Patents by Inventor Takashi Nakao

Takashi Nakao 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: 20220312420
    Abstract: Disclosed are a wireless communication base station device and a division number determination method that improves the frequency diversity effect while maintaining channel estimation accuracy regardless of the number of divisions in the frequency domain of a transmission signal from a wireless communication terminal device. A determination unit determines the number of divisions in the frequency domain of a transmission signal from a wireless communication terminal device. Here, the determination unit increases the number of divisions in the frequency domain of the transmission signal from the wireless communication terminal device as the number of pilot blocks included in the transmission signal increases. In addition, a scheduling unit schedules allocation to the frequency resources of the divided transmission signal according to the number of divisions determined by the determination unit.
    Type: Application
    Filed: June 13, 2022
    Publication date: September 29, 2022
    Inventors: Yoshihiko OGAWA, Seigo NAKAO, Daichi IMAMURA, Akihiko NISHIO, Masayuki HOSHINO, Katsuhiko HIRAMATSU, Kenichi MIYOSHI, Yasuaki YUDA, Sadaki FUTAGI, Takashi IWAI
  • Patent number: 11437618
    Abstract: A positive electrode active material for lithium secondary batteries which is able to doped/undoped with lithium ions and contains at least Ni, in which a ratio P/Q (atom %/mass %) of a concentration P (atom %) of sulfur atoms being present in a surface of the positive electrode active material to a concentration Q (mass %) of sulfuric acid radicals being present in the whole positive electrode active material is more than 0.8 and less than 5.0, and the Q (mass %) is 0.01 or more and 2.0 or less.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: September 6, 2022
    Assignees: SUMITOMO CHEMICAL COMPANY, LIMITED, TANAKA CHEMICAL CORPORATION
    Inventors: Takashi Arimura, Jun-ichi Kageura, Kenji Takamori, Kimiyasu Nakao, Daisuke Yamashita, Yusuke Maeda
  • Patent number: 11431429
    Abstract: A terminal apparatus includes circuitry and a transmitter. The circuitry, in operation, generates a reference signal using a cyclic shift value and an orthogonal sequence, which are associated with each other. The orthogonal sequence is one of two orthogonal sequences corresponding to a first orthogonal sequence [1, 1] and a second orthogonal sequence [1, ?1]. The cyclic shift value is one of 12 cyclic shift values ranging from 0 to 11. The transmitter, in operation, transmits the reference signal multiplexed with a data signal. Two of the cyclic shift values having a difference of 6 are respectively associated with the two orthogonal sequences.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: August 30, 2022
    Assignee: Sun Patent Trust
    Inventors: Yoshihiko Ogawa, Akihiko Nishio, Takashi Iwai, Seigo Nakao, Daichi Imamura, Atsushi Sumasu
  • Patent number: 11425298
    Abstract: The present technology relates to an imaging device, an imaging method, and a program capable of setting a resolution based on a distance to a subject. A control unit which changes a resolution of a captured image on the basis of distance information, corresponding to the captured image, regarding a detected distance to a subject included in the image is included. The control unit changes a resolution of a portion of a region of the captured image on the basis of the distance information. The portion of the region is a region distant from another region. The control unit changes the resolution of the portion of the region such that the portion of the region becomes higher than a resolution of another region.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: August 23, 2022
    Assignee: SONY CORPORATION
    Inventors: Kazuhiro Shimauchi, Kenzaburo Seki, Tetsuya Shimoda, Yasuyoshi Kuwazoe, Yuta Nakao, Takashi Kohashi
  • Publication number: 20220240298
    Abstract: Communication apparatuses and methods reduce the amount of signaling while maintaining a high scheduling gain. A determination unit stores a correspondence between the number of code words and the number of clusters to reduce the maximum value for the number of clusters allocated to each terminal as the number of code words increases, and thus determines the maximum value for the number of clusters based on the number of code words acquired. Based on the number of code words for a transmission signal from a terminal, an estimated value for the reception quality that is output by an estimation unit, and the maximum value for the number of clusters that is output by the determination unit, a scheduling unit schedules the allocation of the transmission signal transmitted by each terminal to a transmission band frequency (frequency resource) so as not to exceed the maximum value for the number of clusters.
    Type: Application
    Filed: April 11, 2022
    Publication date: July 28, 2022
    Inventors: Yoshihiko OGAWA, Akihiko NISHIO, Daichi IMAMURA, Seigo NAKAO, Masayuki HOSHINO, Takashi IWAI, Sadaki FUTAGI
  • Patent number: 11395295
    Abstract: Disclosed are a wireless communication base station device and a division number determination method that improves the frequency diversity effect while maintaining channel estimation accuracy regardless of the number of divisions in the frequency domain of a transmission signal from a wireless communication terminal device. A determination unit determines the number of divisions in the frequency domain of a transmission signal from a wireless communication terminal device. Here, the determination unit increases the number of divisions in the frequency domain of the transmission signal from the wireless communication terminal device as the number of pilot blocks included in the transmission signal increases. In addition, a scheduling unit schedules allocation to the frequency resources of the divided transmission signal according to the number of divisions determined by the determination unit.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: July 19, 2022
    Assignee: Sun Patent Trust
    Inventors: Yoshihiko Ogawa, Seigo Nakao, Daichi Imamura, Akihiko Nishio, Masayuki Hoshino, Katsuhiko Hiramatsu, Kenichi Miyoshi, Yasuaki Yuda, Sadaki Futagi, Takashi Iwai
  • Publication number: 20200363369
    Abstract: Provided are a gas sensor element which is not prone to decreased precision of gas detection due to a decrease in temperature of a gas to be measured, and a gas sensor. An aspect of the present invention is a gas sensor element for detecting a specific gas included in a gas to be measured, the gas sensor element being provided with a solid electrolyte, a reference electrode, a measurement electrode, and a gas restricting layer. The thickness dimension WA of a portion of the gas restricting layer that is in contact with the measurement electrode, the thickness dimension WB of a portion of the gas restricting layer that is in contact with the solid electrolyte, and the thickness dimension WC of the measurement electrode satisfy the conditions WB>WA and WB?WA>WC. In a gas sensor element provided with such a gas restricting layer, the heat capacity of the gas restricting layer can be increased without hindering the gas to be measured from reaching the measurement electrode.
    Type: Application
    Filed: September 12, 2018
    Publication date: November 19, 2020
    Inventors: Mika TANGE, Keisuke NAKAGAWA, Takashi NAKAO, Shigehiro OHTSUKA
  • Patent number: 10812195
    Abstract: An optical communication device, for performing communication between spatially separated points by using one or more laser beams, includes an angle correction device that corrects a direction of a light receiving system and an emission optical axis correction device, in which an angle error which is not corrected by the angle correction device is detected by a light receiving angle detection device, and the emission optical axis correction device is controlled according to a detected error amount, and an emission optical axis is corrected.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: October 20, 2020
    Assignee: SONY CORPORATION
    Inventors: Takashi Nakao, Kyohei Iwamoto, Taiji Ito, Tamotsu Ishii, Mitsuhiro Ueno, Shinji Ohta, Takeshi Sano, Keiichi Shibata, Yasuyuki Takeshita, Hiromitsu Komatsu
  • Publication number: 20200305762
    Abstract: An information processing apparatus including circuitry configured to acquire weight distribution information of a subject by at least one sensor, analyze the acquired weight distribution information, and initiate a providing of feedback information based on the analyzed weight distribution information.
    Type: Application
    Filed: June 2, 2020
    Publication date: October 1, 2020
    Applicant: SONY CORPORATION
    Inventor: Takashi NAKAO
  • Patent number: 10722144
    Abstract: An information processing apparatus including circuitry configured to acquire weight distribution information of a subject by at least one sensor, analyze the acquired weight distribution information, and initiate a providing of feedback information based on the analyzed weight distribution information.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: July 28, 2020
    Assignee: SONY CORPORATION
    Inventor: Takashi Nakao
  • Publication number: 20200127738
    Abstract: An optical communication device, for performing communication between spatially separated points by using one or more laser beams, includes an angle correction device that corrects a direction of a light receiving system and an emission optical axis correction device, in which an angle error which is not corrected by the angle correction device is detected by a light receiving angle detection device, and the emission optical axis correction device is controlled according to a detected error amount, and an emission optical axis is corrected.
    Type: Application
    Filed: December 26, 2017
    Publication date: April 23, 2020
    Inventors: TAKASHI NAKAO, KYOHEI IWAMOTO, TAIJI ITO, TAMOTSU ISHII, MITSUHIRO UENO, SHINJI OHTA, TAKESHI SANO, KEIICHI SHIBATA, YASUYUKI TAKESHITA, HIROMITSU KOMATSU
  • Patent number: 10496564
    Abstract: A bus control circuit includes: a plurality of queues that each include a plurality of entries for storing data, a first read pointer, and a check pointer set to indicate a same entry as an entry indicated by the first read pointer, and each store data on a First in, First out basis; a plurality of first arbitration circuits that receive, in a divided manner, arbitration participation signals from the plurality of queues, each arbitrate the received plurality of arbitration participation signals, and each output one of the plurality of arbitration participation signals; a plurality of buffers that each store, on the First in, First out basis, the arbitration participation signals output from the respective first arbitration circuits; and a second arbitration circuit that arbitrates the arbitration participation signals output from the plurality of buffers and outputs an arbitration result signal corresponding to one of the plurality of queues.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: December 3, 2019
    Assignee: FUJITSU LIMITED
    Inventor: Takashi Nakao
  • Patent number: 10134438
    Abstract: An optical medium reproduction apparatus for optically reproducing an optical medium, including: a detection unit for splitting a cross section of a beam returned from the optical medium into a plurality of regions and for forming respective detection signals; a multiple input adaptive equalizer having a plurality of adaptive equalizer units, wherein the respective detection signals are inputted into the adaptive equalizer units, and the outputs of the adaptive equalizer units are computed to form equalization signals; a binarization unit for binarizing the equalization signals to provide binary data; and an equalization error computing unit for determining an equalization error from equalization target signals provided based on the binary data from the binarization unit and the equalization signals, and providing the adaptive equalizer units with the equalization error as control signals for adaptive equalization.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: November 20, 2018
    Assignee: Sony Corporation
    Inventors: Noriaki Nishi, Kimihiro Saito, Junya Shiraishi, Takashi Nakao, Kenji Yamamoto
  • Publication number: 20180217950
    Abstract: A bus control circuit includes: a plurality of queues that each include a plurality of entries for storing data, a first read pointer, and a check pointer set to indicate a same entry as an entry indicated by the first read pointer, and each store data on a First in, First out basis; a plurality of first arbitration circuits that receive, in a divided manner, arbitration participation signals from the plurality of queues, each arbitrate the received plurality of arbitration participation signals, and each output one of the plurality of arbitration participation signals; a plurality of buffers that each store, on the First in, First out basis, the arbitration participation signals output from the respective first arbitration circuits; and a second arbitration circuit that arbitrates the arbitration participation signals output from the plurality of buffers and outputs an arbitration result signal corresponding to one of the plurality of queues.
    Type: Application
    Filed: January 25, 2018
    Publication date: August 2, 2018
    Applicant: FUJITSU LIMITED
    Inventor: Takashi Nakao
  • Publication number: 20180055415
    Abstract: An information processing apparatus including circuitry configured to acquire weight distribution information of a subject by at least one sensor, analyze the acquired weight distribution information, and initiate a providing of feedback information based on the analyzed weight distribution information.
    Type: Application
    Filed: May 12, 2016
    Publication date: March 1, 2018
    Applicant: SONY CORPORATION
    Inventor: Takashi NAKAO
  • Patent number: 9566620
    Abstract: An LPCVD apparatus is provided with a processing chamber and a reaction cooling apparatus. The reaction cooling apparatus is placed outside the processing chamber and is configured to generate hydrogen fluoride gas by reaction of hydrogen gas and fluorine gas and to cool the hydrogen fluoride gas. The hydrogen fluoride gas cooled by the reaction cooling apparatus is supplied into the processing chamber as a cleaning gas.
    Type: Grant
    Filed: August 6, 2013
    Date of Patent: February 14, 2017
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kenichiro Toratani, Fumiki Aiso, Takashi Nakao, Kazuhei Yoshinaga
  • Patent number: 9514778
    Abstract: There is provided an optical disc device that performs recording on a land and a groove, including an optical path splitter configured to split a luminous flux returning from an optical disc into first and second optical paths, a first detector configured to receive a whole of the luminous flux that has passed through the first optical path, a second detector configured to receive a luminous flux of an inside part of the luminous flux that has passed through the second optical path, a spherical aberration error signal generation unit configured to generate a spherical aberration error signal on the basis of a difference between a first focus error signal obtained on the basis of a detection signal of the first detector and a second focus error signal obtained on the basis of a detection signal of the second detector, a spherical aberration correction unit, and an adjustment unit.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: December 6, 2016
    Assignee: Sony Corporation
    Inventors: Tomoya Ikuta, Takeshi Kubo, Takashi Nakao, Kimihiro Saito, Kenji Yamamoto
  • Publication number: 20160225400
    Abstract: There is provided an optical disc device that performs recording on a land and a groove, including an optical path splitter configured to split a luminous flux returning from an optical disc into first and second optical paths, a first detector configured to receive a whole of the luminous flux that has passed through the first optical path, a second detector configured to receive a luminous flux of an inside part of the luminous flux that has passed through the second optical path, a spherical aberration error signal generation unit configured to generate a spherical aberration error signal on the basis of a difference between a first focus error signal obtained on the basis of a detection signal of the first detector and a second focus error signal obtained on the basis of a detection signal of the second detector, a spherical aberration correction unit, and an adjustment unit.
    Type: Application
    Filed: December 18, 2015
    Publication date: August 4, 2016
    Applicant: SONY CORPORATION
    Inventors: Tomoya IKUTA, Takeshi KUBO, Takashi NAKAO, Kimihiro SAITO, Kenji YAMAMOTO
  • Patent number: 9373350
    Abstract: An optical medium reproducing apparatus that optically reproduces an optical medium on which a plurality of tracks is formed in which a beam returning from the optical medium is divided into a first region of an outside portion and a second region of an inside region, according to the shape of the pupil of an object lens, and crosstalk between the tracks is reduced by using a first detection signal of the first region and a second detection signal of the second region.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: June 21, 2016
    Assignee: Sony Corporation
    Inventors: Kenji Yamamoto, Takashi Nakao, Kimihiro Saito
  • Publication number: 20160155468
    Abstract: An optical medium reproduction apparatus for optically reproducing an optical medium where a plurality of tracks are formed, including: a detection unit for splitting a cross section of a beam returned from the optical medium into a plurality of regions and for forming respective detection signals of a plurality of the regions; a multiple input adaptive equalizer having a plurality of adaptive equalizer units, wherein the respective detection signals of a plurality of the regions are inputted into the plurality of adaptive equalizer units, and the outputs of the plurality of adaptive equalizer units are computed to from equalization signals; a binarization unit for binarizing the equalization signals to provide binary data; and an equalization error computing unit for determining an equalization error from equalization target signals provided based on the binary data from the binarization unit and the equalization signals outputted from the multiple input adaptive equalizer, and providing the adaptive equaliz
    Type: Application
    Filed: April 11, 2014
    Publication date: June 2, 2016
    Applicant: Sony Corporation
    Inventors: Noriaka Nishi, Kimihiro Saito, Junya Shiraushi, Takashi Nakao, Kenji Yamamoto