Patents by Inventor Katsuhiro Mitsui
Katsuhiro Mitsui 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).
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Publication number: 20230156892Abstract: An illumination device includes a light emitter configured to emit illumination light and a controller configured to control the light emitter. The controller controls the illumination light such that a first decrease ratio of melanopic illuminance of illumination light during night-time illumination to melanopic illuminance of illumination light during daytime illumination is higher than a second decrease ratio of illuminance of the illumination light during the night-time illumination to illuminance of the illumination light during the daytime illumination.Type: ApplicationFiled: February 19, 2021Publication date: May 18, 2023Applicants: KYOCERA Corporation, Public University Corporation Nara Medical UniversityInventors: Katsuhiro MITSUI, Hidetaka KATOU, Kenji OBAYASHI
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Patent number: 11317465Abstract: A user equipment, method used in user equipment, and apparatus for controlling a user equipment operate to receiving a connected mode DRX parameter configured by a base station, and transmit to the base station a message including information indicating a connected mode DRX parameter preferred by the user equipment. The connected mode DRX parameter preferred by the user equipment includes at least one of DRX-InactivityTimer, DRX-ShortCycle, and DRX-ShortCycleTimer.Type: GrantFiled: August 19, 2020Date of Patent: April 26, 2022Assignee: KYOCERA CorporationInventors: Yushi Nagasaka, Masato Fujishiro, Kugo Morita, Hiroyuki Adachi, Fangwei Tong, Shingo Katagiri, Chiharu Yamazaki, Hiroyuki Urabayashi, Naohisa Matsumoto, Katsuhiro Mitsui
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Patent number: 11159974Abstract: A user equipment, an apparatus, and a method receive from a base station configuration information on a carrier aggregation where a Licensed-Assisted Access (LAA) secondary cell using unlicensed frequency is utilized, configure the carrier aggregation based on the configuration information, receive from the base station information indicating whether uplink data transmission via the LAA secondary cell is allowed, and transmit uplink data via the LAA secondary cell only in response to receiving the information indicating that uplink data transmission via the LAA secondary cell is allowed.Type: GrantFiled: June 11, 2020Date of Patent: October 26, 2021Assignee: KYOCERA CorporationInventors: Masato Fujishiro, Chiharu Yamazaki, Yushi Nagasaka, Katsuhiro Mitsui
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Patent number: 11089648Abstract: A user terminal according to an embodiment is capable of executing dual connectivity. The user terminal comprises: a controller configured to execute the dual connectivity in which a first base station configured to establish an RRC connection with the user terminal and a second base station configured to provide an additional radio resource are used; and a transmitter configured to preferentially transmit, if a radio link failure is detected between the user terminal and the first base station, to the second base station, an RRC reestablishment request for reestablishing the RRC connection.Type: GrantFiled: January 25, 2016Date of Patent: August 10, 2021Assignee: Kyocera CorporationInventors: Katsuhiro Mitsui, Yushi Nagasaka, Masato Fujishiro, Henry Chang
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Publication number: 20210068747Abstract: An electronic apparatus includes a measurement unit configured to measure a blood flow volume of a subject and a controller configured to estimate a sleep state of the subject based on the blood flow volume of the subject.Type: ApplicationFiled: January 28, 2019Publication date: March 11, 2021Inventor: Katsuhiro MITSUI
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Patent number: 10908697Abstract: An electronic device comprising a touch screen, a plurality of first keys arranged along a periphery of the touch screen, a storage configured to stores a character array, and at least one controller configured to execute a character editing process according to an operation on the first key by allocating at least one of characters and phrases included in the character array to each of the first keys and accepting, when detecting the operation on one of the first keys, editing the at least one of the characters and the phrases allocated to the first key on which the operation is detected.Type: GrantFiled: June 27, 2017Date of Patent: February 2, 2021Assignee: KYOCERA CORPORATIONInventors: Yushi Nagasaka, Masato Fujishiro, Atsuhisa Inakoshi, Katsuhiro Mitsui, Yukiko Takaba
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Patent number: 10893432Abstract: A communication method, comprises: sending, by a cellular base station configured to constitute an Evolved Universal Terrestrial Radio Access Network (E-UTRAN), a plurality of pieces of wireless LAN identification information managed by the cellular base station, to a wireless LAN termination node configured to manage a wireless LAN access point; and receiving, by the wireless LAN termination node, the plurality of pieces of wireless LAN identification information from the cellular base station. The plurality of pieces of wireless LAN identification information are sent via an interface formed between the cellular base station and the wireless LAN termination node.Type: GrantFiled: February 9, 2018Date of Patent: January 12, 2021Assignee: KYOCERA CorporationInventors: Katsuhiro Mitsui, Yushi Nagasaka
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Patent number: 10893567Abstract: In a communication method according to an embodiment, in a procedure where a connection between a radio terminal and a network is temporarily suspended, a resumption identifier associated with context information of the radio terminal is transmitted from a first base station to the radio terminal. A part of the resumption identifier is information for identifying the first base station.Type: GrantFiled: August 2, 2018Date of Patent: January 12, 2021Assignee: KYOCERA CorporationInventors: Katsuhiro Mitsui, Hiroyuki Adachi, Masato Fujishiro, Kugo Morita
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Publication number: 20200383168Abstract: A user equipment, method used in user equipment, and apparatus for controlling a user equipment operate to receiving a connected mode DRX parameter configured by a base station, and transmit to the base station a message including information indicating a connected mode DRX parameter preferred by the user equipment. The connected mode DRX parameter preferred by the user equipment includes at least one of DRX-InactivityTimer, DRX-ShortCycle, and DRX-ShortCycleTimer.Type: ApplicationFiled: August 19, 2020Publication date: December 3, 2020Applicant: KYOCERA CorporationInventors: Yushi NAGASAKA, Masato FUJISHIRO, Kugo MORITA, Hiroyuki ADACHI, Fangwei TONG, Shingo KATAGIRI, Chiharu YAMAZAKI, Hiroyuki URABAYASHI, Naohisa MATSUMOTO, Katsuhiro MITSUI
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Patent number: 10820239Abstract: In a communication method according to one embodiment, a first base station sets a WLAN (Wireless Local Area Network) mobility set that is a set of one or more WLAN identifiers to a user equipment. The first base station decides a handover of the user equipment to a second base station. The first base station includes, in a handover request message for the user equipment, an identifier of a WLAN termination device associated with the one or more WLAN identifiers. The first base station transmits the handover request message including the identifier of the WLAN termination device to the second base station.Type: GrantFiled: September 28, 2018Date of Patent: October 27, 2020Assignee: KYOCERA CorporationInventors: Yushi Nagasaka, Katsuhiro Mitsui, David Comstock
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Publication number: 20200305018Abstract: A user equipment, an apparatus, and a method receive from a base station configuration information on a carrier aggregation where a Licensed-Assisted Access (LAA) secondary cell using unlicensed frequency is utilized, configure the carrier aggregation based on the configuration information, receive from the base station information indicating whether uplink data transmission via the LAA secondary cell is allowed, and transmit uplink data via the LAA secondary cell only in response to receiving the information indicating that uplink data transmission via the LAA secondary cell is allowed.Type: ApplicationFiled: June 11, 2020Publication date: September 24, 2020Applicant: KYOCERA CorporationInventors: Masato FUJISHIRO, Chiharu YAMAZAKI, Yushi NAGASAKA, Katsuhiro MITSUI
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Patent number: 10779354Abstract: A communication method according to an embodiment comprises: notifying, by a base station, a radio terminal of a discontinuous reception (DRX) cycle; notifying, by a Mobility Management Entity (MME), the radio terminal of an extended DRX cycle longer than the DRX cycle; determining, by the radio terminal, whether or not the base station supports an extend DRX; using, by the radio terminal, the extended DRX cycle to execute an extended DRX operation in an idle mode, in response to determining that the base station supports the extend DRX; and using, by the radio terminal, the DRX cycle to execute a DRX operation without using the extended DRX cycle, in response to determining that the base station does not support the extend DRX.Type: GrantFiled: September 1, 2017Date of Patent: September 15, 2020Assignee: KYOCERA CorporationInventors: Yushi Nagasaka, Masato Fujishiro, Kugo Morita, Hiroyuki Adachi, Fangwei Tong, Shingo Katagiri, Chiharu Yamazaki, Hiroyuki Urabayashi, Naohisa Matsumoto, Katsuhiro Mitsui
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Patent number: 10735549Abstract: A network apparatus according to one embodiment is provided in a radio access network of a mobile communication system. The network apparatus comprises: a storage configured to store content data delivered from a server outside the radio access network; and a controller configured to recognize content data requested by a radio terminal, and to determine whether or not the requested content data is stored in the storage. The controller is configured to, when the requested content data is stored in the storage, deliver the requested content data to the radio terminal on behalf of the server.Type: GrantFiled: September 24, 2018Date of Patent: August 4, 2020Assignee: KYOCERA CorporationInventors: Masato Fujishiro, Katsuhiro Mitsui, Kugo Morita
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Patent number: 10701579Abstract: A communication method including a base station and user terminal that is configured to communicate by using an unlicensed frequency includes receiving, from the base station, a message including first and second information. The first information is information regarding a configuration for the user terminal to report a measurement result in the unlicensed band, and the second information is information regarding a configuration of carrier aggregation. The method includes the user terminal measuring power in the unlicensed frequency and reporting, to the base station, percentage where the measured power exceeds a threshold value in a measurement period, according to the first information, and communicating with the base station by using the unlicensed frequency as a secondary carrier in the carrier aggregation, according to the second information.Type: GrantFiled: February 12, 2018Date of Patent: June 30, 2020Assignee: KYOCERA CorporationInventors: Masato Fujishiro, Chiharu Yamazaki, Yushi Nagasaka, Katsuhiro Mitsui
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Patent number: 10524253Abstract: In a dual connectivity, the X2-GW collects operation information from a plurality of HeNBs. The X2-GW obtains a measurement result of radio quality reported by the UE to the MeNB from the MeNB. Based on the operation information of the HeNB and the measurement result, the X2-GW identifies transmission destination of a SeNB addition request message received from the MeNB, and sends the SeNB addition request message to the identified HeNB. Upon acquiring an acknowledgment message for the SeNB addition request message from the HeNB, the X2-GW sends the message to the MeNB.Type: GrantFiled: May 10, 2016Date of Patent: December 31, 2019Assignee: KYOCERA CorporationInventors: Katsuhiro Mitsui, Masato Fujishiro
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Patent number: 10512083Abstract: A control method comprises: transmitting, by a first management apparatus included in a first network allocated with a first frequency band, to a second network allocated with a second frequency band, an allocation request signal for requesting allocation of a part of the second frequency band to the first network, the signal being generated on the basis of a usage state of the first frequency band, determining, by a second management apparatus included in the second network, on the basis of a usage state of the second frequency band, a bandwidth to be allocated to the first network out of the second frequency band and an allocated frequency band corresponding to the bandwidth; managing the allocated frequency band as unavailable; transmitting, an allocation request response signal including information indicating the allocated frequency band, to the first network; and managing the allocated frequency band as available in the first network.Type: GrantFiled: February 6, 2017Date of Patent: December 17, 2019Assignee: KYOCERA CorporationInventors: Katsuhiro Mitsui, Kugo Morita, Fangwei Tong
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Patent number: 10492177Abstract: A base station according to an embodiment comprises: a controller configured to receive an identifier of a wireless LAN access point added in a wireless LAN termination apparatus from the wireless LAN termination apparatus.Type: GrantFiled: May 20, 2016Date of Patent: November 26, 2019Assignee: KYOCERA CorporationInventors: Katsuhiro Mitsui, Masato Fujishiro, Noriyoshi Fukuta, Kugo Morita, Yushi Nagasaka, Akinori Iwabuchi, Hiroyuki Adachi
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Patent number: 10440767Abstract: A user terminal performs dual connectivity communication with a first base station and a second base station. The user terminal has a controller that performs a process of transmitting data belonging to a split bearer to the first base station via a first transmission path that passes through the first base station and via a second transmission path that passes through the second base station. When performing the process of transmitting the data to the first base station, the controller autonomously distributes the data to the first transmission path and the second transmission path without relying on an instruction from the first base station.Type: GrantFiled: October 9, 2017Date of Patent: October 8, 2019Assignee: Kyocera CorporationInventors: Yushi Nagasaka, Akinori Iwabuchi, Masato Fujishiro, Katsuhiro Mitsui, Henry Chang
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Patent number: 10425896Abstract: A communication control method according to a first aspect is used in a base station that operates in a power saving mode. The communication control method includes steps of: setting a threshold; receiving an uplink signal transmitted from a user terminal connected to a neighboring base station; and starting a process of transitioning from the power saving mode to a normal mode, in response to that a received power of the uplink signal exceeds the threshold. In the step of setting the threshold, the base station sets the threshold on the basis of information received from the neighboring base station.Type: GrantFiled: January 28, 2015Date of Patent: September 24, 2019Assignee: KYOCERA CorporationInventors: Masato Fujishiro, Katsuhiro Mitsui
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Patent number: 10341922Abstract: A radio base station according to an embodiment constitutes a mobile communication network. The radio base station comprises: a controller configured to measure a stay time for which a radio terminal has stayed on a wireless LAN. The stay time is a period from when a first process through which the radio terminal switches a waiting destination or a connection destination from the mobile communication network to the wireless LAN is performed to when a second process through which the radio terminal switches the waiting destination or the connection destination from the wireless LAN to the mobile communication network is performed.Type: GrantFiled: September 24, 2015Date of Patent: July 2, 2019Assignee: KYOCERA CorporationInventors: Katsuhiro Mitsui, Masato Fujishiro, Kugo Morita, Susumu Kashiwase, Yushi Nagasaka