Patents by Inventor Akira Watanabe

Akira Watanabe 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: 20180193976
    Abstract: A grinding apparatus includes grinding wheel side vibrational displacement calculation devices that obtain a vibrational displacement of a grinding wheel resulting from a vibration in an approaching/separating direction of the grinding wheel; main spindle side vibrational displacement calculation devices that obtain a vibrational displacement of a workpiece generated by propagation of the vibration in the approaching/separating direction of the grinding wheel; a relative vibrational displacement calculation unit that obtains a relative vibrational displacement between the grinding wheel and the workpiece based on the vibrational displacement of the grinding wheel and the vibrational displacement of the workpiece that have been obtained; a position change unit that creates, based on the obtained relative vibrational displacement between the grinding wheel and the workpiece, a position change command to change a position of the wheel spindle stock; and a processing controller that grinds the workpiece W based o
    Type: Application
    Filed: January 2, 2018
    Publication date: July 12, 2018
    Applicant: JTEKT CORPORATION
    Inventor: Akira WATANABE
  • Publication number: 20180193978
    Abstract: A grinding apparatus grinds a workpiece by rotating the workpiece held by main spindles and a grinding wheel held by a wheel spindle, and by relatively moving the grinding wheel toward and away from the workpiece. The grinding apparatus includes a first detection unit that detects a rotational phase of the workpiece; a second detection unit that detects a grinding resistance moment at a grinding point between the grinding wheel and the workpiece, or detects a drive current of a rotary drive unit of the workpiece or a rotary drive unit of the grinding wheel; a storage unit that stores the grinding resistance moment or the drive current in a manner associated with the rotational phase; and a determination unit that determines a slip between the workpiece and the main spindles based on the grinding resistance moment or the drive current at a current rotational phase, and on the grinding resistance moment or the drive current at the same phase as the current rotational phase of a previous time.
    Type: Application
    Filed: December 29, 2017
    Publication date: July 12, 2018
    Applicant: JTEKT CORPORATION
    Inventor: Akira WATANABE
  • Patent number: 10020291
    Abstract: An LED light emitting device with good color mixing property is provided. The LED light emitting device including a rectangular substrate having a short-side and a long-side and a first LED element, a second LED element and a third LED element that are mounted on a surface of the substrate and emit light with wavelengths different from one another, wherein the first LED element and the second LED element are mounted on the substrate so that a first distance from the short-side to a mounting position of the first LED element in the long-side direction of the substrate and a second distance from the short-side to a mounting position of the second LED element in the long-side direction are the same.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: July 10, 2018
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Toshiyuki Mizuno, Kazuya Ishihara, Akira Watanabe, Yasuo Nakanishi
  • Publication number: 20180132503
    Abstract: To offer a process for producing tea and a process for producing a liquid extract including pyrazines. A process for producing tea, which includes extracting a liquid extract from barley tea starting material under conditions of pressure, where at least 20 wt % of the barley tea starting material has a particle size of less than 1700 ?m. A process for producing a liquid extract including pyrazines, which includes extracting a liquid extract from barley under temperature conditions of at least 100° C., and in extracting the liquid extract, the liquid extract is extracted from the barley under conditions of pressure.
    Type: Application
    Filed: October 1, 2015
    Publication date: May 17, 2018
    Inventors: Akira WATANABE, Machiko NAGAYASU, Yoshihisa TACHIBANA
  • Publication number: 20180130913
    Abstract: The present invention relates to an application liquid for forming a semiconductor film, the application liquid comprising: an inorganic semiconductor particle; and a compound having a relative permittivity of 2 or more or a compound having reducing power against the inorganic semiconductor particle; a method for producing a semiconductor film comprising a step of applying the application liquid; a semiconductor film and a semiconductor element comprising the semiconductor film; and a method for producing the semiconductor element.
    Type: Application
    Filed: December 14, 2017
    Publication date: May 10, 2018
    Applicants: Asahi Kasei Kabushiki Kaisha, Tohoku University
    Inventors: Akira Watanabe, Toru Yumoto
  • Publication number: 20180122417
    Abstract: A magnetic recording medium includes a substrate and a stacked film on the substrate and including a magnetic recording layer. An elastic modulus Esub of the substrate satisfies Equation (1) below, where h is a film thickness of the stacked film and Efilm is an Young's modulus of the stacked film: Esub?(200*Efilm)/(6*h)??(1).
    Type: Application
    Filed: February 28, 2017
    Publication date: May 3, 2018
    Inventors: Akira WATANABE, Tomoki UMETSU, Tsuyoshi ONITSUKA, Hiroyuki HYODO
  • Patent number: 9911448
    Abstract: A perpendicular magnetic recording medium according to an embodiment includes a substrate and perpendicular magnetic recording layer. The perpendicular magnetic recording layer includes a recording portion and non-recording portion. The recording portion has patterns regularly arranged in the longitudinal direction, and includes magnetic layers containing Fe or Co and Pt as main components, and at least one additive component selected from Ti, Si, Al, and W. The non-recording portion includes oxide layers formed by oxidizing the side surfaces of the magnetic layers, and nonmagnetic layers formed between the oxide layers.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: March 6, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takeshi Iwasaki, Kazutaka Takizawa, Akira Watanabe, Kaori Kimura, Akihiko Takeo
  • Publication number: 20180001341
    Abstract: According to one embodiment, a structure body includes a plurality of particles and a base body. The particles are separated from each other. The each of the particles includes a first polymer provided at an outer surface of the each of the particles. The base body includes a surface having a protrusion and a recess. The base body includes a second polymer provided at the surface. The second polymer is different from the first polymer. The particles are supported by the protrusion, and the particles are separated from the recess.
    Type: Application
    Filed: February 17, 2017
    Publication date: January 4, 2018
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Tomoaki SAWABE, Akira WATANABE, Naoko KlHARA, Ryosuke YAMAMOTO
  • Patent number: 9859119
    Abstract: A pattern formation method according to an embodiment includes providing a substrate in which protrusions each having a tapered shape are provided on a main surface. The method further includes supplying the main surface with spherical particles equal in diameter to make the spherical particles arrange in a triangular lattice form such that each of the protrusions is at least partially positioned within a region surrounded by the main surface and three of the spherical particles adjacent to one another.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: January 2, 2018
    Assignee: Toshiba Memory Corporation
    Inventors: Takeshi Okino, Akira Watanabe, Naoko Kihara, Ryosuke Yamamoto
  • Publication number: 20170350482
    Abstract: A ball screw device including a low-cost retainer that is disposed between a ball screw shaft and a ball nut and has a flange portion, a steering system using the ball screw device, and a method for producing the retainer of the ball screw device are provided. The ball screw device includes the ball screw shaft, the ball nut, rolling balls, and the retainer. Both side surfaces of each of retainer grooves are formed so as to allow radially outward movement of the rolling balls and to restrict radially inward movement thereof, and the retainer has a weld joint at both of the opposite ends of each retainer groove in the axial direction of the retainer.
    Type: Application
    Filed: May 26, 2017
    Publication date: December 7, 2017
    Applicant: JTEKT CORPORATION
    Inventors: Toshihiro ASAKURA, Takuya NAKAYAMA, Keisuke OGAWA, Hajime KURIKI, Akira WATANABE, Tatsuya SEKIGUCHI
  • Publication number: 20170348828
    Abstract: A grinding wheel includes a disc-like member and a grinding layer disposed on an outer peripheral surface of the disc-like member. The grinding layer includes a plurality of circumferentially-divided grinding chips which are divided in a circumferential direction. Each of the circumferentially-divided grinding chips is formed by arranging a first grinding chip and a second grinding chip in the axis direction, the first grinding chip and the second grinding chip having different properties. A boundary portion between the first grinding chip and the second grinding chip of at least three circumferentially-divided grinding chips continuously arranged in the circumferential direction are arranged toward a predetermined direction in the axis direction in the order in which the circumferentially-divided grinding chips are arranged.
    Type: Application
    Filed: October 30, 2015
    Publication date: December 7, 2017
    Applicant: JTEKT CORPORATION
    Inventor: Akira WATANABE
  • Publication number: 20170339743
    Abstract: A communication apparatus has a communication function which can concurrently perform first communication via another apparatus and second communication not via the other apparatus. When an error related to the second apparatus occurs while no error related to the first communication has occurred in a state in which the first communication and the second communication are concurrently performed, the communication apparatus stops the second communication without performing reactivation automatically.
    Type: Application
    Filed: May 17, 2017
    Publication date: November 23, 2017
    Inventor: Akira Watanabe
  • Publication number: 20170284062
    Abstract: The object of the present invention is to provide a hybrid construction machine that can quickly warm up an electrical storage device and can improve the service life of the electrical storage device. This hybrid construction machine is equipped with: a prime mover (1); an electric motor that supplements the power of the prime mover (1) and generates electric power; an electrical storage device (8) that transmits power to and receives power from the electric motor; a warm-up circuit (25) that circulates a heating medium heated by waste heat from the prime mover (1) or the electric motor, or by a heater (40), to the vicinity of the electrical storage device (8); a control device that controls charging/discharging of the electrical storage device (8) and circulation of the heating medium of the warm-up circuit (25); and an outside air temperature measurement device that measures the outside air temperature.
    Type: Application
    Filed: February 29, 2016
    Publication date: October 5, 2017
    Inventors: Tadashi OSAKA, Ken TAKEUCHI, Akira WATANABE
  • Publication number: 20170268688
    Abstract: The solenoid valve (10) has a poppet valve (41) which is operated to move between a position to close a port and a position to open the port. A fixed iron core (50) having a supporting leg (52) and a driving leg (51) is installed in a valve housing (11), and a movable iron core (60) which drives the poppet valve (41) is disposed between a valve driving member (42) and the fixed iron core (50). An arcuate sliding contact surface (61) is provided on one end portion of the movable iron core (60), and a sliding-abutting surface (62) which abuts on the sliding contact surface (61) is provided on a leading end portion of the supporting leg (52). When a coil (56) is de-energized, the sliding-contacting surface (61) is pressed onto the sliding-abutting surface (62) by a flat spring (70), with an abutting portion of the valve driving member (42) serving as a fulcrum of a tensile force applied to the movable iron core (60).
    Type: Application
    Filed: April 14, 2015
    Publication date: September 21, 2017
    Inventor: Akira Watanabe
  • Patent number: 9744086
    Abstract: In one embodiment, a rolling transport cot may include an elongate frame, one or more support linkages, an arcuate coupling member, and a swivel caster. The one or more support linkages may include a pivoting link that is in rotatable engagement with the elongate frame, a traveling link that is in sliding and rotatable engagement with the elongate frame, and an equalizing link that is in rotatable engagement with the traveling link. The arcuate coupling member can be in rotatable engagement with the pivoting link and the equalizing link. The swivel caster may include a wheel that rotates along a surface and a swivel mechanism that can rotate around an axis that is aligned with the surface at a swivel angle ?. When the traveling link is urged along the elongate frame, the swivel angle ? of the swivel mechanism can be substantially constant.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: August 29, 2017
    Assignee: Ferno-Washington, Inc.
    Inventors: Akira Watanabe, Pavol Graf, Michal Vacula
  • Publication number: 20170234445
    Abstract: A flat spring (70) of a solenoid valve has: an engaging claw (75) which is engaged with an engaging protrusion provided on a movable iron core, and a supporting portion (71) which is installed and fixed between a valve housing and a bobbin. The supporting portion (71) is provided with an attaching claw (72); the attaching claw (72) is attached to an attaching claw holder provided on the bobbin. The engaging claw (75) is provided on a leading end of a pulling portion (73), and a connected portion (74) connects a base end of the pulling portion (73) with the supporting portion (71).
    Type: Application
    Filed: April 14, 2015
    Publication date: August 17, 2017
    Inventor: Akira Watanabe
  • Patent number: 9720353
    Abstract: The present invention relates to an electrophotographic intermediate transfer member that, even if an image is repeatedly and continuously transferred, can retain its transfer performance and can obtain an excellent image for a long time. The electrophotographic intermediate transfer member has a base layer and a surface layer, the surface layer has a matrix-domain structure in the cross section in the thickness direction, the matrix is formed of a binder resin, the domains contains a perfluoropolyether, and a microhardness of a surface of the electrophotographic intermediate transfer member measured by an ultramicro-hardness meter is 50 MPa or more.
    Type: Grant
    Filed: April 3, 2013
    Date of Patent: August 1, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Rieko Sakamoto, Koichi Sato, Kenji Onuma, Kimihiro Yoshimura, Naoto Kameyama, Yasushi Shimizu, Akira Watanabe
  • Publication number: 20170208986
    Abstract: A liquid extract production system capable of efficiently producing a liquid extract. The system comprising an extractor for extracting a liquid extract from extraction raw materials, a liquid extract tank for storing the liquid extract, a flow path of liquid extract that connects the extractor and the liquid extract tank, a flow meter for measuring the flow rate of the liquid extract provided in the flow path, a density meter for measuring the solid content concentration of the liquid extract provided in the flow path, a solid content calculation unit for calculating the solid content included in the liquid extract that flowed through the flow path based on the measured flow rate and solid content concentration, and a liquid transfer controller for controlling the transfer of liquid extract from the extractor to the liquid extract tank based on the calculated solid content.
    Type: Application
    Filed: August 3, 2015
    Publication date: July 27, 2017
    Applicant: THE COCA-COLA COMPANY
    Inventor: Akira Watanabe
  • Publication number: 20170165806
    Abstract: A truer includes: a core formed into a truncated cone; and an abrasive grain layer fixed onto an outer peripheral surface of the core. The core includes: a base that is a small-diameter portion of the truncated cone and has a disc shape; and a tubular member extending from an outer peripheral edge of the base in the direction in which a rotation axis of the truncated cone extends. The tubular member has a hollow tubular shape. The tubular member includes an outer peripheral surface tapered so that a portion of the tubular member opposite to the base and adjacent to an extremity of the tubular member is a large-diameter portion of the truncated cone. A recess opening toward the extremity is defined inward of the tubular member.
    Type: Application
    Filed: December 9, 2016
    Publication date: June 15, 2017
    Applicant: JTEKT CORPORATION
    Inventor: Akira WATANABE
  • Patent number: D809627
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: February 6, 2018
    Assignee: Koganei Corporation
    Inventors: Akira Watanabe, Koichi Teraki, Joji Inaba, Hirokazu Ohki, Kazuya Okamoto