrically connected to the undersurface side of the testing organic photoelectric conversion film, and a second testing terminal is electrically connected to the testing counter electrode. A protective film is formed over the entire semiconductor wafer so as to cover the imaging region and the test pattern, and is then partially removed so that a part of each testing terminal is exposed.Type: GrantFiled: September 25, 2014Date of Patent: May 17, 2016Assignee: FUJIFILM CorporationInventor: Takahiko Ichiki
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Publication number: 20160013426Abstract: The present invention provides a photoelectric conversion element having a photoelectric conversion film which exhibits excellent photoelectric conversion efficiency and responsiveness, an imaging device, an optical sensor, and a method of using a photoelectric conversion element. In the photoelectric conversion element of the invention, a photoelectric conversion material contains at least one selected from the group consisting of a compound represented by General formula (1), a compound represented by General formula (2), and a compound represented by General formula (3).Type: ApplicationFiled: September 24, 2015Publication date: January 14, 2016Applicant: FUJIFILM CORPORATIONInventors: Tomoaki YOSHIOKA, Masaaki TSUKASE, Takahiko ICHIKI, Daigo SAWAKI
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Publication number: 20160013424Abstract: A photoelectric conversion element exhibiting excellent responsiveness and high photoelectric conversion efficiency, a method of using the photoelectric conversion element, and an optical sensor and an image sensor including the photoelectric conversion element are provided. The photoelectric conversion element includes a conductive film, a photoelectric conversion film containing a photoelectric conversion material and a transparent conductive film. The conductive film, the photoelectric conversion film and the transparent conductive film are formed in this order.Type: ApplicationFiled: September 23, 2015Publication date: January 14, 2016Applicant: FUJIFILM CORPORATIONInventors: Yosuke YAMAMOTO, Tomoaki YOSHIOKA, Takahiko ICHIKI
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Publication number: 20150048352Abstract: A wafer for forming an imaging element has a test pattern and a plurality of imaging element units. The wafer has an imaging region which includes a great number of photoelectric conversion pixels, an imaging element units and a test pattern. The test pattern includes a testing organic photoelectric conversion film and a testing counter electrode having the same configuration and formed at the same time as the organic photoelectric conversion film and a counter electrode, respectively of the photoelectric conversion pixels. A first testing terminal is electrically connected to the undersurface side of the testing organic photoelectric conversion film, and a second testing terminal is electrically connected to the testing counter electrode. A protective film is formed over the entire semiconductor wafer so as to cover the imaging region and the test pattern, and is then partially removed so that a part of each testing terminal is exposed.Type: ApplicationFiled: September 25, 2014Publication date: February 19, 2015Applicant: FUJIFILM CORPORATIONInventor: Takahiko ICHIKI