Patents by Inventor Atsushi Yoshizawa

Atsushi Yoshizawa 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).

  • Device and method for non-orthogonal multiplexing
    Patent number: 10477555
    Abstract: Provided is a device including an acquisition unit to acquire that acquires information indicating a layer allocated to a terminal device among a plurality of layers that are subject to non-orthogonal multiplexing using a codebook and a reporting unit that reports the layer to the terminal device.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: November 12, 2019
    Assignee: SONY CORPORATION
    Inventor: Atsushi Yoshizawa
  • DEVICE
    Publication number: 20190261207
    Abstract: [Object] To make it possible to perform measurement reporting suitable for an environment in which the on/off state of a cell is switched. [Solution] There is provided a device including: an acquiring unit configured to acquire information indicating that a serving cell is scheduled to be in an off state; and a control unit configured to perform measurement reporting before the serving cell is in the off state.
    Type: Application
    Filed: May 2, 2019
    Publication date: August 22, 2019
    Applicant: Sony Corporation
    Inventors: Hiromasa UCHIYAMA, Hiroaki TAKANO, Atsushi YOSHIZAWA, Shinichiro TSUDA, Sho FURUICHI
  • ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND ELECTROPHOTOGRAPHIC CARTRIDGE AND IMAGE FORMING APPARATUS INCLUDING SAME
    Publication number: 20190219938
    Abstract: The present invention aims to provide an electrophotographic photoreceptor which is excellent in abrasion resistance against practical load and excellent in initial electrical properties, preferably further excellent in adhesion between layers by containing a polyester resin excellent in abrasion resistance, which is an electrophotographic photoreceptor containing a photosensitive layer and a conductive support, the electrophotographic photoreceptor containing a polyester resin having a specific structure ? with a number average molecular weight of 15,000 or less and containing a divalent phenol residue and a divalent carboxylic acid residue.
    Type: Application
    Filed: March 20, 2019
    Publication date: July 18, 2019
    Applicant: Mitsubishi Chemical Corporation
    Inventor: Atsushi YOSHIZAWA
  • Control device and control method for sparse code multiple access
    Patent number: 10355806
    Abstract: A device for controlling sparse code multiple access is described. The device includes a generation unit configured to generate, for each of a plurality of layers that are subject to non-orthogonal multiplexing using a codebook, a codeword of a layer from data of the layer on the basis of a codebook for a layer, and an adjustment unit configured to adjust a radio resource to be used in transmission of a signal element included in a multiplexed codeword obtained by multiplexing of codewords of the plurality of layers.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: July 16, 2019
    Assignee: SONY CORPORATION
    Inventor: Atsushi Yoshizawa
  • Device and method and program for performing radio communication
    Patent number: 10342003
    Abstract: To enable low latency uplink to be used in a more preferable mode can be provided. A device includes: a communication unit configured to perform radio communication; and a control unit configured to perform control such that control information is transmitted from the communication unit to a terminal, the control information indicating that a communication scheme in which data non-orthogonally multiplexed for a plurality of layers is demodulated through cancellation of interference between the layers and in which the data is transmitted from the terminal to a base station through a predetermined uplink resource, is available.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: July 2, 2019
    Assignee: SONY CORPORATION
    Inventor: Atsushi Yoshizawa
  • CIRCUIT, BASE STATION, METHOD, AND RECORDING MEDIUM
    Publication number: 20190180633
    Abstract: [Object] To provide a structure of wireless communication for a device which can fly freely in 3-dimensional space. [Solution] A circuit including: an acquiring unit configured to acquire altitude information indicating a measurement result of altitude; and a measurement report control unit configured to control measurement report processing of reporting a measurement report message including reference signal information indicating a measurement result of a reference signal transmitted from a base station and the altitude information to the base station on the basis of relationship between the altitude information acquired by the acquiring unit and altitude zone setting information.
    Type: Application
    Filed: August 15, 2017
    Publication date: June 13, 2019
    Applicant: Sony Corporation
    Inventors: Atsushi YOSHIZAWA, Hiromasa UCHIYAMA
  • Communication control device, communication control method, terminal device, and program
    Patent number: 10278221
    Abstract: There is provided a communication control device including a decision unit configured to decide radio resources available for inter-device communication within a cell, and a notification unit configured to notify a terminal device located within the cell of the radio resources. When the radio resources are modified, the notification unit gives notification of modification of the radio resources through paging. When the radio resources are modified, the radio resources before the modification refrain from being used for the inter-device communication after a predetermined timing and the radio resources after the modification are used for the inter-device communication after the predetermined timing.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: April 30, 2019
    Assignee: Sony Corporation
    Inventor: Atsushi Yoshizawa
  • RECEPTION DEVICE, TRANSMISSION DEVICE, RECEPTION METHOD, TRANSMISSION METHOD, AND PROGRAM
    Publication number: 20190109683
    Abstract: A transmission device that: allocates at least partially shared transmission parameters to at least a subset of a plurality of signals to which resource blocks are allocated, the resource blocks having at least partially overlapping frequency resources or time resources; and controls a transmission process of the plurality of signals based on the shared transmission parameters.
    Type: Application
    Filed: March 28, 2016
    Publication date: April 11, 2019
    Applicant: SONY CORPORATION
    Inventors: Ryota KIMURA, Hiroaki TAKANO, Hiromasa UCHIYAMA, Atsushi YOSHIZAWA, Yuichi MORIOKA, Ryo SAWAI
  • DEVICE AND METHOD
    Publication number: 20190059091
    Abstract: [Object] To provide a device capable of performing efficient resource sensing in V2X communication. [Solution] Provided is a device including a processing unit configured to perform sensing using one of first sensing of sensing resources for a predetermined period and selecting communication resources on a basis of a result of the sensing and second sensing of selecting communication resources on a basis of a result of decoding control information transmitted by another user with reference to a mapping table at the time of the first sensing and the second sensing.
    Type: Application
    Filed: February 23, 2017
    Publication date: February 21, 2019
    Applicant: Sony Corporation
    Inventors: Yifu TANG, Hiromasa Uchiyama, Hiroaki Takano, Atsushi Yoshizawa, Kazuyuki Shimezawa
  • Communication control device and communication control method
    Patent number: 10212655
    Abstract: [Object] To make it possible to perform on/off control suitable for individual base stations with a lighter load. [Solution] There is provided a communication control device including an acquisition unit configured to acquire information indicating a sleep mode selected for a target base station from a plurality of sleep modes for setting a base station in a sleep state, and an application unit configured to apply the sleep mode selected for the target base station to the target base station.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: February 19, 2019
    Assignee: SONY CORPORATION
    Inventors: Hiromasa Uchiyama, Hiroaki Takano, Nishiki Mizusawa, Atsushi Yoshizawa, Ryo Sawai
  • Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image forming apparatus
    Patent number: 10203616
    Abstract: The present invention relates to an electrophotographic photoreceptor comprising: a conductive support; and a photosensitive layer on the conductive support, wherein the photosensitive layer contains a charge transport substance, a binder resin, and a compound which has a molecular weight of equal to or less than 350, and is represented by General Formula (1).
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: February 12, 2019
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Atsushi Yoshizawa, Wataru Miyashita, Mitsuo Wada, Akiteru Fujii, Takayuki Shouda
  • APPARATUS AND METHOD
    Publication number: 20190044773
    Abstract: [Object] To provide a mechanism capable of appropriately notifying the reception side of the resource setting for GFDM modulation on the transmission side. [Solution] An apparatus including: a processing unit configured to variably set at least any of bandwidth of a subcarrier or time length of a subsymbol in a first resource, and store information indicating setting content of the first resource in a second resource in which predetermined values are set for the bandwidth of the subcarrier and the time length of the subsymbol.
    Type: Application
    Filed: November 29, 2016
    Publication date: February 7, 2019
    Applicant: SONY CORPORATION
    Inventor: Atsushi YOSHIZAWA
  • ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC PHOTORECEPTOR CARTRIDGE, IMAGE FORMING APPARATUS, AND DISPERSANT FOR FLUORORESIN
    Publication number: 20190033734
    Abstract: The invention relates to an electrophotographic photoreceptor which is excellent in abrasion resistance and electrical properties by using a fluororesin and a polymer containing a structure represented by a specific formula, and has a long life span, an electrophotographic photoreceptor cartridge and an image forming apparatus including the electrophotographic photoreceptor, and a dispersant which is excellent in dispersibility of a fluororesin particle, and the electrical properties, and the compatibility with a binder resin.
    Type: Application
    Filed: September 27, 2018
    Publication date: January 31, 2019
    Applicant: Mitsubishi Chemical Corporation
    Inventor: Atsushi YOSHIZAWA
  • Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, image forming apparatus, and polyarylate resin
    Patent number: 10185237
    Abstract: An electrophotographic photoreceptor comprises a conductive support and, at least a photosensitive layer on the conductive support, wherein the photosensitive layer includes a polyarylate resin and the polyarylate resin has a repeating structure represented by formula (1), and the amount of bisphenol residues represented by formula (3) after the polyarylate resin is hydrolyzed, is 0.2% to 1%, in terms of intensity ratio, based on the total amount of bisphenol residues represented by formula (2) and formula (3) after the polyarylate resin is hydrolyzed, the bisphenol residues being detected with a gas chromatograph employing a hydrogen flame ionization detector (FID).
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: January 22, 2019
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Akiteru Fujii, Rui Zhao, Yuka Nagao, Atsushi Yoshizawa, Yuuta Kumano
  • APPARATUS AND METHOD
    Publication number: 20190021024
    Abstract: [Object] To set a minimum unit of a transmission time in communication via wireless communication in a further preferred form in accordance with conditions. [Solution] An apparatus including: a communication unit that performs wireless communication; and a control unit that decides a minimum unit of a transmission time in communication via the wireless communication on a basis of a first processing time that is decided in accordance with a terminal apparatus and a second processing time that is decided in accordance with a communication environment.
    Type: Application
    Filed: January 19, 2017
    Publication date: January 17, 2019
    Applicant: SONY CORPORATION
    Inventor: Atsushi YOSHIZAWA
  • APPARATUS, METHOD, AND PROGRAM
    Publication number: 20190020515
    Abstract: An apparatus that can make a success of demodulation on the reception side even if the restrictions on the resource setting are lifted. The apparatus includes: a processing unit configured to variably set at least any of a number of subcarriers or a number of subsymbols included in a unit resource including one or more subcarriers or one or more subsymbols, and set a filter coefficient that is applied in accordance with different rules which depend on whether the number of subsymbols included in the unit resource is an even number or an odd number.
    Type: Application
    Filed: November 16, 2016
    Publication date: January 17, 2019
    Applicant: SONY CORPORATION
    Inventors: Atsushi YOSHIZAWA, Yukitoshi SANADA, Yuka ENJOJI, Yuta AKAI
  • COMMUNICATION TERMINAL, COMMUNICATION METHOD, BASE STATION AND COMMUNICATION SYSTEM
    Publication number: 20180343700
    Abstract: Provided is a communication terminal including a timing detection unit that detects arrival of timing according to a configured cycle, a condition determination unit that determines whether or not a shared condition shared with a base station is satisfied, and a communication controller that controls reception of paging when the timing detection unit detects the arrival of timing and the condition determination unit determines that the shared condition is satisfied.
    Type: Application
    Filed: August 7, 2018
    Publication date: November 29, 2018
    Inventor: ATSUSHI YOSHIZAWA
  • APPARATUS, METHOD, AND PROGRAM
    Publication number: 20180331869
    Abstract: [Object] To provide a mechanism which is capable of more efficiently suppressing the out-of-band frequency distortion component which may occur in GFDM. [Solution] An apparatus including: a processing unit configured to perform filtering on data of a predetermined value and transmission data for every predetermined number of subcarriers, the data of the predetermined value being mapped to a subsymbol of an end portion in a time direction in a unit resource including one or more subcarriers and multiple subsymbols, the transmission data being mapped to another subsymbol in the unit resource.
    Type: Application
    Filed: August 9, 2016
    Publication date: November 15, 2018
    Inventor: ATSUSHI YOSHIZAWA
  • Communication terminal, communication method, base station and communication system
    Patent number: 10123363
    Abstract: Provided is a communication terminal including circuitry that detects arrival of timing according to a configured cycle, determines whether or not a shared condition shared with a base station is satisfied, and controls reception of paging when the arrival of timing is detected and the shared condition is determined to be satisfied.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: November 6, 2018
    Assignee: SONY CORPORATION
    Inventor: Atsushi Yoshizawa
  • Device and method
    Patent number: 10070329
    Abstract: [Object] To make it possible to suppress a decrease in occasions on which a frequency band shared between a cellular system and a wireless LAN can be used in the wireless LAN. [Solution] There is provided a device including an acquisition unit configured to acquire measurement information of a frequency band shared between a cellular system and a wireless local area network (LAN), the measurement information being provided by an access point of the wireless LAN, and a control unit configured to decide a time for which the frequency band is occupied for the cellular system based on the measurement information.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: September 4, 2018
    Assignee: SONY CORPORATION
    Inventor: Atsushi Yoshizawa