Patents by Inventor Takeshi Nakashima

Takeshi Nakashima 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).

  • Patent number: 10439732
    Abstract: A receiving device receives a received signal in which a data signal, modulated by using a phase modulation method, and a pilot signal are time-multiplexed. The receiving device includes a synchronizing circuit that synchronizes the phase of the received signal. The synchronizing circuit extracts a pilot signal from the received signal. The synchronizing circuit estimates a phase error by comparing the extracted pilot signal and a predetermined pattern. The synchronizing circuit conducts phase rotation on constellation points of the received signal in accordance with the reference phase, obtained from the phase error, and the phase in the modulation method related to the received signal. The synchronizing circuit estimates a phase estimate value of the received signal in accordance with the constellation points, on which phase rotation has been conducted. The synchronizing circuit compensates for a phase error of the received signal in accordance with the phase estimate value.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: October 8, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Tomofumi Oyama, Takeshi Hoshida, Hisao Nakashima
  • Patent number: 10433570
    Abstract: According to the present invention, a method for recovering useful fish meat proteins from waste water generated during fish paste or fishmeal production is provided. The provided is a method for recovering water-soluble proteins from fish paste leaching waste water or stick water, comprising: adjusting the pH of fish paste leaching waste water or stick water to 4.5-5.5 to insolubilize water-soluble proteins; heating the insolubilized proteins to 30° C. to 90° C. to cause the proteins to flocculate so as to form flocs; subjecting the flocs to solid-liquid separation using a decanter centrifuge during heating; and recovering proteins in the form of solid content.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: October 8, 2019
    Assignee: MARUHA NICHIRO CORPORATION
    Inventors: Kazuya Shirota, Ryusuke Nakashima, Shin-ichiro Nishimoto, Kenji Funaki, Takeshi Suzuki, Itaru Kawada
  • Patent number: 10419263
    Abstract: A transmission system includes a first transponder including a first I/Q modulator, and a second transponder including a second I/Q modulator, and configured to communicate with the first transponder using a frequency modulation scheme, wherein the first transponder is configured to set a first phase rotation mode in a first state for first light signal output from the first I/Q modulator, and transmit, to the second transponder, a first command to specify a second phase rotation mode for second light signal output from the second I/Q modulator, and the second transponder is configured to set, in response to the first command, the second phase rotation mode in a state specified by the first command.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: September 17, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Yi Ge, Takeshi Hoshida, Hisao Nakashima, Yuichi Akiyama
  • Patent number: 10393162
    Abstract: A manufacturing method for a joint part in which a first metal piece and a second metal piece are joined to each other by performing welding by irradiating a high-energy beam to a joint surface on which the first metal piece and the second metal piece face each other, the first metal piece including a first flow path for passage of a fluid provided at a specific depth from a surface on a side exposed to the high-energy beam, the second metal piece including a second flow path for passage of the fluid provided at a specific depth from the surface on the side exposed to the high-energy beam, and the first flow path and the second flow path being coupled to each other on the joint surface.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: August 27, 2019
    Assignee: AISIN AW CO., LTD.
    Inventors: Takashi Iwama, Hiroyuki Ono, Takeshi Torii, Keisuke Nakashima, Yusuke Miyamoto, Tetsuya Aoyama
  • Patent number: 10396900
    Abstract: A method of controlling a transmission signal, includes transmitting a training signal including four polarization states having a given relation; and performing rotation control and transmission power level control of a polarization component of a data signal, based on a rotation control matrix for a polarization state and an inverse-operation control matrix for a power level imbalance, which are estimated from Stokes parameters related to input power level present on a Poincare sphere acquired from the training signal and Stokes parameters related to output power level present on the Poincare sphere.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: August 27, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Guoxiu Huang, Setsuo Yoshida, Takeshi Hoshida, Hisao Nakashima, Shoichiro Oda
  • Patent number: 10374703
    Abstract: A transmission device includes: a receiving unit that receives an optical signal; an acquiring unit that acquires spectrum information from the optical signal, the spectrum information relating to a spectrum of the optical signal; and a narrowing calculating unit that calculates an index value for narrowing of a band of the optical signal by calculating a sampling timing error in accordance with the spectrum information, the sampling timing error being an error when a clock signal is extracted from the optical signal.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: August 6, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Shoichiro Oda, Takeshi Hoshida, Hisao Nakashima, Yi Ge
  • Publication number: 20190219740
    Abstract: The present invention provides a layered body for organic electroluminescence which is excellent in the hardness, the transparency and the folding-durable performance. The present invention is a layered body for organic electroluminescence in which an optical layered body is laminated on one surface of an organic electroluminescence layer and which is not cracked or fractured when a test in which the entire area of the layered body for organic electroluminescence is folded 180 degrees at 20 mm intervals is repeated 100,000 times.
    Type: Application
    Filed: March 20, 2019
    Publication date: July 18, 2019
    Inventors: Tomoyuki HORIO, Masataka NAKASHIMA, Hiroshi NAKAMURA, Jun SATO, Takeshi NISHIZONO
  • Patent number: 10348407
    Abstract: There is provided a receiving device including a hardware processor configured to demodulate a signal into which a first signal and a second signal are wavelength-multiplexed, into a first baseband signal and a second baseband signal corresponding to the first signal and the second signal, respectively, extract, from the second baseband signal, a signal component of crosstalk from the second signal to the first signal, shift a frequency of the extracted signal component, and compensate for the crosstalk from the second signal to the first signal, based on the extracted signal component shifted by the frequency.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: July 9, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Hisao Nakashima, Takeshi Hoshida
  • Patent number: 10348015
    Abstract: A socket connector includes a socket substrate having first socket substrate conductors and second socket substrate conductors, receptacle contacts electrically coupled to corresponding first socket substrate conductors and socket contacts electrically coupled to corresponding second socket substrate conductors. The receptacle contacts have receptacles receiving pin contacts of an electronic package and the socket contacts have terminating ends and mating ends with deflectable spring beams terminated to package contacts of the electronic package. At least one of the first socket substrate conductors and the second socket substrate conductors are configured to electrically connect the electronic package with the host circuit board.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: July 9, 2019
    Assignees: TE Connectivity Corporation, Tyco Electronics Japan G.K.
    Inventors: Jeffery Walter Mason, Takeshi Nakashima, Naoki Hashimoto, Shigeru Aihara
  • Patent number: 10341027
    Abstract: An optical transmitter includes, a processor that receives an input data signal from an outside and performs rotation processing for periodically or repeatedly rotating a polarization state or phase of the optical output signal upon the input data signal, an optical modulator that modulates light transmitted from a light source based on the input data signal, a digital-to-analog converter that converts an output of the processor into an analog electric signal, a driving circuit that amplifies an output of the digital-to-analog converter and drives the optical modulator, and a monitoring control circuit that monitors an optical output signal output from the optical modulator and adjusts at least one of an output of the digital-to-analog converter and a gain of the driving circuit based on a result of monitoring of the optical output signal.
    Type: Grant
    Filed: July 15, 2018
    Date of Patent: July 2, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Guoxiu Huang, Hisao Nakashima, Yuichi Akiyama, Takeshi Hoshida
  • Patent number: 10312227
    Abstract: First and second element pairs formed by connecting FWDs and MOSFETs in antiparallel are connected in series and sealed by resin to configure a core module. In the core module, a first drain electrode, a first source electrode, a second drain electrode, and a second source electrode are exposed to the surface. A cover with terminals is put on the core module. At this time, each of the direct-current positive electrode terminal, the direct-current negative electrode terminal, and the alternating-current terminal of the cover with terminals is electrically connected to each of the first drain electrode, the second source electrode, and the first source electrode and the second drain electrode.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: June 4, 2019
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yukio Nakashima, Takeshi Tanaka
  • Publication number: 20190150311
    Abstract: A socket connector includes a socket assembly having a socket frame, a socket substrate coupled to the socket frame and socket contacts terminated to the socket substrate. The socket substrate has first and second upper mating areas including first and second socket substrate conductors for mating with an electronic package and an electrical component, respectively. The socket contacts define an interface with the electronic package. The socket assembly is configured to electrically connect the electronic package with both a host circuit board and the electrical component.
    Type: Application
    Filed: March 30, 2018
    Publication date: May 16, 2019
    Inventors: Jeffery Walter Mason, Alex An, Takeshi Nakashima, Naoki Hashimoto, Shigeru Aihara
  • Publication number: 20190148859
    Abstract: A socket connector includes a socket assembly having a socket substrate and socket contacts. The socket substrate has first and second upper mating areas and a first lower mating area. The socket substrate has first and second socket substrate conductors at the first and second upper mating areas, respectively, and third socket substrate conductors at the first lower mating area electrically connected to corresponding first socket substrate conductors. The first socket substrate conductors are electrically connected to an electronic package, the second socket substrate conductors are electrically connected to an electrical component and the third socket substrate conductors are electrically connected to a host circuit board. The socket assembly is configured to electrically connect the electronic package with both the host circuit board and the electrical component.
    Type: Application
    Filed: March 30, 2018
    Publication date: May 16, 2019
    Inventors: Jeffery Walter Mason, Takeshi Nakashima, Naoki Hashimoto
  • Publication number: 20190148860
    Abstract: A socket connector includes a socket substrate having first socket substrate conductors and second socket substrate conductors, receptacle contacts electrically coupled to corresponding first socket substrate conductors and socket contacts electrically coupled to corresponding second socket substrate conductors. The receptacle contacts have receptacles receiving pin contacts of an electronic package and the socket contacts have terminating ends and mating ends with deflectable spring beams terminated to package contacts of the electronic package. At least one of the first socket substrate conductors and the second socket substrate conductors are configured to electrically connect the electronic package with the host circuit board.
    Type: Application
    Filed: March 30, 2018
    Publication date: May 16, 2019
    Inventors: Jeffery Walter Mason, Takeshi Nakashima, Naoki Hashimoto, Shigeru Aihara
  • Patent number: 10288773
    Abstract: The present invention provides a layered body for organic electroluminescence which is excellent in the hardness, the transparency and the folding-durable performance. The present invention is a layered body for organic electroluminescence in which an optical layered body is laminated on one surface of an organic electroluminescence layer and which is not cracked or fractured when a test in which the entire area of the layered body for organic electroluminescence is folded 180 degrees at 20 mm intervals is repeated 100,000 times.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: May 14, 2019
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Tomoyuki Horio, Masataka Nakashima, Hiroshi Nakamura, Jun Sato, Takeshi Nishizono
  • Publication number: 20190134815
    Abstract: An interference determination method is provided to compute whether or not a robot that operates according to a motion path will interfere with a nearby object. A first orientation, a second orientation, and an intermediate orientation of the robot are set, and a first combined approximated body is generated that is configured by combining a plurality of robot approximated bodies, which are obtained by approximating the shape of the robot in these orientations. If it is determined that the robot will interfere with the nearby object, whether to generate a combined approximated body that is smaller than the first combined approximated body is determined based on the amount indicating the interval between two adjacent robot approximated bodies.
    Type: Application
    Filed: September 20, 2018
    Publication date: May 9, 2019
    Applicant: OMRON Corporation
    Inventors: Haruka FUJII, Akane NAKASHIMA, Takeshi KOJIMA, Kennosuke HAYASHI
  • Publication number: 20180248389
    Abstract: An electricity storage system is connected to a power conditioner (PCS) connected to a system power supply and includes: a main body which includes a first storage battery module that stores power supplied from the PCS, a casing that encloses the first storage battery module, and a first terminal unit that is used to supply the power; and a portable unit which is attachable to and detachable from the first terminal unit and includes a second terminal unit that is electrically connectable to the first terminal unit and receives the power supplied from the main body, and a second storage battery module that has a storage capacity less than the first storage battery module and is charged with the power supplied from the main body via the second terminal unit, and the first terminal unit is located on the side of a side surface of the casing.
    Type: Application
    Filed: February 21, 2018
    Publication date: August 30, 2018
    Inventors: Shoichi TOYA, Takeshi NAKASHIMA, Yohei YAMADA, Masaharu KAWAKATSU
  • Publication number: 20180248376
    Abstract: In a power conversion system, a first control unit acquires monitor data from a first power storage unit, notifies a second control unit of a remaining capacity of the first power storage unit, and sets an output voltage of a first DC-AC conversion unit. The second control unit controls an output current of a second DC-AC conversion unit to bring the remaining capacity of the first power storage unit and a remaining capacity of the second power storage unit closer to each other on the basis of a total current supplied to a load, the remaining capacity of the first power storage unit, and the remaining capacity of the second power storage unit.
    Type: Application
    Filed: April 27, 2018
    Publication date: August 30, 2018
    Inventors: Yuichiro Teramoto, Tomohiko Toyonaga, Toshiya Iwasaki, Takeshi Nakashima
  • Patent number: 9437988
    Abstract: An electrical connector is provided with a first ground contact and a second ground contact. The first ground contact includes a first ground coupling portion and a pair of first ground contact portions extending substantially orthogonal from the first ground coupling portion. The pair of first ground contact portions includes a first upper ground contact portion stepped from a first lower ground contact portion. The second ground contact includes a second ground coupling portion and a pair of second ground contact portions extending substantially orthogonal from the second ground coupling portion. The pair of second ground contact portions includes a second upper ground contact portion stepped from a second lower ground contact portion. The second ground contact is positioned with the first ground contact such that their respective upper or lower ground contact portions are adjacent to each other.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: September 6, 2016
    Assignees: Tyco Electronics Corporation, Tyco Electronics Japan G.K.
    Inventors: James L. McGrath, Takeshi Nakashima, Izumi Hasegawa, Isao Igarashi
  • Patent number: 9397493
    Abstract: In the present invention, a main switch circuit (13) is provided between an electric power line (PL), to which voltage outputted from a solar cell (11) is applied, and a battery module (12). A protection circuit (19) turns OFF the main switch circuit (13) to protect the battery module (12) from overcharging when the voltage (VBAT) of the battery module (12) is equal to or greater than an upper limit voltage. The voltage outputted from the solar cell (11) is set so as to be greater than the upper limit voltage to allow the battery module (12) to be charged to the upper limit voltage. When a charge ON command signal has been received, a control unit (18) turns ON only a sub-switch circuit (14) to introduce current from the solar cell (11) into a parallel circuit (15) and to suppress the voltage (VPL) of the power line (PL) to less than the upper limit voltage before turning ON the main switch circuit (13).
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: July 19, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tomomichi Nakai, Takeshi Nakashima, Kazuo Ishimoto, Hiroshi Saeki