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Kamiguchi, JP

Hiroki Kamiguchi, Osaka JP

Patent application numberDescriptionPublished
20100060101ELASTIC WAVE ELEMENT - An elastic wave element includes a piezoelectric substrate, an interdigital electrode provided on the piezoelectric substrate, a silicon oxide film covering the interdigital electrode, and a silicon nitride oxide film provided on the silicon oxide film. A film thickness H of the silicon oxide film and a wave length λ of an elastic wave propagating through the piezoelectric substrate satisfies a relation of H/λ≧0.15. The elastic wave element reduces fluctuation of propagation characteristics of elastic waves, and has high reliability.03-11-2010
20100127597ACOUSTIC BOUNDARY WAVE DEVICE AND ELECTRONIC APPARATUS USING THE SAME - An acoustic boundary wave device includes a piezoelectric body, an IDT layer formed on the piezoelectric body, a pad electrode layer formed on the piezoelectric body and connected to the IDT layer, a first dielectric layer formed on the piezoelectric body and covering at least a part of the IDT electrode layer, and a second dielectric layer formed on the piezoelectric body, covering the first dielectric layer, and having an opening through which at least a part of a top face of the pad electrode layer is exposed. The metal forming lateral faces of the pad electrode layer diffuses more readily into the first dielectric layer than into the second dielectric layer. The second dielectric layer covers the lateral faces of the pad electrode layer and prevents the first dielectric layer from touching the lateral faces of the pad electrode layer.05-27-2010
20110193655ACOUSTIC WAVE DEVICE AND ACOUSTIC WAVE FILTER - An acoustic wave device includes an interdigital transducer (IDT) electrode and a separate electrode facing the IDT electrode. The IDT electrode includes first and second comb-shaped electrode facing each other. The first comb-shaped electrode includes a first bus bar, first interdigitated electrode fingers, and first dummy electrode fingers. The second comb-shaped electrode includes a second bus bar second interdigitated electrode fingers interdigitated with the first interdigitated electrode fingers, second dummy electrode fingers facing the first interdigitated electrode fingers, weighted parts, and a non-weighted part. The weighted parts have electrodes at spaces between the second interdigitated electrode fingers and the second dummy electrode fingers. In the non-weighted part, there is no electrode at a space out of the spaces which is closest to the separate electrode in the non-interdigitated region. This acoustic wave device prevents short circuits between the IDT electrode and the separate electrode, and provides excellent characteristics of suppressing unwanted waves.08-11-2011
20110216470ELECTRODE FOIL AND CAPACITOR USING THE SAME - An electrode foil includes a substrate made of metal and a rough layer disposed on a surface of the substrate and including plural fine metallic particles. The rough layer includes a lower layer, an intermediate layer which is disposed on the lower layer and is more distanced from the substrate than the lower layer is, and an upper layer which is disposed on the intermediate layer and is more distanced from the substrate than the intermediate layer is. The mode of diameters of fine particles in the intermediate layer is greater than the mode of diameters of the fine particles in the upper and lower layers. This electrode foil provides a capacitor having a small leakage current.09-08-2011

Kenjiro Kamiguchi, Hokkaido JP

Patent application numberDescriptionPublished
20110262358MOLECULAR MARKER FOR CANCER STEM CELL - A molecular marker for detecting a cancer stem cell in a cell mass which is a subject of interest, wherein the molecular marker can be detected in a cancer stem cell contained in the subject of interest but cannot be detected in a normal cell and a cancer cell that is different from a cancer stem cell; a method for determining the presence or absence of a cancer stem cell in a subject of interest by using the molecular marker as an measure; a kit for determining the presence or absence of a cancer stem cell, which comprises at least a reagent for detecting the molecular marker; a polypeptide encoded by the molecular marker; an antibody capable of recognizing an epitope of an expression product of a gene derived from the molecular marker; a nucleic acid capable of inhibiting the expression of the molecular marker; and a nucleic acid vaccine comprising a gene derived from the molecular marker.10-27-2011

Kinya Kamiguchi, Tokyo JP

Patent application numberDescriptionPublished
20080278058METHOD FOR MANUFACTURING AIRTIGHT CONTAINER, METHOD FOR MANUFACTURING IMAGE DISPLAY APPARATUS, AND AIRTIGHT CONTAINER AND IMAGE DISPLAY APPARATUS - There are disclosed methods for manufacturing an airtight container and an image display apparatus. Especially, as a constitution of supplying a potential to an electrode in the airtight container, the container is constituted which includes a structure having a concave portion opened at a through-hole of a substrate and closed at the bottom, and a shape is formed in which by applying a pressure difference between the inside and the outside of the container, the structure is deformed to enable supplying of a potential to the electrode.11-13-2008
20090154077IMAGE DISPLAY APPARATUS - An image display apparatus is provided to achieve both of position shift prevention between substrates and suppression of distortion generated in the substrates. An image display apparatus has an envelope including a first substrate provided with an image display unit, a second substrate placed in opposition to the first substrate, and a bonding member for hermetically seal bonding the first substrate to the second substrate so as to form a space between the first and second substrates. The image display apparatus further has a position fixing member which is bonded with both of the first and second substrates along one side of an outer periphery of the envelope, and suppresses a position shift between the first and second substrates.06-18-2009
20100007265ANODE CAP, AND VOLTAGE SUPPLY UNIT AND IMAGE DISPLAY APPARATUS UTILIZING THE SAME - An image display apparatus includes a display panel having an anode and an anode terminal, wherein the anode is disposed at an inside of the display panel, the anode terminal applies a voltage to the anode from an outside of the display panel and includes a portion disposed inside of the display panel and a portion disposed outside of the display panel, and an anode cap attached on an external surface of the display panel for holding an electroconductive wire applying a voltage to the anode terminal. In addition, a fixing member detachably fastens the anode cap, wherein the fixing member has a through hole in which the portion of the anode terminal disposed outside of the display panel is inserted, and the fixing member is fixed to an external surface of the display panel. The anode cap has inside thereof a fastening portion to be detachably fastened by the fixing member.01-14-2010

Patent applications by Kinya Kamiguchi, Tokyo JP

Yuuzo Kamiguchi, Kanagawa-Ken JP

Patent application numberDescriptionPublished
20100124160OPTICAL RECORDING SYSTEM TO RECORD INFORMATION WITH LIGHT - A multilayer optical recording system to record information with light includes a lens unit, a recording medium, and a microscopic drive unit. The lens unit includes a metamaterial lens or a plasmon lens. The metamaterial lens has a first dielectric member in which first microstructures are implanted in a substantially regular manner. The plasmon lens has an aperture. The aperture is a hole or a slit created in a metal film. The microscopic drive unit is configured to adjust a relative position between the lens unit and the recording medium. In addition, the principal plane is placed to be in contact with the lens unit or to have a gap between the principal plane and the lens unit. Furthermore, the second microstructures are arranged periodically in a direction substantially perpendicular to the principal plane of the recording medium.05-20-2010

Yuuzo Kamiguchi, Yokohama-Shi JP

Patent application numberDescriptionPublished
20090021869MAGNETORESISTANCE EFFECT ELEMENT, MAGNETIC HEAD AND MAGNETIC RECORDING AND/OR REPRODUCING SYSTEM - There is provided a practical magnetoresistance effect element which has an appropriate value of resistance, which can be sensitized and which has a small number of magnetic layers to be controlled, and a magnetic head and magnetic recording and/or reproducing system using the same. In a magnetoresistance effect element wherein a sense current is caused to flow in a direction perpendicular to the plane of the film, a resistance regulating layer is provided in at least one of a pinned layer, a free layer and an non-magnetic intermediate layer. The resistance regulating layer contains, as a principal component, an oxide, a nitride, a fluoride, a carbide or a boride. The resistance regulating layer may be a continuous film or may have pin holes. Thus, it is possible to provide a practical magnetoresistance effect element which has an appropriate value of resistance, which can be sensitized and which has a small number of magnetic layers, while effectively utilizing the scattering effect depending on spin.01-22-2009
20090269618MAGNETORESISTANCE EFFECT ELEMENT, MAGNETIC HEAD AND MAGNETIC RECORDING AND/OR REPRODUCING SYSTEM - There is provided a practical magnetoresistance effect element which has an appropriate value of resistance, which can be sensitized and which has a small number of magnetic layers to be controlled, and a magnetic head and magnetic recording and/or reproducing system using the same. In a magnetoresistance effect element wherein a sense current is caused to flow in a direction perpendicular to the plane of the film, a resistance regulating layer is provided in at least one of a pinned layer, a free layer and an non-magnetic intermediate layer. The resistance regulating layer contains, as a principal component, an oxide, a nitride, a fluoride, a carbide or a boride. The resistance regulating layer may be a continuous film or may have pin holes. Thus, it is possible to provide a practical magnetoresistance effect element which has an appropriate value of resistance, which can be sensitized and which has a small number of magnetic layers, while effectively utilizing the scattering effect depending on spin.10-29-2009

Patent applications by Yuuzo Kamiguchi, Yokohama-Shi JP

Yuzo Kamiguchi, Kanagawa-Ken JP

Patent application numberDescriptionPublished
20090034134MAGNETORESISTANCE EFFECT ELEMENT, MAGNETIC HEAD AND MAGNETIC REPRODUCING APPARATUS - A magnetoresistance effect element includes a magnetoresistance effect film including a magnetically pinned layer having a magnetic material film whose direction of magnetization is pinned substantially in one direction, a magnetically free layer having a magnetic material film whose direction of magnetization changes in response to an external magnetic field, and a nonmagnetic metal intermediate layer located between said pinned layer and said free layer. The element also includes a pair of electrodes electrically connected to the magnetoresistance effect film to supply a sense current perpendicularly to a film plane of the magnetoresistance effect film. At least one of the pinned layer and the free layer may include a thin-film insertion layer. The nonmagnetic metal intermediate layer includes a resistance adjusting layer including at least one of oxides, nitrides and fluorides, and the thin-film insertion layer includes at least one element selected from the group consisting of iron (Fe), cobalt (Co) and nickel (Ni).02-05-2009

Patent applications by Yuzo Kamiguchi, Kanagawa-Ken JP