Patents by Inventor Tsuyoshi Sato

Tsuyoshi Sato 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: 20210227408
    Abstract: Provided is a mobile terminal testing apparatus capable of executing a test for putting any pseudo base station out of service during state transition, such as during handover or during position registration. A mobile terminal testing apparatus includes a plurality of pseudo base station units 18-1, 18-2, and 18-3 that simulate a plurality of base stations, and a scenario processing unit 17 that controls the pseudo base station units 18-1, 18-2, and 18-3 in compliance with a set scenario to execute a test. The scenario processing unit 17 puts the pseudo base station units 18-1, 18-2, and 18-3 set as a base station executing an out-of-service test out of service in a case where a message set as a message to execute the out-of-service test is transmitted from the pseudo base station units 18-1, 18-2, and 18-3 set as a base station transmitting the message to execute the out-of-service test.
    Type: Application
    Filed: December 9, 2020
    Publication date: July 22, 2021
    Inventors: Nami TAKIGUCHI, Tsuyoshi SATO, Kenji FUJITA
  • Publication number: 20210128403
    Abstract: Embodiments relate to lower limb massage systems having portions forming an L-shaped interior. Tubular portion includes first end section and upper left and right walls. Elongated portion includes second end section and front top and bottom walls. Corner portion is formed between tubular and elongated portions. Corner portion includes lower left and right walls and rear top and bottom walls. First expandable member forms the front top wall portion, and is expandable towards the elongated portion interior. Second expandable member forms the rear top wall portion, and is expandable towards the corner portion interior. Protruding members are positionable below the rear bottom wall and actuatable to protrude towards the corner portion interior. Second expandable member and protruding members cooperate to apply pressure on the bottom of the foot. Protruding members rotate around an axis perpendicular to a line drawn between second end section and bend section of the corner portion.
    Type: Application
    Filed: March 15, 2017
    Publication date: May 6, 2021
    Inventors: Kia Tong Tan, Ken Tamaki, Tsuyoshi Sato
  • Publication number: 20200403582
    Abstract: A matching network is a matching network of a power amplifier circuit that outputs a signal obtained by a differential amplifier amplifying power of a high-frequency signal. The matching network includes an input-side winding connected between differential outputs of the differential amplifier; an output-side winding that is coupled to the input-side winding via an electromagnetic field and whose one end is connected to a reference potential; a first LC series resonant circuit including a capacitive element and an inductive element connected in series with each other, and being connected in parallel with the input-side winding; and a second LC series resonant circuit including a capacitive element and an inductive element connected in series with each other, and being connected in parallel with the output-side winding.
    Type: Application
    Filed: September 3, 2020
    Publication date: December 24, 2020
    Inventors: Kiichiro TAKENAKA, Masahiro ITO, Tsuyoshi SATO, Kozo SATO, Hidetoshi MATSUMOTO
  • Patent number: 10825435
    Abstract: A pivot mechanism includes: a shaft portion; a bearing configured to contact the shaft portion and pivot about a pivot axis; and a reinforcement protruding from an outer circumferential surface of the shaft portion. The outer circumferential surface includes a first region contactable by the bearing in a range of its pivotal movement and a second region not including the first region in a region opposed to the first region via the pivot axis. The reinforcement extends from at least a portion of the second region to an outside of the bearing in a pivot-axis direction.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: November 3, 2020
    Assignee: YAMAHA CORPORATION
    Inventors: Hirotsugu Kamiya, Shunsuke Ichiki, Tsuyoshi Sato
  • Publication number: 20200315419
    Abstract: A vacuum cleaner includes a primary dust container that includes a container body, the container body delineating a dust collecting chamber that accumulates dust sucked into the vacuum cleaner and including a waste outlet that discharges the dust accumulated in the dust collecting chamber, the primary dust container also including a waste-outlet lid that opens and closes the waste outlet. A station includes a secondary dust container that accumulates the dust discharged from the primary dust container, and a driving source that generates opening driving force and closing driving force for the waste outlet. The electric vacuum cleaner generates a driving force for opening and closing an air passage connecting a primary dust container and a secondary dust container, without impairing convenience of a vacuum cleaner.
    Type: Application
    Filed: June 2, 2017
    Publication date: October 8, 2020
    Applicant: TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATION
    Inventors: Tsuyoshi SATO, Masatoshi TANAKA, You TORIZAWA, Yukio MACHIDA, Hiromitsu ICHIKAWA, Hiromitsu MURATA, Takayoshi SHIMIZU, Yuuji OHTSUKA
  • Patent number: 10797657
    Abstract: A matching network is a matching network of a power amplifier circuit that outputs a signal obtained by a differential amplifier amplifying power of a high-frequency signal. The matching network includes an input-side winding connected between differential outputs of the differential amplifier; an output-side winding that is coupled to the input-side winding via an electromagnetic field and whose one end is connected to a reference potential; a first LC series resonant circuit including a capacitive element and an inductive element connected in series with each other, and being connected in parallel with the input-side winding; and a second LC series resonant circuit including a capacitive element and an inductive element connected in series with each other, and being connected in parallel with the output-side winding.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: October 6, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kiichiro Takenaka, Masahiro Ito, Tsuyoshi Sato, Kozo Sato, Hidetoshi Matsumoto
  • Patent number: 10736806
    Abstract: A massage chair includes a backrest, and two sets of massage arms assembled with the backrest and spaced apart from each other along a transversal axis of the backrest, each set including a first and a second massage arm that respectively have a first and a second contact member and are movable relative to each other. The method includes positioning the two sets of the massage arms such that at least the first contact members of the first massage arms contact a desired region of a user's body, actuating the two sets of the massage arms to perform a sequence of kneading pulses or a continuous kneading displacement from a wide state to a narrow state to apply a gripping action on the user's body, and stopping the two sets of the massage arms in the narrow state for a period of time to maintain the gripping action on the user's body.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: August 11, 2020
    Assignees: OSIM INTERNATIONAL LTD, DAITO ELECTRIC MACHINE INDUSTRY CO., LTD
    Inventors: Kia Tong Tan, Tsuyoshi Sato, Yasushi Sone
  • Patent number: 10717949
    Abstract: Provided is an alkaline protease mutant with improved stability to a chelating agent. An alkaline protease mutant, in which an amino acid residue at a position corresponding to position 294 of the amino acid sequence as shown in SEQ ID NO: 2 is substituted in the amino acid sequence as shown in SEQ ID NO: 2, or an amino acid sequence having an identity of at least 95% thereto.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: July 21, 2020
    Assignee: Kao Corporation
    Inventors: Kozo Yamada, Tsuyoshi Sato
  • Publication number: 20200154967
    Abstract: An electric vacuum cleaner apparatus includes: a station, an electric vacuum cleaner attachable to the station, and plural attaching detectors which can detect the electric vacuum cleaner is attached in the station. The electric vacuum cleaner includes a cleaner body; a tubular part connected to the cleaner body and sucks in dust; and a primary dust container that stores dust sucked in with the tubular part. The station includes a secondary dust container that stores dust discharged from the primary dust container. The electric vacuum cleaner apparatus permits transfer of dust from the primary dust container to the secondary dust container when at least two of the plural attaching detectors have detected the attaching of the electric vacuum cleaner to the station.
    Type: Application
    Filed: June 18, 2018
    Publication date: May 21, 2020
    Applicant: TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATION
    Inventors: Tsuyoshi SATO, Masatoshi TANAKA, Yukio MACHIDA
  • Publication number: 20200138255
    Abstract: An electric vacuum cleaner apparatus includes: an electric vacuum cleaner; a primary dust container that separates and accumulates dust from dust-containing air to be sucked into the electric vacuum cleaner; a waste-outlet lid that opens and closes a waste outlet that discharges the dust from the primary dust container; a station that can store the electric vacuum cleaner; a secondary dust container including the station and fluidly connected to the primary dust container through the waste outlet when storing the electric vacuum in the station; a secondary electric blower that transfers dust from the primary dust container to the secondary dust container by applying negative pressure to the primary dust container through the secondary dust container; and a drive source that generates opening and closing drive force of the waste-outlet lid. The closing drive force is generated after the secondary electric blower stops generating the negative pressure for transferring the dust.
    Type: Application
    Filed: June 22, 2018
    Publication date: May 7, 2020
    Applicant: TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATION
    Inventors: Tsuyoshi SATO, Masatoshi TANAKA, Yukio MACHIDA
  • Patent number: 10634574
    Abstract: A balance inspection device includes a bearing housing in which a bearing supporting a rotary shaft is provided, a jig that is disposed on one side of the bearing housing in a direction of a rotation axis and houses an impeller in an impeller housing space formed therein, a spray nozzle that is provided on the jig and includes a tip opened to the impeller housing space, and a gas supply unit that supplies gas to the spray nozzle. The spray nozzle is adapted to spray the gas from the tip while the gas supplied from the gas supply unit has a circumferential component opposite to a rotational direction of the impeller.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: April 28, 2020
    Assignee: IHI Corporation
    Inventors: Kenkichi Murata, Seiji Yoshimura, Tsuyoshi Sato, Yuki Kurotaki
  • Patent number: 10615839
    Abstract: First to fourth circuits are connected to corresponding first to fourth antenna terminals. The first to fourth circuits transmit and receive a signal of TDD and a signal of FDD. The first to fourth circuits transmit and receive a signal of MIMO. The third circuit receives a signal of a satellite positioning system. The lower limit of the frequency of the signal received by the third circuit and the fourth circuit is higher than the lower limit of the frequency of the signal received by the first circuit and the second circuit.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: April 7, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Tsuyoshi Sato, Hidetoshi Matsumoto, Kiichiro Takenaka, Masahiro Ito, Satoshi Tanaka
  • Publication number: 20200087439
    Abstract: The present invention relates to a method for producing a biopolyether polyol, which is a copolymerization reaction of tetrahydrofuran and 2-methyltetrahydrofuran in a monomer ratio (by mass) of 85/15 to 50/50, and the resulting polyether polyol of 100% plant origin having a number-average molecular weight of 500-5000. In addition, a polyurethane resin, which is the product of a synthetic reaction having as the main reactants the above polyether polyol of 100% plant origin, a polyisocyanate compound, and a chain extender that reacts with isocyanate groups, has a change in storage modulus (E?) in the low temperature range (0° C.) with respect to normal temperature (20° C.) of within 0-15%.
    Type: Application
    Filed: March 29, 2018
    Publication date: March 19, 2020
    Inventors: Yohei GOTO, Tsuyoshi SATO, Yuo MARUYAMA
  • Patent number: 10594341
    Abstract: A high-frequency-signal transceiver circuit transmits and receives a signal between first to sixth antenna terminals and terminals near a high-frequency circuit. The high-frequency-signal transceiver circuit includes first to sixth circuits connected to the corresponding first to sixth antenna terminals. One of the first to sixth circuits transmits and receives only a signal of time division multiplexing communication.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: March 17, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Tsuyoshi Sato, Hidetoshi Matsumoto, Kiichiro Takenaka, Masahiro Ito, Satoshi Tanaka
  • Patent number: 10547276
    Abstract: A power amplifier circuit includes a Doherty amplifier including a divider that divides a first signal into a second signal and a third signal, a carrier amplifier that amplifies the second signal and outputs a fourth signal, a peak amplifier that amplifies the third signal and outputs a fifth signal, a combiner that combines the fourth signal and the fifth signal and outputs an amplified signal of the first signal, a first bias circuit that supplies a first bias current or voltage to the carrier amplifier, and a second bias circuit that supplies a second bias current or voltage corresponding to a control signal to the peak amplifier; and a control circuit that supplies the control signal corresponding to a level of the second signal to the second bias circuit. The control circuit includes a detecting unit, an output unit, and a filter circuit.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: January 28, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Masahiro Ito, Tsuyoshi Sato, Kiichiro Takenaka, Hidetoshi Matsumoto
  • Patent number: 10531779
    Abstract: An electric vacuum cleaning apparatus that offers a high degree of convenience is provided that is capable of easily switching between a function that empties dust from an electric vacuum cleaner by moving dust collected by the cleaner to a station and accumulating the dust at the station, and a function that accumulates dust that is swept up together after quickly performing localized cleaning using an cleaning implement other than the cleaner at the station.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: January 14, 2020
    Assignee: Toshiba Lifestyle Products & Services Corporation
    Inventors: Yukio Machida, Masatoshi Tanaka, Satoshi Ohshita, Hiromitsu Ichikawa, Tsuyoshi Sato
  • Publication number: 20190378486
    Abstract: A pivot mechanism includes: a shaft portion; a bearing configured to contact the shaft portion and pivot about a pivot axis; and a reinforcement protruding from an outer circumferential surface of the shaft portion. The outer circumferential surface includes a first region contactable by the bearing in a range of its pivotal movement and a second region not including the first region in a region opposed to the first region via the pivot axis. The reinforcement extends from at least a portion of the second region to an outside of the bearing in a pivot-axis direction.
    Type: Application
    Filed: August 26, 2019
    Publication date: December 12, 2019
    Inventors: Hirotsugu KAMIYA, Shunsuke ICHIKI, Tsuyoshi SATO
  • Patent number: 10454434
    Abstract: A communication unit includes a first input terminal to which a first transmission signal based on a first communication standard is input, a second input terminal to which a second transmission signal based on a second communication standard is input, a first transmission signal amplifier circuit outputting a first amplified transmission signal, or outputting a second amplified transmission signal, a first input-output terminal outputting the first amplified transmission signal or the second amplified transmission signal, and at least one of a first reception signal and a second reception signal inputted to the first input-output terminal, a first reception signal amplifier circuit performing at least one of operation of outputting a first amplified reception signal and operation of outputting a second amplified reception signal, a first output terminal outputting the first amplified reception signal, and a second output terminal outputting the second amplified reception signal.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: October 22, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Tsuyoshi Sato, Hidetoshi Matsumoto, Kiichiro Takenaka, Masahiro Ito, Satoshi Tanaka, Takahiro Katamata
  • Patent number: 10439560
    Abstract: Provided is a power amplification module that includes: a first power amplifier that amplifies a first signal and outputs a second signal; and a first noise removing circuit that is inputted with a first voltage supplied from a DC-DC converter, removes noise from the first voltage in order to generate a second voltage, and outputs the second voltage as a power supply voltage of the first power amplifier.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: October 8, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Tsuyoshi Sato, Kiichiro Takenaka
  • Publication number: 20190253086
    Abstract: A high-frequency-signal transceiver circuit transmits and receives a signal between first to sixth antenna terminals and terminals near a high-frequency circuit. The high-frequency-signal transceiver circuit includes first to sixth circuits connected to the corresponding first to sixth antenna terminals. One of the first to sixth circuits transmits and receives only a signal of time division multiplexing communication.
    Type: Application
    Filed: February 13, 2019
    Publication date: August 15, 2019
    Inventors: Tsuyoshi SATO, Hidetoshi MATSUMOTO, Kiichiro TAKENAKA, Masahiro ITO, Satoshi TANAKA