Patents by Inventor Yusuke Asai

Yusuke Asai 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: 20210250110
    Abstract: A measuring robot (1) measures radio waves using a radio wave measuring unit (11) at a measurement point.
    Type: Application
    Filed: June 5, 2019
    Publication date: August 12, 2021
    Inventors: Ryo Miyatake, Kohei Suzaki, Yusuke Asai, Hiroyuki Shiba
  • Publication number: 20210239785
    Abstract: An interference source hunting method of hunting for an interference source of electromagnetic waves while moving between multiple measurement points, includes the steps of acquiring strength information of electromagnetic waves, estimating a distance from the measurement point to the location of the interference source, based on the strength information, calculating a first presence probability that the interference source is present at each position, based on whether a distance from the measurement point to the position is within the distance, updating second presence probabilities acquired in hunting in the past, based on the first presence probabilities, determining a position obtained by moving, by a predetermined distance, the measurement point toward a position with the second presence probability higher than the second presence probability at the measurement point, as a new measurement point, and determining, in a case where a size of an area in which each of the second presence probabilities is great
    Type: Application
    Filed: May 21, 2019
    Publication date: August 5, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kohei SUZAKI, Ryo MIYATAKE, Yusuke ASAI, Hiroyuki SHIBA
  • Patent number: 11025313
    Abstract: Interference in preamble signals and pilot signals in cooperative transmission using interference suppressing technology is avoided. A wireless apparatus for transmitting a wireless signal on which directivity control has been performed to stations in a wireless system including at least one wireless apparatus is provided with a known signal generating unit which generates a known signal to be added to the wireless signal, a weighting processing unit which performs weighting on the known signal generated by the known signal generating unit, and a wireless processing unit which transmits the known signal on which the weighting has been performed by the weighting processing unit.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: June 1, 2021
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Tomoki Murakami, Yusuke Asai, Riichi Kudo, Koichi Ishihara, Masato Mizoguchi, Takeo Ichikawa
  • Publication number: 20210160707
    Abstract: A mobile station control method by a computer for controlling a first mobile station for communicating with a second mobile station includes: distance detecting of detecting a distance between the first mobile station and the second mobile station; and first switching of switching a beam width of an electromagnetic wave emitted from the first mobile station to the second mobile station switching a beam width of an electromagnetic wave emitted from the first mobile station to the second mobile station the distance.
    Type: Application
    Filed: June 11, 2019
    Publication date: May 27, 2021
    Inventors: Kohei Suzaki, Yusuke Asai, Hiroyuki Shiba
  • Publication number: 20210134005
    Abstract: A control device mounted in a first mobile body that includes a camera and an antenna includes: the camera configured to operate such that a direction of an optical axis of the camera and an oriented direction of the antenna are linked to each other; an identification unit configured to identify a second mobile body through image recognition from a captured image captured by the camera operating; and an antenna control unit configured to control the oriented direction of the antenna such that a position of the identified second mobile body in the captured image is a predetermined position.
    Type: Application
    Filed: June 5, 2019
    Publication date: May 6, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kohei SUZAKI, Yusuke ASAI, Hiroyuki SHIBA
  • Publication number: 20210051678
    Abstract: A wireless communication system includes a base station including a base station side generation unit configured to generate information on radio wave environment on the basis of an uplink radio signal, a model unit configured to store, for each piece of known information, learning model data with which information on communication quality can be generated with a throughput equal to or less than a threshold value, a selection unit configured to select the learning model data on the basis of the known information, and a transmission unit configured to transmit the learning model data and a downlink radio signal, and a terminal including a model acquisition unit configured to acquire the learning model data, a terminal side generation unit configured to generate the information on the radio wave environment on the basis of a downlink radio signal, a measurement unit configured to generate the information on the communication quality on the basis of the learning model data and the information on the radio wave e
    Type: Application
    Filed: February 13, 2019
    Publication date: February 18, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kohei SUZAKI, Ryo MIYATAKE, Yusuke ASAI, Hiroyuki SHIBA
  • Publication number: 20200394091
    Abstract: A failure analysis support system calculates a failure analysis period based on a metric performance value of a bottleneck candidate resource and a metric base value corresponding to the metric performance value, identifies a bottleneck candidate related resource related to the bottleneck candidate resource by referring to inter-resource relation information, calculates an evaluation value of the bottleneck candidate related resource based on a metric performance value of the bottleneck candidate related resource and a metric base value corresponding to the metric performance value, identifies a to-be-displayed bottleneck candidate related resource from the bottleneck candidate related resource based on the evaluation value, and displays a mutual relationship between display resources including a base point resource, a base point-related resource, the bottleneck candidate resource, and the to-be-displayed bottleneck candidate related resource, and a status of the display resources at each time point in the fa
    Type: Application
    Filed: March 10, 2020
    Publication date: December 17, 2020
    Applicant: Hitachi, Ltd.
    Inventors: Arata KOKUBUN, Yusuke ASAI, Takaki KURODA, Masashi YAKU, Hironobu SAKATA, Taiki EIRAKU, Hidenobu MURAMATSU
  • Publication number: 20200373974
    Abstract: Interference in preamble signals and pilot signals in cooperative transmission using interference suppressing technology is avoided. A wireless apparatus for transmitting a wireless signal on which directivity control has been performed to stations in a wireless system including at least one wireless apparatus is provided with a known signal generating unit which generates a known signal to be added to the wireless signal, a weighting processing unit which performs weighting on the known signal generated by the known signal generating unit, and a wireless processing unit which transmits the known signal on which the weighting has been performed by the weighting processing unit.
    Type: Application
    Filed: August 10, 2020
    Publication date: November 26, 2020
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Tomoki MURAKAMI, Yusuke ASAI, Riichi KUDO, Koichi ISHIHARA, Masato MIZOGUCHI, Takeo ICHIKAWA
  • Patent number: 10778296
    Abstract: Interference in preamble signals and pilot signals in cooperative transmission using interference suppressing technology is avoided. A wireless apparatus for transmitting a wireless signal on which directivity control has been performed to stations in a wireless system including at least one wireless apparatus is provided with a known signal generating unit which generates a known signal to be added to the wireless signal, a weighting processing unit which performs weighting on the known signal generated by the known signal generating unit, and a wireless processing unit which transmits the known signal on which the weighting has been performed by the weighting processing unit.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: September 15, 2020
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Tomoki Murakami, Yusuke Asai, Riichi Kudo, Koichi Ishihara, Masato Mizoguchi, Takeo Ichikawa
  • Patent number: 10674483
    Abstract: In a wireless communication system in which an AP and a plurality of STAs are connected to each other and the AP simultaneously transmits a wireless frame destined for each STA with FDMA, in which the AP includes a control frame transmission unit that generates a control frame having information on a frequency resource allocated to the each STA and transmits the control frame on a primary channel being used in a shared manner by the each STA and a wireless frame transmission unit that simultaneously transmits the wireless frame destined for the each STA on the frequency resource allocated to the each STA, and in which the STA includes a frequency resource selection reception unit that receives the control frame on the primary channel and receives a wireless frame destined for the STA itself on a frequency resource notified by the control frame.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: June 2, 2020
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Shoko Shinohara, Yasuhiko Inoue, Yasushi Takatori, Koichi Ishihara, Yusuke Asai, Masato Mizoguchi
  • Publication number: 20200157351
    Abstract: An asphalt modifier comprising a polyolefin-based copolymer comprising an ethylene-derived monomer unit and a monomer unit having an epoxy group is disclosed. The content of the monomer unit having an epoxy group is 13% by mass or more based on the mass of the polyolefin-based copolymer.
    Type: Application
    Filed: May 22, 2018
    Publication date: May 21, 2020
    Inventors: Susumu MORI, Yusuke ASAI, Mitsuhiro OKADA
  • Patent number: 10602367
    Abstract: A wireless communication apparatus is provided that is capable of performing setting of a wireless LAN access point so that frequency utilization efficiency of an entire wireless communication system that includes wireless LAN access points of different manufacturers and different model numbers is improved.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: March 24, 2020
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Hirantha Sithira Abeysekera, Koichi Ishihara, Yasuhiko Inoue, Yusuke Asai, Yasushi Takatori, Takeo Ichikawa, Masato Mizoguchi, Munehiro Matsui
  • Patent number: 10583869
    Abstract: A fastening structure for vehicles includes a mounting member, a mounting target member, a spacer member, a bolt member, and a nut member. The mounting member includes a first member and a second member. The first member includes a first mounting portion and a first insertion hole. The second member includes a second mounting portion and a second insertion hole. The first mounting portion overlaps the second mounting portion. The mounting target member includes a bolt insertion hole. The spacer member is attached to the first mounting portion and is arranged between the first mounting portion and the mounting target member. The nut member is attached to the second mounting portion. The bolt member is inserted through the first insertion hole, the second insertion hole, and the bolt insertion hole, and is screw-engaged with the nut member, thereby fixing the mounting member to the mounting target member.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: March 10, 2020
    Assignee: FUTABA INDUSTRIAL CO., LTD.
    Inventors: Yusuke Asai, Kotaro Tsuda
  • Publication number: 20200076482
    Abstract: Interference in preamble signals and pilot signals in cooperative transmission using interference suppressing technology is avoided. A wireless apparatus for transmitting a wireless signal on which directivity control has been performed to stations in a wireless system including at least one wireless apparatus is provided with a known signal generating unit which generates a known signal to be added to the wireless signal, a weighting processing unit which performs weighting on the known signal generated by the known signal generating unit, and a wireless processing unit which transmits the known signal on which the weighting has been performed by the weighting processing unit.
    Type: Application
    Filed: October 8, 2019
    Publication date: March 5, 2020
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Tomoki MURAKAMI, Yusuke ASAI, Riichi KUDO, Koichi ISHIHARA, Masato MIZOGUCHI, Takeo ICHIKAWA
  • Patent number: 10571120
    Abstract: In a combustion apparatus provided with: a combustion box having a connection flange part for connecting a heat exchanger to an upper end of the combustion box; a partition plate disposed inside the combustion box for partitioning space inside the combustion box into a combustion chamber and an air supply chamber which lies under the combustion chamber; and a plurality of laterally arrayed burners which are elongated longitudinally, the internal volume of the combustion box is increased without increasing a height dimension or without enlarging the connection flange part, thereby restraining the occurrence of resonance sounds. A drawn part projecting laterally outward of the combustion box is provided in such a portion of each side-plate part as is above the partition plate, over a predetermined range in the vertical and longitudinal directions. An upper side of the drawn part is preferably positioned below the upper end of the burners, and is preferably parallel with the upper end of the burners.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: February 25, 2020
    Assignee: RINNAI CORPORATION
    Inventor: Yusuke Asai
  • Publication number: 20200032157
    Abstract: The invention provides a grease composition for lubrication of a sliding surface made of resin, including a fluorine-based base oil and a synthetic hydrocarbon oil as a base oil; a fluorine-based thickener, and a lithium soap thickener or a lithium complex soap thickener as a thickener; and an extreme pressure additive as an additive. The invention also provides a sliding member including a sliding surface made of a resin wherein the grease composition for lubrication is applied to the sliding surface made of a resin.
    Type: Application
    Filed: July 26, 2019
    Publication date: January 30, 2020
    Inventors: Yusuke ASAI, Daiki YAMAMOTO, Takuya KITAJIMA, Motojiro TSUNA
  • Patent number: 10491274
    Abstract: Interference in preamble signals and pilot signals in cooperative transmission using interference suppressing technology is avoided. A wireless apparatus for transmitting a wireless signal on which directivity control has been performed to stations in a wireless system including at least one wireless apparatus is provided with a known signal generating unit which generates a known signal to be added to the wireless signal, a weighting processing unit which performs weighting on the known signal generated by the known signal generating unit, and a wireless processing unit which transmits the known signal on which the weighting has been performed by the weighting processing unit.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: November 26, 2019
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Tomoki Murakami, Yusuke Asai, Riichi Kudo, Koichi Ishihara, Masato Mizoguchi, Takeo Ichikawa
  • Patent number: 10477407
    Abstract: A wireless communication system includes a plurality of terminal apparatuses that perform communication using a first frequency band in which communication based on a random access scheme is performed and a second frequency band which is different from the first frequency band, a first base station apparatus that performs communication using the first frequency band, a second base station apparatus that performs communication using the second frequency band, and a cooperation control apparatus that selects a terminal apparatus that transmits user data via the first base station apparatus from among the plurality of terminal apparatuses based on information acquired by the first base station apparatus and the second base station apparatus.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: November 12, 2019
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Riichi Kudo, Hirantha Sithira Abeysekera, Yasushi Takatori, Takeo Ichikawa, Yusuke Asai, Masato Mizoguchi
  • Publication number: 20190276763
    Abstract: The present invention is a grease composition, comprising a fluorine-based grease, a urea-based grease and a soap-based grease (a calcium complex soap thickener, a calcium soap thickener, a barium soap thickener, a magnesium soap thickener or a sodium soap thickener), and a rolling bearing in which the grease composition is filled.
    Type: Application
    Filed: May 29, 2019
    Publication date: September 12, 2019
    Applicant: MINEBEA MITSUMI INC.
    Inventors: Yusuke ASAI, Yusuke ENOMOTO, Shintaro TAKATA
  • Publication number: 20190081666
    Abstract: Interference in preamble signals and pilot signals in cooperative transmission using interference suppressing technology is avoided. A wireless apparatus for transmitting a wireless signal on which directivity control has been performed to stations in a wireless system including at least one wireless apparatus is provided with a known signal generating unit which generates a known signal to be added to the wireless signal, a weighting processing unit which performs weighting on the known signal generated by the known signal generating unit, and a wireless processing unit which transmits the known signal on which the weighting has been performed by the weighting processing unit.
    Type: Application
    Filed: November 9, 2018
    Publication date: March 14, 2019
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Tomoki MURAKAMI, Yusuke ASAI, Riichi KUDO, Koichi ISHIHARA, Masato MIZOGUCHI, Takeo ICHIKAWA