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).

  • Publication number: 20200045740
    Abstract: A wireless communications system configured to use a predetermined bandwidth of an unlicensed bandwidth, the wireless communications system including: a base station configured to transmit a control signal that includes information indicating an offset time from a reference timing; and a terminal connected to the base station and configured to: receive the control signal from the base station; perform a process of detecting a wireless signal of the predetermined bandwidth in a standard period; and start transmission from a transmission start timing according to the offset time after no wireless signal of the predetermined bandwidth is detected in the process, the transmission start timing being a timing at which the terminal is allowed to start transmission of wireless signals.
    Type: Application
    Filed: October 8, 2019
    Publication date: February 6, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Tsuyoshi Shimomura, Yoshinori Tanaka
  • Publication number: 20190393226
    Abstract: A dynamic random access memory (DRAM) and methods of manufacturing, writing and reading the same. The DRAM includes a substrate, a bit line, a sidewall structure and an interconnection structure. The bit line is disposed on the substrate. The sidewall structure is disposed on a sidewall of the bit line. The sidewall structure includes a first insulation layer, a second insulation layer, and a shield conductor layer. The first insulation layer is disposed on the sidewall of the bit line. The second insulation layer is disposed on the first insulation layer. The shield conductor layer is disposed between the first insulation layer and the second insulation layer. The interconnection structure is electrically connected to the shield conductor layer. The DRAM and the manufacturing, writing and reading methods thereof can effectively reduce the parasitic capacitance of the bit line.
    Type: Application
    Filed: November 21, 2018
    Publication date: December 26, 2019
    Applicant: Winbond Electronics Corp.
    Inventors: Yoshinori Tanaka, Wei-Che Chang, Kai Jen
  • Patent number: 10515764
    Abstract: A multilayer ceramic capacitor includes an element body of roughly rectangular solid shape which is constituted by dielectric layers alternately stacked with internal electrode layers having different polarities and which has a pair of principle faces, a pair of end faces, and a pair of side faces, wherein the multilayer ceramic capacitor is such that: external electrodes are formed on the pair of end faces and one principle face of the element body; and on a cross section taken in parallel with one end face of the multilayer ceramic capacitor near the end face, the ratio of area A constituted by the internal electrode layers connected to the external electrode on this end face side and the dielectric layers present between the internal electrode layers, and area B covering the part of the section excluding the external electrodes, A/B, is 0.92 or more.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: December 24, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Kotaro Mizuno, Yukihiro Konishi, Shohei Kitamura, Yoichi Kato, Yusuke Kowase, Toru Makino, Yoshinori Tanaka
  • Patent number: 10517117
    Abstract: A wireless communications system configured to use a predetermined bandwidth of a Unlicensed bandwidth, includes a base station; and one or more terminals connected to the base station. The one or more terminals calculate a transmission start timing according to a control signal from the base station, perform a process of detecting a wireless signal of the predetermined bandwidth before the transmission start timing, and when a state in which no wireless signal of the predetermined bandwidth is detected has elapsed for a predetermined period, the one or more terminals start transmission from the calculated transmission start timing.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: December 24, 2019
    Assignee: Fujitsu Limited
    Inventors: Tsuyoshi Shimomura, Yoshinori Tanaka
  • Patent number: 10485402
    Abstract: The observation system images a specimen under illumination lights applied at different timings through irradiation windows arranged near one image sensor, generates optical information included in each image, calculates values of light volumes included in the optical information output from identical-point originated pixels, which have imaged an identical point as the same characteristic point on the specimen, in the respective pixels as a relative distance from an image sensor, compares the optical information between the pixels, and determines the identical point on the specimen as a flat surface portion or an inclined portion on the basis of a comparison result, associates the distance with the flat surface portion or the inclined portion, estimates a surface shape of the specimen, and displays a three-dimensional image of the specimen.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: November 26, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Yoshinori Tanaka, Takeshi Ito
  • Publication number: 20190343365
    Abstract: A cleaning element includes a fiber assembly having a plurality of fibers extending in a predetermined direction and a nonwoven fabric provided on the fiber assembly. A first fusion bonded part extends in a cross direction traversing the predetermined direction to fusion-bond the fiber assembly and the nonwoven fabric, and a plurality of second fusion bonded parts is provided discontinuously in the cross direction to fusion-bond the fiber assembly and the nonwoven fabric. Each of the second fusion bonded parts has a first area and a second area. A length in the predetermined direction from the first fusion bonded part to the first area is different from a length in the predetermined direction from the first fusion bonded part to the second area.
    Type: Application
    Filed: July 23, 2019
    Publication date: November 14, 2019
    Inventors: Akemi TSUCHIYA, Yoshinori TANAKA
  • Patent number: 10461502
    Abstract: A two-dimensional photonic crystal surface emitting laser has, in a plate-shaped base body, a two-dimensional photonic crystal layer in which modified refractive index region pairs are periodically arranged and an active layer provided on one side of the base body, each of the modified refractive index region pairs including a first modified refractive index region and a second modified refractive index region having refractive indexes different from a refractive index of the base body, wherein an area of a planar shape of the first modified refractive index region is larger than or equal to an area of a planar shape of the second modified refractive index region, and a thickness of the first modified refractive index region is smaller than a thickness of the second modified refractive index region.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: October 29, 2019
    Assignees: KYOTO UNIVERSITY, ROHM CO., LTD., HAMAMATSU PHOTONICS K.K., MITSUBISHI ELECTRIC CORPORATION
    Inventors: Susumu Noda, Yoshinori Tanaka, Menaka De Zoysa
  • Patent number: 10424586
    Abstract: A memory device includes a semiconductor substrate having at least one active area that is defined by a device isolation structure. The memory device further includes two neighboring buried word lines disposed in the semiconductor substrate of the active area. The memory device further includes a trench isolation structure disposed in the semiconductor substrate between the buried word lines.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: September 24, 2019
    Assignee: WINBOND ELECTRONICS CORP.
    Inventors: Ying-Chu Yen, Wei-Che Chang, Yoshinori Tanaka
  • Publication number: 20190288583
    Abstract: A cooling system includes a rotary electric machine, a pump that pumps coolant, a first coolant flow path that guides coolant to the rotary electric machine, a second coolant flow path branching off from the first coolant flow path, a pressure regulation valve provided in the second coolant flow path, a first orifice provided at downstream than the pressure regulation valve in the second coolant flow path in coolant flow direction, a third coolant flow path branching off from between the pressure regulation valve and the first orifice in the second coolant flow path and joining to a downstream than the branching position of the second coolant flow path in the first coolant flow path in coolant flow direction, and a switching valve provided in the third coolant flow path and that allows coolant flow to the first coolant flow path when experiencing a pressure of a threshold or more.
    Type: Application
    Filed: March 7, 2019
    Publication date: September 19, 2019
    Inventor: Yoshinori Tanaka
  • Patent number: 10415443
    Abstract: There is provided an engine capable of reducing oil consumption. The engine includes a cylinder head, a cylinder head cover mounted above the cylinder head, a rocker arm covered by the cylinder head cover, and a breather chamber provided inside the cylinder head cover. As a front-rear direction is defined by a longitudinal direction of the cylinder head cover, the breather chamber has a blow-by gas inlet at one side in the front-rear direction, a blow-by gas outlet at another side in the front-rear direction, and an oil discharging guide chamber at an intermediate part in the front-rear direction. The blow-by gas inlet is opened on a bottom wall of the breather chamber, and a peripheral wall of the oil discharging guide chamber is protruded downwardly from the bottom wall of the breather chamber toward between the rocker arm provided at a side of the blow-by gas outlet and the blow-by gas inlet.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: September 17, 2019
    Assignee: KUBOTA Corporation
    Inventors: Kentaro Nagai, Takahiro Yamazaki, Takahito Hamasaki, Hideyuki Goto, Hiroki Oso, Hideyuki Koyama, Akira Tanaka, Yoshinori Tanaka
  • Patent number: 10419909
    Abstract: A wireless communication system includes a plurality of wireless stations including a first wireless station, a second wireless station, and a third wireless station. The wireless communication system further includes a first controller that obtains a transmission timing at which the third wireless station transmits first notification information to the second wireless station, the first notification information indicating that the third wireless station is to communicate with the second wireless station; and a first communicator that transmits second notification information to the second wireless station at the obtained transmission timing, the second notification information indicating that the first wireless station is to directly communicate with the second wireless station.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: September 17, 2019
    Assignee: FUJITSU CONNECTED TECHNOLOGIES LIMITED
    Inventors: Yoshiaki Ohta, Yoshihiro Kawasaki, Yoshinori Tanaka
  • Publication number: 20190280547
    Abstract: A stator for a rotary electric machine includes: a stator core including an annular stator yoke, a plurality of teeth protruding from the stator yoke to an inside in a radial direction, and a plurality of slots formed between adjacent teeth; and a plurality of coils arranged in each of the slots. In the stator core, a coolant distributing plate having an annular shape to surround the plurality of coils from an outer circumferential side is interposed, and the coolant distributing plate is provided with coolant supply portions discharging a coolant toward the plurality of coils.
    Type: Application
    Filed: March 6, 2019
    Publication date: September 12, 2019
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Tadanobu TAKAHASHI, Yoshinori TANAKA
  • Patent number: 10411617
    Abstract: A dielectric elastomer motor includes an artificial muscle and a conversion mechanism cooperating with the artificial muscle. The artificial muscle includes a dielectric elastomer film or layer having a first surface and a second surface opposite to the first surface. First and second electrodes are attached to the first surface and the second surface of the dielectric elastomer film, respectively. First and second bases are attached to the dielectric elastomer so as to be spaced apart from each other. The first base and the second base are capable of reciprocation relative to each other upon change in size of the dielectric elastomer. The conversion mechanism converts the reciprocation of the bases to pivotal or rotational movement. The dielectric elastomer receives voltage application with a predetermined timing via the first and the second electrodes.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: September 10, 2019
    Assignees: KUREHA ELASTOMER CO., LTD.
    Inventors: Seiki Chiba, Mikio Waki, Yoshinori Tanaka, Kuniyoshi Okamoto, Kazuya Nagase, Naoaki Tsurumi, Syo Kurita, Makoto Takasugi, Nobuhiro Miyagi
  • Patent number: 10398281
    Abstract: A cleaning element includes a fiber assembly having a plurality of fibers extending in a predetermined direction and a nonwoven fabric provided on the fiber assembly. A first fusion bonded part extends in a cross direction traversing the predetermined direction to fusion-bond the fiber assembly and the nonwoven fabric, and a plurality of second fusion bonded parts is provided discontinuously in the cross direction to fusion-bond the fiber assembly and the nonwoven fabric. Each of the second fusion bonded parts has a first area and a second area. A length in the predetermined direction from the first fusion bonded part to the first area is different from a length in the predetermined direction from the first fusion bonded part to the second area.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: September 3, 2019
    Assignee: UNICHARM CORPORATION
    Inventors: Akemi Tsuchiya, Yoshinori Tanaka
  • Patent number: 10392327
    Abstract: A method for producing methyl fluoride, comprising the steps of: (1) pyrolyzing a starting compound in a gas phase to thereby obtain a mixed gas containing methyl fluoride and acid fluoride; and (2) rectifying the mixed gas obtained in step (1) to thereby obtain methyl fluoride.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: August 27, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Shingo Nakamura, Yuusuke Etou, Keisuke Tano, Yoshinori Tanaka
  • 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
  • Patent number: 10385714
    Abstract: In a seal structure that seals a gap between a first structure and a second structure which faces the first structure in a radial direction and rotates relative to the first structure, one of the first structure and the second structure has a base surface and a step surface that protrudes toward the other side from the base surface, and the other is provided with: a first fin which extends toward the step surface and forms a first gap between the step surface; a second fin that, on the downstream side of the first fin, extends toward the base surface and forms a second gap between the base surface; and a protrusion part that is disposed between the first fin and the second fin and that divides a leak flow, into a first vortex along the first fin and a second vortex along the second fin.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: August 20, 2019
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Yoshihiro Kuwamura, Kazuyuki Matsumoto, Hiroharu Oyama, Yoshinori Tanaka, Toyoharu Nishikawa, Hidekazu Uehara, Shin Nishimoto
  • 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