Patents by Inventor Norihiro Arai
Norihiro Arai 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: 10381160Abstract: A multi-layer ceramic electronic component includes a multi-layer unit and an external electrode. The multi-layer unit includes an end surface oriented in a first direction, a side surface oriented in a second direction orthogonal to the first direction, a ridge connecting the end surface and the side surface, ceramic layers, and internal electrodes. The multi-layer ceramic electronic component satisfies the following relationships: A/L?0.0142*ln(L)+0.0256, A/T?0.0274*ln(T)+0.0719, B/L?0.0103*ln(L)+0.0281, and B/T?0.0189*ln(T)+0.0707, where A represents a thickness of the external electrode in the second direction at a position adjacent to the ridge on the side surface, B represents a thickness of the external electrode in the first direction at a position adjacent to the ridge on the end surface, L represents a dimension of the multi-layer ceramic electronic component in the first direction, and T represents a dimension of the multi-layer ceramic electronic component in the second direction.Type: GrantFiled: August 15, 2017Date of Patent: August 13, 2019Assignee: TAIYO YUDEN CO., LTD.Inventors: Katsuo Sakatsume, Masumi Ishii, Takeshi Nosaki, Norihiro Arai, Jyouji Ariga, Yasushi Inoue
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Publication number: 20190180940Abstract: A multi-layer ceramic capacitor includes: a ceramic body including ceramic layers laminated along one axial direction, first and second internal electrodes alternately disposed between the ceramic layers, first and second end surfaces to which the first and second internal electrodes are respectively drawn, a first end margin that forms an interval between the first end surface and the second internal electrodes, and a second end margin that forms an interval between the second end surface and the first internal electrodes; and first and second external electrodes that respectively cover the first and second end surfaces and are respectively connected to the first and second internal electrodes, the multi-layer ceramic capacitor satisfying the following relationship: SE?S/400+300, where S (?m) represents an area of the ceramic body and SE (?m) represents a total area of the first and second internal electrodes in cross sections of the first and second end margins.Type: ApplicationFiled: November 30, 2018Publication date: June 13, 2019Inventors: JYOUJI ARIGA, KATSUO SAKATSUME, MASUMI ISHII, TAKESHI NOSAKI, NORIHIRO ARAI, YASUSHI INOUE
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Publication number: 20190139704Abstract: A multilayer ceramic capacitor includes: a ceramic multilayer structure designated to have ceramic dielectric layers and internal electrode layers alternately stacked, the internal electrode layers being mainly composed of a transition metal other than an iron group, end edges of the internal electrode layers being alternately exposed to a first end face and a second end face; and a pair of external electrodes provided on the first end face and the second end face, wherein: the external electrodes have a base conductive layer and a first plated layer; the base conductive layer directly contacts the ceramic multilayer structure; a main component of the base conductive layer is a noble metal or a transition metal other than an iron group; and a total concentration of Si and B in a second-phase not contacting the ceramic multilayer structure is 0.3 wt % or less, in the base conductive layer.Type: ApplicationFiled: November 1, 2018Publication date: May 9, 2019Inventors: Norihiro ARAI, Takeshi NOSAKI, Masumi ISHII, Jyouji ARIGA, Hiroyuki MOTEKI, Manabu OZAWA
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Publication number: 20190096578Abstract: A multi-layer ceramic capacitor includes: a ceramic body that includes a plurality of ceramic layers laminated in one axial direction and includes polycrystal having a Perovskite structure as a main phase, the Perovskite structure containing calcium and zirconium and being expressed by a general expression ABO3, the polycrystal containing silicon, boron, and lithium; first and second internal electrodes alternately disposed between the ceramic layers; a first external electrode provided on an outer surface of the ceramic body and connected to the first internal electrodes; and a second external electrode provided on the outer surface of the ceramic body and connected to the second internal electrodes, the multi-layer ceramic capacitor satisfying 0.2858V+0.4371?CLi?0.1306V+3.0391, where V (mm3) represents a volume of the ceramic body, and CLi (atm %) represents a concentration of the lithium when a concentration of a B-site element of the main phase of the polycrystal is 100 atm %.Type: ApplicationFiled: September 10, 2018Publication date: March 28, 2019Inventors: NORIHIRO ARAI, KATSUO SAKATSUME, TAKESHI NOSAKI, MASUMI ISHII, JOJI ARIGA
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Patent number: 10025137Abstract: A liquid crystal display device includes: a first substrate and a second substrate; a liquid crystal layer sandwiched between the first substrate and the second substrate, containing P-type liquid crystal molecules, and configured to be perpendicularly aligned when no electric field is applied; a pixel including a reflecting region and a transmitting region, cell gaps of the reflecting region and the transmitting region being the same; one pixel electrode formed into a line on the first electrode; a first common electrode provided on the first substrate to sandwich the pixel electrode; a second common electrode provided on the second substrate; and a reflecting film provided in the reflecting region to overlap a portion of the pixel electrode, and comprising a conductive material.Type: GrantFiled: February 25, 2016Date of Patent: July 17, 2018Assignee: ORTUS TECHNOLOLGY CO., LTD.Inventors: Norihiro Arai, Kunpei Kobayashi, Ryota Mizusako
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Publication number: 20180053601Abstract: A multi-layer ceramic electronic component includes a multi-layer unit and an external electrode. The multi-layer unit includes an end surface oriented in a first direction, a side surface oriented in a second direction orthogonal to the first direction, a ridge connecting the end surface and the side surface, ceramic layers, and internal electrodes. The multi-layer ceramic electronic component satisfies the following relationships: A/L?0.0142*ln(L)+0.0256, A/T?0.0274*ln(T)+0.0719, B/L?0.0103*ln(L)+0.0281, and B/T?0.0189*ln(T)+0.0707, where A represents a thickness of the external electrode in the second direction at a position adjacent to the ridge on the side surface, B represents a thickness of the external electrode in the first direction at a position adjacent to the ridge on the end surface, L represents a dimension of the multi-layer ceramic electronic component in the first direction, and T represents a dimension of the multi-layer ceramic electronic component in the second direction.Type: ApplicationFiled: August 15, 2017Publication date: February 22, 2018Inventors: Katsuo Sakatsume, Masumi Ishii, Takeshi Nosaki, Norihiro Arai, Jyouji Ariga, Yasushi Inoue
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Patent number: 9897869Abstract: A liquid crystal display device includes: first and second substrates disposed to be opposed to each other; a liquid crystal layer held between the first and second substrates, formed of a p-type liquid crystal material, and configured to take a vertical alignment in a state in which no electric field is applied; one or a plurality of linear pixel electrodes provided on the first substrate; a first common electrode provided on the first substrate, and formed in a manner to surround or sandwich the pixel electrode with a predetermined spacing; and a second common electrode provided on the second substrate, having substantially the same planar shape as the first common electrode, and formed such that at least a part of the second common electrode overlaps the first common electrode in planar projection.Type: GrantFiled: July 1, 2016Date of Patent: February 20, 2018Assignee: ORTUS TECHNOLOGY CO., LTD.Inventors: Norihiro Arai, Kunpei Kobayashi, Ryota Mizusako
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Publication number: 20180046022Abstract: A liquid crystal display includes: a light source unit which emits blue light; a first substrate opposed to the light source unit; a second substrate arranged to face the first substrate; a liquid crystal layer provided between the first substrate and the second substrate; and a wavelength conversion unit provided on the second substrate, controlling a wavelength of blue light having passed through the liquid crystal layer, and including quantum dots.Type: ApplicationFiled: October 26, 2017Publication date: February 15, 2018Applicant: Ortus Technology Co., Ltd.Inventors: Hidehiro MORITA, Ryota MIZUSAKO, Norihiro ARAI
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Publication number: 20180046009Abstract: A liquid crystal display includes: a first substrate and a second substrate arranged to face each other; a liquid crystal layer provided between the first substrate and the second substrate and having a vertical alignment (VA) mode; a first electrode provided on the first substrate and extending in a first direction; a first pixel electrode and a second pixel electrode which are provided in one pixel region and above the first electrode, with an insulating layer interposed, and which are arrayed in the first direction; a first contact member which connects the first electrode and the first pixel electrode to each other; a second contact member which connects the first electrode and the second pixel electrode to each other; and a common electrode provided on the second substrate.Type: ApplicationFiled: October 26, 2017Publication date: February 15, 2018Applicant: Ortus Technology Co., Ltd.Inventors: Norihiro ARAI, Hiromitsu ISHll, Ryota Mizusako, Kunpei KOBAYASHI
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Publication number: 20170345570Abstract: A multilayer ceramic capacitor includes: a ceramic multilayer structure having ceramic dielectric layers and internal electrode layers alternately stacked, the internal electrode layers being mainly composed of a transition metal other than an iron group, end edges of the internal electrode layers being alternately exposed to a first end face and a second end face; and a pair of external electrodes provided on the first end face and the second end face, wherein the external electrode includes a base conductive layer that includes glass of less than 7 weight % and is mainly composed of a transition metal other than an iron group or a noble metal, and a first plated film that covers the base conductive layer, has a thickness that is half of a thickness of the base conductive layer or more and is mainly composed of a transition metal other than an iron group.Type: ApplicationFiled: March 13, 2017Publication date: November 30, 2017Inventors: Katsuo SAKATSUME, Masumi ISHII, Takeshi NOSAKI, Norihiro ARAI, Jyouji ARIGA, Yasushi INOUE
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Publication number: 20170345568Abstract: A multilayer ceramic capacitor includes: a ceramic multilayer structure having ceramic dielectric layers and internal electrode layers alternately stacked, the internal electrode layers being mainly composed of a transition metal other than an iron group, end edges of the internal electrode layers being alternately exposed to a first end face and a second end face; and at least a pair of external electrodes that are provided on the first face and the second face of the ceramic multilayer structure, wherein the external electrode includes a base conductive layer including ceramic of 5 weight % or less and being mainly composed of a transition metal other than an iron group or a noble metal and a first plated film having a thickness that is half of a thickness of the base conductive layer or more and being mainly composed of a transition metal other than an iron group.Type: ApplicationFiled: March 13, 2017Publication date: November 30, 2017Inventors: Katsuo SAKATSUME, Masumi ISHII, Takeshi NOSAKI, Norihiro ARAI, Jyouji ARIGA, Yasushi INOUE
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Publication number: 20170345569Abstract: A multilayer ceramic capacitor includes: a ceramic multilayer structure in which a ceramic dielectric layer and an internal electrode layer mainly composed of transition metal other than iron-group transition metal are alternately stacked, and a plurality of the internal electrode layers stacked are alternately exposed to a pair of end surfaces of the ceramic multilayer structure; a pair of external electrodes that are coupled to the internal electrode layer in the pair of end surfaces and are mainly composed of transition metal other than iron-group transition metal; and a conductor that is fixed to the ceramic multilayer structure, is located in a region other than a region in which the plurality of the internal electrode layers face each other, and is mainly composed of iron-group transition metal.Type: ApplicationFiled: March 13, 2017Publication date: November 30, 2017Inventors: Katsuo SAKATSUME, Masumi ISHII, Takeshi NOSAKI, Norihiro ARAI, Jyouji ARIGA
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Patent number: 9664948Abstract: A liquid crystal display includes: first and second substrates; a liquid crystal layer sandwiched between the first and second substrates and comprising a polymer network liquid crystal (PNLC) or a polymer dispersed liquid crystal (PDLC); a common electrode provided on the first substrate; transistors provided on the second substrate for respective pixels; a reflective film provided on the transistors; a color filter provided on the reflective film; and pixel electrodes provided on the color filter and electrically connected to drain electrodes of the respective transistors.Type: GrantFiled: March 11, 2015Date of Patent: May 30, 2017Assignee: ORTUS TECHNOLOGY CO., LTD.Inventors: Norihiro Arai, Kunpei Kobayashi, Ryota Mizusako
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Publication number: 20160313616Abstract: A liquid crystal display device includes: first and second substrates disposed to be opposed to each other; a liquid crystal layer held between the first and second substrates, formed of a p-type liquid crystal material, and configured to take a vertical alignment in a state in which no electric field is applied; one or a plurality of linear pixel electrodes provided on the first substrate; a first common electrode provided on the first substrate, and formed in a manner to surround or sandwich the pixel electrode with a predetermined spacing; and a second common electrode provided on the second substrate, having substantially the same planar shape as the first common electrode, and formed such that at least a part of the second common electrode overlaps the first common electrode in planar projection.Type: ApplicationFiled: July 1, 2016Publication date: October 27, 2016Applicant: ORTUS TECHNOLOGY CO., LTD.Inventors: Norihiro ARAI, Kunpei KOBAYASHI, Ryota MIZUSAKO
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Publication number: 20160170263Abstract: A liquid crystal display device includes: a first substrate and a second substrate; a liquid crystal layer sandwiched between the first substrate and the second substrate, containing P-type liquid crystal molecules, and configured to be perpendicularly aligned when no electric field is applied; a pixel including a reflecting region and a transmitting region, cell gaps of the reflecting region and the transmitting region being the same; one pixel electrode formed into a line on the first electrode; a first common electrode provided on the first substrate to sandwich the pixel electrode; a second common electrode provided on the second substrate; and a reflecting film provided in the reflecting region to overlap a portion of the pixel electrode, and comprising a conductive material.Type: ApplicationFiled: February 25, 2016Publication date: June 16, 2016Applicant: ORTUS TECHNOLOGY CO., LTD.Inventors: Norihiro ARAI, Kunpei KOBAYASHI, Ryota MIZUSAKO
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Publication number: 20150185556Abstract: A liquid crystal display includes: first and second substrates; a liquid crystal layer sandwiched between the first and second substrates and comprising a polymer network liquid crystal (PNLC) or a polymer dispersed liquid crystal (PDLC); a common electrode provided on the first substrate; transistors provided on the second substrate for respective pixels; a reflective film provided on the transistors; a color filter provided on the reflective film; and pixel electrodes provided on the color filter and electrically connected to drain electrodes of the respective transistors.Type: ApplicationFiled: March 11, 2015Publication date: July 2, 2015Applicant: ORTUS TECHNOLOGY CO., LTD.Inventors: Norihiro ARAI, Kunpei KOBAYASHI, Ryota MIZUSAKO
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Patent number: 8842240Abstract: A liquid crystal display apparatus includes a first polarizing plate, a liquid crystal display cell, a second polarizing plate, a switching cell, a first reflective polarizing plate, and a surface light source, which are arranged in this order. The apparatus further includes a control driving unit to switch the switching cell between a first and second state. In the first state, plane of polarization of polarized light emitted by the surface light source and transmitted through the first reflective polarizing plate and the switching cell is coincident with a transmissive axis of the second polarizing plate. In the second state, a plane of polarization of the polarized light input to the liquid crystal display cell from the side of the first polarizing plate and transmitted through the second polarizing plate and the switching cell is coincident with a reflective axis of the first reflective polarizing plate.Type: GrantFiled: January 3, 2011Date of Patent: September 23, 2014Assignee: Casio Computer Co., Ltd.Inventors: Norihiro Arai, Toshiharu Nishino
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Patent number: 8493536Abstract: A liquid crystal display apparatus includes a liquid crystal layer sealed between a first substrate and a second substrate opposed to each other. Inner surfaces of the first and second substrates have been subjected to aligning treatment to splay-align liquid crystal molecules. The liquid crystal display further includes electrodes formed on the inner surfaces of the first and second substrates to generate an alignment transition electric field to cause the liquid crystal molecules to transit from splay alignment to bend alignment. The alignment transition electric field includes a vertical electric field in the thickness direction of the liquid crystal layer, and a horizontal electric field in a direction parallel to the inner surfaces of the first and second substrates to twist the liquid crystal molecules between the substrates.Type: GrantFiled: January 25, 2011Date of Patent: July 23, 2013Assignee: Casio Computer Co., Ltd.Inventors: Kunpei Kobayashi, Norihiro Arai
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Patent number: 8436972Abstract: A liquid crystal display device comprises a pair of substrates subjected to an aligning treatment in mutually parallel but opposite directions, a liquid crystal layer interposed between the pair of substrates, a first electrode bent into a “<” shape, and a second electrode formed via an insulating film with the first electrode. The first electrode comprises one linear section and another linear section that extend in directions that intersect the alignment treatment direction at different angles, a bent section that is provided at each end where the one linear section and the other linear section adjacent to each other and that extends in a direction that intersects the alignment treatment direction at an angle that is greater than each of the intersecting angles of the one linear section and the other linear section and the alignment treatment direction with respect to the alignment treatment directions.Type: GrantFiled: March 3, 2010Date of Patent: May 7, 2013Assignee: Casio Computer Co., Ltd.Inventors: Norihiro Arai, Kunpei Kobayashi, Toshiharu Nishino
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Patent number: 8289475Abstract: A liquid crystal display apparatus includes a liquid crystal display device, a surface light source to irradiate light toward the device, an optical film disposed between the device and source, and a diffusion member disposed between the film and device. The device includes a pair of substrates facing to each other through a space with electrodes formed on at least one of opposite surfaces, a liquid crystal layer sealed into the space between the substrates, and a pair of polarizing plates arranged sandwiching the substrates therebetween. The film is made of a transparent film-like member and has two mutually faced film surfaces, one of the surfaces is formed into a planar shape, the other surface is formed into a convexo-concave structure with elongate microprisms in parallel to each other, and the film is disposed between the device and source with the one surface directed toward the device.Type: GrantFiled: October 27, 2009Date of Patent: October 16, 2012Assignee: Casio Computer Co., LtdInventors: Norihiro Arai, Kunpei Kobayashi, Ryota Mizusako