Patents by Inventor Takahisa Aoyama

Takahisa Aoyama 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: 12273761
    Abstract: In a wireless communication terminal in a wireless communication system for performing a control not to transmit signals, or to transmit signals with a reduction in a transmission power by a part of radio resources for a downlink signal in a cell provided by a base station, the terminal receives control information in generating a report related to a measurement result of the cell provided by the base station, monitors a state of a radio link with an own cell, and performs measurement on reception of the downlink signal. If an instruction for restricting the measurement to a part of the radio resources is included in the control information from the base station after the radio link failure occurs, the terminal generates and transmits a radio link failure report including the measurement result in the radio resources as instructed when the radio link failure occurs.
    Type: Grant
    Filed: January 30, 2024
    Date of Patent: April 8, 2025
    Assignee: Sun Patent Trust
    Inventors: Takashi Tamura, Takahisa Aoyama, Hidenori Matsuo
  • Publication number: 20250088973
    Abstract: The invention relates to methods for adjusting the transmit power utilized by a mobile terminal for uplink transmissions, and to methods for adjusting the transmit power used by a mobile terminal for one or more RACH procedures. The invention is also providing apparatus and system for performing these methods, and computer readable media the instructions of which cause the apparatus and system to perform the methods described herein. In order to allow for adjusting the transmit power of uplink transmissions on uplink component carriers, the invention suggests introducing a power scaling for uplink PRACH transmissions performing RACH procedures on an uplink component carrier. The power scaling is proposed on the basis of a prioritization among multiple uplink transmissions or on the basis of the uplink component carriers on which RACH procedures are performed.
    Type: Application
    Filed: November 20, 2024
    Publication date: March 13, 2025
    Inventors: Martin Feuersaenger, Joachim Loehr, Takahisa Aoyama
  • Publication number: 20250019476
    Abstract: There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 2.4 to 3.48 by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 0.8 to 1.4 g/10 min, and the number of functional groups of 20 or less per 106 main-chain carbon atoms.
    Type: Application
    Filed: September 23, 2024
    Publication date: January 16, 2025
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tadaharu ISAKA, Yumi ZENKE, Yukari YAMAMOTO, Takahisa AOYAMA
  • Publication number: 20250011494
    Abstract: There is provided a copolymer containing tetrafluoroethylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro (propyl vinyl ether) unit of 4.3 to 6.0% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 0.7 to 1.4 g/10 min, and the number of functional groups of 20 or less per 106 main-chain carbon atoms.
    Type: Application
    Filed: September 20, 2024
    Publication date: January 9, 2025
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tadaharu ISAKA, Yumi ZENKE, Yukari YAMAMOTO, Takahisa AOYAMA
  • Patent number: 12183955
    Abstract: A sealing structure for a battery includes a plate shaped member having a through hole, a polymer molding, and an electrode. The polymer molding has a tube portion provided along an entire edge of the through hole and a base portion provided on the tube portion. The electrode has a column portion disposed on an inner periphery of the tube portion and a plate portion provided on the column portion. A back surface of the plate shaped member contacts a front surface of the base portion. A front surface of the plate portion contacts a back surface of the base portion. The back surface of the plate shaped member has an annular first projection provided around the through hole and projecting toward the base portion. The front surface of the plate portion has an annular second projection provided around the through hole and projecting toward the base portion.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: December 31, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Jihong Liu, Takahisa Aoyama, Hayato Tsuda, Masamichi Sukegawa
  • Patent number: 12185259
    Abstract: The invention relates to methods for adjusting the transmit power utilized by a mobile terminal for uplink transmissions, and to methods for adjusting the transmit power used by a mobile terminal for one or more RACH procedures. The invention is also providing apparatus and system for performing these methods, and computer readable media the instructions of which cause the apparatus and system to perform the methods described herein. In order to allow for adjusting the transmit power of uplink transmissions on uplink component carriers, the invention suggests introducing a power scaling for uplink PRACH transmissions performing RACH procedures on an uplink component carrier. The power scaling is proposed on the basis of a prioritization among multiple uplink transmissions or on the basis of the uplink component carriers on which RACH procedures are performed.
    Type: Grant
    Filed: October 31, 2023
    Date of Patent: December 31, 2024
    Assignee: Sun Patent Trust
    Inventors: Martin Feuersaenger, Joachim Loehr, Takahisa Aoyama
  • Patent number: 12145300
    Abstract: Provided is a method for testing a melt-fabricable fluororesin injection-molded article which enables easy determination of whether or not a tested article is a defective article due to a crack or delamination. The method for testing a melt-fabricable fluororesin injection-molded article includes determining whether or not a melt-fabricable fluororesin injection-molded article is defective due to a crack or delamination based on a stress-strain curve or tensile strength-strain curve obtained by a tensile test performed on the injection-molded article.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: November 19, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Takahisa Aoyama, Hayato Tsuda, Yuuki Kuwajima
  • Publication number: 20240292427
    Abstract: Provided are a radio terminal device, a radio base station device, and a channel signal forming method which can prevent quality degradation of the downlink resource allocation information by reducing the frequency of the zero information addition process to the downlink resource allocation information when executing communication using an uplink unit band and multiple downlink unit bands correlated to the uplink unit band. A base station includes: a PDCCH generation unit which includes the uplink allocation information relating to the uplink unit band only in some of the channel signals formed for each of the downlink unit bands; and a padding unit which adds zero information to the downlink allocation information only in the selected some channel signals having the bandwidth of the corresponding downlink unit band smaller than that of the uplink unit band until the downlink allocation information size becomes equal to the uplink allocation information size.
    Type: Application
    Filed: May 9, 2024
    Publication date: August 29, 2024
    Inventors: Seigo NAKAO, Akihiko NISHIO, Daichi IMAMURA, Takahisa AOYAMA
  • Publication number: 20240196256
    Abstract: In a wireless communication terminal in a wireless communication system for performing a control not to transmit signals, or to transmit signals with a reduction in a transmission power by a part of radio resources for a downlink signal in a cell provided by a base station, the terminal receives control information in generating a report related to a measurement result of the cell provided by the base station, monitors a state of a radio link with an own cell, and performs measurement on reception of the downlink signal. If an instruction for restricting the measurement to a part of the radio resources is included in the control information from the base station after the radio link failure occurs, the terminal generates and transmits a radio link failure report including the measurement result in the radio resources as instructed when the radio link failure occurs.
    Type: Application
    Filed: January 30, 2024
    Publication date: June 13, 2024
    Inventors: Takashi Tamura, Takahisa Aoyama, Hidenori Matsuo
  • Patent number: 12010696
    Abstract: Provided are a radio terminal device, a radio base station device, and a channel signal forming method which can prevent quality degradation of the downlink resource allocation information by reducing the frequency of the zero information addition process to the downlink resource allocation information when executing communication using an uplink unit band and multiple downlink unit bands correlated to the uplink unit band. A base station includes: a PDCCH generation unit which includes the uplink allocation information relating to the uplink unit band only in some of the channel signals formed for each of the downlink unit bands; and a padding unit which adds zero information to the downlink allocation information only in the selected some channel signals having the bandwidth of the corresponding downlink unit band smaller than that of the uplink unit band until the downlink allocation information size becomes equal to the uplink allocation information size.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: June 11, 2024
    Assignee: Sun Patent Trust
    Inventors: Seigo Nakao, Akihiko Nishio, Daichi Imamura, Takahisa Aoyama
  • Publication number: 20240147482
    Abstract: A base station is disclosed, including an information size adjusting section configured to adjust a size of control information based on a first basic information size of control information mapped on a user equipment (UE) specific search space in a first component carrier. The base station also includes a transmitter configured to transmit the control information mapped on the UE specific search space. A first determination method for determining the first basic information size is different from a second determination method for determining a second basic information size of control information mapped on a common search space in the first component carrier. The first determination method for determining the first basic information size is different from a third determination method for determining a third basic information size of control information mapped on a search space in a second component carrier that is different from the first component carrier.
    Type: Application
    Filed: January 11, 2024
    Publication date: May 2, 2024
    Inventors: Seigo Nakao, Daichi Imamura, Takahisa Aoyama
  • Publication number: 20240129075
    Abstract: A communication terminal is capable of simultaneously communicating through a plurality of carriers by carrier aggregation, and the communication terminal comprises: a quality measurement unit for measuring the reception quality of a radio wave transmitted through a plurality of carriers from a base station of a connected cell to obtain a measured value; a primary carrier storage unit storing information specifying a primary carrier chosen from the plurality of carriers; a comparator for comparing a measured value of the primary carrier measured by the quality measurement unit to a threshold value; and a cell search unit for searching for another cell when the measured value of the primary carrier is less than or equal to the threshold value. Consequently, a search threshold value for carrier aggregation can be appropriately determined to perform a cell search and a quality measurement.
    Type: Application
    Filed: December 28, 2023
    Publication date: April 18, 2024
    Inventors: Takahisa Aoyama, Jun Hirano, Takashi Tamura
  • Publication number: 20240090014
    Abstract: The invention relates to methods for improving a scheduling request transmission between a UE and a base station. The transmission of the scheduling request is postponed, by implementing a threshold that the data in the transmission buffer has to reach, before a transmission of the scheduling request is triggered. In one variant, the data in the transmission buffer needs to reach a specific amount, to trigger a scheduling request. The invention refers to further improvements: the PDDCH monitoring time window is delayed after sending a scheduling request; the dedicated scheduling request resources of the PUCCH are prioritized differently such that low-priority scheduling requests are transmitted less often.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 14, 2024
    Applicant: Apple Inc.
    Inventors: Joachim Loehr, Takahisa Aoyama, Prateek Basu-Mallick, Takashi Tamura, Martin Feuersaenger
  • Patent number: 11924667
    Abstract: In a wireless communication terminal in a wireless communication system for performing a control not to transmit signals, or to transmit signals with a reduction in a transmission power by a part of radio resources for a downlink signal in a cell provided by a base station, the terminal receives control information in generating a report related to a measurement result of the cell provided by the base station, monitors a state of a radio link with an own cell, and performs measurement on reception of the downlink signal. If an instruction for restricting the measurement to a part of the radio resources is included in the control information from the base station after the radio link failure occurs, the terminal generates and transmits a radio link failure report including the measurement result in the radio resources as instructed when the radio link failure occurs.
    Type: Grant
    Filed: November 2, 2022
    Date of Patent: March 5, 2024
    Assignee: Sun Patent Trust
    Inventors: Takashi Tamura, Takahisa Aoyama, Hidenori Matsuo
  • Publication number: 20240064653
    Abstract: The invention relates to methods for adjusting the transmit power utilized by a mobile terminal for uplink transmissions, and to methods for adjusting the transmit power used by a mobile terminal for one or more RACH procedures. The invention is also providing apparatus and system for performing these methods, and computer readable media the instructions of which cause the apparatus and system to perform the methods described herein. In order to allow for adjusting the transmit power of uplink transmissions on uplink component carriers, the invention suggests introducing a power scaling for uplink PRACH transmissions performing RACH procedures on an uplink component carrier. The power scaling is proposed on the basis of a prioritization among multiple uplink transmissions or on the basis of the uplink component carriers on which RACH procedures are performed.
    Type: Application
    Filed: October 31, 2023
    Publication date: February 22, 2024
    Inventors: Martin Feuersaenger, Joachim Loehr, Takahisa Aoyama
  • Patent number: 11910394
    Abstract: A base station is disclosed, including an information size adjusting section configured to adjust a size of control information based on a first basic information size of control information mapped on a user equipment (UE) specific search space in a first component carrier. The base station also includes a transmitter configured to transmit the control information mapped on the UE specific search space. A first determination method for determining the first basic information size is different from a second determination method for determining a second basic information size of control information mapped on a common search space in the first component carrier. The first determination method for determining the first basic information size is different from a third determination method for determining a third basic information size of control information mapped on a search space in a second component carrier that is different from the first component carrier.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: February 20, 2024
    Assignee: Sun Patent Trust
    Inventors: Seigo Nakao, Daichi Imamura, Takahisa Aoyama
  • Patent number: 11902186
    Abstract: A communication terminal is capable of simultaneously communicating through a plurality of carriers by carrier aggregation, and the communication terminal comprises: a quality measurement unit for measuring the reception quality of a radio wave transmitted through a plurality of carriers from a base station of a connected cell to obtain a measured value; a primary carrier storage unit storing information specifying a primary carrier chosen from the plurality of carriers; a comparator for comparing a measured value of the primary carrier measured by the quality measurement unit to a threshold value; and a cell search unit for searching for another cell when the measured value of the primary carrier is less than or equal to the threshold value. Consequently, a search threshold value for carrier aggregation can be appropriately determined to perform a cell search and a quality measurement.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: February 13, 2024
    Assignee: Sun Patent Trust
    Inventors: Takahisa Aoyama, Jun Hirano, Takashi Tamura
  • Publication number: 20230411751
    Abstract: A power storage assembly having a gasket containing a copolymer containing tetrafluoroethylene unit and a perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of the perfluoro(propyl vinyl ether) unit of 2.0 to 4.5% by mass with respect to the whole of the monomer units, a melt flow rate of 5 to 36 g/10 min, and the number of functional groups of —CF?CF2, —CF2H, —COF, —COOH, —COOCH3, —CONH2 and —CH2OH of more than 50 per 106 main-chain carbon atoms, wherein the gasket has a thickness of 0.5 to 2.5 mm.
    Type: Application
    Filed: March 29, 2023
    Publication date: December 21, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hayato TSUDA, Tadaharu ISAKA, Yumi ZENKE, Yukari YAMAMOTO, Takahisa AOYAMA
  • Patent number: 11844027
    Abstract: The invention relates to methods for adjusting the transmit power utilized by a mobile terminal for uplink transmissions, and to methods for adjusting the transmit power used by a mobile terminal for one or more RACH procedures. The invention is also providing apparatus and system for performing these methods, and computer readable media the instructions of which cause the apparatus and system to perform the methods described herein. In order to allow for adjusting the transmit power of uplink transmissions on uplink component carriers, the invention suggests introducing a power scaling for uplink PRACH transmissions performing RACH procedures on an uplink component carrier. The power scaling is proposed on the basis of a prioritization among multiple uplink transmissions or on the basis of the uplink component carriers on which RACH procedures are performed.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: December 12, 2023
    Assignee: Sun Patent Trust
    Inventors: Martin Feuersaenger, Joachim Loehr, Takahisa Aoyama
  • Publication number: 20230391912
    Abstract: There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 4.6 to 5.1% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 11.0 to 17.0 g/10 min, and the number of functional groups of 40 or less per 106 main-chain carbon atoms.
    Type: Application
    Filed: August 15, 2023
    Publication date: December 7, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tadaharu ISAKA, Yumi ZENKE, Yukari YAMANOTO, Hayato TSUDA, Takahisa AOYAMA