Patents by Inventor Noriaki Oodachi
Noriaki Oodachi 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: 10992181Abstract: A power transmitting apparatus including a power supply to generate AC power; a power transmitting inductor to transfer the AC power to a power receiving apparatus through magnetic coupling with a power receiving inductor in the power receiving apparatus; a mutual coupling adjusting unit to adjust a relative position between the power transmitting inductor and the power receiving inductor; and a control unit to control the mutual coupling adjusting unit based on a mutual coupling coefficient between the power transmitting inductor and the power receiving inductor. The control unit controls the mutual coupling adjusting unit so that the mutual coupling coefficient falls within a predetermined range and an upper limit of the predetermined range is a value less than a maximum of the mutual coupling coefficient between the power transmitting inductor and the power receiving inductor.Type: GrantFiled: February 15, 2017Date of Patent: April 27, 2021Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Tetsu Shijo, Akiko Yamada, Kohei Onizuka, Fumi Moritsuka, Hiroaki Ishihara, Noriaki Oodachi, Shuichi Obayashi, Hiroki Kudo, Kenichirou Ogawa, Shoji Otaka, Hiroki Shoki
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Patent number: 10836261Abstract: An inductor unit according to one embodiment includes a first inductor comprising a first core and a first winding wound around the first core; and a second inductor comprising a second core and a second winding wound around the second core. The first inductor and the second inductor are disposed so that an angle is larger than 0 degree and smaller than 90 degrees. The angle is formed by: a first straight line coupling a first intersection point of a first center line in parallel with a first magnetic flux direction of the first core and a second center line perpendicular to the first magnetic flux direction, and a second intersection point of a third center line in parallel with the second magnetic flux direction of the second core and a fourth center line perpendicular to the second magnetic flux direction; and the first center line.Type: GrantFiled: September 13, 2016Date of Patent: November 17, 2020Assignee: Kabushiki Kaisha ToshibaInventors: Tetsu Shijo, Kenichirou Ogawa, Akiko Yamada, Noriaki Oodachi, Shuichi Obayashi
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Patent number: 10658876Abstract: A power transmission device according to one embodiment, includes a first power transmission resonator configured to wirelessly transmits power; a second power transmission resonator configured to wirelessly transmits power; a first power supply configured to output AC power to the first power transmission resonator; and a second power supply configured to output AC power having a frequency different from that of the first power supply to the second power transmission resonator. An operating band of the first power transmission resonator includes the frequency of the first power supply and does not include the frequency of the second power supply. An operating band of the second power transmission resonator does not include the frequency of the first power supply and includes the frequency of the second power supply.Type: GrantFiled: September 19, 2016Date of Patent: May 19, 2020Assignee: Kabushiki Kaisha ToshibaInventors: Noriaki Oodachi, Shuichi Obayashi
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Patent number: 10224748Abstract: According to one embodiment, there is provided a power transmitting device including: a power supply, a resonator, an adjuster and a controller. The power supply supplies AC power. The resonator includes a magnetic core and a coil wound around the magnetic core, the resonator wirelessly transmitting the AC power supplied from the power supply to a different resonator arranged to be opposed to the resonator. The adjuster relatively moves the coil and the magnetic core along a longitudinal direction of the coil. The controller controls the adjuster based on a value of current flowing in the resonator to adjust relative positions of the magnetic core and the coil.Type: GrantFiled: June 25, 2014Date of Patent: March 5, 2019Assignee: Kabushiki Kaisha ToshibaInventors: Akiko Yamada, Tetsu Shijo, Shuichi Obayashi, Hiroaki Ishihara, Kohei Onizuka, Kenichirou Ogawa, Fumi Moritsuka, Hiroki Kudo, Noriaki Oodachi
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Patent number: 10141783Abstract: A power transmission system according to an embodiment includes a transmitting device and a receiving device. The transmitting (receiving) device includes a transmitting (receiving) housing and a transmitting (receiving) coil. The transmitting (receiving) housing includes a first transmitting (receiving) surface and a second transmitting (receiving) surface. The transmitting (receiving) coil includes a first transmitting (receiving) part and a second transmitting (receiving) part. A first facing area and a second facing area at the reference position are set such that change of strength of magnetic coupling between the transmitting coil and the receiving coil of when the receiving device is moved in a direction perpendicular to the first transmitting surface becomes smaller than change of strength of magnetic coupling between the transmitting coil and the receiving coil of when the receiving device is moved in a direction perpendicular to the second transmitting surface.Type: GrantFiled: May 27, 2015Date of Patent: November 27, 2018Assignee: Kabushiki Kaisha ToshibaInventors: Kenichirou Ogawa, Noriaki Oodachi, Shuichi Obayashi, Hiroki Shoki
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Patent number: 9889757Abstract: According to one embodiment, a mobile machine includes a mobile body and a plurality of power transmission resonators. The mobile body is capable of being tilted in a particular direction such that a distance between a particular part opposed to a travel surface and the travel surface is reduced. The plurality of power transmission resonators are arranged at portions of the particular part of the mobile body, heights of the portions with reference to the travel surface being approximately identical with each other in a state of the mobile body being tilted.Type: GrantFiled: April 8, 2016Date of Patent: February 13, 2018Assignee: Kabushiki Kaisha ToshibaInventors: Shuichi Obayashi, Noriaki Oodachi, Tetsu Shijo, Kenichirou Ogawa
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Publication number: 20170170690Abstract: A power transmitting apparatus including a power supply to generate AC power; a power transmitting inductor to transfer the AC power to a power receiving apparatus through magnetic coupling with a power receiving inductor in the power receiving apparatus; a mutual coupling adjusting unit to adjust a relative position between the power transmitting inductor and the power receiving inductor; and a control unit to control the mutual coupling adjusting unit based on a mutual coupling coefficient between the power transmitting inductor and the power receiving inductor. The control unit controls the mutual coupling adjusting unit so that the mutual coupling coefficient falls within a predetermined range and an upper limit of the predetermined range is a value less than a maximum of the mutual coupling coefficient between the power transmitting inductor and the power receiving inductor.Type: ApplicationFiled: February 15, 2017Publication date: June 15, 2017Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Tetsu SHIJO, Akiko YAMADA, Kohei ONIZUKA, Fumi MORITSUKA, Hiroaki ISHIHARA, Noriaki OODACHI, Shuichi OBAYASHI, Hiroki KUDO, Kenichirou OGAWA, Shoji OTAKA, Hiroki SHOKI
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Patent number: 9608453Abstract: There is provided a power transmitting apparatus including: a power supply, a power transmitting inductor, a mutual coupling adjusting unit and a control unit, in which the power supply supplies AC power, the power transmitting inductor transfers the AC power to a power receiving apparatus through magnetic coupling with a power receiving inductor in the power receiving apparatus, the mutual coupling adjusting unit adjusts a relative position between the power transmitting inductor and the power receiving inductor, and the control unit controls the mutual coupling adjusting unit, based on a mutual coupling coefficient between the power transmitting inductor and the power receiving inductor.Type: GrantFiled: January 10, 2013Date of Patent: March 28, 2017Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Tetsu Shijo, Akiko Yamada, Kohei Onizuka, Fumi Moritsuka, Hiroaki Ishihara, Noriaki Oodachi, Shuichi Obayashi, Hiroki Kudo, Kenichirou Ogawa, Shoji Otaka, Hiroki Shoki
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Publication number: 20170012477Abstract: An inductor unit according to one embodiment includes a first inductor comprising a first core and a first winding wound around the first core; and a second inductor comprising a second core and a second winding wound around the second core. The first inductor and the second inductor are disposed so that an angle is larger than 0 degree and smaller than 90 degrees. The angle is formed by: a first straight line coupling a first intersection point of a first center line in parallel with a first magnetic flux direction of the first core and a second center line perpendicular to the first magnetic flux direction, and a second intersection point of a third center line in parallel with the second magnetic flux direction of the second core and a fourth center line perpendicular to the second magnetic flux direction; and the first center line.Type: ApplicationFiled: September 13, 2016Publication date: January 12, 2017Inventors: Tetsu SHIJO, Kenichirou OGAWA, Akiko YAMADA, Noriaki OODACHI, Shuichi OBAYASHI
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Publication number: 20170005528Abstract: A power transmission device according to one embodiment, includes a first power transmission resonator configured to wirelessly transmits power; a second power transmission resonator configured to wirelessly transmits power; a first power supply configured to output AC power to the first power transmission resonator; and a second power supply configured to output AC power having a frequency different from that of the first power supply to the second power transmission resonator. An operating band of the first power transmission resonator includes the frequency of the first power supply and does not include the frequency of the second power supply. An operating band of the second power transmission resonator does not include the frequency of the first power supply and includes the frequency of the second power supply.Type: ApplicationFiled: September 19, 2016Publication date: January 5, 2017Inventors: Noriaki OODACHI, Shuichi OBAYASHI
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Publication number: 20160221461Abstract: According to one embodiment, a mobile machine includes a mobile body and a plurality of power transmission resonators. The mobile body is capable of being tilted in a particular direction such that a distance between a particular part opposed to a travel surface and the travel surface is reduced. The plurality of power transmission resonators are arranged at portions of the particular part of the mobile body, heights of the portions with reference to the travel surface being approximately identical with each other in a state of the mobile body being tilted.Type: ApplicationFiled: April 8, 2016Publication date: August 4, 2016Inventors: Shuichi OBAYASHI, Noriaki OODACHI, Tetsu SHIJO, Kenichirou OGAWA
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Publication number: 20160006259Abstract: A power transmission system according to an embodiment includes a transmitting device and a receiving device. The transmitting (receiving) device includes a transmitting (receiving) housing and a transmitting (receiving) coil. The transmitting (receiving) housing includes a first transmitting (receiving) surface and a second transmitting (receiving) surface. The transmitting (receiving) coil includes a first transmitting (receiving) part and a second transmitting (receiving) part. A first facing area and a second facing area at the reference position are set such that change of strength of magnetic coupling between the transmitting coil and the receiving coil of when the receiving device is moved in a direction perpendicular to the first transmitting surface becomes smaller than change of strength of magnetic coupling between the transmitting coil and the receiving coil of when the receiving device is moved in a direction perpendicular to the second transmitting surface.Type: ApplicationFiled: May 27, 2015Publication date: January 7, 2016Inventors: Kenichirou OGAWA, Noriaki OODACHI, Shuichi OBAYASHI, Hiroki SHOKI
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Patent number: 9203153Abstract: A loop antenna includes: a pair of first linear elements, a feed point connected with each of the first linear elements, a first variable impedance element, one end of which is connected with one end of the first linear elements, a second variable impedance element, one end and the other end of which are electrically connected with the other end of the first variable impedance element and the other end of the first linear elements, and a second linear element, one end and the other end of which are electrically connected with the other end of the first variable impedance element and the other end of the first linear elements. A self-resonance coil receives power fed to the feed point of the loop antenna and transmits the received power to a receiving self-resonance coil.Type: GrantFiled: September 19, 2011Date of Patent: December 1, 2015Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Kenichirou Ogawa, Noriaki Oodachi, Hiroki Kudo, Hiroki Shoki
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Patent number: 9124307Abstract: A power transmission system includes a power transmission apparatus, a power receiving apparatus, and a foreign-substance detecting unit. The power transmission apparatus has a power transmission coil to wirelessly transmit electric power. The power receiving apparatus has a power receiving coil to wirelessly receive electric power from the power transmission apparatus. The foreign-substance detecting unit detects a foreign substance which is present between the power transmission coil and the power receiving coil. In addition, the power transmission apparatus includes a voltage supply, a power supply controller, the power transmission coil, and a first measurement unit. The power receiving apparatus includes the power receiving coil and a second measurement unit.Type: GrantFiled: March 11, 2011Date of Patent: September 1, 2015Assignee: Kabushiki Kaisha ToshibaInventors: Hiroki Kudo, Noriaki Oodachi, Kenichirou Ogawa
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Publication number: 20150001955Abstract: According to one embodiment, there is provided a power transmitting device including: a power supply, a resonator, an adjuster and a controller. The power supply supplies AC power. The resonator includes a magnetic core and a coil wound around the magnetic core, the resonator wirelessly transmitting the AC power supplied from the power supply to a different resonator arranged to be opposed to the resonator. The adjuster relatively moves the coil and the magnetic core along a longitudinal direction of the coil. The controller controls the adjuster based on a value of current flowing in the resonator to adjust relative positions of the magnetic core and the coil.Type: ApplicationFiled: June 25, 2014Publication date: January 1, 2015Inventors: Akiko Yamada, Tetsu Shijo, Shuichi Obayashi, Hiroaki Ishihara, Kohei Onizuka, Kenichirou Ogawa, Fumi Moritsuka, Hiroki Kudo, Noriaki Oodachi
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Patent number: 8847827Abstract: In one embodiment, a communication apparatus includes a substrate, an antenna disposed on the substrate, a first communication part transmitting or receiving a signal at a predetermined frequency via the antenna, a first conductor plate, a terminal disposed on the substrate and connected to the first conductor plate by a conductor line, a second communication part disposed on the substrate, connected electrically to the terminal, and communicating with a communication partner via the first conductor plate, and a second conductor plate connected electrically to the conductor line and having a length of substantially ΒΌ of the wavelength of the predetermined frequency.Type: GrantFiled: January 30, 2012Date of Patent: September 30, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Takafumi Ohishi, Noriaki Oodachi, Shuichi Obayashi
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Publication number: 20140210583Abstract: There is provided an electronic equipment including: a first case that incorporates an electronic component; a second case having a first surface that is common with a surface of the first case, a second surface that has an angle with respect to the first surface and a third surface that has an angle with respect to the second surface; and electric power receiving coils built in parts that face respectively the second surface and the third surface.Type: ApplicationFiled: March 10, 2014Publication date: July 31, 2014Applicant: Kabushiki Kaisha ToshibaInventors: Noriaki Oodachi, Kenichirou Ogawa, Hiroki Kudo, Akiko Yamada, Tetsu Shijo, Hiroki Shoki, Shuichi Obayashi
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Publication number: 20140167524Abstract: There is provided a wireless power transmission device including: a first resonant coil, a first magnetic body and a second resonant coil in which the first resonant coil is supplied with AC energy to generate a magnetic field, the first magnetic body varies a form of the magnetic field generated by the first resonant coil, the second resonant coil couples with the magnetic field varied by the first magnetic body to receive the AC energy, and the first magnetic body is disposed between the first resonant coil and the second resonant coil.Type: ApplicationFiled: February 11, 2014Publication date: June 19, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Noriaki OODACHI, Kenichirou OGAWA
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Publication number: 20130249299Abstract: There is provided a power transmitting apparatus including: a power supply, a power transmitting inductor, a mutual coupling adjusting unit and a control unit, in which the power supply supplies AC power, the power transmitting inductor transfers the AC power to a power receiving apparatus through magnetic coupling with a power receiving inductor in the power receiving apparatus, the mutual coupling adjusting unit adjusts a relative position between the power transmitting inductor and the power receiving inductor, and the control unit controls the mutual coupling adjusting unit, based on a mutual coupling coefficient between the power transmitting inductor and the power receiving inductor.Type: ApplicationFiled: January 10, 2013Publication date: September 26, 2013Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Tetsu SHIJO, Akiko YAMADA, Kohei ONIZUKA, Fumi MORITSUKA, Hiroaki ISHIHARA, Noriaki OODACHI, Shuichi OBAYASHI, Hiroki KUDO, Kenichirou OGAWA, Shoji OTAKA, Hiroki SHOKI
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Publication number: 20130249305Abstract: There is provided a power transmission apparatus which transmits power generated by a power source to one or more power reception apparatuses. The power transmission apparatus includes a power allocation processing unit and a power transmission unit. The power allocation processing unit allocates first resources which are parts of resources for transmitting the power to the power reception apparatuses, based on requested power of the power reception apparatuses, and allocates second resources which are resources with the exception of first resources to a power reception apparatus selected from the power reception apparatuses based on power transmission characteristics of the power reception apparatuses. The power transmission unit transmits the power to the power reception apparatuses using first resources and second resources.Type: ApplicationFiled: January 11, 2013Publication date: September 26, 2013Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hiroki KUDO, Noritaka DEGUCHI, Hiroki SHOKI, Noriaki OODACHI, Kenichirou OGAWA