Patents by Inventor Masatoshi Watanabe

Masatoshi Watanabe 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).

  • Publication number: 20170104370
    Abstract: A wireless power transmitter for transmitting a power signal to a wireless power receiver is disclosed. The transmitter includes a transmission antenna, an inverter circuit including a plurality of switches; and a control circuit configured to demodulate a control signal received by the transmission antenna from the transmitter and control the inverter circuit based on power control data included in the control signal. The control circuit is configured to select among a first, second and third mode. For example, in the first mode in which a first pair including first and second switches and a second pair including third and fourth switches are both complementarily switched at a duty ratio of 50%, and a phase difference of the first pair and the second pair is changed between a minimum value and a maximum value depending on a transmission power, and the inverter circuit performs a full-bridge operation.
    Type: Application
    Filed: October 11, 2016
    Publication date: April 13, 2017
    Inventors: Masatoshi Watanabe, Tomoya Morinaga
  • Publication number: 20170093214
    Abstract: A wireless power transmitter transmitting a power signal to a wireless power receiver, includes: a transmission antenna; an inverter circuit applying an AC driving signal to the transmission antenna; and a control circuit controlling the inverter circuit. The control circuit includes: a demodulator demodulating a control signal received by the transmission antenna from the wireless power receiver; a transmission power measurement part measuring transmission power to generate transmission power data; and a logic circuit that controls the inverter circuit based on power control data included in the control signal to change the transmission power, control the inverter circuit based on the control signal to be transmitted to the wireless power receiver to modulate the power signal, and perform foreign object detection by a power loss method based on transmission power data and reception power data included in the control signal. The logic circuit is configured to perform a calibration sequence.
    Type: Application
    Filed: September 26, 2016
    Publication date: March 30, 2017
    Inventors: Masatoshi WATANABE, Tomoya MORINAGA
  • Publication number: 20170092841
    Abstract: A substrate for piezoelectric body formation has a base substrate layer containing at least SiO2 or SiN in the surface, an intermediate layer containing at least one of Ti and TiO2 on the base substrate layer, and an electrode layer containing Pt on the intermediate layer, in which the film thickness of the electrode layer is 40 nm or more and 1000 nm or less and Ti is not detected in the surface of the electrode layer by an elemental quantitative analysis method.
    Type: Application
    Filed: September 26, 2016
    Publication date: March 30, 2017
    Inventors: Minako Nakasu, Motokazu Kobayashi, Hiroto Numazawa, Masatoshi Watanabe
  • Patent number: 9577474
    Abstract: A demodulator is mounted on a wireless power transmitter that conforms to the Qi standard, and demodulates an amplitude modulated signal superimposed on a coil current ICOIL that flows through a primary coil of a transmission antenna, or otherwise on a coil voltage across both ends of the primary coil. Multiple demodulating units are each configured to have respectively different configurations, to operate in parallel, to extract a demodulated component from the coil current ICOIL or otherwise from the coil voltage, and to generate baseband signals as demodulated signals. A signal processing unit employs a baseband signal that is correctly received, from among the multiple baseband signals generated by the multiple demodulating units, based on an error detection result obtained using a checksum.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: February 21, 2017
    Assignee: ROHM CO., LTD.
    Inventors: Masatoshi Watanabe, Manabu Miyata, Tatsuya Iwasaki, Tomoya Morinaga
  • Publication number: 20160288843
    Abstract: Contemplated are cost reduction and enhanced readiness of parts management related to right and left fenders. A work vehicle includes right and left fenders (16) each having a vertical plate member (18) covering an inner face of a traveling device from an inner side of a vehicle body and a top plate member (19) covering an upper portion of the traveling device (5) from above, wherein the top plate member (19) is configured to be front-rear symmetric, and each of the vertical plate member (18) and the top plate member (19) is configured to act as a right-left interchangeable member.
    Type: Application
    Filed: March 23, 2015
    Publication date: October 6, 2016
    Inventors: Hiroo Fujimoto, Masatoshi Watanabe, Takahiro Hisada
  • Publication number: 20160204335
    Abstract: A piezoelectric ceramic includes: a metal oxide represented by General Formula (1); and 0.04 parts by weight or more and 0.36 parts by weight or less of Mn and 0.042 parts by weight or more and 0.850 parts by weight or less of Bi on a metal basis relative to 100 parts by weight of the metal oxide, wherein the piezoelectric ceramic includes a plurality of first crystal grains having a perovskite structure, and a plurality of second crystal grains provided at a grain boundary between the first crystal grains and having a crystal structure different from that of the first crystal grain, and the second crystal grain mainly contains at least one metal oxide selected from Ba4Ti12O27 and Ba6Ti17O40. (Ba1-xCax)a(Ti1-yZry)O3??(1) (where 0.09?x?0.30, 0.025?y?0.085, 0.986?a?1.
    Type: Application
    Filed: January 6, 2016
    Publication date: July 14, 2016
    Inventors: Kanako Oshima, Masatoshi Watanabe, Tatsuya Suzuki, Mikio Shimada, Shinya Koyama, Yasushi Shimizu, Tatsuo Furuta, Hidenori Tanaka, Makoto Kubota, Jumpei Hayashi
  • Publication number: 20160134129
    Abstract: A transmission antenna includes a transmission coil, and transmits an electric power signal. A driver applies a driving signal to the transmission antenna. A first temperature sensor measures the temperature of the transmission coil, and generates a first temperature signal. A second temperature sensor measures the temperature of an interface surface on which an electronic device mounting a wireless power receiving apparatus is to be placed, and generates a second temperature signal. A control circuit controls the electric power signal according to the difference between the first temperature signal S11 and the second temperature signal.
    Type: Application
    Filed: December 28, 2015
    Publication date: May 12, 2016
    Inventors: Masatoshi WATANABE, Tomoya MORINAGA
  • Publication number: 20160129225
    Abstract: A needle cover including a cover main body including a needle introduction part and a needle introduction part. An opening is formed on a bottom side of the needle introduction part, and the needle protection part includes first and second needle protection parts on respective top and bottom sides. An opening is formed between the bottom side of the first needle protection part and the top side of the second needle protection part, and the first needle protection part and the second needle protection part are connected on the base side by a needle protection part connection unit and include a terminal opening on the terminal side. On the base side, a wing-fixing unit is formed on the first side and the second of the second needle protection part, and a locking part of the wing-fixing unit is formed on the terminal side.
    Type: Application
    Filed: July 29, 2013
    Publication date: May 12, 2016
    Applicant: KAWASUMI LABORATORIES, INC.
    Inventor: Masatoshi WATANABE
  • Patent number: 9261431
    Abstract: An engine control apparatus includes a stack detecting unit, a count processing unit, a stack value storage control unit, and an abnormality determination unit. The abnormality determination unit determines that a sensor has a stack abnormality when a count value by the count processing unit becomes equal to or more than an abnormality determination threshold. When maximum value of the detected value of the sensor detected during a determination period is lower than a value stored in a storage unit and a stack state has not been detected by the stack detecting unit during the determination period, the count processing unit does not count up a counter and does not reset the counter.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: February 16, 2016
    Assignees: FUJITSU TEN LIMITED, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masashi Shibayama, Masatoshi Watanabe, Yusuke Suzuki, Hiroshi Sawada
  • Patent number: 9257254
    Abstract: A transmissive target includes a target layer configured to include target metal and generate X-ray when receiving electrons and a substrate configured to support the target layer and include carbon as a main component. A carbide region including carbide of the target metal and a non-carbide region including the target metal are disposed in a mixed manner on a boundary surface between the substrate and the target layer on a target layer side.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: February 9, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takao Ogura, Shuji Yamada, Masatoshi Watanabe, Takeo Tsukamoto, Yoichi Ikarashi, Tadayuki Yoshitake
  • Patent number: 9253002
    Abstract: A non-contact power supply transmitter system 100 transmitting an electric power from a transmitting device (TX) 200 to a receiving device (RX) 300 with a non-contact power supply transmitter method, the TX 200 including: a transmitting coil 202; a driver 204 causing the transmitting coil to generate a power signal of the electromagnetic field; and an FSK modulation unit 240 transmitting an FSK signal Sf through the transmitting coil, the RX 300 including: a receiving coil 302; a rectifier circuit 320 rectifying an electric current induced by the receiving coil; an FSK demodulation unit 340 demodulating the FSK signal received through the receiving coil; and a controller 312 controlling so that a rectifying mode of the rectifier circuit is switched to a diode rectifying mode during the FSK communication. The non-contact power supply transmitter system 100 and the RX 300 can execute a stable FSK communication.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: February 2, 2016
    Assignee: ROHM CO., LTD.
    Inventors: Takashi Noguchi, Masatoshi Watanabe
  • Publication number: 20150253220
    Abstract: An engine control apparatus includes a stack detecting unit, a count processing unit, a stack value storage control unit, and an abnormality determination unit. The abnormality determination unit determines that a sensor has a stack abnormality when a count value by the count processing unit becomes equal to or more than an abnormality determination threshold. When maximum value of the detected value of the sensor detected during a determination period is lower than a value stored in a storage unit and a stack state has not been detected by the stack detecting unit during the determination period, the count processing unit does not count up a counter and does not reset the counter.
    Type: Application
    Filed: October 2, 2013
    Publication date: September 10, 2015
    Inventors: Masashi Shibayama, Masatoshi Watanabe, Yusuke Suzuki, Hiroshi Sawada
  • Publication number: 20150226642
    Abstract: This invention determines whether or not an internal combustion engine is not performing combustion. If the determined result is that the internal combustion engine is not performing combustion, a maximum in-cylinder pressure Pmax during motoring is identified by an in-cylinder pressure sensor, and a crank angle ?Pmax corresponding to the maximum in-cylinder pressure Pmax is detected by a crank angle sensor. Further, a reference crank angle ?Pmaxtgt corresponding to the engine speed and the engine load factor is identified, and ?Pmax is corrected so as to become ?Pmaxtgt. Furthermore, the relation between a signal of the crank angle sensor and a crank angle (measured value) corresponding to the signal is corrected so that a measured value of the crank angle corresponding to Pmax becomes the post-correction crank angle.
    Type: Application
    Filed: October 15, 2013
    Publication date: August 13, 2015
    Inventors: Shigeyuki Urano, Hiroshi Sawada, Yusuke Suzuki, Masatoshi Watanabe
  • Patent number: 9103923
    Abstract: An X-ray imaging apparatus and an X-ray imaging method for use in the X-ray imaging apparatus are provided. The X-ray imaging apparatus includes a separating element configured to spatially separate an X-ray generated by an X-ray generator unit and a scintillator array including a plurality of first scintillators arranged therein, where the separated X-rays are made incident on the first scintillators. Each of the first scintillators is configured to vary an intensity of fluorescence induced by the X-ray in accordance with an incident position of the X-ray. The X-ray imaging apparatus further includes a detector configured to detect the intensity of fluorescence emitted from the scintillator array.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: August 11, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masatoshi Watanabe, Taihei Mukaide, Kazuhiro Takada, Kazunori Fukuda
  • Patent number: 9067041
    Abstract: In a microcatheter, a shaft tube thereof is sectioned into a proximal zone, an intermediate zone, and a distal zone from a connector to the forward end thereof, each being formed of a multilayered tube, including three types of multilayered tubes different in hardness, an inner layer extending along all the zones from the proximal zone to the distal zone of the shaft tube, and a reinforcing material being fitted to the outer circumference of the inner layer, a first outer layer extending along all the zones from the proximal zone to the distal zone of the shaft tube so as to coat, and adhere to, the inner layer and the reinforcing material, to form a base layer structure of the inner layer/reinforcing material/first outer layer, a third outer layer coating the first outer layer of the base layer structure in the proximal zone, a second outer layer coating the first outer layer of the base layer structure in the intermediate zone.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: June 30, 2015
    Assignee: KAWASUMI LABORATORIES, INC.
    Inventors: Masatoshi Watanabe, Koji Horikawa
  • Patent number: 9058048
    Abstract: According to an embodiment, a voltage regulator having an output transistor, a voltage dividing circuit, an error amplifier, a detection circuit and a phase compensation capacitance circuit is provided. The output transistor has one end to which a power supply voltage is supplied, a control terminal to which a control signal is input, and the other end which outputs an output voltage. The voltage dividing circuit is connected between the other end of the output transistor and a first reference voltage. The error amplifier is configured to output the control signal according to the difference between a divided voltage and a second reference voltage. The detection circuit is configured to detect an operation environment. The phase compensation capacitance circuit is configured to adjust a phase compensation capacitance between the other end of the output transistor and an input terminal of the error amplifier, in accordance with the detected operation environment.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: June 16, 2015
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hansen Teong, Masayoshi Takahashi, Hirokazu Kadowaki, Masatoshi Watanabe, Kenji Kanamaru
  • Publication number: 20150162755
    Abstract: A rectifier circuit rectifies a current that flows through a reception coil. A smoothing capacitor is connected to the output of the rectifier circuit. A judgment unit generates a notification signal that corresponds to a comparison result obtained by comparing the voltage VRECT across the smoothing capacitor with a predetermined threshold voltage at a judgment timing. The judgment timing is positioned after the start of reception of a signal from a power supply apparatus.
    Type: Application
    Filed: February 13, 2015
    Publication date: June 11, 2015
    Inventors: Naoki INOUE, Daisuke UCHIMOTO, Masatoshi WATANABE
  • Patent number: 9046467
    Abstract: The invention is aimed to provide an X-ray imaging apparatus and the like ensuring a sufficient range of detecting the amount of X-ray movement with respect to the pixel size of a detector in comparison with the method disclosed in International Publication No. WO2008/029107. The X-ray imaging apparatus of the present invention has a splitting element which spatially linearly splits an X-ray beam; and a shielding unit which shields a part of the X-ray beam which is split by the splitting element and whose position is changed by a test object. The shielding unit has a region transmitting X-rays and a region having a shielding element shielding (blocking) X-rays. A dividing line between the X-ray transmitting region and the region having the shielding element is configured to be arranged obliquely so as to cross the linearly split X-ray beam.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: June 2, 2015
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Taihei Mukaide, Kazuhiro Takada, Kazunori Fukuda, Masatoshi Watanabe
  • Patent number: 9042517
    Abstract: To provide an X-ray imaging apparatus capable of easily adjusting the sensitivity or capable of easily extracting the amount of refraction of X-rays. An X-ray imaging apparatus irradiating an object to be measured with an X-ray beam from an X-ray source that generates X-rays of a first energy and X-rays of a second energy different from the first energy to measure an image of the object to be measured includes an attenuator and a detector. The attenuator attenuates the X-ray beam transmitted through the object to be measured and is configured so as to vary the amount of attenuation of the X-rays depending on a position on which the X-ray beam is incident. The detector detects the X-ray beam transmitted through the attenuator and is configured so as to detect the X-rays of the first energy and the second energy.
    Type: Grant
    Filed: April 19, 2011
    Date of Patent: May 26, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazunori Fukuda, Kazuhiro Takada, Taihei Mukaide, Masatoshi Watanabe
  • Patent number: 9031189
    Abstract: An X-ray imaging apparatus acquiring a differential phase contrast image of a test object without using a light-shielding mask for X-ray. The apparatus includes an X-ray source, a splitting element configured to spatially divide an X-ray emitted from an X-ray source and a scintillator configured to emit light when a divided X-ray beam divided at the splitting element is incident on the scintillator. The apparatus also includes a light-transmission limiting unit configured to limit transmitting amount of the light emitted from the scintillator and a plurality of light detectors each configured to detect the amount of light that has transmitted through the light-transmission limiting unit. The light-transmission limiting unit is configured such that a light intensity detected at each of the light detectors changes in response to a change in an incident position of the X-ray beam.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: May 12, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taihei Mukaide, Takashi Noma, Kazunori Fukuda, Masatoshi Watanabe, Kazuhiro Takada