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).

  • Publication number: 20230013404
    Abstract: 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: Application
    Filed: September 19, 2022
    Publication date: January 19, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Takahiko ICHIKI, Yoshihiko MOCHIZUKI
  • Publication number: 20220312656
    Abstract: 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: Application
    Filed: June 13, 2022
    Publication date: September 29, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Takahiko ICHIKI, Tokuju OIKAWA, Hideki YASUDA
  • Patent number: 11216123
    Abstract: 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: Grant
    Filed: September 9, 2020
    Date of Patent: January 4, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Chika Matsuoka, Takahiko Ichiki
  • Publication number: 20200409495
    Abstract: 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: Application
    Filed: September 14, 2020
    Publication date: December 31, 2020
    Applicant: FUJIFILM Corporation
    Inventor: Takahiko ICHIKI
  • Publication number: 20200409494
    Abstract: 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: Application
    Filed: September 9, 2020
    Publication date: December 31, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Chika MATSUOKA, Takahiko ICHIKI
  • Patent number: 10559763
    Abstract: 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: Grant
    Filed: November 9, 2018
    Date of Patent: February 11, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Tomoaki Yoshioka, Masaaki Tsukase, Takahiko Ichiki, Daigo Sawaki
  • Publication number: 20190333656
    Abstract: 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: Application
    Filed: July 2, 2019
    Publication date: October 31, 2019
    Applicant: FUJIFILM Corporation
    Inventor: Takahiko ICHIKI
  • Publication number: 20190081250
    Abstract: 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: Application
    Filed: November 9, 2018
    Publication date: March 14, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Tomoaki YOSHIOKA, Masaaki TSUKASE, Takahiko ICHIKI, Daigo SAWAKI
  • Publication number: 20190029111
    Abstract: 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: Application
    Filed: September 14, 2018
    Publication date: January 24, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Chika MATSUOKA, Takahiko ICHIKI, Takehiro KASAHARA, Takeshi NARITA
  • Patent number: 10177320
    Abstract: 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: Grant
    Filed: September 24, 2015
    Date of Patent: January 8, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Tomoaki Yoshioka, Masaaki Tsukase, Takahiko Ichiki, Daigo Sawaki
  • Publication number: 20180371618
    Abstract: 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: Application
    Filed: August 29, 2018
    Publication date: December 27, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Takahiko ICHIKI, Naoki TSUKAMOTO, Takeshi SENGA, Takehiro KASAHARA, Yuko TERAO, Shuuji KANAYAMA
  • Patent number: 9997721
    Abstract: 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: Grant
    Filed: February 1, 2016
    Date of Patent: June 12, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Yosuke Yamamoto, Masaaki Tsukase, Tomoaki Yoshioka, Naoyuki Hanaki, Takahiko Ichiki, Daigo Sawaki
  • Publication number: 20180015697
    Abstract: 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: Application
    Filed: September 27, 2017
    Publication date: January 18, 2018
    Applicant: FUJIFILM CORPORATION
    Inventor: Takahiko ICHIKI
  • Publication number: 20170179413
    Abstract: 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: Application
    Filed: March 9, 2017
    Publication date: June 22, 2017
    Applicant: FUJIFILM CORPORATION
    Inventors: Yoshihisa USAMI, Yoshiki MAEHARA, Takahiko ICHIKI
  • Publication number: 20170168000
    Abstract: 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: Application
    Filed: February 27, 2017
    Publication date: June 15, 2017
    Applicant: FUJIFILM CORPORATION
    Inventor: Takahiko ICHIKI
  • Publication number: 20160149144
    Abstract: 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: Application
    Filed: February 1, 2016
    Publication date: May 26, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Yosuke YAMAMOTO, Masaaki TSUKASE, Tomoaki YOSHIOKA, Naoyuki HANAKI, Takahiko ICHIKI, Daigo SAWAKI
  • Patent number: 9343508
    Abstract: 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: Grant
    Filed: September 25, 2014
    Date of Patent: May 17, 2016
    Assignee: FUJIFILM Corporation
    Inventor: Takahiko Ichiki
  • Publication number: 20160013426
    Abstract: 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: Application
    Filed: September 24, 2015
    Publication date: January 14, 2016
    Applicant: FUJIFILM CORPORATION
    Inventors: Tomoaki YOSHIOKA, Masaaki TSUKASE, Takahiko ICHIKI, Daigo SAWAKI
  • Publication number: 20160013424
    Abstract: 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: Application
    Filed: September 23, 2015
    Publication date: January 14, 2016
    Applicant: FUJIFILM CORPORATION
    Inventors: Yosuke YAMAMOTO, Tomoaki YOSHIOKA, Takahiko ICHIKI
  • Publication number: 20150048352
    Abstract: 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: Application
    Filed: September 25, 2014
    Publication date: February 19, 2015
    Applicant: FUJIFILM CORPORATION
    Inventor: Takahiko ICHIKI