Patents by Inventor Masaki Shima
Masaki Shima 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: 20240121637Abstract: A wireless communication monitoring system for monitoring a hardware failure of a wireless communication unit of a wireless communication device using a remote monitoring control device, in which the wireless communication device transmits or receives a predetermined radio signal to or from a monitoring device added or attached to the host device to perform a life and death check for checking an operation, and the remote monitoring control device detects a hardware failure of the wireless communication unit of the wireless communication device on the basis of a result of the life and death check received from the wireless communication device. This makes it possible to detect a failure that cannot be detected from information obtained from a device state request to a wireless communication device of the related art.Type: ApplicationFiled: February 17, 2021Publication date: April 11, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Akira MATSUSHITA, Mitsuru NISHINO, Munehiro MATSUI, Masaki SHIMA, Koichi HARADA, Hiroki SHIBAYAMA, Fumihiro YAMASHITA
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Publication number: 20240097344Abstract: A reflector antenna includes: a radiator that radiates a radio wave; a main reflector that reflects the radio wave radiated from the radiator in a communication direction; an expansion panel that is attached to at least a part of the main reflector to increase an area of the main reflector; and a first adjustment unit that changes a position of the radiator, or a second adjustment unit that replaces the radiator with a radiator having a different radiation angle. This configuration makes it possible to implement a large-aperture antenna having excellent transportability and operability without preparing another antenna having a large aperture and replacing a standard antenna.Type: ApplicationFiled: December 3, 2020Publication date: March 21, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Koichi HARADA, Masaki SHIMA, Hiroki SHIBAYAMA, Fumihiro YAMASHITA
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Patent number: 11855749Abstract: A satellite communication system communicates via a communication satellite using one of a plurality of portable station devices as a master station device and another portable station device as a slave station device. The master station device transmits a first control signal for the slave station device to establish synchronization. The master station device determines that the slave station device is in a communicable state by a second control signal received from the slave station device that has received the first control signal and established synchronization. The master station device selects one of at least one slave station devices in a communicable state and transmits a third control signal for instructing start of transmission of a communication signal to the selected slave station device and the subject device. Due to this, it is possible to connect a channel between portable station devices without the intervention of a control station device or a regulation station device.Type: GrantFiled: December 13, 2019Date of Patent: December 26, 2023Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Koichi Harada, Hiroki Shibayama, Masaki Shima, Fumihiro Yamashita
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Publication number: 20230254032Abstract: A portable station device performs: a coarse adjustment to the antenna direction of a target communication satellite, the antenna direction being calculated based on the longitude of the target communication satellite from satellite information about the longitudes of communication satellites, a beacon signal, and a telemetry signal and the installation location of the portable station device; measurement of the frequencies of the beacon signal and the telemetry signal; determination of whether the measured frequencies of the beacon signal and the telemetry signal are correct or not with reference to the frequencies of the beacon signal and the telemetry signal of the target communication satellite in the satellite information; and a fine adjustment on the antenna direction such that the beacon signal received in the coarsely adjusted antenna direction reaches the highest reception level, if the determination is correct.Type: ApplicationFiled: June 10, 2020Publication date: August 10, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Koichi HARADA, Masaki SHIMA, Hiroki SHIBAYAMA, Fumihiro YAMASHITA
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Publication number: 20230155667Abstract: A satellite communication earth station includes a detection unit that detects a longitude, a latitude, an altitude, an azimuth, and an inclination of the antenna, a drive unit that drives the antenna to adjust the azimuth angle, the elevation angle, and the polarization angle of the antenna to the communication satellite, a determination unit that determines whether the longitude, the latitude, the altitude, the azimuth, or the inclination detected by the detection unit or the azimuth angle, the elevation angle, or the polarization angle driven by the drive unit makes a change from an initial setting value to a predetermined threshold value or more, and a stop processing unit that stops transmission of the radio wave from the antenna when the determination unit determines that the change from the initial setting value to the predetermined threshold value or more is made.Type: ApplicationFiled: April 21, 2020Publication date: May 18, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hiroki SHIBAYAMA, Koichi HARADA, Masaki SHIMA, Fumihiro YAMASHITA
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Publication number: 20230155671Abstract: Provided is a transmission radio wave checking method for a satellite communication system provided with a portable station, wherein the portable station executes a transmission process of transmitting a test signal and a control signal with a first polarization at a designated transmit level to a communications satellite, a reception process of receiving the test signal and the control signal transmitted back from the communications satellite with a second polarization orthogonal to the first polarization, and a control process of starting the transmission of the test signal and the control signal with the first polarization at a transmit level lower than a predetermined value, and raising the transmit level to a predetermined value while checking whether or not the test signal and the control signal received back from the satellite conform to a predetermined condition.Type: ApplicationFiled: July 17, 2020Publication date: May 18, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Koichi HARADA, Masaki SHIMA, Hiroki SHIBAYAMA, Fumihiro YAMASHITA
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Publication number: 20230142947Abstract: Determination information necessary to determine accuracy of detection of a longitude, a latitude, and an altitude of an antenna is acquired, whether the accuracy of detection of the longitude, the latitude, and the altitude is in a necessary and sufficient level is determined in accordance with the acquired determination information, the longitude, the latitude, the altitude, the azimuth, and the inclination of the antenna are detected also after elapse of a predetermined time after the transmission of the radio wave from the antenna is stopped, and the antenna is driven to adjust the azimuth angle, the elevation angle, and the polarization angle of the antenna to the communication satellite in accordance with the longitude, the latitude, the altitude, the azimuth, and the inclination of the antenna detected after elapse of the predetermined time after the transmission of the radio wave from the antenna is stopped.Type: ApplicationFiled: April 21, 2020Publication date: May 11, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hiroki SHIBAYAMA, Koichi HARADA, Masaki SHIMA, Fumihiro YAMASHITA
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Publication number: 20230115735Abstract: A portable station stores satellite information related to the longitude and the beacon signal of a plurality of communications satellites, executes a rough adjustment process of computing an antenna direction with respect to a target communications satellite on the basis of the longitude of the target communications satellite acquired from the satellite information and an installation location of the portable station itself, and roughly adjusting the antenna direction of the portable station itself in the computed antenna direction, and executes a fine adjustment process of, in a case where the frequency of a beacon signal is a predetermined frequency of the target communications satellite, measuring the beacon signal while increasing or decreasing the azimuth by treating the azimuth of the roughly adjusted antenna as a reference direction, and in a case where a measurement result of a beacon signal matches the information related to the beacon signal from another communications satellite at the longitude thType: ApplicationFiled: March 30, 2020Publication date: April 13, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Koichi HARADA, Masaki SHIMA, Hiroki SHIBAYAMA, Fumihiro YAMASHITA
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Publication number: 20230072278Abstract: A satellite communication system includes a plurality of earth station apparatuses and a control earth station apparatus, the plurality of earth station apparatuses each accommodating a terminal apparatus that establishes a session by using a control message being dedicated to perform communication, the control earth station apparatus transmitting and/or receiving a control signal on a controlling line to an earth station apparatus of the plurality of earth station apparatuses via a relay satellite, and the satellite communication system performing circuit-switching of a communicating line between the plurality of earth station apparatuses that are connected by single-hop connection to allow a plurality of the terminal apparatuses to perform communication with each other.Type: ApplicationFiled: February 26, 2020Publication date: March 9, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Masaki SHIMA, Fumihiro YAMASHITA, Hiroki SHIBAYAMA, Kiyohiko ITOKAWA, Mitsuru NISHINO, Koichi HARADA
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Publication number: 20230006735Abstract: A satellite communication system communicates via a communication satellite using one of a plurality of portable station devices as a master station device and another portable station device as a slave station device. The master station device transmits a first control signal for the slave station device to establish synchronization. The master station device determines that the slave station device is in a communicable state by a second control signal received from the slave station device that has received the first control signal and established synchronization. The master station device selects one of at least one slave station devices in a communicable state and transmits a third control signal for instructing start of transmission of a communication signal to the selected slave station device and the subject device. Due to this, it is possible to connect a channel between portable station devices without the intervention of a control station device or a regulation station device.Type: ApplicationFiled: December 13, 2019Publication date: January 5, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Koichi HARADA, Hiroki SHIBAYAMA, Masaki SHIMA, Fumihiro YAMASHITA
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Publication number: 20220369116Abstract: In a band sharing communication system in which there are a primary system and a secondary system in descending order of priority of communication, the systems share frequency bands, and a base station or a line control device performs allocation of a requested band of a terminal station of each system, the base station or the line control device including: occupied band setting means for setting a primary occupied band and a secondary occupied band adjacent to the primary occupied band; band allocation means for allocating a vacant band of the primary occupied band with respect to a requested band of a primary terminal station and allocating a vacant band of the secondary occupied band with respect to a requested band of a secondary terminal station; and band transferring means for, when there is no vacant band in the primary occupied band with respect to a requested band of the primary terminal station, transferring a band of the secondary occupied band from the secondary occupied band to the primary occupiType: ApplicationFiled: July 24, 2019Publication date: November 17, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Daisuke GOTO, Fumihiro YAMASHITA, Munehiro MATSUI, Hiroki SHIBAYAMA, Yutaka IMAIZUMI, Koichi HARADA, Izumi URATA, Masaki SHIMA, Takeshi ONIZAWA
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Publication number: 20220279357Abstract: In a band sharing communication system in which there are a primary system and a secondary system in descending order of priority of communication, the systems share frequency bands, and a base station or a line control device performs allocation of a requested band of a terminal station of each system, the base station or the line control device includes: occupied band setting means for setting a primary occupied band and a secondary occupied band adjacent to the primary occupied band; band allocation means for allocating a vacant band of the primary occupied band with respect to a requested band of a primary terminal station and allocating a vacant band of the secondary occupied band with respect to a requested band of a secondary terminal station; and band transferring means for, when there is no vacant band in the primary occupied band with respect to the requested band of the primary terminal station, if a vacant band equivalent to the requested band is present in the secondary occupied band such that thType: ApplicationFiled: July 24, 2019Publication date: September 1, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Daisuke GOTO, Fumihiro YAMASHITA, Munehiro MATSUI, Hiroki SHIBAYAMA, Yutaka IMAIZUMI, Koichi HARADA, Izumi URATA, Masaki SHIMA
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Publication number: 20220272702Abstract: A band sharing communication system in which there are an N-ary system and an N+1-ary system in descending order of priority of communication, the systems share frequency bands and allocation of a requested band of a terminal station of each system is performed, includes: occupied band setting means for setting an N-ary occupied band and an N+1-ary occupied band adjacent to the N-ary occupied band; band allocation means for allocating a vacant band of the N-ary occupied band with respect to a requested band of an N-ary terminal station and allocating a vacant band of the N+1-ary occupied band with respect to a requested band of an N+1-ary terminal station; and band transferring means for, when there is no vacant band in the N-ary occupied band with respect to the requested band of the N-ary terminal station, if a vacant band equivalent to the requested band is present in the N+1-ary occupied band such that the vacant band is adjacent to the N-ary occupied band, transferring the vacant band from the N+1-ary ocType: ApplicationFiled: July 24, 2019Publication date: August 25, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Daisuke GOTO, Fumihiro YAMASHITA, Munehiro MATSUI, Hiroki SHIBAYAMA, Yutaka IMAIZUMI, Koichi HARADA, Izumi URATA, Masaki SHIMA
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Publication number: 20190221680Abstract: A second protective member has a slit for exposing a lead wiring member from a solar cell panel. A terminal box is connected to the lead wiring member from the slit in the second protective member. A bonding member bonds the terminal box and the second protective member. A peripheral portion around the slit in the second protective member projects farther than a non-peripheral portion other than the peripheral portion. The bonding member is provided in the non-peripheral portion in the second protective member.Type: ApplicationFiled: March 28, 2019Publication date: July 18, 2019Inventors: Toshiyuki SAKUMA, Ryoji NAITO, Kengo MATSUNE, Masaki SHIMA, Hiroyuki KANNOU
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Patent number: 10269992Abstract: A solar cell has multiple busbar electrodes formed at intervals and multiple finger electrodes formed between the busbar electrodes. The finger electrodes comprise multiple finger parts connected only to one busbar electrode and multiple finger parts connected to only another busbar electrode. The adjacent multiple finger parts are connected to one another, and the adjacent multiple finger parts are connected to one another.Type: GrantFiled: May 29, 2015Date of Patent: April 23, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hironobu Tsujimoto, Naohiro Hitachi, Masaki Shima, Toshie Kunii, Shingo Okamoto
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Patent number: 10014432Abstract: Provided is a method for manufacturing a solar cell with improved output characteristics. A hydrogen radical treatment, in which ions are not used, is performed on at least one of the first and second semiconductor layers (11, 13).Type: GrantFiled: February 25, 2016Date of Patent: July 3, 2018Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tomonori Ueyama, Motohide Kai, Masaki Shima
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Patent number: 9818904Abstract: In a processing of immersing substrates in a chemical solution, and agitating the chemical solution by as bubbles or liquid, the gas bubbles or liquid is supplied so as to bring about alternate occurrence of a first state and a second state. The first state is a state in which an amount of the gas bubbles or the liquid supplied to first side in one direction of each substrate is greater than an amount of the gas bubbles or the liquid supplied to a second side in the one direction of the substrate. The second state is a state in which the amount of the gas bubbles or the liquid supplied to the first side in the one direction of the substrate is smaller than the amount of the gas bubbles or the liquid supplied to the second side in the one direction of the substrate.Type: GrantFiled: January 7, 2015Date of Patent: November 14, 2017Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Masaki Shima, Shinji Kobayashi
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Publication number: 20160181461Abstract: Provided is a method for manufacturing a solar cell with improved output characteristics. A hydrogen radical treatment, in which ions are not used, is performed on at least one of the first and second semiconductor layers (11, 13).Type: ApplicationFiled: February 25, 2016Publication date: June 23, 2016Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tomonori UEYAMA, Motohide KAI, Masaki SHIMA
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Publication number: 20150263194Abstract: A solar cell has multiple busbar electrodes formed at intervals and multiple finger electrodes formed between the busbar electrodes. The finger electrodes comprise multiple finger parts connected only to one busbar electrode and multiple finger parts connected to only another busbar electrode. The adjacent multiple finger parts are connected to one another, and the adjacent multiple finger parts are connected to one another.Type: ApplicationFiled: May 29, 2015Publication date: September 17, 2015Inventors: Hironobu TSUJIMOTO, Naohiro HITACHI, Masaki SHIMA, Toshie KUNII, Shingo OKAMOTO
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Publication number: 20150125986Abstract: In a processing of immersing substrates in a chemical solution, and agitating the chemical solution by as bubbles or liquid, the gas bubbles or liquid is supplied so as to bring about alternate occurrence of a first state and a second state. The first state is a state in which an amount of the gas bubbles or the liquid supplied to first side in one direction of each substrate is greater than an amount of the gas bubbles or the liquid supplied to a second side in the one direction of the substrate. The second state is a state in which the amount of the gas bubbles or the liquid supplied to the first side in the one direction of the substrate is smaller than the amount of the gas bubbles or the liquid supplied to the second side in the one direction of the substrate.Type: ApplicationFiled: January 7, 2015Publication date: May 7, 2015Inventors: Masaki SHIMA, Shinji KOBAYASHI