Patents by Inventor Takayuki Sakurai

Takayuki Sakurai 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: 20140021765
    Abstract: A footrest apparatus for a vehicle seat includes a fixed member fixed to the vehicle seat, a footrest movable between a retracted position and an operating range, and a link mechanism which connects the fixed member and the footrest to each other and moves the footrest between the retracted position and the operating range by extending and contracting. The link mechanism includes a pair of link members which rotate in synchronization with each other, each of which is formed as a plate that is orthogonal to a widthwise direction of the vehicle seat, and a connecting member formed as a plate which extends in the widthwise direction, wherein common edges of the pair of link members are connected to opposite ends of the connecting member in the widthwise direction, respectively.
    Type: Application
    Filed: July 18, 2013
    Publication date: January 23, 2014
    Inventors: Hiroyuki SUZUKI, Takuji YAMAZAKI, Takayuki SAKURAI
  • Patent number: 8633683
    Abstract: The apparatus is provided with an abnormality determination means for determining abnormality of the apparatus where two different combinations of two electrodes are selected from the three electrodes, an alternating-current voltage is applied to an electrode in one combination by the voltage-applying portion to measure a value of a current flowing to the other electrode via the dielectric body by electrostatic coupling, an alternating-current voltage is applied to an electrode in another combination out of the at least two different combinations by the voltage-applying portion to measure a value of a current flowing to the other electrode via the dielectric body by electrostatic coupling, and an abnormality of the apparatus is determined from the current values measured.
    Type: Grant
    Filed: February 2, 2011
    Date of Patent: January 21, 2014
    Assignees: NGK Insulators, Ltd., Honda Motor Co., Ltd.
    Inventors: Shoji Yokoi, Takayuki Sakurai, Tatsuya Okayama, Masanobu Miki, Keizo Iwama, Makoto Hattori, Hidetaka Ozawa
  • Patent number: 8487934
    Abstract: Disclosed is a display apparatus comprising: a display section including a first and a second display areas, which can set a first and a second coordinate systems; a memory storing an image file including image data, coordinate range data, and coordinate value table data; and a processor which performs: image file specifying processing specifying the image file; display processing which (i) reads out the specified data, (ii) controls a display of an image part among an image of the specified image data, (iii) sets the first coordinate system within a range overlapping the image part, and (iv) controls a display of plotted points of the first coordinate system, wherein the coordinate value table data correlates a coordinate value of the third coordinate axis with those in the first coordinate system, and the display processing sets the second coordinate system in the second display area, and controls a display of plotted points.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: July 16, 2013
    Assignee: Casio Computer Co., Ltd.
    Inventor: Takayuki Sakurai
  • Patent number: 8482288
    Abstract: The particulate matter detection device of the present invention is a particulate matter detection device 100 including an electrode portion 21 and detection means 23 for detecting an electrical characteristic of the electrode portion 21, whereby a particulate matter 36 contained in an exhaust gas 32 is detected on the basis of a change of the electrical characteristic due to the particulate matter 36 attached to the electrode portion 21. The particulate matter detection device i00 further includes removal means 25 and abnormality judgment means 26 for comparing an initial electrical characteristic in a use initial state of the device with the electrical characteristic measured in a state where the particulate matter 36 attached to the surface of the electrode portion 21 is removed by the removal means 25, to judge whether or not the particulate matter detection device i00 has an abnormality.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: July 9, 2013
    Assignees: NGK Insulators, Ltd., Honda Motor Co., Ltd.
    Inventors: Shoji Yokoi, Takayuki Sakurai, Tatsuya Okayama, Masanobu Miki, Keizo Iwama, Makoto Hattori, Hidetaka Ozawa
  • Patent number: 8423197
    Abstract: A heater energization control apparatus. When an engine is stopped, a microcomputer of a GCU enters a power save mode. When the microcomputer returns to a normal mode in response to an interruption signal periodically generated from an interruption timer, the microcomputer supplies electricity to a heating resistor for a short time and obtains its resistance (S19). When the resistance is greater than a first reference value, the microcomputer determines that a glow plug is removed from the engine; that is, the glow plug is being exchanged (S29). The microcomputer sets an exchange flag to “1” (S30), and performs calibration for the heating resistor of a new glow plug after the engine is operated next time (S35). When the current resistance becomes smaller than the past resistance, the microcomputer determines that the glow plug has been exchanged.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: April 16, 2013
    Assignee: NGK Spark Plug Co., Ltd.
    Inventors: Takayuki Sakurai, Takayuki Ohtani, Hiroki Tsuchiya
  • Patent number: 8228659
    Abstract: An electrification control apparatus (101) for glow plugs GP1 to GPn includes temperature-raising-period electrification control units S3 to S7, S31, S32 for raising the temperature of a heater section (2) of each glow plug. The control units perform electrification control in such manner that, even when a first glow plug GP1 and a second glow plug GP1e, which are of the same industrial part number but differ in resistance due to a characteristic variation therebetween, are selectively connected to the electrification control apparatus (101) and electrification control is performed therefor, at sampled timings t during the temperature rise, electric power of the same magnitude P(t) as that of electric power supplied to the first glow plug GP1 is supplied to the second glow plug GP1e.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: July 24, 2012
    Assignee: NGK Spark Plug Co., Ltd.
    Inventor: Takayuki Sakurai
  • Patent number: 8217310
    Abstract: A glow plug electrification control apparatus which can maintain the same heater temperature even when resistance varies among glow plugs to be used, and a glow plug electrification control system using the same. The apparatus (101) includes temperature-raising-period-resistance acquisition means for temperature-raising-period resistances Rg1(0.5), etc. of glow plugs (GP1-GPn) at predetermined timings during a temperature-raising period; maintaining-period electrification control means for maintaining the heater temperature Tg1(t), etc. at predetermined target temperatures Tm1, etc. after the temperature raising; and maintaining-period resistance acquisition means for acquiring maintaining-period resistances Rg1(t), etc. of the glow plugs GP1, etc. in a maintaining period.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: July 10, 2012
    Assignee: NGK Spark Plug Co., Ltd.
    Inventor: Takayuki Sakurai
  • Publication number: 20120124681
    Abstract: Provided are a DNA fragment, a pharmaceutical composition, and the like, which can simplify the period of creating knockout animals. The DNA fragment includes: a detection sequence that codes for a detection marker other than drug resistance (preferably a visually-detectable marker); a resistance sequence that codes for a resistance marker for a drug that inhibits the proliferation of one or more species of at least prokaryotic organisms; a promoter sequence that is located upstream of the resistance sequence and functions in prokaryotic organisms; and a regulatory sequence that is located upstream of all of the above sequences and, only when inserted into a target region of the genome of at least one species of eukaryotic organism, induces the expression of a sequence located downstream. The detection sequence and the resistance sequence are arranged so as to be capable of action.
    Type: Application
    Filed: July 16, 2010
    Publication date: May 17, 2012
    Applicant: Immuno-Biological Laboratories Co., Ltd.
    Inventors: Takayuki Shindo, Takayuki Sakurai
  • Publication number: 20120059598
    Abstract: A particulate matter detection device 100 includes characteristics measurement means having a voltage applying circuit which applies a voltage signal of a sine wave obtained by tuning a voltage signal of a square wave with a low pass filter having a Q-value of 1.5 to 3, a current-voltage conversion circuit, a detection circuit, and two or more calibration elements electrically connected to the voltage applying circuit and the current-voltage conversion circuit in a state where the calibration elements and the pair of measurement electrodes are switchable, and the device calculates a calibration matrix Q of the voltage applying circuit from two or more calibrating detection values measured by using two or more calibration elements, respectively, and original true values of the two or more calibration elements, to calibrate a detected value measured between the pair of measurement electrodes in the particulate matter detection device.
    Type: Application
    Filed: August 17, 2011
    Publication date: March 8, 2012
    Applicant: NGK Insulators, Ltd.
    Inventors: Shoji YOKOI, Takayuki Sakurai
  • Publication number: 20120006094
    Abstract: A particulate matter detector of the present invention has an electrode portion, a signal measuring portion, and a calculation portion and further has a measurement signal memory portion for memorizing the values of the measurement signal measured by the signal measuring portion, a signal judgement portion for judging the necessity of correction by comparing a calculated amount of change with a value of a background signal noise after calculating an amount of change between values of the consecutive measurement signals of 10 or less samples memorized by the measurement signal memory portion, and a correction portion for correcting the value of the measurement signal, if the calculated amount of the change shows a decrease of at least twice the value of the background signal noise, by adding the decrease value to the value of the measurement signal where the decrease is confirmed.
    Type: Application
    Filed: July 5, 2011
    Publication date: January 12, 2012
    Applicant: NGK Insulators, Ltd.
    Inventors: Shoji YOKOI, Takayuki Sakurai
  • Publication number: 20110303650
    Abstract: An energization control apparatus for a glow plug (21) includes temperature maintaining energization means (34), and intermediate temperature raising means 35 for resuming energization of the glow plug 1 during operation of an engine EN after energization by the temperature maintaining energization means (34). The intermediate temperature raising means (35) includes resistance acquisition means (32); difference calculation means (36) for calculating a difference between the resistance of the glow plug (1) and a target resistance; intermediate value setting means (37); and intermediate value update means (38) for gradually increasing an intermediate target resistance such that the intermediate target resistance finally coincides with the target resistance. The voltage applied to the glow plug (1) is controlled such that the resistance of the glow plug (1) coincides with the intermediate target resistance.
    Type: Application
    Filed: June 10, 2011
    Publication date: December 15, 2011
    Applicant: NGK SPARK PLUG CO., LTD.
    Inventors: Takayuki SAKURAI, Takayuki OHTANI
  • Publication number: 20110303649
    Abstract: A GCU (21) includes calibration means (33) which supplies electric current to a glow plug (1) when an internal combustion engine EN to which the glow plug (1) is attached is stopped, to thereby obtain a pre-correction target resistance of the glow plug (1). The calibration means (33) supplies a predetermined first electric power to the glow plug (1) in a predetermined first energization period, and supplies a predetermined second electric power to the glow plug (1) after the first energization period. The second electric power is set such that, when the second electric power is supplied to the glow plug (1) and the temperature of the glow plug (1) becomes saturated, the temperature of the glow plug (1) becomes equal to the target temperature. Further, the first electric power is greater than the second electric power.
    Type: Application
    Filed: June 10, 2011
    Publication date: December 15, 2011
    Applicant: NGK SPARK PLUG CO., LTD.
    Inventors: Takayuki SAKURAI, Takayuki OHTANI
  • Publication number: 20110254857
    Abstract: Disclosed is a display apparatus comprising: a display section including a first and a second display areas, which can set a first and a second coordinate systems; a memory storing an image file including image data, coordinate range data, and coordinate value table data; and a processor which performs: image file specifying processing specifying the image file; display processing which (i) reads out the specified data, (ii) controls a display of an image part among an image of the specified image data, (iii) sets the first coordinate system within a range overlapping the image part, and (iv) controls a display of plotted points of the first coordinate system, wherein the coordinate value table data correlates a coordinate value of the third coordinate axis with those in the first coordinate system, and the display processing sets the second coordinate system in the second display area, and controls a display of plotted points.
    Type: Application
    Filed: March 11, 2011
    Publication date: October 20, 2011
    Applicant: CASIO COMPUTER CO., LTD
    Inventor: Takayuki SAKURAI
  • Publication number: 20110242107
    Abstract: The apparatus includes: an image file storing unit configured to store at least one image file including a plurality of image data; an image file specifying unit configured to specify one of the at least one image file according to a user operation; an image display controller configured to display, on a display screen, one of the plurality of image data included in the specified image file; a plotting operation receiver configured to receive a user plotting operation that is performed on a targeted analysis point in the displayed image data, wherein a plot point is plotted on the display screen according to the user plotting operation; and a plotting display controller configured to sequentially display the plurality of image data included in the specified image file while displaying a plurality of plot points plotted on the display screen according to a plurality of user plotting operations.
    Type: Application
    Filed: March 3, 2011
    Publication date: October 6, 2011
    Applicant: CASIO COMPUTER CO., LTD.
    Inventor: Takayuki SAKURAI
  • Publication number: 20110192211
    Abstract: The apparatus 100 is provided with an abnormality determination means 32 for determining abnormality of the apparatus 100 where two different combinations of two electrodes are selected from the three electrodes 22a, 22b, and 22c, an alternating-current voltage is applied to an electrode in one combination by the voltage-applying portion 31 to measure a value of a current flowing to the other electrode via the dielectric body 21a by electrostatic coupling, an alternating-current voltage is applied to an electrode in another combination out of the at least two different combinations by the voltage-applying portion 31 to measure a value of a current flowing to the other electrode via the dielectric body 21a by electrostatic coupling, and an abnormality of the apparatus 100 is determined from the current values measured.
    Type: Application
    Filed: February 2, 2011
    Publication date: August 11, 2011
    Applicants: NGK Insulators, Ltd., Honda Motor Co., Ltd.
    Inventors: Shoji YOKOI, Takayuki SAKURAI, Tatsuya OKAYAMA, Masanobu MIKI, Keizo IWAMA, Makoto HATTORI, Hidetaka OZAWA
  • Publication number: 20110163761
    Abstract: The particulate matter detection device of the present invention is a particulate matter detection device 100 comprising an electrode portion 21 and detection means 23 for detecting an electrical characteristic of the electrode portion 21, whereby a particulate matter 36 contained in an exhaust gas 32 is detected on the basis of a change of the electrical characteristic due to the particulate matter 36 attached to the electrode portion 21. The particulate matter detection device 100 further comprises removal means 25 and abnormality judgment means 26 for comparing an initial electrical characteristic in a use initial state of the device with the electrical characteristic measured in a state where the particulate matter 36 attached to the surface of the electrode portion 21 is removed by the removal means 25, to judge whether or not the particulate matter detection device 100 has an abnormality.
    Type: Application
    Filed: December 28, 2010
    Publication date: July 7, 2011
    Applicants: NGK Insulators, Ltd., Honda Motor Co., Ltd.
    Inventors: Shoji Yokoi, Takayuki Sakurai, Tatsuya Okayama, Masanobu Miki, Keizo Iwama, Makoto Hattori, Hidetaka Ozawa
  • Publication number: 20100161150
    Abstract: [Object] To provide a heater energization control apparatus which can detect that a heater has been exchanged. [Means for Solution] When an engine is stopped, a microcomputer of a GCU enters a power save mode. When the microcomputer returns to a normal mode in response to an interruption signal periodically generated from an interruption timer, the microcomputer supplies electricity to a heating resistor for a short time and obtains its resistance (S19). When the resistance is greater than a first reference value, the microcomputer determines that a glow plug is removed from the engine; that is, the glow plug is being exchanged (S29). The microcomputer sets an exchange flag to “1” (S30), and performs calibration for the heating resistor of a new glow plug after the engine is operated next time (S35). Further, since the resistance of the heating resistor changes (increases) with deterioration of the heating resistor with time, the acquired resistance may be stored.
    Type: Application
    Filed: November 23, 2009
    Publication date: June 24, 2010
    Applicant: NGK SPARK PLUG CO., LTD.
    Inventors: Takayuki SAKURAI, Takayuki Ohtani, Hiroki Tsuchiya
  • Publication number: 20090294431
    Abstract: A glow plug electrification control apparatus which can maintain the same heater temperature even when resistance varies among glow plugs to be used, and a glow plug electrification control system using the same. The apparatus (101) includes temperature-raising-period-resistance acquisition means for temperature-raising-period resistances Rg1(0.5), etc. of glow plugs (GP1-GPn) at predetermined timings during a temperature-raising period; maintaining-period electrification control means for maintaining the heater temperature Tg1(t), etc. at predetermined target temperatures Tml, etc. after the temperature raising; and maintaining-period resistance acquisition means for acquiring maintaining-period resistances Rg1(t), etc. of the glow plugs GP1, etc. in a maintaining period.
    Type: Application
    Filed: May 29, 2009
    Publication date: December 3, 2009
    Applicant: NGK SPARK PLUG CO., LTD.
    Inventor: Takayuki SAKURAI
  • Patent number: D661721
    Type: Grant
    Filed: August 18, 2011
    Date of Patent: June 12, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Yuko Fujikawa, Saeko Inoue, Hiroto Miyauchi, Takayuki Sakurai
  • Patent number: D663346
    Type: Grant
    Filed: August 18, 2011
    Date of Patent: July 10, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Yuko Fujikawa, Saeko Inoue, Hiroto Miyauchi, Takayuki Sakurai