Patents by Inventor Takashi Iwaki
Takashi Iwaki 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: 20240150874Abstract: This grain-oriented electrical steel sheet includes a base steel sheet, a glass coating formed on the base steel sheet, and a tension-applied insulation coating formed on the glass coating, in the base steel sheet, a plurality of linear strains that extend continuously or intermittently in a direction intersecting with a rolling direction are present, and intervals in the rolling direction of the plurality of linear strains adjacent to each other are 10 mm or less, in a region where the strains are present, a closure domain is present, a length d of the closure domain in a sheet thickness direction from a surface of the base steel sheet is 30 to 60 ?m, a length w in the rolling direction is 200 ?m or less, and a ratio mid of a depth m from the surface of the base steel sheet where a compressive strain in the rolling direction present in the closure domain exhibits a maximum value to the length d is in a range of more than 0.30 and less than 0.90.Type: ApplicationFiled: March 28, 2022Publication date: May 9, 2024Applicant: NIPPON STEEL CORPORATIONInventors: Tomohito TANAKA, Masataka IWAKI, Nobusato MORISHIGE, Takashi KATAOKA, Hideyuki HAMAMURA
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Patent number: 11956504Abstract: Provided is a content distribution server which is able to establish restrictions on the public disclosure of an object displayed in virtual space at the convenience of the distributor. The content distribution server comprises: a distribution unit that distributes live content for synthesizing video in virtual space using information from the distributor as virtual character information; and a first setting receiving unit that receives from the distributor terminal used by the distributor public disclosure restriction settings for establishing restrictions on objects present in virtual space displayed on the distributor terminal that can be viewed on a viewer terminal used by a viewer to view live content.Type: GrantFiled: July 8, 2022Date of Patent: April 9, 2024Assignee: DWANGO CO., LTD.Inventors: Nobuo Kawakami, Kentarou Matsui, Shinnosuke Iwaki, Takashi Kojima, Naoki Yamaguchi
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Publication number: 20240101137Abstract: An information notification system notifies a user of a vehicle of information. A first condition is that one or more time-designated speed limit signs recognized by a camera mounted on the vehicle designate all times of day as a whole. The information notification system determines whether or not the first condition is satisfied. When the first condition is not satisfied, the information notification system notifies the user of at least a legal speed limit on a road on which the one or more time-designated speed limit signs are installed, based on reference information on the legal speed limit in a region in which the vehicle is used.Type: ApplicationFiled: September 22, 2023Publication date: March 28, 2024Inventors: Yoshiki TATEBE, Yoshiya Iwaki, Takashi Yamaguchi
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Patent number: 10359669Abstract: A display apparatus according to one embodiment of the present disclosure comprises a display panel, a light guiding plate that emits light, the light being derived from a light source, through a front surface of the light guiding plate toward a rear surface of the display panel, a spacer that forms a void between the display panel and the light guiding plate, and an optical sheet disposed at the void, the optical sheet having a surface to face the rear surface of the display panel and a surface to face the front surface of the light guiding plate. In the display apparatus, the spacer is formed using a shape memory alloy.Type: GrantFiled: September 26, 2014Date of Patent: July 23, 2019Assignee: Sakai Display Products CorporationInventors: Takashi Iwaki, Nobuhiro Yonezawa, Daishi Ishikawa
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Patent number: 10191211Abstract: A display apparatus comprises: a display panel which displays an image on one surface thereof, a light guide plate disposed to face the other surface of the display panel; a plurality of optical sheets interposed between the display panel and the light guide plate; and a spacer which is sandwiched between the display panel and the light guide plate to secure a space for interposing the optical sheets therebetween, wherein the spacer has a space holding layer fixed to the light guide plate and securing the space, and a fixed layer sandwiched between the display panel and the space holding layer and fixed to the display panel, wherein the thickness of the space holding layer is thicker than a total of the thicknesses of the plurality of optical sheets except for an optical sheet nearest to the display panel.Type: GrantFiled: March 2, 2015Date of Patent: January 29, 2019Assignee: Sakai Display Products CorporationInventors: Nobuhiro Yonezawa, Takashi Iwaki
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Publication number: 20180039015Abstract: A display apparatus comprises: a display panel which displays an image on one surface thereof, a light guide plate disposed to face the other surface of the display panel; a plurality of optical sheets interposed between the display panel and the light guide plate; and a spacer which is sandwiched between the display panel and the light guide plate to secure a space for interposing the optical sheets therebetween, wherein the spacer has a space holding layer fixed to the light guide plate and securing the space, and a fixed layer sandwiched between the display panel and the space holding layer and fixed to the display panel, wherein the thickness of the space holding layer is thicker than a total of the thicknesses of the plurality of optical sheets except for an optical sheet nearest to the display panel.Type: ApplicationFiled: March 2, 2015Publication date: February 8, 2018Inventors: Nobuhiro Yonezawa, Takashi Iwaki
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Publication number: 20170205654Abstract: A display apparatus according to one embodiment of the present disclosure comprises a display panel, a light guiding plate that emits light, the light being derived from a light source, through a front surface of the light guiding plate toward a rear surface of the display panel, a spacer that forms a void between the display panel and the light guiding plate, and an optical sheet disposed at the void, the optical sheet having a surface to face the rear surface of the display panel and a surface to face the front surface of the light guiding plate. In the display apparatus, the spacer is formed using a shape memory alloy.Type: ApplicationFiled: September 26, 2014Publication date: July 20, 2017Inventors: Takashi Iwaki, Nobuhiro Yonezawa, Daishi Ishikawa
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Patent number: 9557734Abstract: A control computer as a master apparatus in a control network system includes a packet generation unit. The packet generation unit: selects a control command for writing a data from among packet generation information; references the packet generation information for each of the selected control command; and includes a data for write which is read from an address in a storage section corresponding to the each control command, in a control packet to generate the control packet. A communication unit transmits the generated control packet to a controlled object as a slave device.Type: GrantFiled: January 27, 2011Date of Patent: January 31, 2017Assignee: HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.Inventors: Tatsuya Maruyama, Tsutomu Yamada, Shinji Yonemoto, Takashi Iwaki, Hironori Ohashi, Yutaka Matsumoto, Ichiro Takahashi
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Patent number: 9379763Abstract: Provided is a wireless device and a wireless network capable of readily communicating wirelessly using different frequency bands and wireless formats to match the state of wireless communication at the installation location of the facility being monitored. A wireless device for performing wireless communication using a wireless module suited to the state of communication, the wireless device being provided with a plurality of wireless modules on a base substrate, wherein the wireless modules are a plurality of wireless modules between which the frequency and/or the wireless format differ. The wireless device is characterized in being provided with: a device controller for selecting a wireless module suited to the state of communication, the device controller being detachably mounted on the base substrate and connected to the plurality of wireless modules by signal wires; and a terminal block for external connection and a communication interface, which are connected to the device controller.Type: GrantFiled: December 8, 2011Date of Patent: June 28, 2016Assignee: Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Hajime Kihara, Norihisa Yanagihara, Takashi Iwaki, Takayoshi Fujioka
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Patent number: 9176271Abstract: A light guide plate that uses a resin film as a material for the light guide plate, that has a reflecting or scattering pattern formed by printing, and that guides a light propagating in the film to exit and emerge from the front surface thereof. The light guide plate is thinner and highly flexible, and has high reliability and durability. A base material of the light guide plate is formed from a thermosetting polyurethane sheet with a thickness of 0.4 mm or less. When a dot pattern is formed by ink-jetting, a white UV curable ink, for which the thermosetting polyurethane exhibits a swellability such that the thermosetting polyurethane increases by 10% or more in weight as a result of being soaked in the ink for one hour at a room temperature, is used as the ink.Type: GrantFiled: March 31, 2009Date of Patent: November 3, 2015Assignee: NIPPON MEKTRON, LTD.Inventors: Kazuyuki Ozaki, Yasushi Katsuta, Takashi Iwaki, Hayato Takada
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Patent number: 9148297Abstract: An information processor capable of ensuring time synchronization accuracy, ensuring EtherCAT command consistency, and easily developing the software based on a 2-port configuration even when a communication path error occurs includes: an arithmetic section; at least two communication sections each including a transmission section and a reception section; and a redundant communication control section that controls a communication path between the arithmetic section and the communication section. The redundant communication control section includes: a communication path state determination section that determines a network path state; and a redundant path switching section that switches connection between the arithmetic section and at least two communication sections.Type: GrantFiled: February 18, 2011Date of Patent: September 29, 2015Assignee: HITACHI, LTD.Inventors: Tatsuya Maruyama, Tsutomu Yamada, Norihisa Yanagihara, Shinji Yonemoto, Takashi Iwaki, Hironori Ohashi, Yutaka Matsumoto
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Patent number: 8913514Abstract: A communication control unit and a communication control system are provided in which control devices can synchronously operate. In a communication control system in which a communication control unit and multiple control devices having an actuator to operate a control target are connected via a network, the communication control unit provides a control command to the control devices, synchronizes times of the communication control unit and the control devices, obtains communication delays relative to the control devices, collects control start times of the control devices, obtains a time by subtracting the control start time from a predetermined time as a start time of the control device, calculates a time obtained by subtracting the communication delay from the start time for each control device, and transmits the control command to the control devices before the earliest time of the calculated times.Type: GrantFiled: August 19, 2011Date of Patent: December 16, 2014Assignee: Hitachi, Ltd.Inventors: Tatsuya Maruyama, Tsutomu Yamada, Shinji Yonemoto, Takashi Iwaki, Hironori Ohashi, Yutaka Matsumoto
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Patent number: 8788735Abstract: An interrupt control unit provides controls on an interrupt from an accelerator to a CPU based on a packet transmitted to or received from a controlled object. The interrupt control unit includes: a storage part for storing therein an interrupt control timing table in which a condition of switching a mode of the interrupt control is described; and an interrupt control mode switching part for switching the mode of the interrupt control to the CPU between a permission mode and a mask mode, based on the interrupt control timing table in the storage part.Type: GrantFiled: August 20, 2009Date of Patent: July 22, 2014Assignee: Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Tatsuya Maruyama, Tsutomu Yamada, Norihisa Yanagihara, Shinji Yonemoto, Takashi Iwaki, Hiroshi Fujii
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Publication number: 20140036721Abstract: Provided is a wireless device and a wireless network capable of readily communicating wirelessly using different frequency bands and wireless formats to match the state of wireless communication at the installation location of the facility being monitored. A wireless device for performing wireless communication using a wireless module suited to the state of communication, the wireless device being provided with a plurality of wireless modules on a base substrate, wherein the wireless modules are a plurality of wireless modules between which the frequency and/or the wireless format differ. The wireless device is characterized in being provided with: a device controller for selecting a wireless module suited to the state of communication, the device controller being detachably mounted on the base substrate and connected to the plurality of wireless modules by signal wires; and a terminal block for external connection and a communication interface, which are connected to the device controller.Type: ApplicationFiled: December 8, 2011Publication date: February 6, 2014Applicant: Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Hajime Kihara, Norihisa Yanagihara, Takashi Iwaki, Takayoshi Fujioka
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Publication number: 20120057479Abstract: A communication control unit and a communication control system are provided in which control devices can synchronously operate. In a communication control system in which a communication control unit and multiple control devices having an actuator to operate a control target are connected via a network, the communication control unit provides a control command to the control devices, synchronizes times of the communication control unit and the control devices, obtains communication delays relative to the control devices, collects control start times of the control devices, obtains a time by subtracting the control start time from a predetermined time as a start time of the control device, calculates a time obtained by subtracting the communication delay from the start time for each control device, and transmits the control command to the control devices before the earliest time of the calculated times.Type: ApplicationFiled: August 19, 2011Publication date: March 8, 2012Inventors: Tatsuya MARUYAMA, Tsutomu Yamada, Shinji Yonemoto, Takashi Iwaki, Hironori Ohashi, Yutaka Matsumoto
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Patent number: 8080931Abstract: A conductive film of thickness of from 3 nm to 50 nm made from a metal or ally formed on a substrate, wherein the ratio of density thereof to bulk density of the metal or alloy is from 0.2 to 0.5, and the ratio of resistivity thereof to bulk resistivity of the metal or alloy is from 100 to 100000.Type: GrantFiled: July 31, 2008Date of Patent: December 20, 2011Assignee: Canon Kabushiki KaishaInventors: Masahiro Terada, Makoto Kojima, Takashi Iwaki, Takeru Mizue, Tsuyoshi Ibe
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Publication number: 20110205886Abstract: An information processor capable of ensuring time synchronization accuracy, ensuring EtherCAT command consistency, and easily developing the software based on a 2-port configuration even when a communication path error occurs includes: an arithmetic section; at least two communication sections each including a transmission section and a reception section; and a redundant communication control section that controls a communication path between the arithmetic section and the communication section. The redundant communication control section includes: a communication path state determination section that determines a network path state; and a redundant path switching section that switches connection between the arithmetic section and at least two communication sections. The network provides a logical ring topology for a packet communication path.Type: ApplicationFiled: February 18, 2011Publication date: August 25, 2011Inventors: Tatsuya Maruyama, Tsutomu Yamada, Norihisa Yanagihara, Shinji Yonemoto, Takashi Iwaki, Hironori Ohashi, Yutaka Matsumoto
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Publication number: 20110184533Abstract: A control computer as a master apparatus in a control network system includes a packet generation unit. The packet generation unit: selects a control command for writing a data from among packet generation information; references the packet generation information for each of the selected control command; and includes a data for write which is read from an address in a storage section corresponding to the each control command, in a control packet to generate the control packet. A communication unit transmits the generated control packet to a controlled object as a slave device.Type: ApplicationFiled: January 27, 2011Publication date: July 28, 2011Inventors: Tatsuya Maruyama, Tsutomu Yamada, Shinji Yonemoto, Takashi Iwaki, Hironori Ohashi, Yutaka Matsumoto, Ichiro Takahashi
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Patent number: 7952265Abstract: An electron-emitting device, comprising: a pair of device electrodes formed on an insulating substrate; and a conductive film formed to connect the device electrodes and having an electron-emitting portion, wherein the conductive film has a thickness of 3 nm to 50 nm and is made of precious metal and oxide of base metal, a percentage of the base metal among metals contained in the conductive film is 30 mol % or more, and the conductive film has a concentration gradient of the oxide of the base metal in a thickness direction.Type: GrantFiled: August 1, 2008Date of Patent: May 31, 2011Assignee: Canon Kabushiki KaishaInventors: Takashi Iwaki, Tsuyoshi Ibe, Masahiro Terada
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Publication number: 20110103095Abstract: A light guide plate that uses a resin film as a material for the light guide plate, that has a reflecting or scattering pattern formed by printing, and that guides a light propagating in the film to exit and emerge from the front surface thereof. The light guide plate is thinner and highly flexible, and has high reliability and durability. A base material of the light guide plate is formed from a thermosetting polyurethane sheet with a thickness of 0.4 mm or less. When a dot pattern is formed by ink-jetting, a white UV curable ink, for which the thermosetting polyurethane exhibits a swellability such that the thermosetting polyurethane increases by 10% or more in weight as a result of being soaked in the ink for one hour at a room temperature, is used as the ink.Type: ApplicationFiled: March 31, 2009Publication date: May 5, 2011Applicant: Nippon Mektron, Ltd.Inventors: Kazuyuki Ozaki, Yasushi Katsuta, Takashi Iwaki, Hayato Takada