Patents by Inventor Tatsuya Nakamura

Tatsuya Nakamura 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: 10120510
    Abstract: A touch screen according to the present invention includes a plurality of row direction wires and a plurality of column direction wires provided to intersect with each other through an insulating film in planar view. The plurality of row direction wires includes a mesh-like wire having a plurality of first row direction wires extending in the longitudinal direction and a plurality of second row direction wires extending in the lateral direction. The plurality of column direction wires includes a mesh-like wire having a plurality of first column direction wires extending in the longitudinal direction and a plurality of second column direction wires extending in the lateral direction, and each of the first row direction wires and each of the first column direction wires are provided at an interval of p/3 or more.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: November 6, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takeshi Ono, Tatsuya Nakamura, Tae Orita
  • Patent number: 10097275
    Abstract: If a configuration is employed in which modulation schemes used for an optical communication system can be switched depending on transmission conditions, the power consumption increases and the control becomes complex; therefore, an optical transmitter according to an exemplary aspect of the present invention includes an encoding means for encoding digital signals to be transmitted under a predetermined transmission condition over an optical carrier wave by using one of a plurality of encoding methods; an encoding control means for selecting a predetermined encoding method corresponding to the predetermined transmission condition from among the plurality of encoding methods and causing the encoding means to operate in accordance with the predetermined encoding method; a mapping means for mapping output bit signals output from the encoding means to modulation symbols; and an optical modulation means for modulating the optical carrier wave based on symbol signals output from the mapping means.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: October 9, 2018
    Assignee: NEC Corporation
    Inventors: Junichi Abe, Tatsuya Nakamura
  • Patent number: 10055073
    Abstract: A touch screen includes a column-direction wire and a row-direction wire. The column-direction wire and the row-direction wire three-dimensionally intersect each other in a region that is a detection cell. At least one of the column-direction wire and the row-direction wire has an end portion whose width is larger than a width of another portion of the wire, the end portion being a wire-end expansion portion. The wire-end expansion portion is provided so as to be located outside an edge of an outermost column-direction wire and an outermost row-direction wire that are disposed on the outermost side of a detectable area formed of a plurality of the column-direction wires and a plurality of the row-direction wires. The column-direction wire and the row-direction wire each have a mesh structure in which a plurality of conductor wires are disposed in a mesh pattern. The wire-end expansion portion has the mesh structure.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: August 21, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takeshi Ono, Tatsuya Nakamura
  • Patent number: 10014149
    Abstract: In an X-ray radiation source, a counter wall made of alkali-containing glass, out of walls of a housing of an X-ray tube, is sandwiched between a filament and an electric field control electrode to each of which a negative high voltage is applied. This configuration prevents an electric field from being generated in the counter wall and thus suppresses precipitation of alkali ions from the glass. Therefore, it prevents change in potential relationship between electrodes at different potentials such as the filament, grid, and target and enables stable operation to be maintained, without occurrence of a trouble of failure in maintaining a desired X-ray amount.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: July 3, 2018
    Assignees: FUTABA CORPORATION, HAMAMATSU PHOTONICS K.K.
    Inventors: Tatsuya Nakamura, Norimasa Kosugi, Naoki Okumura, Yoshitaka Sato, Akira Matsumoto, Yoshihisa Marushima, Kazuhito Nakamura
  • Patent number: 10014147
    Abstract: Provided is an X-ray tube which can perform stable X-ray radiation under a desired condition in a radiation region extending in a predetermined direction. Included are a base plate having an opening portion and made of alloy 426, an X-ray transmission window made of titanium foil and arranged to close the opening portion of the base plate, a flat box-like vessel portion attached to the base plate and inside of which is in a vacuum state, an X-ray target provided at the opening portion in the vessel portion, and an electron source injecting electrons to the X-ray target in the vessel portion. The electron source includes a liner cathode, a first control electrode pulling out electrons from the cathode and a second control electrode restricting radiation range of the pulled-out electrons. At this time, X-rays emitted from the X-ray window spreads radially from opening shape of the opening portion.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: July 3, 2018
    Assignee: FUTABA CORPORATION
    Inventors: Akira Matsumoto, Kiyoyuki Deguchi, Yuuichi Kogure, Kazuhito Nakamura, Tomoyuki Okada, Toru Fujita, Tatsuya Nakamura
  • Publication number: 20180176496
    Abstract: An imaging apparatus includes: a light source that emits a light pulse onto an object, and a light detector that detects a reflected light pulse returning from the object. The light detector detects a first part of the reflected light pulse in a first period, and detects a second part of the reflected light pulse in a second period that starts after the first period. The first period includes at least a part of a rising period, the rising period being a period from start to end of increase of intensity of the reflected light pulse. The second period includes a part of a falling period, starts after start of the falling period and does not include the start of the falling period, the falling period being a period from start to end of decrease of the intensity.
    Type: Application
    Filed: December 6, 2017
    Publication date: June 21, 2018
    Inventors: Tatsuya Nakamura, Takamasa Ando, Teruhiro Shiono
  • Publication number: 20180158590
    Abstract: A noise suppression member according to one aspect of the present disclosure includes: a first core part and a second core part; and a first case part and a second case part. The first case part and the second case part are provided with engagement mechanisms. The engagement mechanisms each include an engaging portion and an engaged portion and is configured to fix the first case part and the second case part by engaging the engaging portions with the respective engaged portions. When the first case part and the second case part are fixed with the engagement mechanisms, the first core part and the second core part are maintained in a state of forming an annular magnetic core. When the engaging portion engages with the engaged portion, the first core part and the second core part are configured to come into contact with each other.
    Type: Application
    Filed: June 15, 2016
    Publication date: June 7, 2018
    Inventors: Yuki YASUNISHI, Tatsuya NAKAMURA
  • Patent number: 9971438
    Abstract: A plurality of area lines extends in a first direction while being aligned in a second direction perpendicular to the first direction in a predetermined area. A plurality of lead-out lines electrically connects a plurality of terminal parts and the area lines to each other. Two or more of the lead-out lines include width adjusting lines determined to have widths differing from each other to make the respective resistance values of all of the lead-out lines lower than the resistance value of the area lines.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: May 15, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takeshi Ono, Tatsuya Nakamura
  • Publication number: 20180120973
    Abstract: In a touch screen, a lower electrode is insulated from an upper electrode by an insulation film. A column direction wire of the upper electrode includes a first linear portion which extends in a row direction, and first branch portions which are branched from the first linear portion. A row direction wire of the lower electrode includes a second linear portion which extends in a column direction, and second branch portions which are branched from the second linear portion. The second linear portion three-dimensionally intersects the first linear portion, yet does not three-dimensionally intersect first branch portions. A rim portion of each of second branch portions includes a portion parallel along an outline of the first linear portion or first branch portions, yet does not include a portion parallel along an outline of the second linear portion. At each of second branch portions, a cavity portion is formed.
    Type: Application
    Filed: October 23, 2017
    Publication date: May 3, 2018
    Applicant: Mitsubishi Electric Corporation
    Inventor: Tatsuya NAKAMURA
  • Patent number: 9960789
    Abstract: If a configuration is employed in which modulation schemes used for an optical communication system can be switched depending on transmission conditions, it is difficult to make effective utilization of frequency resources without the power consumption increasing and the control becoming complex; therefore, an optical transmitter according to an exemplary aspect of the present invention includes an interface means for converting a digital signal to be transmitted under a predetermined transmission condition over an optical carrier wave into a parallel signal with a predetermined bit number at a predetermined transmission rate, and outputting the parallel signal; an encoding means for encoding the parallel signal using one coding system from among a plurality of convolutional coding systems with different degrees of redundancy; a mapping means for mapping an output bit signal output from the encoding means to a modulation symbol; an optical modulation means for modulating the optical carrier wave based on a sy
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: May 1, 2018
    Assignee: NEC CORPORATION
    Inventors: Tatsuya Nakamura, Emmanuel Le Taillandier De Gabory, Junichi Abe
  • Publication number: 20180112931
    Abstract: The heat storage apparatus of the present disclosure includes a casing, a heat storage material that is located in the casing, a stirrer that is located in the casing, that is in contact with the heat storage material, and that rotates to stir the heat storage material, and a projection that is in contact with the heat storage material, that projects from the stirrer, and that rotates with rotation of the stirrer. The projection is continuously in contact with an inner face of the casing while the stirrer rotates.
    Type: Application
    Filed: October 3, 2017
    Publication date: April 26, 2018
    Inventors: HIRONOBU MACHIDA, MOTOHIRO SUZUKI, SHINSUKE TAKEGUCHI, TAKASHI KUBO, KENTARO SHII, NAOYUKI TANI, TATSUYA NAKAMURA
  • Patent number: 9933907
    Abstract: A plurality of first lattice passing line segments are defined. The first lattice passing line segments extend in a first direction through lattice points adjacent to each other among a plurality of lattice points at which a plurality of first component portions and a plurality of second component portions of a black matrix are connected to each other. Ones of two or more first partial wires and two or more first lattice passing line segments are arranged in straight lines extending in the first direction, and the other ones are arranged along the first direction and located at unequal distances from the ones.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: April 3, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takeshi Ono, Tatsuya Nakamura, Takashi Miyayama, Tae Orita
  • Publication number: 20180067687
    Abstract: A storage system includes first storage devices to provide storage areas of a first tier and for which a life usage rate is determined based on an erase count and a guaranteed maximum erase count, second storage devices to provide storage areas of a second tier and for which a guaranteed maximum erase count is not specified, and a controller to perform data reallocation between the first tier and the second tier. The controller determines a weight for a read access and a weight for a write access from a host based on life usage rates of the first storage devices, and determines whether to relocate data stored in the second tier to the first tier based on the weight for a read access, the weight for a write access, a read count for the data in a period, and a write count for the data in the period.
    Type: Application
    Filed: April 22, 2015
    Publication date: March 8, 2018
    Inventors: Tatsuya NAKAMURA, Shintarou INOUE, Yasuyuki NAGASOE
  • Patent number: 9884989
    Abstract: To provide Zinc Sulfide activated with Silver (ZnS:Ag) based fluorescent material for detecting particle beams, having lower gamma-ray sensitivity and providing lower afterglow, and being specialized for the purpose of detecting particle beams, and its manufacturing method. Zinc Sulfide activated with Silver (ZnS:Ag) based fluorescent material for detecting particle beams emits fluorescence with wavelengths from 320 nm to 580 nm in response to alpha-ray irradiation, and has a fluorescence spectrum with a peak wavelength from 395 nm to 410 nm.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: February 6, 2018
    Assignee: Japan Atomic Energy Agency
    Inventors: Tatsuya Nakamura, Masaki Katagiri, Yasunobu Noguchi, Hirofumi Ooguri
  • Publication number: 20170373704
    Abstract: If a configuration is employed in which modulation schemes used for an optical communication system can be switched depending on transmission conditions, it is difficult to make effective utilization of frequency resources without the power consumption increasing and the control becoming complex; therefore, an optical transmitter according to an exemplary aspect of the present invention includes an interface means for converting a digital signal to be transmitted under a predetermined transmission condition over an optical carrier wave into a parallel signal with a predetermined bit number at a predetermined transmission rate, and outputting the parallel signal; an encoding means for encoding the parallel signal using one coding system from among a plurality of convolutional coding systems with different degrees of redundancy; a mapping means for mapping an output bit signal output from the encoding means to a modulation symbol; an optical modulation means for modulating the optical carrier wave based on a sy
    Type: Application
    Filed: January 20, 2016
    Publication date: December 28, 2017
    Applicant: NEC Corporation
    Inventors: Tatsuya NAKAMURA, Emmanuel LE TAILLANDIER DE GABORY, Junichi ABE
  • Publication number: 20170353672
    Abstract: An imaging device includes a light source, an image sensor, and a controller. Each pixel of the image sensor includes first and second accumulators and a discharger. The controller, while a component of light from the light source reflected by the surface of a target is incident on the image sensor, causes the accumulators to accumulate signal charge not discharged to the discharger, by setting the image sensor so that signal charge is discharged to the discharger, while a component having scattered inside the target is incident on the image sensor, causes the first accumulator to accumulate signal charge by setting the image sensor so that signal charge is not discharged to the discharger and signal charge is accumulated in the first accumulator, and causes the image sensor to generate first and second signals that are respectively based on signal charge accumulated in the first and second accumulators.
    Type: Application
    Filed: June 1, 2017
    Publication date: December 7, 2017
    Inventors: TATSUYA NAKAMURA, TOSHIYA FUJII, MASAAKI YANAGIDA, TAKAMASA ANDO
  • Publication number: 20170310399
    Abstract: If a configuration is employed in which modulation schemes used for an optical communication system can be switched depending on transmission conditions, the power consumption increases and the control becomes complex; therefore, an optical transmitter according to an exemplary aspect of the present invention includes an encoding means for encoding digital signals to be transmitted under a predetermined transmission condition over an optical carrier wave by using one of a plurality of encoding methods; an encoding control means for selecting a predetermined encoding method corresponding to the predetermined transmission condition from among the plurality of encoding methods and causing the encoding means to operate in accordance with the predetermined encoding method; a mapping means for mapping output bit signals output from the encoding means to modulation symbols; and an optical modulation means for modulating the optical carrier wave based on symbol signals output from the mapping means.
    Type: Application
    Filed: October 5, 2015
    Publication date: October 26, 2017
    Applicant: NEC Corporation
    Inventors: Junichi ABE, Tatsuya NAKAMURA
  • Publication number: 20170289468
    Abstract: An image pickup apparatus includes: a first light source which, in operation, emits first pulsed light to project a first image of a first pattern at a first position in a predetermined region of a subject, and emits second pulsed light to project a second image of a second pattern at a second position, different from the first position, in the predetermined region of the subject; an image sensor including multiple pixels each including a photodetector that, in operation, converts received light into a signal charge, and a first accumulator and a second accumulator each of which, in operation, accumulates the signal charge; and a control circuit which, in operation, controls the first light source and the image sensor.
    Type: Application
    Filed: March 15, 2017
    Publication date: October 5, 2017
    Inventors: TOSHIYA FUJII, TAKAMASA ANDO, TATSUYA NAKAMURA
  • Patent number: 9771448
    Abstract: An olefin resin having requirements (I) to (VI) is provided: (I) a grafted olefin polymer containing a main chain with an ethylene/?-olefin copolymer and a side chain with a propylene polymer; (II) the ratio P wt % of propylene polymer is from 5 to 60 wt %; (III) when the ratio of the amount of a component(s) having a peak temperature of a differential elution curve as measured by CFC using o-dichlorobenzene of less that 65° C., to the amount of (?) taken as E wt %, the value a represented by an equation (Eq-1), is 1.4 or more; (IV) the melting point (Tm) is 120 to 165° C. and the glass transition temperature (Tg) is ?80 to ?30° C., as measured by DSC; (V) the hot xylene-insoluble content is less than 3 wt %; and, (VI) the limiting viscosity as measured in decalin at 135° C. is 0.5 to 5.0 dl/g.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: September 26, 2017
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Yasushi Yanagimoto, Tomoaki Matsugi, Akihiko Iwashita, Tatsuya Nakamura, Keita Itakura, Ryoichi Tsunori
  • Patent number: 9760230
    Abstract: A touch screen according to the present invention includes: a substrate; and a plurality of row direction wirings and a plurality of column direction wirings which are disposed on the substrate to intersect through an insulating film in a stereoscopic view, and at an intersection portion of each of the row direction wirings and each of the column direction wirings, wiring width of at least one of the row direction wiring and the column direction wiring is wider than a portion other than the intersection portion in a plan view.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: September 12, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takeshi Ono, Tatsuya Nakamura, Takashi Miyayama, Masafumi Agari, Tae Orita