Patents by Inventor Tatsuya Ito
Tatsuya Ito 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: 10123415Abstract: A wiring substrate includes a surface layer having electrical insulation properties and a connection terminal having electrical conduction properties and protruding from the surface layer. The connection terminal includes a base portion, a covering portion and a filling portion. The base portion of the connection terminal is made of an electrically conductive first metal and located adjacent to the surface layer so as to extend through the surface layer and protrude from the surface layer. The covering portion of the connection terminal is made of an electrically conductive second metal having a melting point lower than that of the first metal and located so as to cover the base portion. The filling portion of the connection terminal is made of at least one of the second metal and an alloy containing the first and second metals and located so as to fill a hollow in the base portion.Type: GrantFiled: July 29, 2013Date of Patent: November 6, 2018Assignee: NGK SPARK PLUG CO., LTD.Inventors: Takahiro Hayashi, Seiji Mori, Tatsuya Ito
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Patent number: 10093118Abstract: A recording apparatus includes: a carriage that has a recording head which performs recording on a medium; and a gap adjusting unit that causes the carriage to shift in a direction in which a gap between a medium and the recording head changes depending on rotation of a cam. In a state in which the carriage is positioned at an end portion in a moving range in the first direction, at least a part of the carriage and at least a part of the cam overlap in a moving direction of the carriage. In the state in which the carriage is positioned at the end portion in the moving range in the first direction, the cam does not project with respect to the carriage in the first direction.Type: GrantFiled: February 23, 2017Date of Patent: October 9, 2018Assignee: Seiko Epson CorporationInventors: Katsunari Kumagai, Makoto Sato, Satoshi Nakata, Tatsuya Ito
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Patent number: 10087759Abstract: An electric compressor includes an inverter housing accommodating an inverter, a compressor housing accommodating a compression mechanism and an electric motor, and a seal member having an annular shape and interposed between an end surface of a peripheral wall of the compressor housing and an end surface of the inverter housing. The compressor housing has the peripheral wall in which the inverter is disposed. The seal member is retained to the inverter housing by a retaining structure which is disposed inside the peripheral wall of the compressor housing. The retaining structure includes a first projection and a second projection. The first projection is formed on the seal member and projects radially inward. The second projection is formed on the inverter housing. The first projection is located between the second projection and the end surface of the inverter housing so as to restrict movement of the seal member in a direction.Type: GrantFiled: September 28, 2015Date of Patent: October 2, 2018Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Takuro Yamashita, Tatsuya Ito, Tetsuya Yamada
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Patent number: 10065643Abstract: In a vehicle travel control apparatus configured to determine a target acceleration of an own vehicle based on an inter-vehicle distance to a predicted cutting-in vehicle predicted to cut in between the own vehicle and a following target vehicle as well as an inter-vehicle distance to the following target vehicle, it is necessary to notify a driver of the presence of the predicted cutting-in vehicle at an appropriate timing. A cutting-in probability, which is a probability that the predicted cutting-in vehicle carries out the cutting in, is acquired, and information on the predicted cutting-in vehicle is notified to the driver from a time point when a state where the cutting-in probability is higher than a start probability threshold has continued for a predetermined period to a time point when a state where the cutting-in probability is lower than an end probability threshold has continued for a predetermined period.Type: GrantFiled: March 31, 2017Date of Patent: September 4, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tatsuya Ito, Takayoshi Nohara
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Patent number: 10051247Abstract: An image projection apparatus includes laser light sources that each emit laser light; a beam combiner combining the laser lights; a beam deflector periodically changing a traveling direction of the combined laser lights and directing the laser lights to a screen; and a controller controlling a drive current supplied to the laser light sources based on a relationship between the drive current and a total light intensity outputted from the laser light sources, in which the total light intensity comprises three ranges, the controller supplies the drive current to the laser light sources when the laser lights are emitted in the total light intensity included in either the first or the third range, and the controller supplies the drive current to at least one or some of the laser light sources when the combined laser lights are emitted in the total light intensity included in the second range.Type: GrantFiled: September 4, 2015Date of Patent: August 14, 2018Assignee: Funai Electric Co., Ltd.Inventors: Kenji Nagashima, Toyoshi Nogami, Tatsuya Ito
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Publication number: 20180204443Abstract: A technique capable of immediately reporting to an operator an occurrence of abnormality in an electric tool is provided. A communication terminal 100 includes a communication-terminal-side control unit that determines whether abnormality has occurred in any of electric tools 10, 200, 300, and 400 based on information acquired from the electric tools 10, 200, 300, and 400 via wireless communication. When the communication-terminal-side control unit determines the occurrence of abnormality in any one of the electric tools 10, 200, 300, and 400, the occurrence of abnormality in the electric tool 10, 200, 300, or 400 is reported by at least one of a report unit included in the electric tools 10, 200, 300, and 400 other than the electric tool 10, 200, 300, or 400 in which the occurrence of abnormality is determined and a report unit included in the communication terminal 100.Type: ApplicationFiled: March 13, 2018Publication date: July 19, 2018Inventors: Tomomasa NISHIKAWA, Takuya KONNAI, Tatsuya ITO
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Publication number: 20180199506Abstract: “A self-propelled grass mower and a self-propelled wheeled apparatus that can perform precise guidance control by reliably detecting a guidance signal with a guidewire are provided. The self-propelled grass mower includes wheel motors for driving wheels, a cutting blade motor for driving a cutting blade, a rechargeable battery for supplying electrical power to these motors, and a guidewire sensor for detecting a magnetic field generated by a guidewire formed into a loop. In the self-propelled grass mower that detects whether is inside or outside of a region enclosed by the guidewire and runs autonomously in a grass cutting region, only the supply voltage for the cutting blade motor is reduced when a magnetic field is detected by the guidewire sensor. Driving of the cutting blade motor is restarted after detection of the magnetic field has completed. Thereby, the impact of noise due to the cutting blade motor is eliminated.Type: ApplicationFiled: August 26, 2016Publication date: July 19, 2018Applicant: HITACHI KOKI CO., LTD.Inventors: Tatsuya ITO, Yoshio IIMURA
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Publication number: 20180149858Abstract: A light-projecting device includes a light source that emits a light, and a scanner that performs a first scan of the light in a first direction and a second direction opposed to the first direction, and performs a second scan of the light in a direction orthogonal to the first direction. The scanner performs the second scan while the scanner is swinging in a first angle range when the scanner performs the first scan in the first direction. The scanner performs the second scan while the scanner is swinging in a second angle range that is greater than the first angle range when the scanner performs the first scan in the second direction.Type: ApplicationFiled: October 16, 2017Publication date: May 31, 2018Applicant: Funai Electric Co., Ltd.Inventor: Tatsuya Ito
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Publication number: 20180145242Abstract: An AC adaptor is provided that includes a piezoelectric transformer, a switching circuit that is connected to an input electrode of the piezoelectric transformer and performs conversion of an input voltage by turning on and turning off switching elements. Moreover, a diode bridge and a smoothing capacitor are connected to output electrodes and a parallel circuit is connected between an input electrode and the switching circuit and includes a capacitor and a diode. In addition, a rectifying and smoothing circuit is connected in parallel with the parallel circuit and includes a diode and a capacitor. Accordingly, a power supply circuit and an AC adaptor are provided that generate an auxiliary power supply without hindering reduction in size.Type: ApplicationFiled: January 17, 2018Publication date: May 24, 2018Inventors: TAKEAKI TAMAYAMA, Tatsuya Ito
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Patent number: 9954059Abstract: A semiconductor wafer is provided with a thick region extending along its outer circumferential surface and being greater in thickness than its central region. A main surface of the wafer includes a slope surface located between the central region and the thick region. The slope surface has an inner circumferential edge and an outer circumferential edge, and slopes such that the thickness of the wafer increases from the inner circumferential edges to the outer circumferential edge. The slope surface includes an inner circumferential portion including the inner circumferential edge, an outer circumferential portion including the outer circumferential edge and an intermediate portion located between the inner and the outer circumferential portions. At least one of slope angles of the inner and the outer circumferential portions is smaller than a slope angle of the intermediate portion.Type: GrantFiled: August 21, 2017Date of Patent: April 24, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroshi Shibata, Tatsuya Ito
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Publication number: 20180102410Abstract: A semiconductor wafer is provided with a thick region extending along its outer circumferential surface and being greater in thickness than its central region. A main surface of the wafer includes a slope surface located between the central region and the thick region. The slope surface has an inner circumferential edge and an outer circumferential edge, and slopes such that the thickness of the wafer increases from the inner circumferential edges to the outer circumferential edge. The slope surface includes an inner circumferential portion including the inner circumferential edge, an outer circumferential portion including the outer circumferential edge and an intermediate portion located between the inner and the outer circumferential portions. At least one of slope angles of the inner and the outer circumferential portions is smaller than a slope angle of the intermediate portion.Type: ApplicationFiled: August 21, 2017Publication date: April 12, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroshi SHIBATA, Tatsuya ITO
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Patent number: 9940813Abstract: A technique capable of immediately reporting to an operator an occurrence of abnormality in an electric tool is provided. A communication terminal 100 includes a communication-terminal-side control unit that determines whether abnormality has occurred in any of electric tools 10, 200, 300, and 400 based on information acquired from the electric tools 10, 200, 300, and 400 via wireless communication. When the communication-terminal-side control unit determines the occurrence of abnormality in any one of the electric tools 10, 200, 300, and 400, the occurrence of abnormality in the electric tool 10, 200, 300, or 400 is reported by at least one of a report unit included in the electric tools 10, 200, 300, and 400 other than the electric tool 10, 200, 300, or 400 in which the occurrence of abnormality is determined and a report unit included in the communication terminal 100.Type: GrantFiled: January 9, 2015Date of Patent: April 10, 2018Assignee: HITACHI KOKI CO., LTD.Inventors: Tomomasa Nishikawa, Takuya Konnai, Tatsuya Ito
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Patent number: 9903987Abstract: A laser optical device is provided with a plurality of laser light sources, a collimating lens that has an optical axis that intersects a line connecting the plurality of laser light sources in a plan view viewed from a direction perpendicular to both this line and the optical axis and collimates lights respectively emitted from the plurality of laser light sources, and a deflecting element that deflects a plurality of lights emitted from the collimating lens so output lights where the lights respectively emitted from the plurality of laser light sources are optically processed make contact.Type: GrantFiled: September 7, 2015Date of Patent: February 27, 2018Assignee: Funai Electric Co., Ltd.Inventors: Kenji Nagashima, Toyoshi Nogami, Tatsuya Ito
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Patent number: 9905721Abstract: To provide a leak detecting sensor capable of favorably detecting a leak of a chemical liquid regardless of orientation in fixing to a patient. The leak detecting sensor has a plurality of light-emitting elements 11 each emitting light to be applied to the patient, and a single light-receiving element receiving the light emitted by the plurality of light-emitting elements and reflected by the patient. The plurality of light-emitting elements are placed to surround the single light-receiving element.Type: GrantFiled: April 23, 2012Date of Patent: February 27, 2018Assignee: NEMOTO KYORINDO CO., LTD.Inventors: Young-Kwang Park, Takanobu Yagi, Seiichi Ono, Tomoyuki Kawabe, Tatsuya Ito
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Patent number: 9833890Abstract: An electric tool including: a motor configured to drive a front end tool; a control device configure to control rotation of the motor; a storage part configured to store a method of driving the motor by the control device; and a communication terminal to which a communication line for reading or writing information of the storage part is configured to be connected.Type: GrantFiled: May 18, 2012Date of Patent: December 5, 2017Assignee: HITACHI KOKI CO., LTD.Inventors: Tatsuya Ito, Tomomasa Nishikawa, Hironori Mashiko, Mizuho Nakamura, Yoshio Iimura
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Publication number: 20170305422Abstract: In a vehicle travel control apparatus configured to determine a target acceleration of an own vehicle based on an inter-vehicle distance to a predicted cutting-in vehicle predicted to cut in between the own vehicle and a following target vehicle as well as an inter-vehicle distance to the following target vehicle, it is necessary to notify a driver of the presence of the predicted cutting-in vehicle at an appropriate timing. A cutting-in probability, which is a probability that the predicted cutting-in vehicle carries out the cutting in, is acquired, and information on the predicted cutting-in vehicle is notified to the driver from a time point when a state where the cutting-in probability is higher than a start probability threshold has continued for a predetermined period to a time point when a state where the cutting-in probability is lower than an end probability threshold has continued for a predetermined period.Type: ApplicationFiled: March 31, 2017Publication date: October 26, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tatsuya ITO, Takayoshi NOHARA
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Publication number: 20170290131Abstract: A projection device comprises a light source, a first attenuator and a second attenuator, a first driver, a second driver, a light receiving element, and a controller. The light source emits light. The first attenuator and the second attenuator attenuate intensity of the light from the light source. The first driver drives the first attenuator. The second driver drives the second attenuator. The light receiving element receives the light distributed by the second attenuator. The controller controls the second driver to control the distribution ratio of the light distributed to the light receiving element by the second attenuator according to control of transmissivity of light at the first attenuator by the first driver.Type: ApplicationFiled: March 29, 2017Publication date: October 5, 2017Inventor: Tatsuya ITO
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Publication number: 20170269269Abstract: A laser optical device is provided with a plurality of laser light sources, a collimating lens that has an optical axis that intersects a line connecting the plurality of laser light sources in a plan view viewed from a direction perpendicular to both this line and the optical axis and collimates lights respectively emitted from the plurality of laser light sources, and a deflecting element that deflects a plurality of lights emitted from the collimating lens so output lights where the lights respectively emitted from the plurality of laser light sources are optically processed make contact.Type: ApplicationFiled: September 7, 2015Publication date: September 21, 2017Applicant: Funai Electric Co., Ltd.Inventors: Kenji Nagashima, Toyoshi Nogami, Tatsuya Ito
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Publication number: 20170246891Abstract: A recording apparatus includes: a carriage that has a recording head which performs recording on a medium; and a gap adjusting unit that causes the carriage to shift in a direction in which a gap between a medium and the recording head changes depending on rotation of a cam. In a state in which the carriage is positioned at an end portion in a moving range in the first direction, at least a part of the carriage and at least a part of the cam overlap in a moving direction of the carriage. In the state in which the carriage is positioned at the end portion in the moving range in the first direction, the cam does not project with respect to the carriage in the first direction.Type: ApplicationFiled: February 23, 2017Publication date: August 31, 2017Inventors: Katsunari KUMAGAI, Makoto SATO, Satoshi NAKATA, Tatsuya ITO
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Patent number: 9693453Abstract: A wiring board includes a base layer, a plurality of connection terminals and a surface layer. The base layer is electrically insulative. The plurality of connection terminals are conductive and formed on the base layer. The surface layer is electrically insulative, and fills gaps between the plurality of connection terminals on the base layer. The connection terminals include a base portion made of a conductive first metal and a coating portion made of a conductive second metal that is different from the first metal. The coating portion penetrates the surface layer, and coats the base portion to the base layer.Type: GrantFiled: September 6, 2013Date of Patent: June 27, 2017Assignee: NGK SPARK PLUS CO., LTD.Inventors: Takahiro Hayashi, Seiji Mori, Tatsuya Ito