Patents by Inventor Yohei Ishii
Yohei Ishii 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: 20160329770Abstract: An insulated wire in which at least one layer of an insulating material is coated around a conductor, wherein the insulated wire has a part in which relative permittivity is different in a length direction or a circumferential direction in an identical coating layer and a method of producing the same, and a rotating electrical machine and a method of producing the same.Type: ApplicationFiled: July 21, 2016Publication date: November 10, 2016Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Yohei ISHII, Tsuneo AOI
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Publication number: 20160216336Abstract: Charge state estimation device includes: current/voltage acquiring unit for acquiring a charge/discharge current value and inter-terminal voltage value of secondary battery; combined current calculating unit for calculating a combined current value from the charge/discharge current value acquired at a time t; estimation time setting unit for setting, as an estimation time for charge state estimation, the time at which the combined current value exists within a predetermined threshold range; internal resistance estimating unit for estimating the internal resistance value of secondary battery on the basis of the inter-terminal voltage values and charge/discharge current values of secondary battery at the estimation time T and at sampling time before the estimation time; and charge state estimating unit for estimating the open circuit voltage value and charge state value of the secondary battery on the basis of the inter-terminal voltage value of secondary battery at the estimation time and the internal resistanType: ApplicationFiled: January 31, 2014Publication date: July 28, 2016Inventor: YOHEI ISHII
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Publication number: 20160200313Abstract: Charging/discharging control system for an electricity storage device includes motor/generator, electricity storage device, AC/DC conversion unit for performing AC/DC conversion processing between the AC power of motor/generator and the DC power of electricity storage device, and control device for controlling the charge and discharge of electricity storage device via AC/DC conversion unit. During charge control, in accordance with the charge state of electricity storage device, control device restricts the magnitude of the DC power that is obtained by converting the generation power generated by the regenerative braking of motor/generator at the deceleration and is supplied to electricity storage device.Type: ApplicationFiled: September 4, 2014Publication date: July 14, 2016Inventor: YOHEI ISHII
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Patent number: 9308862Abstract: A drive assistance device has an imaging device (1) mounted on a vehicle body and imaging a region surrounding the vehicle body, lens distortion correction means (2) for performing lens distortion correction for an inputted image taken by the imaging device (1), and a display (3) for displaying the image obtained by the lens distortion correcting means (2). The lens distortion correction means (2) divides the inputted image into multiple regions and performs lens distortion correction for each of the regions with different distortion correction level.Type: GrantFiled: March 23, 2007Date of Patent: April 12, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hideto Fujita, Yohei Ishii, Hitoshi Hongo
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Publication number: 20150369875Abstract: Battery state estimating device includes: measured value acquiring unit for acquiring a measured value in a predetermined measurement period of the time-varying battery state of battery after charge or discharge; model function determining unit for determining, based on the measured value, the function forms of a plurality of model functions for modelling the battery state; multiple prediction unit for predicting the variation of the battery state using each of the plurality of model functions whose function forms are determined; and estimating unit for calculating an estimated stable value of the battery state on the basis of the result by multiple prediction unit.Type: ApplicationFiled: January 31, 2014Publication date: December 24, 2015Inventor: YOHEI ISHII
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Publication number: 20150276804Abstract: There is provided a detection device including: a detection electrode that is arranged at a position on an arrangement plane near a tubular body a drive electrode that is arranged on the arrangement plane; and a controller configured to generate lines of electric force between the detection electrode and the drive electrode and to detect a state of the tubular body by detecting lines of electric force entering the detection electrode.Type: ApplicationFiled: March 27, 2015Publication date: October 1, 2015Inventors: Akira MUTO, Yasutoshi OBATA, Hiroyuki OHMAE, Kiyoshi OMORI, Yohei ISHII
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Publication number: 20150234013Abstract: After charging or discharging is stopped, a reference timing (t0) is set, and a first timing (t1) at which battery voltage (V) changes by a unit amount (N) with respect to the reference timing (t0), and a second timing (t2) at which the battery voltage changes by twice more than the unit amount with respect to the reference timing (t0) are select and set. The ratio of the time difference (t2?t1) between the first and the second timing to the time difference (t1?t0) between the reference and the first timing is found as a voltage change parameter (R) corresponding to the rate of change of the change speed of the voltage battery. An estimation device considers the change rate determined by the parameter is considered to be unchanged during an electrical current non-passage, and estimates a stable open circuit voltage at an object timing in future after the second timing.Type: ApplicationFiled: September 24, 2013Publication date: August 20, 2015Inventors: Naoto Migita, Yohei Ishii, Akihiko Yamada
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Patent number: 8946557Abstract: A multilayer insulated electric wire having: a conductor; at least three extruded insulating layers covering the conductor; wherein an outermost layer (A) of the insulating layers is composed of an extruded coating layer containing a polyamide resin and the film thickness is 25 ?m or less, wherein an inner layer (B) of the extruded insulating layers is composed of an extruded coating layer containing a crystalline resin having a melting point of 225° C. or more or an amorphous resin having a glass transition temperature of 200° C. or more.Type: GrantFiled: March 1, 2012Date of Patent: February 3, 2015Assignee: Furukawa Electric Co., Ltd.Inventors: Hideo Fukuda, Yohei Ishii, Daisuke Muto, Hiroyuki Egawa
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Publication number: 20140009117Abstract: An electrical storage system includes: a plurality of electrical storage portions that are connected parallel to each other; a measurement portion that measures the full charge capacity of each of the electrical storage portions while switching an electrical storage portion that is a measurement target among the electrical storage portions; and a charge and discharge control portion that performs charge and discharge control on the electrical storage portions. The charge and discharge control portion makes other electrical storage portion other than the measurement target perform charge or discharge in a period of time during which the measurement portion measures the full charge capacity of the electrical storage portion that is the measurement target.Type: ApplicationFiled: March 26, 2012Publication date: January 9, 2014Applicant: SANYO ELECTRIC CO., LTD.Inventors: Yohei Ishii, Ryuichiro Tominaga
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Patent number: 8491209Abstract: A keyboard apparatus includes: a plurality of keys; a switching section that detects depression of each of the keys; a top cover that is integrally formed with a partitioning portion separating adjacent keys from each other; a frame member that includes a plurality of key receiving portions which, in a case where the frame member is attached to the top cover, support the keys in a manner that the keys are placed in spaces surrounded by the partitioning portion; a first coupling section that couples the top cover with the frame member; and a second coupling section that couples a first surface portion of the keyboard apparatus including the switching section, with a second surface portion of the keyboard apparatus including the top cover and the frame member with which the top cover is coupled by the first coupling section.Type: GrantFiled: September 19, 2008Date of Patent: July 23, 2013Assignee: Sony CorporationInventors: Hisao Yamakawa, Yohei Ishii, Masayoshi Koganei, Akihito Shinohara, Yutaka Ogasawara
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Patent number: 8411999Abstract: A calibrating apparatus includes a first reproducer which reproduces a reference image representing a state in which a plane is overlooked, along an X axis and a Y axis orthogonal to each other. A second reproducer reproduces a scene image outputted from a camera that captures the plane, along a U axis and a V axis orthogonal to each other. An acceptor accepts a designating manipulation of designating a first area of an X-Y coordinate system, in association with a reproducing process of the first reproducer. A first calculator calculates a second area of a U-V coordinate system corresponding to the first area designated by the designating manipulation, by referring to a calibration parameter indicating a corresponding relationship between the X-Y coordinate system and the U-V coordinate system. A definer defines the second area calculated by the first calculator, in association with a reproducing process of the second reproducer.Type: GrantFiled: January 25, 2011Date of Patent: April 2, 2013Assignee: SANYO Electric Co., Ltd.Inventors: Yohei Ishii, Keisuke Asari
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Publication number: 20120154099Abstract: A multilayer insulated electric wire comprising: a conductor; at least three extruded insulating layers covering the conductor; wherein an outermost layer (A) of the insulating layers is composed of an extruded coating layer containing a polyamide resin and the film thickness is 25 ?m or less, wherein an inner layer (B) of the extruded insulating layers is composed of an extruded coating layer containing a crystalline resin having a melting point of 225° C. or more or an amorphous resin having a glass transition temperature of 200° C. or more.Type: ApplicationFiled: March 1, 2012Publication date: June 21, 2012Inventors: Hideo FUKUDA, Yohei Ishii, Daisuke Muto, Hiroyuki Egawa
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Patent number: 8188370Abstract: A multilayer insulated electric wire, containing: a conductor; and extruded insulation layers; wherein an outermost layer (A) is composed of an extruded layer containing a thermoplastic polyester-series resin composition which contains 75 to 95 mass parts of a polyester resin other than a liquid crystal polyester, and 5 to 25 mass parts of a liquid crystal polyester, wherein an innermost layer (B) and at least one insulating layer (C) between the outermost and innermost layers each are composed of an extruded layer containing a thermoplastic polyester resin, in which an entirety or a part of the thermoplastic polyester resin is formed by allowing an aliphatic alcohol component and an acid component to cause polycondensation, and in which the number of carbon atoms of the aliphatic alcohol component is 2 to 5.Type: GrantFiled: April 19, 2011Date of Patent: May 29, 2012Assignee: Furukawa Electric Co., Ltd.Inventors: Hideo Fukuda, Yohei Ishii, Hiroyuki Egawa
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Patent number: 8090148Abstract: An image processor includes an acquisition unit configured to acquire a camera image captured by a camera provided on a vehicle, a first image converter configured to project the camera image onto a flat surface to convert the camera image into a flat surface projection image, and a second image converter configured to project the camera image onto a curved surface to convert the camera image into a curved surface projection image. The first image converter converts a first image region having a predetermined width within the camera image into the flat surface projection image, and the second image converter converts a second image region outside the first image region in a width direction, within the camera image, into the curved surface projection image.Type: GrantFiled: January 23, 2008Date of Patent: January 3, 2012Assignee: Sanyo Electric Co., Ltd.Inventors: Keisuke Asari, Yohei Ishii
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Publication number: 20110227691Abstract: A multilayer insulated electric wire, containing: a conductor; and extruded insulation layers; wherein an outermost layer (A) is composed of an extruded layer containing a thermoplastic polyester-series resin composition which contains 75 to 95 mass parts of a polyester resin other than a liquid crystal polyester, and 5 to 25 mass parts of a liquid crystal polyester, wherein an innermost layer (B) and at least one insulating layer (C) between the outermost and innermost layers each are composed of an extruded layer containing a thermoplastic polyester resin, in which an entirety or a part of the thermoplastic polyester resin is formed by allowing an aliphatic alcohol component and an acid component to cause polycondensation, and in which the number of carbon atoms of the aliphatic alcohol component is 2 to 5.Type: ApplicationFiled: April 19, 2011Publication date: September 22, 2011Inventors: Hideo Fukuda, Yohei Ishii, Hiroyuki Egawa
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Publication number: 20110181733Abstract: A calibrating apparatus includes a first reproducer which reproduces a reference image representing a state in which a plane is overlooked, along an X axis and a Y axis orthogonal to each other. A second reproducer reproduces a scene image outputted from a camera that captures the plane, along a U axis and a V axis orthogonal to each other. An acceptor accepts a designating manipulation of designating a first area of an X-Y coordinate system, in association with a reproducing process of the first reproducer. A first calculator calculates a second area of a U-V coordinate system corresponding to the first area designated by the designating manipulation, by referring to a calibration parameter indicating a corresponding relationship between the X-Y coordinate system and the U-V coordinate system. A definer defines the second area calculated by the first calculator, in association with a reproducing process of the second reproducer.Type: ApplicationFiled: January 25, 2011Publication date: July 28, 2011Applicant: SANYO ELECTRIC CO., LTD.Inventors: Yohei ISHII, Keisuke ASARI
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Publication number: 20110181734Abstract: A calibration parameter creating apparatus includes a first reproducer. A first reproducer reproduces a reference image representing a state in which a plane is overlooked, along an X axis and a Y axis orthogonal to each other. A first acceptor accepts a first designating manipulation designating a plurality of X-Y coordinates on the reference image reproduced by the first reproducer. A determiner determines whether or not a designated manner by the first designating manipulation matches an error condition, based on the plurality of X-Y coordinates designated by the first designating manipulation. A first generator generates a notification when a determined result of the determiner is positive. A calculator calculates a calibration parameter indicating a corresponding relationship between an X-Y coordinate system and a U-V coordinate system based on the X-Y coordinates designated by the first designating manipulation, when the determined result of the determiner is negative.Type: ApplicationFiled: January 25, 2011Publication date: July 28, 2011Applicant: SANYO ELECTRIC CO., LTD.Inventors: Keisuke ASARI, Yohei ISHII
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Publication number: 20110181714Abstract: A congestion degree measuring apparatus includes a reproducer. A reproducer reproduces a reference image representing a state in which a plane is overlooked. A taker repeatedly takes a scene image outputted from a camera having an imaging surface that captures the plane. An allocator allocates one or at least two second areas respectively corresponding to one or at least two first areas designated on the reference image reproduced by the reproducer to the scene image taken by the taker. A measurer executes a process of measuring a congestion degree of one or at least two dynamic objects existing on the plane at each second area allocated by the allocator, based on the scene image taken by the taker.Type: ApplicationFiled: January 25, 2011Publication date: July 28, 2011Applicant: SANYO ELECTRIC CO., LTD.Inventors: Hitoshi Hongo, Yohei Ishii, Keisuke Asari
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Patent number: 7974441Abstract: An object detection apparatus for detecting a specific object in an input image includes a specific object detection module for performing a specific object detecting process of setting the input image or a reduced image of the input image as a target image, and of determining whether or not the specific object exists in a determination region while scanning the determination region in an edge feature image of the target image. The specific object detection module includes a determination module for determining whether the specific object exists in the determination region, based on an edge feature amount of the edge feature image corresponding to the determination region, and a previously determined relationship between an edge feature amount and a weight indicating object likelihood for each predetermined feature pixel in an image having the same size as the determination region.Type: GrantFiled: February 26, 2007Date of Patent: July 5, 2011Assignee: SANYO Electric Co., Ltd.Inventors: Akihiko Yamada, Hitoshi Hongo, Yohei Ishii
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Patent number: 7891829Abstract: A keyboard apparatus. The apparatus has a housing including a plurality of key pads, including at least twenty six key pads spatially disposed within the housing. Each of the key pads is depressible upon touch by a user. An optically transparent circuit board is coupled to a backside of each of the key pads. The apparatus has a light guide characterized by a planar optically transparent material having a surface region, a width, a length, and a backside region, and a thickness provided between the surface region and the backside region. The apparatus has a plurality of patterns disposed on the surface region and optically coupled respectively to each of the twenty six key members. In a specific embodiment, the apparatus has a light emitting diode provided within a center region of the surface region to emit electromagnetic radiation.Type: GrantFiled: April 18, 2008Date of Patent: February 22, 2011Assignee: Minebea Co., Ltd.Inventors: Toshisada Takeda, Satoshi Kawashima, Junji Yuasa, Yohei Ishii