Patents by Inventor Yoshinori Tanaka
Yoshinori Tanaka 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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Patent number: 10887880Abstract: A wireless communication system includes: a transmitting apparatus to transmit using one or more of radio resources; and a receiving apparatus to store correspondence information indicating a correspondence between a resource amount and a data size, the transmitting apparatus transmits to the receiving apparatus, data mapped to the radio resources, where the transmitting apparatus transmits a single control signal associated with the data to be transmitted across a plurality of time resource, the transmitting apparatus transmits a single control signal associated with the data transmitted across a plurality of frequency resources, the single control signal includes information indicating a value based on a number of the plurality of time resources, a number of the plurality of frequency resources, or information indicating a first resource amount wherein the receiving apparatus acquires a first data size being dependent on the value, the first resource amount, and correspondence information, and decode the daType: GrantFiled: July 23, 2018Date of Patent: January 5, 2021Assignee: Fujitsu LimitedInventors: Tetsuya Yano, Yoshiaki Ohta, Yoshinori Tanaka
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Patent number: 10880142Abstract: A radio communication method includes: by a radio terminal device, generating position indicating signals that are different between blocks of radio resources each of which is an allocation unit of data; mapping the position indicating signals generated and transmission data to the blocks; and transmitting a signal including the blocks; by a base station device, receiving the signal including the blocks of the radio resources; evaluating continuity of the blocks, based on the position indicating signals mapped to the blocks; and demodulating data mapped to the blocks for each radio terminal device, based on an evaluation result.Type: GrantFiled: January 24, 2019Date of Patent: December 29, 2020Assignee: FUJITSU LIMITEDInventors: Masatsugu Shimizu, Yoshinori Tanaka
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Patent number: 10866343Abstract: An object to provide a photonic crystal capable of resonating light at more resonant frequencies within a particular frequency range. A plurality of photonic crystal structure formation bodies each including a plate-like member in which cyclic refractive index distribution is formed are provided so as to be spaced apart from each other in the thickness direction of the plate-like member, and the respective refractive index distributions of the plurality of photonic crystal structure formation bodies are set such that: at least one of the plurality of photonic crystal structure formation bodies resonates with light having at least two frequencies within the frequency range; and the two frequencies are different from resonant frequencies of at least one of the other photonic crystal structure formation bodies.Type: GrantFiled: April 15, 2014Date of Patent: December 15, 2020Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Susumu Noda, Ardavan Oskooi, Yoshinori Tanaka
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Patent number: 10863485Abstract: A radio communication device includes: a communication circuit configured to transmit and receive a signal to and from other radio communication device; and a control circuit configured to cause the communication circuit to transmit, through a control channel in a first layer, first acknowledgement information to the other radio communication device, the first acknowledgement information indicating whether data in a second layer different from the first layer is normally received from the other radio communication device.Type: GrantFiled: June 28, 2018Date of Patent: December 8, 2020Assignee: FUJITSU LIMITEDInventors: Yoshiaki Ohta, Yoshihiro Kawasaki, Yoshinori Tanaka, Shinichiro Aikawa
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Patent number: 10856318Abstract: A base station includes a licensed band transmitting unit, a determining unit, and an unlicensed band transmitting unit. The licensed band transmitting unit transmits, to a terminal, a control signal for specifying a resource in a shared band to be used for data transmission by the terminal. The determining unit determines whether the resource in the shared band is idle or busy. The unlicensed band transmitting unit transmits a permission signal for permitting transmission in the shared band when the determining unit determines that the resource in the shared band is idle. The control signal or the permission signal includes an offset indicating a time from the permission signal to a start of transmission of data from the terminal to the base station with reference to the permission signal transmitted from the unlicensed band transmitting unit.Type: GrantFiled: May 8, 2020Date of Patent: December 1, 2020Assignee: FUJITSU LIMITEDInventor: Yoshinori Tanaka
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Publication number: 20200340388Abstract: Provided is an exhaust system for an engine in which a fastening force of a fastener hardly decreases. An exhaust system for an engine includes: an exhaust passage component of ferrous metal; and a fastener that fastens the exhaust passage component to other parts, the exhaust passage component including a pressure receiving surface that receives a fastening force of the fastener. The oxide film of triiron tetraoxide is formed on the pressure receiving surface of the exhaust passage component. It is preferable that the oxide film of triiron tetraoxide be also formed on an outer surface other than the pressure receiving surface of the exhaust passage component. It is preferable that the oxide film of triiron tetraoxide be also formed on an inner surface of the exhaust passage component.Type: ApplicationFiled: April 24, 2020Publication date: October 29, 2020Inventors: Hiroki OSO, Nobuyoshi OKADA, Hideyuki KOYAMA, Yoshinori TANAKA, Kenji OKAMOTO
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Patent number: 10815911Abstract: There is provided an engine stopping device including a stopping solenoid, where an operating shaft, interlocked to a control rack of a fuel injection pump, is rotatably supported by an engine case in a pass-through manner. The control rack is forcibly movable to a stopping position by an action of the stopping solenoid on an operation arm provided for a projecting portion of the operating shaft in an integrally rotatable manner. An extending-retracting rod of the stopping solenoid and the operation arm are interlocked by fitting engagement between a pin provided for the extending-retracting rod and a cut-out portion of the operation arm. The cut-out portion is configured in a shape elongated along a direction perpendicular to a movement trajectory of the extending-retracting rod.Type: GrantFiled: November 30, 2018Date of Patent: October 27, 2020Assignee: KUBOTA CORPORATIONInventors: Akira Tanaka, Hiroki Oso, Yoshinori Tanaka, Hideyuki Koyama, Takahiro Yamazaki, Nobuyoshi Okada
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Patent number: 10770629Abstract: A light emitting device includes: a substrate (40); blue light emitting elements (10) arranged on the main surface of the substrate (40); and a phosphor sheet (30) containing a phosphor that is excited by emission light from the blue light emitting elements and emits excitation light, the phosphor sheet (30) being disposed above the blue light emitting elements (30), wherein the blue light emitting elements (10) includes first blue light emitting elements (11) which emit first emission light having a first wavelength taken as a peak wavelength of a light emission spectrum, and second blue light emitting elements (12) which emit second emission light having a second wavelength taken as a peak wavelength of a light emission spectrum, and the second wavelength being a longer wavelength than the first wavelength by a wavelength difference of at least 10 nm.Type: GrantFiled: January 31, 2017Date of Patent: September 8, 2020Assignee: Sanken Electric Co., Ltd.Inventors: Tsutomu Yokota, Takaya Ueno, Masanori Hoshino, Yoshinori Tanaka, Hitoshi Murofushi
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Publication number: 20200275469Abstract: A base station includes a licensed band transmitting unit, a determining unit, and an unlicensed band transmitting unit. The licensed band transmitting unit transmits, to a terminal, a control signal for specifying a resource in a shared band to be used for data transmission by the terminal. The determining unit determines whether the resource in the shared band is idle or busy. The unlicensed band transmitting unit transmits a permission signal for permitting transmission in the shared band when the determining unit determines that the resource in the shared band is idle. The control signal or the permission signal includes an offset indicating a time from the permission signal to a start of transmission of data from the terminal to the base station with reference to the permission signal transmitted from the unlicensed band transmitting unit.Type: ApplicationFiled: May 8, 2020Publication date: August 27, 2020Applicant: FUJITSU LIMITEDInventor: YOSHINORI TANAKA
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Publication number: 20200251887Abstract: A method for manufacturing a surface emitting laser made of a group-III nitride semiconductor by an MOVPE method includes: (a) of growing a first cladding layer of a first conductive type on a substrate; (b) of growing a first optical guide layer of the first conductive type on the first cladding layer; (c) of forming holes having a two-dimensional periodicity in a plane parallel to the first optical guide layer, in the first optical guide layer by etching; (d) supplying a gas containing a group-III material and a nitrogen source and performing growth to form recessed portions having a facet of a predetermined plane direction above openings of the holes, thereby closing the openings of the holes; and (e) of planarizing the recessed portions by mass transport, after the openings of the holes have been closed, wherein after said the planarizing, at least one side surface of the holes is a {10-10} facet.Type: ApplicationFiled: February 27, 2018Publication date: August 6, 2020Applicants: KYOTO UNIVERSITY, STANLEY ELECTRIC CO., LTD.Inventors: Susumu NODA, Yoshinori TANAKA, Menaka DE ZOYSA, Junichi SONODA, Tomoaki KOIZUMI, Kei EMOTO
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Patent number: 10735977Abstract: A first communication device transmits a signal addressed to a second communication device by the use of one of resources included in a resource pool selected from a set of resource pools. On the other hand, each of third communication devices which relay the radio communication between the first communication device and the second communication device selects one resource pool from the set of resource pools in accordance with a predetermined rule which is defined on the basis of a hop count at the third communication device in the radio communication between the first communication device and the second communication device and the resource pool selected by the first communication device, and transfer the signal addressed to the second communication device by the use of one of the resources included in the selected resource pool to a next communication device in a relay order or the second communication device.Type: GrantFiled: September 21, 2018Date of Patent: August 4, 2020Assignee: FUJITSU LIMITEDInventors: Hongyang Chen, Yoshinori Tanaka
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Patent number: 10728724Abstract: A communication device supports a D2D (Device-to-Device) communication and includes a storage, a scheduler and a transmitter. The storage stores a first resource pool information that indicates first resource pool including control resources allocated to control information for transmitting data and a second resource pool information that indicates second resource pool including data resources allocated to data. The scheduler selects a first resource for transmitting control information from the first resource pool and selects a second resource for transmitting data from the second resource pool. The transmitter transmits the control information by using the first resource and transmit the data by using the second resource. The scheduler selects the second resource from the second resource pool according to a received signal intensity in at least one of resources included in the first resource pool and the second resource pool.Type: GrantFiled: April 30, 2018Date of Patent: July 28, 2020Assignee: FUJITSU LIMITEDInventors: Hongyang Chen, Tsuyoshi Shimomura, Yoshinori Tanaka
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Publication number: 20200208745Abstract: A spool valve includes: a cylindrical tubular sleeve that extends in an axial direction and comprises a first port and a second port separated from each other in the axial direction, and a cylindrical columnar spool that extends in the axial direction and comprises a diameter reduced portion. The cylindrical columnar spool moves in the axial direction through the sleeve and opens and closes the first port to cause the first port to or not to communicate with the second port, and the first port has a first through hole having a first width in a circumferential direction of the sleeve, and a second through hole having a second width different from the first width in the circumferential direction.Type: ApplicationFiled: December 20, 2019Publication date: July 2, 2020Applicant: CKD CORPORATIONInventors: Yasuhisa Hirose, Takahiro Minatani, Keiichi Nishikawa, Yoshinori Tanaka, Naofumi Yoshida
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Patent number: 10693619Abstract: A radio communication device includes: a communication circuit configured to transmit and receive a signal to and from first radio communication device; and a control circuit configured to cause the communication circuit to receive a first signal in a first layer, the first signal being configured to include data in a second layer different from the first layer, and cause the communication circuit to transmit, through a first radio resource on a shared channel, acknowledgement information when the first signal from the first radio communication device is received, the first radio resource being selected from among the shared channel without scheduling information from the first communication device, the acknowledge information indicating whether the data in the second layer is normally received from the first radio communication device.Type: GrantFiled: July 3, 2018Date of Patent: June 23, 2020Assignee: FUJITSU LIMITEDInventors: Yoshiaki Ohta, Yoshihiro Kawasaki, Yoshinori Tanaka, Shinichiro Aikawa
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Patent number: 10681718Abstract: According to one embodiment, a base station includes a licensed band transmitting unit, a determining unit, and an unlicensed band transmitting unit. The licensed band transmitting unit transmits, to a terminal, a control signal for specifying a resource in a shared band to be used for data transmission by the terminal. The determining unit determines whether the resource in the shared band is idle or busy. The unlicensed band transmitting unit transmits a permission signal for permitting transmission in the shared band when the determining unit determines that the resource in the shared band is idle. The control signal or the permission signal includes an offset indicating a time from the permission signal to a start of transmission of data from the terminal to the base station with reference to the permission signal transmitted from the unlicensed band transmitting unit.Type: GrantFiled: September 13, 2017Date of Patent: June 9, 2020Assignee: FUJITSU LIMITEDInventor: Yoshinori Tanaka
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Patent number: 10678163Abstract: A powder passage component includes a first passage defining unit, a second passage defining unit, and a sealing section. The first passage defining unit has at least a first connecting opening which is formed at a part thereof and which has a first peripheral edge. The first passage defining unit defines a passage space which allows powder to pass therethrough. The second passage defining unit has a second connecting opening having a second peripheral edge, is connected to the first connecting opening of the first passage defining unit at the second connecting opening, and defines a passage space which allows the powder to pass therethrough. The sealing section seals the first peripheral edge and the second peripheral edge. The sealing section includes a liquid gasket. The sealing section has a groove that has a bottom portion and a side facing the corresponding passage space. The groove is formed along one of the first peripheral edge and the second peripheral edge.Type: GrantFiled: March 5, 2019Date of Patent: June 9, 2020Assignee: FUJI XEROX CO., LTD.Inventor: Yoshinori Tanaka
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Publication number: 20200165920Abstract: A steam turbine blade includes a blade body (7) including blade surfaces (70) extending in a blade height direction. The blade body (7) includes a first suction port (74) extending in the blade height direction and opening in the blade surface (70), a first drain flow path (75) internally extending in the blade height direction, and first communication passages (76) internally provided away from one another in the blade height direction and independently of one another and making the first drain port (74) and the first drain flow path (75) in communication with each other.Type: ApplicationFiled: August 27, 2018Publication date: May 28, 2020Applicant: Mitsubishi Hitachi Power Systems, Ltd.Inventors: Yasuhiro Sasao, Soichiro Tabata, Shohei Danno, Yoshinori Tanaka, Hideyuki Toda, Yu Shibata
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Publication number: 20200154478Abstract: A wireless communications system includes a base station; and a terminal; wherein the base station includes a transmitter configured to transmit to the terminal using a physical downlink control channel, information used for assignment of first candidate and second candidate of a utilization resource in an unlicensed band for transmitting a wireless signal; and a receiver configured to receive the wireless signal from the terminal; and the terminal includes a receiver configured to receive the information; and a transmitter configured to transmit the wireless signal to the base station using the first candidate when the first candidate is idle, or using the second candidate when the first candidate is not idle and the second candidate is idle; and wherein the assignment of the first candidate and the second candidate by the base station is performed by allocating a plurality of subframes.Type: ApplicationFiled: January 13, 2020Publication date: May 14, 2020Applicant: FUJITSU LIMITEDInventors: Tetsuya YANO, Yoshinori TANAKA, Michiharu NAKAMURA
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Patent number: 10652005Abstract: A radio communication device includes: a communication circuit configured to transmit and receive a signal to and from first radio communication device; and a control circuit configured to cause the communication circuit to receive a first signal in a first layer, the first signal being configured to include data in a second layer different from the first layer, and cause the communication circuit to transmit, through a first radio resource on a shared channel, acknowledgement information when the first signal from the first radio communication device is received, the first radio resource being selected from among the shared channel without scheduling information from the first communication device, the acknowledge information indicating whether the data in the second layer is normally received from the first radio communication device.Type: GrantFiled: July 3, 2018Date of Patent: May 12, 2020Assignee: FUJITSU LIMITEDInventors: Yoshiaki Ohta, Yoshihiro Kawasaki, Yoshinori Tanaka, Shinichiro Aikawa
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Patent number: RE48085Abstract: Disclosed herein is a semiconductor integrated circuit, wherein a desired circuit is formed by combining and laying out a plurality of standard cells and connecting the cells together, of which the cell length, i.e., the gap between a pair of opposed sides, is standardized, the plurality of standard cells forming the desired circuit include complementary in-phase driven standard cells, each of which includes a plurality of complementary transistor pairs that are complementary in conductivity type to each other and have their gate electrodes connected together, and N (?2) pairs of all the complementary transistor pairs are driven in phase, and the size of the standardized cell length of the complementary in-phase driven standard cell is defined as an M-fold cell length which is M (N?M?2) times the basic cell length which is appropriate to the single complementary transistor pair.Type: GrantFiled: January 29, 2018Date of Patent: July 7, 2020Assignee: Sony CorporationInventor: Yoshinori Tanaka