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).

  • Patent number: 10389086
    Abstract: A two-dimensional photonic-crystal surface-emitting laser 10 includes: a two-dimensional photonic crystal (two-dimensional photonic crystal layer 12) including a plate-shaped base body 121 having a predetermined size in which modified refractive index areas 122 whose refractive index differs from the base body are periodically arranged in a two-dimensional pattern; an active layer 11 provided on one side of the two-dimensional photonic crystal; and first and second electrodes 15 and 16 facing each other across the two-dimensional photonic crystal and the active layer 11, for supplying an electric current to the active layer 11. The modified refractive index areas 122 are provided in such a manner that the in-plane occupancy of those areas 122 in the base body 121 decreases, or the lattice constant for those areas 122 increases, in the direction from an outer edge toward the center of a current passage region 21 which is a region where the electric current passes through the two-dimensional photonic crystal.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: August 20, 2019
    Assignees: KYOTO UNIVERSITY, ROHM CO., LTD., HAMAMATSU PHOTONICS K.K., MITSUBISHI ELECTRIC CORPORATION
    Inventors: Susumu Noda, Hitoshi Kitagawa, Yoshinori Tanaka
  • Publication number: 20190253099
    Abstract: A radio communication apparatus includes: a modulating unit that modulates data to be transmitted by being arranged in a first resource area of a radio signal; a first spreading modulation unit that performs, by using a code, spreading modulation on data to be transmitted by being arranged in a second resource area provided in the first resource area; a mapping unit that maps the data modulated by the modulating unit onto the first resource area and that maps the data subjected to the spreading modulation by the first spreading modulation unit onto the second resource area; and a transmitter that transmits a signal obtained by mapping performed by the mapping unit.
    Type: Application
    Filed: April 24, 2019
    Publication date: August 15, 2019
    Applicant: FUJITSU LIMITED
    Inventor: YOSHINORI TANAKA
  • Patent number: 10371245
    Abstract: A first chamber for introducing thereinto the air inside a transmission case from an introduction opening, a second chamber for leading out air from a lead-out hole to a vent valve, and a shielding part for shielding the first and second chambers excluding a ventilation opening so that the first chamber is larger than the second chamber in volume are formed adjacent to a plate member in a first case. The introduction opening is formed by separating side surfaces of the first and second chambers using the plate member.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: August 6, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yoshinori Tanaka, Shinji Nagahama, Yohei Azuma
  • Patent number: 10366995
    Abstract: A semiconductor structure includes a substrate, and first isolation structures, at least one buried word line and at least one second isolation structure which are disposed in the substrate. The buried word line intersects the first isolation structures. The second isolation structure intersects the first isolation structures. A material of at least a portion of the second isolation structure is different from a material of the first isolation structures.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: July 30, 2019
    Assignee: Winbond Electronics Corp.
    Inventors: Wei-Che Chang, Yoshinori Tanaka
  • Patent number: 10332572
    Abstract: Provided is a memory device including a substrate, isolation structures, conductive pillars, and bit-line structures. The substrate includes active areas. The active areas are arranged as a first array. The isolation structures are located in the substrate and extending along a Y direction. Each of the isolation structures is arranged between the active areas in adjacent two columns. The conductive pillars are located on the substrate and arranged as a second array. The conductive pillars in adjacent two rows are in contact with the active areas arranged as the same column, to form a first contact region and a second contact region. The bit-line structures are arranged on the substrate in parallel along a X direction. Each of the bit-line structures is in contact with the active areas arranged as the same column, to form a third contact region between the first and second regions.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: June 25, 2019
    Assignee: Winbond Electronics Corp.
    Inventors: Wei-Che Chang, Yoshinori Tanaka
  • Publication number: 20190186386
    Abstract: 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: Application
    Filed: November 30, 2018
    Publication date: June 20, 2019
    Inventors: Akira TANAKA, Hiroki OSO, Yoshinori TANAKA, Hideyuki KOYAMA, Takahiro YAMAZAKI, Nobuyoshi OKADA
  • Publication number: 20190175005
    Abstract: The disclosed technology is directed to a fixing unit of a light guide member. The fixing unit is attaching the light guide member to a protective member that protects outer circumference of the light guide member that guides primary light and a holding member. The fixing unit comprises a defining member forming a spatial region in which the protective member and the holding member are encapsulated separately from one another in a longitudinal axis direction of the fixing unit. An adhesive that is applied in the spatial region to bond at least part of the protective member and at least part of the holding member to the defining member. The defining member includes a specific region that defines a bonding range of the adhesive in the spatial region in at least one of a longitudinal axis direction and a radial direction of the defining member.
    Type: Application
    Filed: February 20, 2019
    Publication date: June 13, 2019
    Applicant: Olympus Corporation
    Inventor: Yoshinori Tanaka
  • Publication number: 20190182088
    Abstract: 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: Application
    Filed: January 24, 2019
    Publication date: June 13, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Masatsugu Shimizu, YOSHINORI TANAKA
  • Patent number: 10316680
    Abstract: A turbine is provided with a seal device. The seal device includes: at least one step surface disposed in a region of an outer peripheral surface of a rotor facing a shroud of a stationary vane in the radial direction of the rotor, the at least one step surface facing upstream in a flow direction of the fluid and dividing the region of the outer peripheral surface into at least two sections in an axial direction of the rotor: at least two seal fins protruding toward the at least two sections from the stationary vane and facing the at least two sections via a seal gap; and a swirling-component application portion disposed on an end side of the shroud of the stationary vane with respect to the axial direction of the rotor and configured to be capable of applying a swirling component to the fluid flowing toward the seal gap.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: June 11, 2019
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Yoshihiro Kuwamura, Hiroharu Oyama, Yoshinori Tanaka, Hideaki Sugishita
  • Patent number: 10316679
    Abstract: A seal structure (2) for sealing a gap between a first structure body (10) and a second structure body (51). The seal structure includes: a peripheral surface formed on one of the first structure body and the second structure body; a plurality of seal fins (5) provided at intervals in the axial direction so as to form clearances (m) together with the peripheral surface and protrusions that form re-adhesion edges between pairs of axially adjacent seal fins; the re-adhesion edges being locations at which leak currents (SL) re-adhere that have passed through a clearance (mA) of an upstream seal fin; and the protrusions forming first cavities in which eddies (B1) are created that flow along the upstream seal fin toward the second structure body, and second cavities in which currents (B2) are created that cause a contraction current effect on a clearance (mB) of a downstream seal fin.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: June 11, 2019
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Toyoharu Nishikawa, Yoshihiro Kuwamura, Hiroharu Oyama, Yoshinori Tanaka, Shin Nishimoto, Kazuyuki Matsumoto, Hidekazu Uehara
  • Patent number: 10316675
    Abstract: A seal device of a turbine includes: at least one step surface disposed on a radially outer surface of a rotor blade facing a first radial-directional gap or on an outer peripheral surface of a rotor facing a second radial-directional gap, the at least one step surface facing upstream in a flow direction of a fluid and dividing the radially outer surface of the rotor blade or the outer peripheral surface of the rotor into at least two sections in an axial direction of the rotor; at least two seal fins protruding toward the at least two sections, respectively, from a surrounding member or the stationary vane, and facing the at least two sections via a seal gap, respectively, the at least two seal fins forming a cavity which extends over the at least one step surface in the axial direction of the rotor between each other.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: June 11, 2019
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Yoshihiro Kuwamura, Hiroharu Oyama, Yoshinori Tanaka, Hideaki Sugishita
  • Publication number: 20190159183
    Abstract: A base station to be used in a communication system in which an uplink and a downlink are time-multiplexed, includes: a controller configured to set a first time period and a second time period in a single frequency block among multiple frequency blocks included in the uplink or the downlink and set symbol lengths or cyclic prefixes for the set first and second time periods so that the symbol lengths or cyclic prefixes set for the first time period are different from the symbol lengths or cyclic prefixes set for the second time period; and a transmitter configured to transmit setting information of the set symbol lengths or the set cyclic prefixes to the user equipment.
    Type: Application
    Filed: January 23, 2019
    Publication date: May 23, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Tsuyoshi Shimomura, Jianming Wu, YOSHINORI TANAKA
  • Publication number: 20190157836
    Abstract: A two-dimensional photonic crystal including a plate-shaped base body in which modified refractive index areas differs from the base body are periodically arranged in a two-dimensional pattern; an active layer provided on one side of the two-dimensional photonic crystal; and first and second electrodes facing each other across the two-dimensional photonic crystal and the active layer, for supplying an electric current to the active layer. The modified refractive index areas are provided in the in-plane occupancy of areas in the base body increases, or the lattice constant for those areas decreases, in the direction from an outer edge toward the center of a current passage region where the electric current passes through the two-dimensional photonic crystal. A stable laser oscillation can be obtained when temperature distribution is lower at the outer edge and higher at the center of the current passage region is formed within the two-dimensional photonic crystal.
    Type: Application
    Filed: August 25, 2016
    Publication date: May 23, 2019
    Applicants: KYOTO UNIVERSITY, ROHM CO., LTD., HAMAMATSU PHOTONICS K.K., MITSUBISHI ELECTRIC CORPORATION
    Inventors: Susumu NODA, Hitoshi KITAGAWA, Yoshinori TANAKA
  • Publication number: 20190150131
    Abstract: A base station device communicates with a user equipment by using a frame including a downlink region in which a signal for a downlink is allocated and an uplink region in which a signal for an uplink is allocated. The base station device includes: a guard period determination unit, a frame configuration determination unit, a notification unit, and a communication circuit. The guard period determination unit determines a length of a guard period provided between the downlink region and the uplink region based on a transmission delay between the base station device and the user equipment. The frame configuration determination unit determines a configuration of the frame based on the length of the guard period. The notification unit notifies the user equipment of configuration information that indicates the configuration of the frame. The communication circuit communicates with the user equipment based on the configuration of the frame.
    Type: Application
    Filed: January 16, 2019
    Publication date: May 16, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Hongyang CHEN, Tsuyoshi Shimomura, Jianming Wu, YOSHINORI TANAKA
  • Patent number: 10281839
    Abstract: A developer supply device includes a container body that receives and contains a developer with which a toner cartridge is filled and that has a supply port used for supplying the developer, which is contained in the container body, to a developing device, a sensing member that detects the developer contained in the container body, a first transport member that is rotatably disposed in the container body and that transports the developer at a first transport speed by rotating, and a second transport member that is rotatably disposed in the container body in such a manner as to face the sensing member and that transports the developer at a second transport speed that is higher than the first transport speed by rotating.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: May 7, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yoshinori Tanaka, Atsushi Funada, Hideki Kuge, Seigo Shinozaki, Takayuki Yamada
  • Publication number: 20190132825
    Abstract: A wireless communications system configured to perform wireless communication by using a first band dedicated to the system and a second band shared by the system and another wireless communications system, the system including: a base station configured to transmit in the first band to the terminal, a control signal permitting data transmission in the second band from a terminal to the base station; and the terminal configured to detect an available carrier wave of the second band after a predetermined time from the transmission of the control signal by the base station, the terminal performing the data transmission after waiting until detection of the available carrier wave.
    Type: Application
    Filed: December 27, 2018
    Publication date: May 2, 2019
    Applicant: FUJITSU CONNECTED TECHNOLOGIES LIMITED
    Inventor: YOSHINORI TANAKA
  • Publication number: 20190116589
    Abstract: A terminal apparatus includes a receiver configured to receive a radio signal; processor circuitry configured to generate a response signal to respond to the received radio signal; and a transmitter configured to transmit a plurality of types of signals including the generated response signal, wherein a size of a radio resource to be used for transmitting the generated response signal is changed when the plurality of types of signals including the generated response signal are transmitted on one physical uplink control channel (PUCCH) resource.
    Type: Application
    Filed: December 12, 2018
    Publication date: April 18, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Tsuyoshi Shimomura, YOSHINORI TANAKA
  • Patent number: 10264443
    Abstract: A communications system includes a first mobile terminal; a second mobile terminal that includes one or more mobile terminals in a state of being unable to directly communicate with the first mobile terminal and that transmits to a network, via a base station, service information indicating communications services that the second mobile terminal is able to provide in inter-terminal communication; and a communications apparatus that is provided on the network and that transmits to the first mobile terminal, information related to a communications service that the first mobile terminal is able to use, among the communications services indicated by the service information transmitted by the second mobile terminal.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: April 16, 2019
    Assignee: FUJITSU CONNECTED TECHNOLOGIES LIMITED
    Inventor: Yoshinori Tanaka
  • Patent number: 10251176
    Abstract: A radio communication apparatus to perform communication with another radio communication apparatus by using a plurality of frequency bands, the radio communication apparatus includes: a receiver configured to receive, when performing a random access procedure to the another radio communication apparatus, a control message by using a first frequency band as a message transmitted by the radio communication apparatus at a last of the random access procedure, the control message instructing communication using a second frequency band different from the first frequency band; and a controller configured to control communication according to reception of the control message, to perform data communication with the another radio communication apparatus by using the second frequency band.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: April 2, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Yoshiaki Ohta, Yoshihiro Kawasaki, Tetsuya Yano, Yoshinori Tanaka
  • Publication number: 20190088831
    Abstract: A light emitting device includes: a first light emitting unit (10) which includes: a first blue light emitting element (11) emitting emission light with the peak wavelength being a first wavelength; and a first phosphor layer (12) and outputs white light of a first chromaticity; and a second light emitting unit (20) which includes: a second blue light emitting element (21) emitting emission light the peak wavelength being a second wavelength, the second wavelength being longer than the first wavelength; and a second phosphor layer; and outputs white light of a second chromaticity. In an xy chromaticity diagram, the first and second chromaticities are located symmetrically with respect to a predetermined chromaticity, and the difference between the predetermined chromaticity and each of the first and second chromaticities is not greater than 0.04.
    Type: Application
    Filed: July 21, 2016
    Publication date: March 21, 2019
    Applicant: Sanken Electric Co., Ltd.
    Inventors: Hitoshi MUROFUSHI, Masanori HOSHINO, Yoshinori TANAKA