Patents by Inventor Takashi Igarashi
Takashi Igarashi 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: 11954241Abstract: A position of a user is recognized. A display unit (102) displays a content-display-frame (112). A determination unit (103) determines whether the position of the user is within a predetermined range from a wall surface (12) or not. The display control unit (104) configured to display a content-display-frame on a floor surface (11) when the position of the user is farther than the predetermined range from the wall surface, and configured to display an operation input area (113) that receives an operation input from the user on the wall surface while displaying a content-display-frame to span from the floor surface to the wall surface when the position of the user is within the predetermined range from the wall surface.Type: GrantFiled: January 6, 2020Date of Patent: April 9, 2024Assignee: SHIMIZU CORPORATIONInventors: Takashi Matsumoto, Yuya Igarashi, Motoaki Yamazaki, Michihito Shiraishi
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Patent number: 11952286Abstract: Provided are: an Mn ferrite powder characterized by including a plurality of ferrite particles, having a volume-average particle diameter of 1-10 ?m, and having a 2.106 ?m volume-based cumulative distribution (sieved) of 0.1-50.0 vol %; and a resin composition characterized by including said powder and a resin material.Type: GrantFiled: February 6, 2019Date of Patent: April 9, 2024Assignee: POWDERTECH CO., LTD.Inventors: Koji Aga, Takashi Kojima, Kazutaka Ishii, Tetsuya Igarashi, Sho Kuwahara
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Patent number: 11932770Abstract: A method for producing a resin sintered body 1 by applying an ink 3 to thermoplastic resin powder 2 and sintering the powder, the method including the step of immersing an intermediate resin sintered body 1m, which has an unevenly colored region on the surface thereof and the whole of which has been already sintered, in a surface treatment liquid containing sulfuric acid and chromic anhydride, in which the concentration of chromic anhydride is 300 g/L or more, for 5 minutes or longer. When producing a resin sintered body by sintering thermoplastic resin powder, the surface of the resin sintered body can be evenly and sufficiently colored to an extent required without an unevenly colored region on the surface thereof, and also the surface of the resin sintered body can have a good appearance and smoothness.Type: GrantFiled: March 14, 2022Date of Patent: March 19, 2024Assignees: SANKEI GIKEN KOGYO CO., LTD., HONDA MOTOR CO., LTD., SOLIZE CORPORATIONInventors: Daisuke Sato, Kazuo Igarashi, Hiroyuki Ikeno, Satoru Nishimoto, Takashi Inomata, Ryota Masuda, Kohei Mutai
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Patent number: 11917485Abstract: A queue management device includes: a queue detection unit that, on the basis of a detection result of forming elements at a site subject to queue management, detects the state of the queue; a guidance position determination unit that, on the basis of the state of the queue detected by the queue detection unit, determines a guidance position where a guidance should be displayed; and a guidance display control unit that controls a display device such that the guidance is displayed at the guidance position determined by the guidance position determination unit.Type: GrantFiled: August 5, 2019Date of Patent: February 27, 2024Assignee: Shimizu CorporationInventors: Yuya Igarashi, Takashi Matsumoto, Motoaki Yamazaki, Michihito Shiraishi
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Publication number: 20230092796Abstract: Provided is a work machine maintenance management system capable of predicting replacement timing of a component of a work machine early. The work machine maintenance management system of this disclosure includes a maintenance management DB server 110 that accumulates maintenance management information of a plurality of work machines and a maintenance management control device 120 that predicts replacement timing of each component of each of the work machines based on the maintenance management information. The maintenance management information includes an actual durable period from start of use to replacement each component of each work machine. The maintenance management control device 120 includes a replacement-factor determining section 121, a service life model creator 122, a failure model creator 123, and a replacement time predictor 126.Type: ApplicationFiled: October 13, 2021Publication date: March 23, 2023Inventors: Takashi IGARASHI, Yasuhiko ABE, Yukihito SUZUKI
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Patent number: 10355580Abstract: A DC-DC converter includes a protection function for handling a reverse connection state, and a protection function for handling a predetermined abnormality other than a reverse connection state, while reducing conduction loss. The DC-DC converter includes a first protection circuit unit, and a switching element on a first conductive path of a high-voltage side switches to an OFF state upon a predetermined abnormal state being detected to prevent a current from flowing into a voltage conversion unit. Furthermore, a reverse connection protection circuit unit and a switching element, on a third conductive path between the voltage conversion unit and a reference conductive path, is configured to switch to an off state if at least a low-voltage side power supply unit is in a reverse connection state, preventing a current from the reference conductive path. Thus, a current is prevented from flowing toward a power supply that is improperly connected.Type: GrantFiled: August 29, 2016Date of Patent: July 16, 2019Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Takashi Igarashi, Byeongsu Jeong, Kazuki Masuda, Seiji Takahashi, Takanori Itou
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Patent number: 10344455Abstract: Operating information (a pilot pressure, a pump pressure, a hydraulic oil temperature, an engine rotational speed, an hour meter and the like) of a hydraulic excavator and use environment information (operator information) of the hydraulic excavator are transmitted to a center server together with body information (for example, a model, a type, a type number, an identification number and the like) from the hydraulic excavator. For example, when a hydraulic hose as a replaceable component of the hydraulic excavator is replaced, the replaceable component information (a replaceable component name and a replacement date) is transmitted to the center server from a computer for maintenance. The center server predicts a replacement time of the replaceable component (hydraulic hose) using the use environment information of the hydraulic excavator in addition to the operating information and the replaceable component information of the hydraulic excavator.Type: GrantFiled: March 8, 2016Date of Patent: July 9, 2019Assignee: Hitachi Construction Machinery Co., Ltd.Inventors: Takashi Igarashi, Tetsuyoshi Tominaga, Hitoshi Takahashi, Takami Kusaki
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Patent number: 10348187Abstract: The present invention realizes a DC-DC converter that is provided with a reverse flow protection function, while reducing conduction loss. A DC-DC converter includes: a voltage conversion unit that steps down a voltage applied to a first conductive path and output the resulting voltage to a second conductive path; a reverse flow state detection unit that detects a reverse flow state of a current flowing through the second conductive path; and a reverse protection control unit that performs a protecting operation when a current flows in a reverse direction. A switching element is provided on a third conductive path that is located between a voltage conversion unit and a reference conductive path, and the reverse protection control unit operates to switch the switching element to an OFF state upon a reverse flow state being detected.Type: GrantFiled: December 8, 2016Date of Patent: July 9, 2019Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Takashi Igarashi, Byeongsu Jeong, Kazuki Masuda, Takanori Itou, Seiji Takahashi
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Publication number: 20180351448Abstract: The present invention realizes a DC-DC converter that is provided with a reverse flow protection function, while reducing conduction loss. A DC-DC converter includes: a voltage conversion unit that steps down a voltage applied to a first conductive path and output the resulting voltage to a second conductive path; a reverse flow state detection unit that detects a reverse flow state of a current flowing through the second conductive path; and a reverse protection control unit that performs a protecting operation when a current flows in a reverse direction. A switching element is provided on a third conductive path that is located between a voltage conversion unit and a reference conductive path, and the reverse protection control unit operates to switch the switching element to an OFF state upon a reverse flow state being detected.Type: ApplicationFiled: December 8, 2016Publication date: December 6, 2018Inventors: Takashi Igarashi, Byeongsu Jeong, Kazuki Masuda, Takanori Itou, Seiji Takahashi
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Publication number: 20180254695Abstract: A DC-DC converter includes a protection function for handling a reverse connection state, and a protection function for handling a predetermined abnormality other than a reverse connection state, while reducing conduction loss. The DC-DC converter includes a first protection circuit unit, and a switching element on a first conductive path of a high-voltage side switches to an OFF state upon a predetermined abnormal state being detected to prevent a current from flowing into a voltage conversion unit. Furthermore, a reverse connection protection circuit unit and a switching element, on a third conductive path between the voltage conversion unit and a reference conductive path, is configured to switch to an off state if at least a low-voltage side power supply unit is in a reverse connection state, preventing a current from the reference conductive path. Thus, a current is prevented from flowing toward a power supply that is improperly connected.Type: ApplicationFiled: August 29, 2016Publication date: September 6, 2018Inventors: Takashi Igarashi, Byeongsu Jeong, Kazuki Masuda, Seiji Takahashi, Takanori Itou
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Publication number: 20180051442Abstract: Operating information (a pilot pressure, a pump pressure, a hydraulic oil temperature, an engine rotational speed, an hour meter and the like) of a hydraulic excavator and use environment information (operator information) of the hydraulic excavator are transmitted to a center server together with body information (for example, a model, a type, a type number, an identification number and the like) from the hydraulic excavator. For example, when a hydraulic hose as a replaceable component of the hydraulic excavator is replaced, the replaceable component information (a replaceable component name and a replacement date) is transmitted to the center server from a computer for maintenance. The center server predicts a replacement time of the replaceable component (hydraulic hose) using the use environment information of the hydraulic excavator in addition to the operating information and the replaceable component information of the hydraulic excavator.Type: ApplicationFiled: March 8, 2016Publication date: February 22, 2018Inventors: Takashi IGARASHI, Tetsuyoshi TOMINAGA, Hitoshi TAKAHASHI, Takami KUSAKI
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Patent number: 9661765Abstract: The invention provides an electronic control device having a high-grade heat sink that: does not require tight control at the time of manufacturing; does not restrict the range of electronic components that can be used; is structurally simple; can be produced at a higher production rate; and is cost-effective. In this device, when a circuit board 14 having an electronic component 13 thereon is placed in a non-metal (resin) housing having: a housing base 11 integrally comprising via a partition wall 11a a connector inserting section 18 used for electrical connection with an external mating connector (not illustrated); and a housing cover 12 attached to the housing base 11, part of the board 14 is inserted into an insertion hole provided in the partition wall 11a so that it is exposed inside the connector inserting section 16.Type: GrantFiled: October 25, 2013Date of Patent: May 23, 2017Assignee: Hitachi Automotive Systems, Ltd.Inventors: Yoshinori Wakana, Masaru Kamoshida, Yasuro Kameshiro, Takashi Hattori, Takashi Igarashi
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Publication number: 20170040968Abstract: Provided is a communication apparatus according to which the degree of balance between two electric wires on which a signal is sent can be increased. A communication apparatus transmits and receives a superposed signal via a control line and a ground line. In the communication apparatus, a common-mode noise filter removes common-mode noise from the superposed signal. A LPF extracts the charge control signal from the superposed signal from which the common-mode noise is removed, and outputs the extracted charge control signal to a charge control apparatus. The BPF extracts a communication signal from the superposed signal from which the common-mode noise is removed, and outputs the extracted communication signal to a communication unit via a protective circuit and a conversion circuit.Type: ApplicationFiled: March 27, 2015Publication date: February 9, 2017Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Takashi IGARASHI, Kazuhiko NII, Takeshi HAGIHARA
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Publication number: 20160005819Abstract: Contact resistance between a SiC substrate and an electrode is decreased. When a silicide layer is analyzed by Auger Electron Spectroscopy (AES) sputter in a direction from a titanium layer side to a SiC substrate side, sputtering time corresponding to a depth profile of the silicide layer is defined as ts. In this case, a depth profile of the silicide layer from the titanium layer side in a range of sputtering time from 0.4ts to ts contains a region where titanium atoms determined by the AES sputter accounts for 5 at % or more of all atoms determined by the AES sputter.Type: ApplicationFiled: June 13, 2015Publication date: January 7, 2016Inventors: Takahiro Kainuma, Takashi Igarashi, Hiroshi Inagawa, Takeshi Arai, Yuji Fujii, Takahiro Okamura, Hisashi Toyoda
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Publication number: 20150305169Abstract: The invention provides an electronic control device having a high-grade heat sink that: does not require tight control at the time of manufacturing; does not restrict the range of electronic components that can be used; is structurally simple; can be produced at a higher production rate; and is cost-effective. In this device, when a circuit board 14 having an electronic component 13 thereon is placed in a non-metal (resin) housing having: a housing base 11 integrally comprising via a partition wall 11a a connector inserting section 18 used for electrical connection with an external mating connector (not illustrated); and a housing cover 12 attached to the housing base 11, part of the board 14 is inserted into an insertion hole provided in the partition wall 11a so that it is exposed inside the connector inserting section 16.Type: ApplicationFiled: October 25, 2013Publication date: October 22, 2015Applicant: Hitachi Automotive Systems, Ltd.Inventors: Yoshinori WAKANA, Masaru KAMOSHIDA, Yasuro KAMESHIRO, Takashi HATTORI, Takashi IGARASHI
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Patent number: 8480455Abstract: A lens machining apparatus is provided that can execute everything required in machining eyeglass lenses, from measurement to various kinds of machining, and still ensures high-precision machining. The apparatus includes a lens holding unit 12 which holds a lens 1 and causes the same to turn, a cutter 131 which cuts (edges) the circumferential surface of the lens in a prescribed cross-sectional shape, an end mill 141 which machines a groove in the circumferential surface of the lens whose circumferential surface has been cut (edged) and chamfers edges at the lens circumferential surface, and a lens measurement unit 15 which measures the shape and the position of the lens held by the lens holding unit.Type: GrantFiled: July 3, 2003Date of Patent: July 9, 2013Assignee: Hoya CorporationInventors: Takashi Igarashi, Shuichi Sato, Yoshihiro Kikuchi, Michio Arai, Satoshi Annaka
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Patent number: 8380456Abstract: To provide a calibration jig which can perform three-dimensional calibration of measurement errors in a spectacle frame shape measuring apparatus. The calibration jig is used for calibrating measurement errors of the spectacle frame shape measuring apparatus for measuring a shape of a spectacle frame, etc. A trace groove traced by a measuring probe of the spectacle frame shape measuring apparatus is a frame groove formed in an inner circumference of rims of the spectacle frame and provided for engaging with the bevel of a spectacle lens. The rims are secured to a frame body having rigidity higher than that of the rim. The frame groove has a displacement r in the radial direction, a displacement ? in the rotational direction, and a displacement z in the height direction.Type: GrantFiled: February 28, 2007Date of Patent: February 19, 2013Assignee: Hoya CorporationInventors: Takashi Igarashi, Masahiro Jinbo, Ryousuke Satoh
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Publication number: 20120186522Abstract: A vapor deposition apparatus for an optical lens includes a lens holding body including a plurality of lens holes formed to be slightly larger than the optical lens. This apparatus also includes a holding means for pressing the outer peripheral surface of the optical lens in each lens hole of the lens holding body. This apparatus moreover includes lens receptacles which are provided in portions opposed to the holding means on the inner peripheral surface defining each lens hole, and receive the outer peripheral surface of the optical lens. A film can be formed on the entire optical surface of the optical lens with little possibility that this optical surface will be scratched.Type: ApplicationFiled: July 27, 2010Publication date: July 26, 2012Applicant: HOYA CORPORATIONInventors: Makoto Adachi, Kazuo Kawamata, Takashi Igarashi
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Patent number: 8203733Abstract: An image processing apparatus according to an aspect of the invention includes a first storage unit, a second storage unit, a control unit, and a construction unit. A program of at least one module including a buffer module among modules of an image processing unit is stored in the first storage unit. An image processing program and a shared library can be additionally stored in the second storage unit. The image processing program is used to perform image processing and a program of a module generation unit is registered in the shared library. The control unit instructs at least one module in the image processing unit to perform image processing during construction of the image processing unit. The construction unit constructs the image processing unit.Type: GrantFiled: May 3, 2007Date of Patent: June 19, 2012Assignees: Fuji Xerox Co., Ltd., Fujifilm CorporationInventors: Youichi Isaka, Yukio Kumazawa, Takashi Nagao, Takashi Igarashi, Yusuke Sugimoto, Kazuyuki Itagaki, Junichi Kaneko
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Patent number: 8004304Abstract: A life prediction wire 14 is connected to an emitter-wire bonding pad 2 of a semiconductor device 1. Wire deterioration is detected by checking whether or not an electric current flows from the life prediction wire 14 to the emitter-wire bonding pad 2. Thus, by directly checking a deterioration state of the semiconductor device, the life of the semiconductor device is predicted.Type: GrantFiled: October 6, 2006Date of Patent: August 23, 2011Assignee: Mitsubishi Electric CorporationInventors: Fumitaka Tametani, Takashi Igarashi