Patents by Inventor Takafumi Ohishi
Takafumi Ohishi 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: 20140057562Abstract: According to an embodiment, the first signal line is provided on the substrate and has one end connected to the communication unit. The coaxial line is provided by a surface side of the substrate and includes second and third signal lines. The third signal line is provided at an outside of the second signal line through a dielectric. One end of the second signal line is connected to the other end of the first signal line. One end of the third signal line is connected to the ground electrode though a via. The electrode unit includes a reference potential electrode and a signal electrode. The signal electrode is provided around the reference potential electrode with a space left in between. The reference potential electrode is connected to the other end of the third signal line whereas the signal electrode is connected to the other end of the second signal line.Type: ApplicationFiled: November 1, 2013Publication date: February 27, 2014Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Masanori Kurata, Takafumi Ohishi, Shuichi Obayashi
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Patent number: 8594564Abstract: According to an embodiment, the first signal line is provided on the substrate and has one end connected to the communication unit. The coaxial line is provided by a surface side of the substrate and includes second and third signal lines. The third signal line is provided at an outside of the second signal line through a dielectric. One end of the second signal line is connected to the other end of the first signal line. One end of the third signal line is connected to the ground electrode though a via. The electrode unit includes a reference potential electrode and a signal electrode. The signal electrode is provided around the reference potential electrode with a space left in between. The reference potential electrode is connected to the other end of the third signal line whereas the signal electrode is connected to the other end of the second signal line.Type: GrantFiled: March 18, 2011Date of Patent: November 26, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Masanori Kurata, Takafumi Ohishi, Shuichi Obayashi
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Patent number: 8588684Abstract: According to one embodiment, the signal electrode is disposed on the first principal surface side of the substrate and is connected to the other end of the second signal line. The housing covers and accommodates therein the substrate, the communication unit, the first signal line, the terminal, the second signal line, and the signal electrode. The conductive material is arranged on an outer side of the housing so as to be opposite to the signal electrode, and includes an outer peripheral portion extended outward beyond an outer periphery of the signal electrode. The communication apparatus carries out data communication via a living body.Type: GrantFiled: March 13, 2012Date of Patent: November 19, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Koichi Mori, Takafumi Ohishi, Kazuhiro Inoue
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Publication number: 20130278470Abstract: According to an embodiment, a communication apparatus communicates through a living body. One end of a first signal line is connected to the communication unit. A terminal is connected to the other end of the first signal line. One end of a second signal line is connected to the terminal. The second signal line is connected to the first signal line through the terminal. A first signal electrode is connected to the other end of the second signal line. One end of a third signal line is connected to the terminal. The third signal line is connected to the first signal line through the terminal. One end of a magnetic field sensor is connected to the other end of the third signal line. The other end of the magnetic field sensor is connected to a reference potential electrode.Type: ApplicationFiled: January 30, 2013Publication date: October 24, 2013Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kazuki KATAOKA, Takafumi OHISHI, Kazuhiro INOUE
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Publication number: 20130149961Abstract: According to one embodiment, the signal electrode is disposed on the first principal surface side of the substrate and is connected to the other end of the second signal line. The housing covers and accommodates therein the substrate, the communication unit, the first signal line, the terminal, the second signal line, and the signal electrode. The conductive material is arranged on an outer side of the housing so as to be opposite to the signal electrode, and includes an outer peripheral portion extended outward beyond an outer periphery of the signal electrode. The communication apparatus carries out data communication via a living body.Type: ApplicationFiled: March 13, 2012Publication date: June 13, 2013Applicant: Kabushiki Kaisha ToshibaInventors: Koichi MORI, Takafumi Ohishi, Kazuhiro Inoue
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Publication number: 20120178387Abstract: In the embodiment, a communication device is provided including a substrate, an antenna mounted on the substrate, a first communication unit which transmits or receives a first signal via the antenna, a terminal provided on the substrate, a signal wire one end of which is connected to the terminal, a conductor plate connected to the other end of the signal wire, and a second communication unit which transmits or receives a second signal via the conductor plate. A sum length of a line length of the signal wire and half a circumferential length of the conductor plate is equal to integral times of half the wavelength of the resonance frequency of the antenna.Type: ApplicationFiled: March 21, 2012Publication date: July 12, 2012Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Takafumi OHISHI
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Publication number: 20120129449Abstract: According to an embodiment, the first signal line is provided on the substrate and has one end connected to the communication unit. The coaxial line is provided by a surface side of the substrate and includes second and third signal lines. The third signal line is provided at an outside of the second signal line through a dielectric. One end of the second signal line is connected to the other end of the first signal line. One end of the third signal line is connected to the ground electrode though a via. The electrode unit includes a reference potential electrode and a signal electrode. The signal electrode is provided around the reference potential electrode with a space left in between. The reference potential electrode is connected to the other end of the third signal line whereas the signal electrode is connected to the other end of the second signal line.Type: ApplicationFiled: March 18, 2011Publication date: May 24, 2012Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Masanori Kurata, Takafumi Ohishi, Shuichi Obayashi
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Publication number: 20120127042Abstract: 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: ApplicationFiled: January 30, 2012Publication date: May 24, 2012Inventors: Takafumi Ohishi, Noriaki Oodachi, Shuichi Obayashi
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Publication number: 20120126944Abstract: In one embodiment, a human body communication apparatus includes a first human body communication terminal carried by a person, a second human body communication terminal and an authentication unit included in the first or second human body communication terminal. The first human body communication terminal includes a first detection unit to detect first living body physiological information of the carrying person. The second human body communication terminal includes a human body contact sensor and a second detection unit to detect second living body physiological information of the person who touches the human body contact sensor. The authentication unit acquires the first and second living body physiological information and determines a correlation between the first and second living body physiological information to permit communication between the first and second human body communication terminals in accordance with the correlation.Type: ApplicationFiled: March 18, 2011Publication date: May 24, 2012Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takashi Ueno, Takafumi Ohishi, Shuichi Obayashi, Ichiro Seto, Toshitada Saito
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Patent number: 7636065Abstract: According to an aspect of the invention, there is provided an antenna apparatus comprising: a substrate comprising an end portion; antenna elements connected to the end portion through a connecting portion; and a conductive line path provided between adjacent antenna elements, both ends of the conductive line path connected to the end portion. A distance between both ends of the conductive line path is shorter than a quarter wavelength of an operating frequency of the antenna elements. A path difference between a first path length from an connecting portion of one of the antenna elements to an connecting portion of the other of the antenna elements through both ends of the conductive line path and a second path length from the connecting portion of one of the antenna elements to the connecting portion of the other of the antenna elements through the conductive line path is a half wavelength of the operating frequency.Type: GrantFiled: March 20, 2008Date of Patent: December 22, 2009Assignee: Kabushiki Kaisha ToshibaInventors: Takafumi Ohishi, Noriaki Oodachi
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Publication number: 20090027286Abstract: According to an aspect of the invention, there is provided an antenna apparatus comprising: a substrate comprising an end portion; antenna elements connected to the end portion through a connecting portion; and a conductive line path provided between adjacent antenna elements, both ends of the conductive line path connected to the end portion. A distance between both ends of the conductive line path is shorter than a quarter wavelength of an operating frequency of the antenna elements. A path difference between a first path length from an connecting portion of one of the antenna elements to an connecting portion of the other of the antenna elements through both ends of the conductive line path and a second path length from the connecting portion of one of the antenna elements to the connecting portion of the other of the antenna elements through the conductive line path is a half wavelength of the operating frequency.Type: ApplicationFiled: March 20, 2008Publication date: January 29, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takafumi Ohishi, Noriaki Oodachi