Patents by Inventor Shinji Masuda

Shinji Masuda 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: 20220168440
    Abstract: A novel antibody-pyrrolobenzodiazepine (PBD) derivative conjugate, a medicine having therapeutic effect against tumor with the antibody-drug conjugate, and a method for treating a tumor by using the antibody-drug conjugate or medicine.
    Type: Application
    Filed: March 24, 2020
    Publication date: June 2, 2022
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Narihiro TODA, Yusuke OTA, Fuminao DOI, Masaki MEGURO, Ichiro HAYAKAWA, Shinji ASHIDA, Takeshi MASUDA, Takashi NAKADA
  • Patent number: 11343132
    Abstract: A radio transmission device includes: a known signal generating unit that generates a first known signal and a second known signal mapped in such a manner that subcarriers for transmitting a first signal not being 0 do not overlap with each other in symbols of one time band; an IDFT unit that converts the first known signal and the second known signal from a frequency domain signal into a time domain signal; a GI inserting unit that inserts a guard interval into the first known signal and the second known signal converted into time domain signals; a transmission antenna that transmits the first known signal in which the guard interval is inserted; and a transmission antenna that transmits the second known signal in which the guard interval is inserted.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: May 24, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shusaku Umeda, Shinji Masuda, Kazumasa Suzuki
  • Publication number: 20220014550
    Abstract: An object is to provide a monitor device capable of reducing threat of DoS attacks on a mobile network. A monitor device (10) according to the present invention includes a signal monitor unit (11) for estimating a specific base station communicating with a communication terminal (30) attacking a mobile network according to the number of times an ATTACH procedure is rejected, in which the ATTACH procedure is for registering information about a communication terminal (30) communicating with a base station (20) in a communication device (40) located in the mobile network, and a base station control unit (12) for causing the specific base station to determine whether to execute the ATTACH procedure related to a communication terminal served by the specific base station according to communication terminal identification information set in a signal transmitted from the communication terminal served by the specific base station.
    Type: Application
    Filed: September 23, 2021
    Publication date: January 13, 2022
    Applicant: NEC Corporation
    Inventors: Kazuaki NAKAJIMA, Shinji MASUDA, Toshiyuki TAMURA, Hidemi ISHIKAWA, Masayuki SHINSHO
  • Patent number: 11218252
    Abstract: A base station, which is a transmission device according to the present invention, includes a space-time block coding unit that performs space-time block coding on a transmission symbol to generate a transmission block, a differential unit that performs a differential operation on the transmission block, a code multiplication unit that multiplies the transmission block by a code, a selection unit that selects one of the transmission block after the differential operation and the transmission block after the code multiplication, and wireless transmission units that transmit the transmission block selected.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: January 4, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shinji Masuda, Satoshi Sasaki
  • Patent number: 11190541
    Abstract: An object is to provide a monitor device capable of reducing threat of DoS attacks on a mobile network. A monitor device (10) according to the present invention includes a signal monitor unit (11) for estimating a specific base station communicating with a communication terminal (30) attacking a mobile network according to the number of times an ATTACH procedure is rejected, in which the ATTACH procedure is for registering information about a communication terminal (30) communicating with a base station (20) in a communication device (40) located in the mobile network, and a base station control unit (12) for causing the specific base station to determine whether to execute the ATTACH procedure related to a communication terminal served by the specific base station according to communication terminal identification information set in a signal transmitted from the communication terminal served by the specific base station.
    Type: Grant
    Filed: July 4, 2016
    Date of Patent: November 30, 2021
    Assignee: NEC CORPORATION
    Inventors: Kazuaki Nakajima, Shinji Masuda, Toshiyuki Tamura, Hidemi Ishikawa, Masayuki Shinsho
  • Publication number: 20210111834
    Abstract: A base station, which is a transmission device according to the present invention, includes a space-time block coding unit that performs space-time block coding on a transmission symbol to generate a transmission block, a differential unit that performs a differential operation on the transmission block, a code multiplication unit that multiplies the transmission block by a code, a selection unit that selects one of the transmission block after the differential operation and the transmission block after the code multiplication, and wireless transmission units that transmit the transmission block selected.
    Type: Application
    Filed: June 15, 2017
    Publication date: April 15, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Shinji MASUDA, Satoshi SASAKI
  • Patent number: 10958496
    Abstract: A transmitter includes: a first mapping unit to allocate modulation symbols to orthogonal frequency division multiplexing subcarriers; a first differential block coding unit to perform differential block coding on a part of the modulation symbols allocated; a second differential block coding unit to perform, by using output of the first differential block coding unit as a start symbol, differential block coding on a remaining modulation symbol excluding the part of the modulation symbols subjected to differential block coding by the first differential block coding unit; and a second mapping unit to convert output of the second differential block coding unit into a transmit signal that is transmitted from a plurality of antennas.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: March 23, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventor: Shinji Masuda
  • Publication number: 20210083920
    Abstract: A radio transmission device includes: a known signal generating unit that generates a first known signal and a second known signal mapped in such a manner that subcarriers for transmitting a first signal not being 0 do not overlap with each other in symbols of one time band; an IDFT unit that converts the first known signal and the second known signal from a frequency domain signal into a time domain signal; a GI inserting unit that inserts a guard interval into the first known signal and the second known signal converted into time domain signals; a transmission antenna that transmits the first known signal in which the guard interval is inserted; and a transmission antenna that transmits the second known signal in which the guard interval is inserted.
    Type: Application
    Filed: December 1, 2020
    Publication date: March 18, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Shusaku UMEDA, Shinji MASUDA, Kazumasa SUZUKI
  • Publication number: 20210067393
    Abstract: A transmitter includes: a first mapping unit to allocate modulation symbols to orthogonal frequency division multiplexing subcarriers; a first differential block coding unit to perform differential block coding on a part of the modulation symbols allocated; a second differential block coding unit to perform, by using output of the first differential block coding unit as a start symbol, differential block coding on a remaining modulation symbol excluding the part of the modulation symbols subjected to differential block coding by the first differential block coding unit; and a second mapping unit to convert output of the second differential block coding unit into a transmit signal that is transmitted from a plurality of antennas.
    Type: Application
    Filed: February 20, 2018
    Publication date: March 4, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventor: Shinji MASUDA
  • Publication number: 20200382168
    Abstract: A wireless communication system includes: base stations that are a plurality of transmission devices that transmits signals including different known sequences using a same frequency; and a mobile station that is a reception device that performs channel estimation using a reception signal received from at least one of the plurality of transmission devices, an average time parameter, and at least one of a plurality of the known sequences corresponding to the plurality of transmission devices, and removes an interference signal included in the reception signal using a result of the channel estimation, the average time parameter being a parameter related to channel estimation accuracy and determined based on a moving speed of a moving one of the reception device that receives the reception signal and the transmission devices that transmits the reception signal.
    Type: Application
    Filed: August 14, 2020
    Publication date: December 3, 2020
    Applicant: Mitsubishi Electric Corporation
    Inventors: Satoshi SASAKI, Akinori NAKAJIMA, Shinji MASUDA, Hiroyasu SANO
  • Publication number: 20200127765
    Abstract: A transmitter according to the present invention includes: a mapping unit that generates modulation symbols by modulating a transmission bit sequence; a DSTBC coding unit that generates coded symbols by performing differential space-time block coding on the modulation symbols; a code conversion unit that performs, on the coded symbols, a conversion process selected from among a plurality of conversion processes; and an antenna that transmits the coded symbols after the conversion process.
    Type: Application
    Filed: May 10, 2017
    Publication date: April 23, 2020
    Applicant: Mitsubishi Electric Corporation
    Inventors: Satoshi SASAKI, Hiroyasu SANO, Shinji MASUDA
  • Patent number: 10377241
    Abstract: Includes electric motor (330) driving driving wheel (610) , speed control unit (300) controlling driving of electric motor (330) based on instructed speed ?r*, brake control unit (400) controlling hydraulic brake (500) applying mechanical braking to an electromotive vehicle, speed sensor (340) detecting traveling speed ?r of the electromotive vehicle, and determination unit (200) determining whether the mechanical braking needs to be applied in response to the difference between instructed speed ?r* and traveling speed ?r, and controlling operation of brake control unit (400) based on the determination result. Determination unit (200) determines that mechanical braking needs to be applied when instructed speed ?r* indicates deceleration and traveling speed ?r is higher than instructed speed ?r* , and performs control so that brake control unit (400) works hydraulic brake (500).
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: August 13, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Shuji Inoue, Shinji Masuda, Ryouji Oonishi, Hajime Homma
  • Patent number: 10313974
    Abstract: A base station includes a wakeup signal transmission part transmitting transmission signal information to a wireless terminal by wireless communication. The transmission signal information includes a wakeup signal starting a given function included by the wireless terminal. The wakeup signal transmission part transmits the transmission signal information including connection information in addition to the wakeup signal to the wireless terminal. The connection information is information for causing the wireless terminal of a destination of transmission of the wakeup signal to connect by wireless communication using the given function.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: June 4, 2019
    Assignees: NEC COMMUNICATION SYSTEMS, LTD., NEC CORPORATION
    Inventors: Yukihiro Hara, Yohei Miyama, Tomonori Kumagai, Shinji Masuda, Kenki Takagi
  • Publication number: 20180309783
    Abstract: An object is to provide a monitor device capable of reducing threat of DoS attacks on a mobile network. A monitor device (10) according to the present invention includes a signal monitor unit (11) for estimating a specific base station communicating with a communication terminal (30) attacking a mobile network according to the number of times an ATTACH procedure is rejected, in which the ATTACH procedure is for registering information about a communication terminal (30) communicating with a base station (20) in a communication device (40) located in the mobile network, and a base station control unit (12) for causing the specific base station to determine whether to execute the ATTACH procedure related to a communication terminal served by the specific base station according to communication terminal identification information set in a signal transmitted from the communication terminal served by the specific base station.
    Type: Application
    Filed: July 4, 2016
    Publication date: October 25, 2018
    Applicant: NEC CORPORATION
    Inventors: Kazuaki NAKAJIMA, Shinji MASUDA, Toshiyuki TAMURA, Hidemi ISHIKAWA, Masayuki SHINSHO
  • Publication number: 20180020072
    Abstract: A communication system (1) includes an intervention apparatus (10) that performs a predetermined process on a main content that is exchanged between endpoint apparatus, and an intervention control unit (20) that controls whether or not to cause the intervention apparatus to perform the predetermined process on the main content that is exchanged between a first endpoint apparatus and a second endpoint apparatus.
    Type: Application
    Filed: December 10, 2015
    Publication date: January 18, 2018
    Applicant: NEC Corporation
    Inventors: Shinji MASUDA, Tomonori KUMAGAI, Toshiyuki TAMURA
  • Publication number: 20170355266
    Abstract: Includes electric motor (330) driving driving wheel (610) , speed control unit (300) controlling driving of electric motor (330) based on instructed speed ?r*, brake control unit (400) controlling hydraulic brake (500) applying mechanical braking to an electromotive vehicle, speed sensor (340) detecting traveling speed ?r of the electromotive vehicle, and determination unit (200) determining whether the mechanical braking needs to be applied in response to the difference between instructed speed ?r* and traveling speed ?r, and controlling operation of brake control unit (400) based on the determination result. Determination unit (200) determines that mechanical braking needs to be applied when instructed speed ?r* indicates deceleration and traveling speed ?r is higher than instructed speed ?r* , and performs control so that brake control unit (400) works hydraulic brake (500) .
    Type: Application
    Filed: August 28, 2017
    Publication date: December 14, 2017
    Inventors: Shuji INOUE, Shinji MASUDA, Ryouji OONISHI, Hajime HOMMA
  • Publication number: 20160337024
    Abstract: A base station of a communication system including the base station forming a communication area partly overlapping a communication area of another station and a control station controlling the base station includes: a data reception unit that receives same data as data transmitted from the control station to the another station from the control station; a phase rotation amount information reception unit that receives phase rotation amount information from the control station; a phase offset unit that assigns phase rotation to the data on a basis of the phase rotation amount information input from the phase rotation amount information reception unit; and a transmission unit that transmits the data to which the phase rotation is assigned.
    Type: Application
    Filed: June 4, 2014
    Publication date: November 17, 2016
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shinji MASUDA, Hiroyasu SANO
  • Publication number: 20160295512
    Abstract: A base station includes a wakeup signal transmission part transmitting transmission signal information to a wireless terminal by wireless communication. The transmission signal information includes a wakeup signal starting a given function included by the wireless terminal. The wakeup signal transmission part transmits the transmission signal information including connection information in addition to the wakeup signal to the wireless terminal. The connection information is information for causing the wireless terminal of a destination of transmission of the wakeup signal to connect by wireless communication using the given function.
    Type: Application
    Filed: September 5, 2014
    Publication date: October 6, 2016
    Applicants: NEC Communication Systems, Ltd, NEC Corporation
    Inventors: Yukihiro HARA, Yohei MIYAMA, Tomonori KUMAGAI, Shinji MASUDA, Kenki TAKAGI
  • Publication number: 20160212593
    Abstract: A relay apparatus includes a first and second communication units. The first communication unit repeatedly attempts communication with portable communication terminals located in a communication range of the relay apparatus, and receives, from each of the portable communication terminals with which communication is established, terminal identification information for identifying each of the portable communication terminal. The second communication unit transmits moving object identification information to an information processing apparatus as in-range information along with the terminal identification information received by the first communication unit whenever the first communication unit attempts communication. The information processing apparatus includes an in-range information storage unit and an update unit. The in-range information storage unit stores the in-range information received from the second communication unit of the relay apparatus.
    Type: Application
    Filed: July 30, 2014
    Publication date: July 21, 2016
    Applicant: NEC CORPORATION
    Inventors: Shinji Masuda, Tomonori Kumagai
  • Patent number: 7568663
    Abstract: An electronic apparatus that is protected from theft, and is provided with panels having excellent operability and viewability. The apparatus comprises a hosing, and a first panel and second panel provided on the front face side of the housing. An operation section is provided on one face of the first panel, a display section is provided on one face of the second panel, and a panel cover that can hide the front face of the housing is provided on the other face of the first panel. A slider is provided in the housing, and the slider is movable in forward and backward directions of the housing.
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: August 4, 2009
    Assignee: Kabushiki Kaisha Kenwood
    Inventors: Manabu Takagi, Shinji Masuda