Patents by Inventor Takanori Doi
Takanori Doi 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: 20230354626Abstract: An imaging device includes a pixel electrode, a counter electrode facing the pixel electrode, and a photoelectric conversion layer located between the pixel electrode and the counter electrode. The counter electrode includes a first transparent electrode, a second transparent electrode, and an intermediate layer located between the first transparent electrode and the second transparent electrode. A material of the intermediate layer is different from a material of the first transparent electrode and different from a material of the second transparent electrode. The photoelectric conversion layer, the first transparent electrode, the intermediate layer, and the second transparent electrode are arranged in this order. The intermediate layer contains an insulating material as a major ingredient.Type: ApplicationFiled: June 13, 2023Publication date: November 2, 2023Inventors: TAKANORI DOI, TAKAMICHI YOKOYAMA, TAKAHIRO KOYANAGI
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Patent number: 11523515Abstract: A method for manufacturing a wiring substrate includes forming a plating film on a metal foil laminated on a surface of an insulating layer, forming an etching resist on the plating film such that the etching resist has an opening for forming a conductor pattern, conducting a first etching process such that part of the plating film exposed from the opening of the etching resist is removed and that part of the metal foil is exposed, removing the etching resist from the plating film on the metal foil laminated on the surface of an insulating layer, and conducting a second etching process such that the part of the metal foil exposed by the first etching process is removed and that a conductor layer having the conductor pattern is formed on the surface of the insulating layer.Type: GrantFiled: January 22, 2021Date of Patent: December 6, 2022Assignee: IBIDEN CO., LTD.Inventors: Shinichiro Ichikawa, Takanori Doi
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Publication number: 20220217294Abstract: An imaging device includes: a first pixel array including a first photoelectric converter and first pixel electrodes connected to the first photoelectric converter; and a second pixel array including a second photoelectric converter and second pixel electrodes connected to the second photoelectric converter. The first pixel array and the second pixel array are stacked one on another. In a plan view, an area of an overlapping region defined by overlapping between the first pixel electrodes and a corresponding second pixel electrode of the second pixel electrodes is smaller than an area of a remaining region obtained by excluding the overlapping region from the corresponding second pixel electrode.Type: ApplicationFiled: March 25, 2022Publication date: July 7, 2022Inventors: SANSHIRO SHISHIDO, YUUKO TOMEKAWA, SHINICHI MACHIDA, TAKANORI DOI
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Publication number: 20210351212Abstract: An imaging device includes a photoelectric conversion layer, a counter electrode provided above the photoelectric conversion layer, a pixel electrode that faces the counter electrode with the photoelectric conversion layer disposed between the counter electrode and the pixel electrode, and a contact plug covered with the pixel electrode and connected to the pixel electrode. The pixel electrode includes a first layer and a second layer provided on the first layer in contact with the first layer. A surface of the first layer that is in contact with the second layer has a protrusion that protrudes upward.Type: ApplicationFiled: April 16, 2021Publication date: November 11, 2021Inventors: MORIKAZU TSUNO, TAKANORI DOI, YOSHINORI TAKAMI
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Publication number: 20210235584Abstract: A method for manufacturing a wiring substrate includes forming a plating film on a metal foil laminated on a surface of an insulating layer, forming an etching resist on the plating film such that the etching resist has an opening for forming a conductor pattern, conducting a first etching process such that part of the plating film exposed from the opening of the etching resist is removed and that part of the metal foil is exposed, removing the etching resist from the plating film on the metal foil laminated on the surface of an insulating layer, and conducting a second etching process such that the part of the metal foil exposed by the first etching process is removed and that a conductor layer having the conductor pattern is formed on the surface of the insulating layer.Type: ApplicationFiled: January 22, 2021Publication date: July 29, 2021Applicant: IBIDEN CO., LTD.Inventors: Shinichiro ICHIKAWA, Takanori DOI
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Patent number: 9697937Abstract: An object of the present invention is to provide a ferrite material that is excellent in temperature characteristic and DC superimposition characteristic. The present invention relates to Ni—Zn—Cu-based ferrite particles comprising 70 to 95% by weight of an Ni—Zn—Cu ferrite having a specific composition, 1 to 20% by weight of nickel oxide, 0 to 20% by weight of zinc oxide and 1 to 10% by weight of copper oxide, and a ferrite sintered ceramics obtained by sintering the ferrite particles.Type: GrantFiled: February 7, 2013Date of Patent: July 4, 2017Assignee: TODA KOGYO CORP.Inventors: Yoji Okano, Tomohiro Dote, Takanori Doi
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Patent number: 9502774Abstract: The present invention relates to a folded dipole antenna comprising a magnetic material comprising a hexagonal Z-type ferrite and/or a hexagonal Y-type ferrite as a main component in which a radiation element and a reflection element each having a folded dipole structure are disposed, and an RF tag comprising the folded dipole antenna and an IC chip connected to the folded dipole antenna. The RF tag according to the present invention has a smaller size than that of the conventional RF tags and is not susceptible to adverse influence from ambient environments, and can be operated at an UHF band or surrounding frequency bands thereof.Type: GrantFiled: November 10, 2011Date of Patent: November 22, 2016Assignee: TODA KOGYO CORPORATIONInventors: Yoji Okano, Tetsuya Kimura, Kazumi Yamamoto, Takanori Doi, Yoshiro Sato
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Patent number: 9397401Abstract: The present invention relates to a magnetic antenna for information communication using a magnetic field component which is capable of satisfying both reduction in size and improvement in communication sensitivity. The magnetic antenna of the present invention is used for transmitting and receiving information using an electromagnetic induction method, and comprises a central core formed of a magnetic material and a non-magnetic material, a coil-shaped electrode material wound around the core, and an insulating layer formed on at least one outside surface of the core on which the coil-shaped electrode material is provided, in which the magnetic material is separated into two or more parts through the non-magnetic material when viewed in a section of the core which is perpendicular to a magnetic flux passing therethrough.Type: GrantFiled: April 22, 2009Date of Patent: July 19, 2016Assignee: TODA KOGYO CORPORATIONInventors: Jun Koujima, Tetsuya Kimura, Takanori Doi, Yoshiro Sato
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Patent number: 9394204Abstract: The present invention relates to a molded ferrite sheet having opposing surfaces and a thickness in a range of 30 ?m to 430 ?m, at least one surface of said opposing surfaces having the following surface roughness characteristics (a) to (c): (a) a center line average roughness is in a range of 170 nm to 800 nm, (b) a maximum height is in a range of 3 ?m to 10 ?m, and (c) an area occupancy rate of cross-sectional area taken along a horizontal plane at a depth of 50% of the maximum height in a square of side 100 ?m is in a range of 10 to 80%.Type: GrantFiled: May 29, 2012Date of Patent: July 19, 2016Assignee: TODA KOGYO CORPORATIONInventors: Tetsuya Kimura, Tomohiro Dote, Kazumi Yamamoto, Takanori Doi, Yoji Okano
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Patent number: 9218559Abstract: The present invention relates to a composite RF tag for transmitting and receiving information using an electromagnetic induction method, comprising a magnetic antenna mounted with an IC, and a resin layer formed around the magnetic antenna, wherein the magnetic antenna comprises a central core formed of a magnetic material and a coil-shaped electrode material disposed around the core. The RF tag according to the present invention comprises the magnetic antenna surrounded by the resin, and therefore can provide a composite magnetic RF tag which can minimize adverse influence by surrounding water or metals in view of maintenance of tools or parts to which the composite RF tag is mounted, and is free from occurrence of any failure or cracking.Type: GrantFiled: May 8, 2014Date of Patent: December 22, 2015Assignee: TODA KOGYO CORPORATIONInventors: Jun Koujima, Takanori Doi, Tetsuya Kimura, Yoshiro Sato
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Publication number: 20150028251Abstract: An object of the present invention is to provide a ferrite material that is excellent in temperature characteristic and DC superimposition characteristic. The present invention relates to Ni—Zn—Cu-based ferrite particles comprising 70 to 95% by weight of an Ni—Zn—Cu ferrite having a specific composition, 1 to 20% by weight of nickel oxide, 0 to 20% by weight of zinc oxide and 1 to 10% by weight of copper oxide, and a ferrite sintered ceramics obtained by sintering the ferrite particles.Type: ApplicationFiled: February 7, 2013Publication date: January 29, 2015Inventors: Yoji Okano, Tomohiro Dote, Takanori Doi
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Publication number: 20140239075Abstract: The present invention relates to a composite RF tag for transmitting and receiving information using an electromagnetic induction method, comprising a magnetic antenna mounted with an IC, and a resin layer formed around the magnetic antenna, wherein the magnetic antenna comprises a central core formed of a magnetic material and a coil-shaped electrode material disposed around the core. The RF tag according to the present invention comprises the magnetic antenna surrounded by the resin, and therefore can provide a composite magnetic RF tag which can minimize adverse influence by surrounding water or metals in view of maintenance of tools or parts to which the composite RF tag is mounted, and is free from occurrence of any failure or cracking.Type: ApplicationFiled: May 8, 2014Publication date: August 28, 2014Applicant: TODA KOGYO CORPORATIONInventors: Jun KOUJIMA, Takanori DOI, Tetsuya KIMURA
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Patent number: 8720787Abstract: The present invention relates to a composite RF tag for transmitting and receiving information using an electromagnetic induction method, comprising a magnetic antenna mounted with an IC, and a resin layer formed around the magnetic antenna, wherein the magnetic antenna comprises a central core formed of a magnetic material and a coil-shaped electrode material disposed around the core. The RF tag according to the present invention comprises the magnetic antenna surrounded by the resin, and therefore can provide a composite magnetic RF tag which can minimize adverse influence by surrounding water or metals in view of maintenance of tools or parts to which the composite RF tag is mounted, and is free from occurrence of any failure or cracking.Type: GrantFiled: March 25, 2010Date of Patent: May 13, 2014Assignee: Toda Kogyo CorporationInventors: Jun Koujima, Takanori Doi, Tetsuya Kimura, Yoshiro Sato
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Publication number: 20130265205Abstract: The present invention relates to a folded dipole antenna comprising a magnetic material comprising a hexagonal Z-type ferrite and/or a hexagonal Y-type ferrite as a main component in which a radiation element and a reflection element each having a folded dipole structure are disposed, and an RF tag comprising the folded dipole antenna and an IC chip connected to the folded dipole antenna. The RF tag according to the present invention has a smaller size than that of the conventional RF tags and is not susceptible to adverse influence from ambient environments, and can be operated at an UHF band or surrounding frequency bands thereof.Type: ApplicationFiled: November 10, 2011Publication date: October 10, 2013Applicant: TODA KOGYO CORPORATIONInventors: Yoji Okano, Tetsuya Kimura, Kazumi Yamamoto, Takanori Doi, Yoshiro Sato
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Patent number: 8479999Abstract: A composite magnetic antenna for information communication utilizes a magnetic field component as well as a composite RF tag using the composite magnetic antenna, which can be embedded in metals while maintaining a sufficient communication sensitivity unlike conventional RF tags which are unusable in the metal embedding applications. The composite RF tag for transmitting and receiving information using an electromagnetic induction method includes a magnetic antenna on which an IC is mounted, and an insulating material and a metal material or a conductive material which are formed around the magnetic antenna. The magnetic antenna includes a central core formed of a magnetic material, and an electrode material formed into a coil around the central core. The insulating material is formed around the magnetic antenna except for one longitudinal end of the coil of the magnetic antenna. The metal material or the conductive material is formed on an outside of the insulating material.Type: GrantFiled: May 12, 2009Date of Patent: July 9, 2013Assignee: Toda Kogyo CorporationInventors: Jun Koujima, Tetsuya Kimura, Takanori Doi, Yoshiro Sato
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Publication number: 20120237728Abstract: The present invention relates to a molded ferrite sheet having opposing surfaces and a thickness in a range of 30 ?m to 430 ?m, at least one surface of said opposing surfaces having the following surface roughness characteristics (a) to (c): (a) a center line average roughness is in a range of 170 nm to 800 nm, (b) a maximum height is in a range of 3 ?m to 10 ?m, and (c) an area occupancy rate of cross-sectional area taken along a horizontal plane at a depth of 50% of the maximum height in a square of side 100 ?m is in a range of 10 to 80%.Type: ApplicationFiled: May 29, 2012Publication date: September 20, 2012Applicant: TODA KOGYO CORPORATIONInventors: Tetsuya KIMURA, Tomohiro Dote, Kazumi Yamamoto, Takanori Doi, Yoji Okano
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Publication number: 20120091210Abstract: The present invention relates to a composite RF tag for transmitting and receiving information using an electromagnetic induction method, comprising a magnetic antenna mounted with an IC, and a resin layer formed around the magnetic antenna, wherein the magnetic antenna comprises a central core formed of a magnetic material and a coil-shaped electrode material disposed around the core. The RF tag according to the present invention comprises the magnetic antenna surrounded by the resin, and therefore can provide a composite magnetic RF tag which can minimize adverse influence by surrounding water or metals in view of maintenance of tools or parts to which the composite RF tag is mounted, and is free from occurrence of any failure or cracking.Type: ApplicationFiled: March 25, 2010Publication date: April 19, 2012Inventors: Jun Koujima, Takanori Doi, Tetsuya Kimura, Yoshiro Sato
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Publication number: 20110129641Abstract: The present invention relates to a molded ferrite sheet having opposing surfaces and a thickness in a range of 30 ?m to 430 ?m, at least one surface of said opposing surfaces having the following surface roughness characteristics (a) to (c): (a) a center line average roughness is in a range of 170 nm to 800 nm, (b) a maximum height is in a range of 3 ?m to 10 ?m, and (c) an area occupancy rate of cross-sectional area taken along a horizontal plane at a depth of 50% of the maximum height in a square of side 100 ?m is in a range of 10 to 80%.Type: ApplicationFiled: February 3, 2011Publication date: June 2, 2011Applicant: TODA KOGYO CORPORATIONInventors: Tetsuya Kimura, Tomohiro Dote, Kazumi Yamamoto, Takanori Doi, Yoji Okano
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Publication number: 20110124299Abstract: The present invention relates to a magnetic antenna for information communication using a magnetic field component which is capable of satisfying both reduction in size and improvement in communication sensitivity. The magnetic antenna of the present invention is used for transmitting and receiving information using an electromagnetic induction method, and comprises a central core formed of a magnetic material and a non-magnetic material, a coil-shaped electrode material wound around the core, and an insulating layer formed on at least one outside surface of the core on which the coil-shaped electrode material is provided, in which the magnetic material is separated into two or more parts through the non-magnetic material when viewed in a section of the core which is perpendicular to a magnetic flux passing therethrough.Type: ApplicationFiled: April 22, 2009Publication date: May 26, 2011Inventors: Jun Koujima, Tetsuya Kimura, Takanori Doi, Yoshiro Sato
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Publication number: 20110101113Abstract: The present invention relates to a composite magnetic antenna for information communication utilizing a magnetic field component as well as a composite RF tag using the composite magnetic antenna, which can be embedded in metals while maintaining a sufficient communication sensitivity unlike conventional RF tags which were unusable in the metal embedding applications.Type: ApplicationFiled: May 12, 2009Publication date: May 5, 2011Inventors: Jun Koujima, Tetsuya Kimura, Takanori Doi, Yoshiro Sato