Patents by Inventor Kazuaki Ando

Kazuaki Ando 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: 11970483
    Abstract: The present invention aims to provide a compound that may be useful for the prophylaxis or treatment of constipation and the like. The present invention provides a compound represented by the formula (I): wherein R1 is a hydrogen atom, a halogen atom, an optionally substituted C1-6 alkyl group, or an optionally substituted C1-6 alkoxy group; and ring A is an optionally further substituted ring, or a salt thereof.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: April 30, 2024
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Shinobu Sasaki, Yasutomi Asano, Kazuaki Takami, Masaki Seto, Haruhi Ando
  • Publication number: 20240102688
    Abstract: An indoor unit included in an air conditioner that includes an outdoor unit includes a power receiving circuit (PR2), a low-frequency transmission and reception circuit as a first reception circuit, a high-frequency transmission and reception circuit as a transmission and reception circuit, and an inner-controller. The low-frequency transmission and reception circuit receives a current signal transmitted from an outdoor unit by using a current loop formed by a power line included in power supply wiring. For a first communication state in which physical connection between with the outdoor unit is recognized and a second communication state in which communication for operation of the air conditioner is performed between with the outdoor unit, the inner-controller selects use of the low-frequency transmission and reception circuit and the high-frequency transmission and reception circuit in the first communication state and the second communication state.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 28, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Ryosuke YAMAMOTO, Yohei KOYAMA, Youta KATOU, Kazuaki ANDO, Taiki KOGAWA, Shin HIGASHIYAMA, Kosuke HOTTA, Shinichi ISHIZEKI, Toshiaki KUMATA
  • Patent number: 9819366
    Abstract: A wireless communication device including: a mixer configured to generate two mixed signal in a lower frequency band than a frequency of a local signal and two mixed signals in a higher frequency band than the frequency of the local signal by mixing the local signal with two intermediate frequency signals, and a filter configured to pass one of the two mixed signal in the lower frequency band and one of the two mixed signal in the higher frequency band.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: November 14, 2017
    Assignee: FUJITSU LIMITED
    Inventors: Kazuaki Ando, Tokuro Kubo
  • Publication number: 20170111062
    Abstract: A wireless communication device including: a mixer configured to generate two mixed signal in a lower frequency band than a frequency of a local signal and two mixed signals in a higher frequency band than the frequency of the local signal by mixing the local signal with two intermediate frequency signals, and a filter configured to pass one of the two mixed signal in the lower frequency band and one of the two mixed signal in the higher frequency band.
    Type: Application
    Filed: October 17, 2016
    Publication date: April 20, 2017
    Inventors: Kazuaki ANDO, Tokuro KUBO
  • Patent number: 9608501
    Abstract: A rotary electric machine is a rotary electric machine including a stator of a distributed winding type including a plurality of first slots, in each of which winding wires of a plurality of same phases or a winding wire of one phase are arranged, and a plurality of second slots, in each of which winding wires of a plurality of different phases are arranged. The total number of turns in each of the first slots is same as one another. The total number of turns in each of the second slots is same as one another. The total number of turns in the first slot and the total number of turns in the second slot are different from each other.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: March 28, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shinichi Yamaguchi, Koki Naka, Kazuaki Ando
  • Publication number: 20170054339
    Abstract: A stator of a rotary electrical machine according to the invention includes a core back, a plurality of teeth, a plurality of slots, and a coil. The coil is configured by a plurality of conductor wires. Between inside of the slot and outside of the slot, the plurality of conductor wires are bent at an angle smaller than 180° in a circumferential direction of the core back, and between the bent part and the inside of the slot, the plurality of conductor wires are bent in the circumferential direction of the core back and in an opposite direction to a bending direction of the bent part.
    Type: Application
    Filed: April 24, 2014
    Publication date: February 23, 2017
    Applicant: Mitsubishi Electric Corporation
    Inventors: Masaya HARAKAWA, Kenta OZAKI, Shinichi YAMAGUCHI, Kentaro HORISAKA, Kazuaki ANDO, Koki NAKA
  • Patent number: 9565621
    Abstract: An information processing device, includes: a memory configured to store data of one or more indices of radio quality at a plurality of points; and a processor coupled to the memory and configured to: identify one or more points among the plurality of points other than a current location of a mobile terminal that requests communication, and determine whether to permit the communication based on statistical information obtained from the one or more indices of the radio quality at the one or more points.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: February 7, 2017
    Assignee: FUJITSU LIMITED
    Inventors: Toshiro Sawamoto, Kazuaki Ando, Hiroyuki Seki
  • Publication number: 20170013474
    Abstract: A processor configured to select a first propagation scheme when a distance over which a radio wave transmitted from a transmission device in the second system at a frequency not used by the first system can travel from a position of the transmission device is greater than a threshold, and select a second propagation scheme resulting in a propagation distance smaller than a propagation distance of the first propagation scheme when the distance over which the radio wave can travel is smaller than the threshold. The processor configured to calculate a propagation distance of the transmission radio wave by using a propagation scheme selected by the selection unit, and to determine that the second system can utilize the transmission radio wave when a propagation distance of the transmission device does not reach a propagation scope of a radio wave of a frequency that can be used by the first system.
    Type: Application
    Filed: September 22, 2016
    Publication date: January 12, 2017
    Applicant: FUJITSU LIMITED
    Inventors: Kazuaki Ando, Hiroyuki Seki
  • Patent number: 9515528
    Abstract: A permanent magnet rotary electric machine includes: a stator in which a plurality of teeth and a plurality of slots are formed on an inner periphery of a cylindrical stator core, and a winding wire is wound around the teeth so as to be disposed in the slots; and a rotor disposed in a hollow portion of the stator with an air gap between the rotor and the stator. In the rotor, 2n or more (n is a natural number equal to or larger than 1) radial projections are provided on an outer periphery of a rotor core, and a ferrite magnet is disposed between adjacent projections. A radial height of the projection is less than a thickness of middle of the ferrite magnet.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: December 6, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shinichi Yamaguchi, Yoshiki Maeda, Kazuaki Ando, Koki Naka, Masaya Harakawa
  • Patent number: 9462509
    Abstract: A communication system includes: a base station configured to perform radio communication with a mobile station; and a control device configured to control a rate of transferring data to the base station based on a radio quality between the mobile station and the base station. A control device includes: a memory; and a processor coupled to the memory and configured to: obtain a radio quality between a mobile station and a base station that performs radio communication with the mobile station; and control a rate of transferring data to the base station based on the radio quality.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: October 4, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Yoshiharu Tajima, Naoyuki Saito, Kazuaki Ando, Michiharu Nakamura
  • Publication number: 20160254713
    Abstract: A permanent magnet rotary electric machine includes: a stator in which a plurality of teeth and a plurality of slots are formed on an inner periphery of a cylindrical stator core, and a winding wire is wound around the teeth so as to be disposed in the slots; and a rotor disposed in a hollow portion of the stator with an air gap between the rotor and the stator. In the rotor, 2n or more (n is a natural number equal to or larger than 1) radial projections are provided on an outer periphery of a rotor core, and a ferrite magnet is disposed between adjacent projections. A radial height of the projection is less than a thickness of middle of the ferrite magnet.
    Type: Application
    Filed: January 6, 2014
    Publication date: September 1, 2016
    Applicant: Mitsubishi Electric Corporation
    Inventors: Shinichi YAMAGUCHI, Yoshiki MAEDA, Kazuaki ANDO, Koki NAKA, Masaya HARAKAWA
  • Patent number: 9413200
    Abstract: A stator according to the present invention includes: a cylindrical stator core; a plurality of tooth portions provided along a circumferential direction of the stator core; and windings disposed in a plurality of slots provided between the tooth portions and wound around the tooth portions. The windings are configured by materials having different electrical resistivities. A ratio of a sectional area of a material having a high electrical resistivity to a sectional area of a material having a low electrical resistivity in the slot is equal to or larger than 1 and equal to or smaller than a ratio of the electrical resistivity of the material having the high electrical resistivity to the electrical resistivity of the material having the low electrical resistivity.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: August 9, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kentaro Horisaka, Koki Naka, Shinichi Yamaguchi, Masaya Harakawa, Kazuaki Ando, Kenta Ozaki
  • Patent number: 9363848
    Abstract: A communication control device includes a traffic monitoring unit, the number of ranks calculation unit, a rank value calculation unit, a communication control unit, and a download unit. The traffic monitoring unit monitors a traffic amount between a content server and a base station. The number of ranks calculation unit calculates the number of rank values that servers as a reference for determining a download destination mobile station of data based on a monitoring result by the traffic monitoring unit. The rank value calculation unit calculates the rank value for each mobile station using the number and radio communication quality of a plurality of mobile stations. The communication control unit determines the download destination mobile station in order from a mobile station having a high rank value at a determination timing. The download unit downloads the data to the mobile station determined as the download destination.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: June 7, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Yoshiharu Tajima, Kazuaki Ando, Michiharu Nakamura
  • Patent number: 9323254
    Abstract: A motor control apparatus includes a torque-limit output unit configured to output a torque limit with which power consumption of a motor is equal to or smaller than a predetermined motor power limit value and voltage amplitude required for driving the motor is equal to or smaller than a predetermined voltage limit, a position-command generating unit configured to generate a position command to a reference position according to the torque limit value, and a power/voltage limiting unit configured to perform processing for correcting a motor torque current on the basis of an excess of the motor power consumption with respect to a motor power consumption limit value and processing for correcting a motor excitation current on the basis of an excess of a motor torque divided voltage with respect to a motor torque divided voltage limit value.
    Type: Grant
    Filed: January 16, 2012
    Date of Patent: April 26, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shinichi Furutani, Kazuaki Ando, Akira Tanabe
  • Patent number: 9319927
    Abstract: A communication control apparatus includes a communication quality determining unit, a rank value calculating unit, and a download control unit. The communication quality determining unit acquires wireless communication qualities of a plurality of mobile stations. The rank value calculating unit calculates a reference value to determine mobile stations to be data download destinations by using the wireless communication qualities acquired by the acquiring unit, compares the reference values of the respective mobile stations at a first time point, and determines mobile stations to be the data download destinations in order from a mobile station whose reference value is the highest based on results of the comparison. The download control unit downloads data to the mobile stations determined as the data download destinations by the rank value calculating unit.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: April 19, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Yoshiharu Tajima, Kazuaki Ando, Michiharu Nakamura
  • Publication number: 20160105061
    Abstract: A stator according to the present invention includes: a cylindrical stator core; a plurality of tooth portions provided along a circumferential direction of the stator core; and windings disposed in a plurality of slots provided between the tooth portions and wound around the tooth portions. The windings are configured by materials having different electrical resistivities. A ratio of a sectional area of a material having a high electrical resistivity to a sectional area of a material having a low electrical resistivity in the slot is equal to or larger than 1 and equal to or smaller than a ratio of the electrical resistivity of the material having the high electrical resistivity to the electrical resistivity of the material having the low electrical resistivity.
    Type: Application
    Filed: May 20, 2013
    Publication date: April 14, 2016
    Applicant: Mitsubishi Electric Corporation
    Inventors: Kentaro HORISAKA, Koki NAKA, Shinichi YAMAGUCHI, Masaya HARAKAWA, Kazuaki ANDO, Kenta OZAKI
  • Patent number: 9294987
    Abstract: In a radio communication system in which a radio communication apparatus performs communication with another apparatus via a radio relay apparatus, a communication quality value indicating communication quality between the radio communication apparatus and the radio relay apparatus is measured, a threshold for deciding a level of the communication quality is determined on the basis of a past tendency of the communication quality value, and transmission of contents between the radio communication apparatus and the other apparatus is blocked while a present value of the communication quality is smaller than the threshold.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: March 22, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Yoshiharu Tajima, Kazuaki Ando, Michiharu Nakamura, Yoshinori Tanaka
  • Patent number: 9246661
    Abstract: A control apparatus in a communication system including a base station and terminals, the control apparatus including: a memory, and a processor coupled the memory and configured to receive data addressed to M terminals (where M is a natural number equal to or greater than 2) of the terminals, and to transmit the received data to the base station, such that N terminals (where N is a natural number less than M) of the M terminals are scheduled in the same timing by the base station.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: January 26, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Yoshiharu Tajima, Naoyuki Saito, Kazuaki Ando
  • Patent number: 9241279
    Abstract: A communication control apparatus that controls a wireless communication between a base station and a terminal, the communication control apparatus including: a memory configured to store combinations of each of threshold values, each of areas, and each of realtimenesses, and a processor configured to obtain a specified threshold value of the threshold values by referring the combinations in accordance with a specified area and a specified realtimeness, the specified area being one of the areas where the terminal is located, the specified realtimeness being one of the realtimenesses and being information which indicates how long a delay time from requesting a data communication to performing the data communication is acceptable, and to permit the terminal the data communication, when a channel quality between the terminal and the base station is better than the specified threshold value.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: January 19, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Kazuaki Ando, Dai Kimura
  • Publication number: 20150326084
    Abstract: A rotary electric machine is a rotary electric machine including a stator of a distributed winding type including a plurality of first slots, in each of which winding wires of a plurality of same phases or winding wires of one phase are arranged, and a plurality of second slots, in each of which winding wires of a plurality of different phases are arranged. The total number of turns in each of the first slots is same as one another. The total number of turns in each of the second slots is same as one another. The total number of turns in the first slot and the total number of turns in the second slot are different from each other.
    Type: Application
    Filed: December 13, 2012
    Publication date: November 12, 2015
    Applicant: Mitsubishi Electric Corporation
    Inventors: Shinichi YAMAGUCHI, Koki NAKA, Kazuaki ANDO