Patents by Inventor Toru Aoki

Toru Aoki 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: 20180145747
    Abstract: An optical transmission characteristic measurement method includes starting transmission of an optical signal from a transmitting node to a receiving node; receiving a bit error rate value measured by the receiving node and relates to the optical signal; determining whether the bit error rate value is higher than a given threshold; adjusting input power of the optical signal to lower until it is determined that the bit error rate value is higher than the given threshold when it is determined that the bit error rate value is not higher than the given threshold; estimating an optical signal to noise ratio from the bit error rate value when it is determined that the bit error rate value is higher than the given threshold; and calculating an optical signal to noise ratio based on the estimated optical signal to noise ratio and an amount of lowering of the input power.
    Type: Application
    Filed: November 9, 2017
    Publication date: May 24, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Shoichiro Oda, Toru Katagiri, Satoru Okano, Masatake Miyabe, Yasuhiko Aoki
  • Publication number: 20180130570
    Abstract: An electric conduction component fixation structure includes: a fixed member which has electrically conductive properties and on which an electric conduction component is arranged; and a press member that presses and fixes the electric conduction component, which is arranged on the fixed member, to the fixed member, wherein the fixed member includes a pressed surface that is pressed when the electric conduction component is fixed by the press member, and the pressed surface is covered by a rustproof coating film having a plurality of metal flakes which are layered and a binder which joins the plurality of metal flakes.
    Type: Application
    Filed: November 6, 2017
    Publication date: May 10, 2018
    Inventors: Munehiro Matsubara, Yuki Endo, Tadanobu Aoki, Toru Nakamura
  • Publication number: 20180120742
    Abstract: A phase control device includes: at least one switching element connected to an AC power source, the switching element being capable of: turning on and off at specified timings; delivering AC power to a load upon turn-on and cutting it off upon turn-off; and keeping an on-time from the start to the end of turn-on and an off-time from the start to the end of turn-off, the on-time and off-time being variable; a timing setting portion that sets a turn-on and turn-off timing for turning on and off the switching element; a judgment portion that judges whether or not the turn-on and turn-off timing are on at a phase within a first or second phase range; and a processor that starts turning on and off the switching element at the turn-on and turn-off timing, the processor being capable of adjusting the on-time and off-time depending on the judgment result.
    Type: Application
    Filed: October 25, 2017
    Publication date: May 3, 2018
    Inventors: Junichi MASUDA, Mikiyuki AOKI, Toru KASAMATSU, Masahiro NONOYAMA, Akimasa ISHIKAWA
  • Publication number: 20170100818
    Abstract: PROBLEM: To provide a finishing method for a painted surface that can reduce the number of processing steps, and that can shorten the finish polishing time and reduce the polishing area. RESOLUTION MEANS: The painted surface finishing method of an embodiment of the present disclosure includes a step of removing irregularities in a painted surface using a polishing material including a polishing layer with a structural surface where a plurality of three-dimensional elements are arranged, and providing a surface suitable for finish polishing; and a step of finish polishing the surface; wherein the polishing layer contains abrasive diamond particles with an average particle diameter of 0.5 to 5 ?m, and a binder containing an epoxy resin.
    Type: Application
    Filed: May 27, 2015
    Publication date: April 13, 2017
    Applicant: 3M INNOVATIVE PROPERIES COMPANY
    Inventors: Yoko Nakamura, Norikazu Maeda, Toru Aoki
  • Publication number: 20160356897
    Abstract: A waveform discrimination device includes: a waveform detector receiving waveforms of pulses to be measured and converting the waveforms to electrical signals; an analog amplifier expanding transient waveforms of the electrical signals along a time-domain axis; an AD converter converting the electrical signals to digital data in rise and fall times of the electrical signals; and a signal processing circuit calculating a characteristic-amount of the rise time as a point on a first coordinate axis by using the digital data, and calculating a characteristic-amount of the fall time as a point on a second coordinate axis, so as to define a set of the points on the first and second coordinate axes as a coordinate point, and plot the coordinate point on a discrimination plane, wherein, by plotted positions of the coordinate point, whether the pulses has a first waveform or a second waveform is discriminated.
    Type: Application
    Filed: February 28, 2014
    Publication date: December 8, 2016
    Applicants: ANSeeN, INC., National University Corporation Shizuoka University
    Inventors: Toru AOKI, Akifumi KOIKE
  • Patent number: 9436973
    Abstract: In an image processing for correcting a distorted image obtained by photography by use of a super-wide angle optical system such as a fisheye lens or an omnidirectional mirror, to obtain an image of a perspective projection method, a composite index (Rn) combining a height on the projection sphere with a distance from the optical axis is computed (301), and a distance (Rf) from an origin in the distorted image is computed (302), using the composite index (Rn). Further, two-dimensional coordinates (p, q) in the distorted image are computed (303), using the distance (Rf) from the origin, and a pixel value in an output image is determined using a pixel at a position in the distorted image specified by the two-dimensional coordinates, or a pixel or pixels neighboring the specified position. It is possible to perform the projection from the projection sphere to the image plane, that is, the computation of the coordinates on the coordinate plane, while restricting the amount of computation.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: September 6, 2016
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Toru Aoki, Narihiro Matoba
  • Patent number: 9415480
    Abstract: An abrasive pad used to abrade the surfaces of glass, ceramic, and metal materials, the abrasive pad being provided with a substrate layer, and an abrasive layer provided on a first surface side of the substrate layer and including an abrasive material, and the abrasive layer having a plurality of base portions arranged mutually separated on the substrate layer, columnar or frustum shaped tip portions arranged mutually separated on the base portions, and a group of grooves containing a plurality of groove portions provided between base portions such that the substrate layer is exposed, with each of the grooves mutually intersecting.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: August 16, 2016
    Assignee: 3M Innovative Properties Company
    Inventors: Toru Aoki, Akira Yoda, Takayuki Tachihara
  • Publication number: 20160078590
    Abstract: In an image processing for correcting a distorted image obtained by photography by use of a super-wide angle optical system such as a fisheye lens or an omnidirectional mirror, to obtain an image of a perspective projection method, of a composite index (Rn) combining a height on the projection sphere with a distance from the optical axis is computed (301), and a distance (Rf) from an origin in the distorted image is computed (302), using the composite index (Rn). Further, two-dimensional coordinates (p, q) in the distorted image are computed (303), using the distance (Rf) from the origin, and a pixel value in an output image is determined using a pixel at a position in the distorted image specified by the two-dimensional coordinates, or a pixel or pixels neighboring the specified position. It is possible to perform the projection from the projection sphere to the image plane, that is, the computation of the coordinates on the coordinate plane, while restricting the amount of computation.
    Type: Application
    Filed: May 23, 2014
    Publication date: March 17, 2016
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Toru AOKI, Narihiro MATOBA
  • Patent number: 9258461
    Abstract: An NR coefficient (Kf) is calculated on the basis of a representative value (Pm) of a pixel of interest and a low-pass filtered value (La-Ld) nearest to the representative value (Pm) of the pixel of interest among a plurality of low-pass filtered values filtered one-dimensionally in different directions in an input image, and the pixel value of the pixel of interest and a value output by a two-dimensional low-pass filter (25) are weighted by the NR coefficient (Kf) and added (36). The representative value of the pixel of interest may be, for example, a median value obtained by filtering the current frame and a past frame in the time axis direction. The image processing device reduces noise without lowering resolution.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: February 9, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Toru Aoki, Mitsuo Hashimoto, Narihiro Matoba
  • Publication number: 20150158141
    Abstract: An abrasive pad used to abrade the surfaces of glass, ceramic, and metal materials, the abrasive pad being provided with a substrate layer, and an abrasive layer provided on a first surface side of the substrate layer and including an abrasive material, and the abrasive layer having a plurality of base portions arranged mutually separated on the substrate layer, columnar or frustum shaped tip portions arranged mutually separated on the base portions, and a group of grooves containing a plurality of groove portions provided between base portions such that the substrate layer is exposed, with each of the grooves mutually intersecting.
    Type: Application
    Filed: July 8, 2013
    Publication date: June 11, 2015
    Inventors: Toru Aoki, Akira Yoda, Takayuki Tachihara
  • Publication number: 20150153461
    Abstract: A radiation dosimeter includes: a radiation detector that detects radiation; a shield member that covers the radiation detector; and a microcomputer that calculates a dose of radiation based on energy of radiation detected by the radiation detector and a conversion factor that is defined in accordance with energy of radiation scattered by the shield member. The radiation detector detects the radiation scattered by the shield member.
    Type: Application
    Filed: May 20, 2013
    Publication date: June 4, 2015
    Inventors: Toru Aoki, Akifumi Koike
  • Publication number: 20150054990
    Abstract: An NR coefficient (Kf) is calculated on the basis of a representative value (Pm) of a pixel of interest and a low-pass filtered value (La-Ld) nearest to the representative value (Pm) of the pixel of interest among a plurality of low-pass filtered values filtered one-dimensionally in different directions in an input image, and the pixel value of the pixel of interest and a value output by a two-dimensional low-pass filter (25) are weighted by the NR coefficient (Kf) and added (36). The representative value of the pixel of interest may be for example, a median value obtained by filtering the current frame and a past frame in the time axis direction. The image processing device reduces noise without lowering resolution.
    Type: Application
    Filed: February 21, 2013
    Publication date: February 26, 2015
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Toru Aoki, Mitsuo Hashimoto, Narihiro Matoba
  • Patent number: 8184205
    Abstract: An electro-optical device includes configuration to apply, to a plurality of the data lines through capacitors, inverted data signals that are generated by inverting voltage levels of data signals supplied to image signal lines with respect to a predetermined electric potential.
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: May 22, 2012
    Assignee: Seiko Epson Corporation
    Inventor: Toru Aoki
  • Publication number: 20120001959
    Abstract: An electro-optical device in which an image to be projected on a projection surface as a projection image having a size changed by a display device is displayed on a display area on the basis of input image data includes a first input image correction circuit generating first correction data which is used for reducing color non-uniformity of the projection image that occurs due to the size change on the basis of the size of the projection image using first reference correction data and correcting the input image data using the generated first correction data and a second input image correction circuit correcting the corrected input image data on the basis of a plurality of second reference correction data corresponding to a plurality of specific levels among levels that the input image data can have and set for a plurality of sets of reference coordinates in the display area for reducing the color non-uniformity.
    Type: Application
    Filed: September 8, 2011
    Publication date: January 5, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Toru AOKI
  • Patent number: 8044476
    Abstract: A radiation detector comprising a II-VI compound semiconductor substrate that absorbs radiation having a first energy, a II-VI compound semiconductor layer of a first conductivity type provided on a main surface of the II-VI compound semiconductor substrate, a metal layer containing at least one of a group III element and a group V element provided on the II-VI compound semiconductor layer, a IV semiconductor layer having a second conductivity type opposite to the first conductivity type provided on the metal layer, and a IV semiconductor substrate that absorbs radiation having a second energy different from the first energy provided on the IV semiconductor layer.
    Type: Grant
    Filed: June 16, 2006
    Date of Patent: October 25, 2011
    Assignee: National University Corporation Shizuoka University
    Inventors: Yoshinori Hatanaka, Toru Aoki
  • Patent number: 7759293
    Abstract: Hydraulic oil compositions for shock absorbers comprises a lubricating base oil and at least one type of silicone oil selected from the group consisting of silicone oils with a kinematic viscosity at 25° C. of 10,000 to 350,000 mm2/s and fluorine-modified silicone oils with a kinematic viscosity at 25° C. of less than 10,000 mm2/s. The compositions may further comprise a viscosity index improver. The compositions can enhance the damping force and initial damping properties of a shock absorber and thus improve the ride comfort of an automobile equipped with such a shock absorber.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: July 20, 2010
    Assignee: Nippon Oil Corporation
    Inventors: Shinichi Shirahama, Toru Aoki, Naozumi Arimoto
  • Patent number: 7722789
    Abstract: A defoaming method for removing air bubbles from a curable resin material and a contact portion of the resin material with an irregular structure of a flat metallic mold. The mold includes a fine structural region having a fine irregular structure and a flat region in the periphery of the fine structural region. The curable resin material is applied to the irregular structure of the fine structural region, filling the irregular structure with the resin material.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: May 25, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Toru Aoki, Hiroshi Kikuchi, Akira Yoda
  • Patent number: 7705818
    Abstract: An electro-optical device includes a plurality of scanning lines that extends in a row direction, a plurality of data lines that extends in a column direction, a plurality of pixels which are provided at intersections of the scanning lines and the data lines and whose gray-scale levels are designated by data signals supplied through the data lines, a common electrode that is provided so as to be opposite to pixel electrodes, a shift register that outputs sampling signals to sequentially select a plurality of blocks each composed of a plurality of the data lines, in a period where the scanning lines are selected, a sampling circuit that samples the data signals to the plurality of data lines belonging to the block selected by the sampling signal, respectively, a data signal supply circuit that changes the potential of the data signal into a higher level and a lower level than a predetermined potential in every predetermined period and then alternately outputs the potentials, and a correction circuit that super
    Type: Grant
    Filed: June 23, 2005
    Date of Patent: April 27, 2010
    Assignee: Seiko Epson Corporation
    Inventors: Toru Aoki, Sadasumi Uchiyama
  • Patent number: 7667676
    Abstract: Exemplary embodiments of the present invention reduce display irregularity in order to enhance display quality. A liquid crystal panel includes a plurality of pixel electrodes provided at intersections of a plurality of scanning lines and a plurality of data lines, a scanning line driving circuit to sequentially select the plurality of scanning lines, and a data line driving circuit to sample an image signal VID supplied to an image signal line that is provided in common to the plurality of data lines and to supply the sampled signal to each data line.
    Type: Grant
    Filed: October 21, 2004
    Date of Patent: February 23, 2010
    Assignee: Seiko Epson Corporation
    Inventor: Toru Aoki
  • Patent number: 7639221
    Abstract: During a precharge period before selecting a scanning line, data lines are precharged to a second voltage after precharging the data lines to a first voltage. The timing when the first voltage is switched to the second voltage in the data line corresponding to one image-signal line is different from the timing when the first voltage is switched to the second voltage in the data line corresponding to another image-signal line.
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: December 29, 2009
    Assignee: Seiko Epson Corporation
    Inventor: Toru Aoki