Patents by Inventor Kazunori Tanaka

Kazunori 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).

  • Automotive rotary electric machine
    Patent number: 9525317
    Abstract: An automotive rotary electric machine according to the present invention includes: a mounting bolt that is inserted through a penetrating aperture that is formed on a bottom portion of a protective cover and that is fixed to a portion at a first axial end of a casing; and a metal mounting device that is fixed to a portion of the mounting bolt that projects out through the penetrating aperture, and a harness clamp is held by the metal mounting device.
    Type: Grant
    Filed: November 11, 2011
    Date of Patent: December 20, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Atsushi Ohashi, Kazunori Tanaka
  • Mixer drum driving device
    Patent number: 9481106
    Abstract: A mixer drum driving device includes a mixer drum, a hydraulic motor, a hydraulic pump, an auxiliary hydraulic pump for rotating the mixer drum for mixing by supplying pressure oil to the hydraulic motor independently of the hydraulic pump, and a direct-current brush motor for driving and rotating the auxiliary hydraulic pump. In the case of rotating the mixer drum for mixing, the mixer drum is driven and rotated by driving only the auxiliary hydraulic pump by the direct-current brush motor.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: November 1, 2016
    Assignee: KYB Corporation
    Inventors: Yoshimitsu Takahashi, Kazunori Tanaka
  • Automotive rotary electric machine
    Patent number: 9479028
    Abstract: An automotive rotary electric machine has a cooling fan including a flat ring-shaped mounting base plate fixed to a rotor, and a plurality of fan blades arranged in a row circumferentially such that each stands on a surface of the mounting base plate, the fan blades having an S-shaped cross-sectional shape that displaces gradually forward in a direction of rotation from a trailing edge that is an outer circumferential edge toward a leading edge that is an inner circumferential edge, and in which an arc shape near the trailing edge that is convex forward in the direction of rotation and an arc shape near the leading edge that is convex rearward in the direction of rotation are connected smoothly.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: October 25, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Masao Akiyoshi, Yuzuru Kobayashi, Kazunori Tanaka, Yoshihiro Shinosaka, Yoshiro Imazawa
  • Rotating electric machine
    Patent number: 9472994
    Abstract: The present invention provides an AC generator for a vehicle, in which a resin case (26) includes convex portions (33) formed on an outer circumferential surface of the resin case (26) so as to extend in an axial direction of the resin case (26) to be brought into pressure-contact with an inner circumferential wall surface of a counter drive-side bearing housing portion (24), and convex portions (34) formed on an inner circumferential surface of the resin case (26) so as to be opposed to the convex portions (33). The concave portions (34) allow displacement of the convex portions (33) in a radially inward direction of the resin case (26). By an elastic force generated by the displacement of the convex portions (33), the resin case (26) is integrated with the counter drive-side bearing housing portion (24).
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: October 18, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kazunori Tanaka, Kazuya Hasegawa, Shintaro Shimizu, Atsushi Oohashi
  • IMAGE PROCESSING APPARATUS
    Publication number: 20160286095
    Abstract: An image processing apparatus includes a fluorescence pixel detecting unit, a peripheral pixel analyzing unit, and an image processing unit. The fluorescence pixel detecting unit is configured to detect a fluorescence pixel that has a fluorescent color in a document image. The peripheral pixel analyzing unit is configured to detect consecutive non-fluorescence pixels with no fluorescent colors among peripheral pixels within a predetermined range from the detected fluorescence pixel. The consecutive non-fluorescence pixels is at least a predetermined number of consecutive pixels and has a color difference equal to or less than a predetermined value between one and another of the consecutive non-fluorescence pixels. The image processing unit is configured to perform an emphasizing process of improving visibility for the detected consecutive non-fluorescence pixels.
    Type: Application
    Filed: March 17, 2016
    Publication date: September 29, 2016
    Inventor: Kazunori Tanaka
  • Speaker device
    Patent number: 9456278
    Abstract: A speaker device includes a signal processing section and a speaker array that includes a first speaker units group and a second speaker units group. The signal processing section performs a first signal process in which sound based on an audio signal of a first channel is set to output from the first speaker units group and a first virtual focus of the sound is set to an opposite side of the speaker array opposite to a sound output direction of the first speaker units group, and sound based on an audio signal of a second channel is set to output from the second speaker units group and a second virtual focus of the sound based on the audio signal of the second channel is set to an opposite side of the speaker array opposite to a sound output direction of the second speaker units group.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: September 27, 2016
    Assignee: YAMAHA CORPORATION
    Inventors: Kazunori Tanaka, Susumu Takumai
  • Automotive rotary electric machine and stator manufacturing method that is used therefor
    Patent number: 9444314
    Abstract: The stator winding has winding assemblies that are disposed in a stator core so as to be stacked in three or more layers in a radial direction such that slot-housed portions line up in single columns in a clot depth direction inside slots, and radial widths of return portions of the winding assemblies that are mounted so as to be stacked in a radial direction are made sequentially narrower in order of return portions of a winding assembly that is positioned centrally, return portions of a winding assembly that is positioned on an inner circumferential side, and return portions of a winding assembly that is positioned on an outer circumferential side.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: September 13, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kazuya Hasegawa, Kazunori Tanaka, Yoshiro Imazawa, Yoshihiro Harada
  • Leaf shutter system for interchangeable lens cameras
    Patent number: 9436066
    Abstract: A camera system, including: an interchangeable lens; an internal shutter configured to open and close; and a lens detector coupled to the internal shutter and capable of accepting the interchangeable lens, the lens detector configured to detect the presence of a leaf shutter within the interchangeable lens, wherein the lens detector generates a shutter signal to keep the internal shutter open when the presence of the leaf shutter within the interchangeable lens is detected. Key words include interchangeable lens and leaf shutter.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: September 6, 2016
    Assignees: SONY CORPORATION, SONY PICTURES ENTERTAINMENT INC.
    Inventor: Kazunori Tanaka
  • Speaker Array Apparatus
    Publication number: 20160255434
    Abstract: A speaker array apparatus includes an apparatus housing having a disposition plane, and a speaker array which includes a plurality of speakers disposed at least in a vertical direction on the disposition plane of the apparatus housing that is opposite to a listening position. The speaker array apparatus receives and distributes a sound signal input from an outside to all of or a part of the speakers of the speaker array, and outputs the distributed sound signal as a sound beam by controlling an output timing of each sound output from the all or part of the speakers. Each speaker of the speaker array has an appropriate output direction in an elevation angle, the appropriate output direction indicating a direction having largest sound pressure in a sound pressure distribution when the sound is output from the speaker.
    Type: Application
    Filed: February 25, 2016
    Publication date: September 1, 2016
    Inventors: Masaki YAMAMOTO, Susumu TAKUMAI, Kazunori TANAKA, Yuichi SUGISAKI
  • Ventilation structure for AC generator
    Patent number: 9413207
    Abstract: A vehicle AC generator capable of enhancing a cooling effect by increasing an air volume of cooling air is obtained. The AC generator includes: a casing having a ventilation port on an outer periphery; a stator installed in the casing; a rotor supported in the stator in a rotatable manner; a fan installed oppositely to the ventilation port in the casing and rotated integrally with the rotor; and a protrusion formed on a surface of the casing opposing a tip end of the fan at a position adjacent to an outer periphery of the ventilation port of the casing.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: August 9, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Masao Akiyoshi, Kazuya Hasegawa, Atsushi Ohashi, Kazunori Tanaka
  • Stator manufacturing method used for automotive rotary electric machine
    Patent number: 9397542
    Abstract: The stator winding has winding assemblies that are disposed in a stator core so as to be stacked in three or more layers in a radial direction such that slot-housed portions line up in single columns in a slot depth direction inside slots, and radial widths of return portions of the winding assemblies that are mounted so as to be stacked in a radial direction are made sequentially narrower in order of return portions of a winding assembly that is positioned centrally, return portions of a winding assembly that is positioned on an inner circumferential side, and return portions of a winding assembly that is positioned on an outer circumferential side.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: July 19, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kazuya Hasegawa, Kazunori Tanaka, Yoshiro Imazawa, Yoshihiro Harada
  • ROTATING ELECTRICAL MACHINE FOR A VEHICLE
    Publication number: 20160204669
    Abstract: A rotating electrical machine for a vehicle includes a rectifier fixed to a fixing portion of a casing. The rectifier includes a heat sink to which a rectifier element is mounted, and a circuit board configured to electrically connect a stator lead routed out of a stator to the rectifier element. The heat sink includes an element mounting portion, and an axial fin protruding radially outward from the element mounting portion. A supporting portion configured to support the axial fin along an axial direction is formed on one of the casing and the axial fin. The supporting portion is arranged at a position away from the fixing portion so as to be adjacent to the stator lead guide when the rectifier is viewed along the axial direction.
    Type: Application
    Filed: October 31, 2013
    Publication date: July 14, 2016
    Applicant: Mitsubishi Electric Corporation
    Inventor: Kazunori TANAKA
  • OPTICAL RECEIVER MODULE AND PROCESS TO ASSEMBLE OPTICAL RECEIVER MODULE
    Publication number: 20160170145
    Abstract: An optical receiver module that receives a wavelength multiplexed light and a process to assemble the optical receiver module are disclosed. The optical receiver module provides a coupling unit to collimate the wavelength multiplexed light and a device unit that installs an optical de-multiplexer and photodiode elements within a housing. The front wall of the housing through which the wavelength multiplexed light passes is polished in a right angle with respect to the bottom of the housing.
    Type: Application
    Filed: June 9, 2015
    Publication date: June 16, 2016
    Inventors: Masanobu KAWAMURA, Fumihiro NAKAJIMA, Kazushige OKI, Hiroshi HARA, Yasushi FUJIMURA, Kazunori TANAKA, Michio SUZUKI
  • Vehicle AC generator
    Patent number: 9369032
    Abstract: Provided is a vehicle AC generator that further enhances safety at the time of a vehicle collision, without resorting to changes in material or changes in overall thickness. A vehicle AC generator 50 has: a rotor 5 provided on a shaft 4; a stator 10 disposed so as to oppose the rotor; a rectifier 12 rectifying current generated in the stator; a regulator 13 adjusting voltage generated in the stator; and a resin cover 14 covering the rectifier. A partitioning section 15 is integrally formed on the inner side of the resin cover. The partitioning section extends in the peripheral direction and rises in the axial direction of the shaft.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: June 14, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hirotaka Kimata, Kazunori Tanaka
  • Automotive rotary electric machine stator and manufacturing method therefor
    Patent number: 9362795
    Abstract: In the automotive rotary electric machine stator according to the present invention, a stator winding is constituted by distributed windings, slot-housed portions and root portions of coil end portions are formed so as to have flat cross sections, and the slot-housed portions are housed in the slots in contact with each other so as to line up in a single column in a radial direction such that long sides of the flat cross sections are oriented circumferentially. Flatnesses of root portions of the coil end portions that are radially adjacent and that extend outward in different circumferential directions from the slots are mutually different.
    Type: Grant
    Filed: March 19, 2012
    Date of Patent: June 7, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yukiyoshi Onishi, Kazunori Tanaka
  • Rotating electric machine
    Patent number: 9350211
    Abstract: To obtain a rotating electric machine with a simple configuration, including a clearance filling member which can be easily assembled to a bearing housing portion without requiring time and does not adversely affect an outer race of a bearing, provided is an AC generator for a vehicle including a resin case (26) including: a case main body portion (30); an extending portion (32) formed integrally with the case main body portion (30), the extending portion (32) extending toward a rotor (6) beyond an end surface of the counter drive-side bearing (25) housed inside the counter drive-side bearing housing portion (24); and a convex portion (33) formed on an outer circumferential surface of the extending portion (32), the convex portion (32) being configured to be held in pressure contact with the inner circumferential wall surface of the counter drive-side bearing housing portion (24).
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: May 24, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kazunori Tanaka, Kazuya Hasegawa, Shintaro Shimizu, Atsushi Oohashi
  • In-vehicle device
    Patent number: 9346367
    Abstract: An in-vehicle device includes: a terminal to which a vehicle-side connector is connected; a hood portion surrounding the terminal; a protection cover functioning with a purpose of holding or protecting constituent components of the in-vehicle device; and a damper mechanical portion formed integrally with the protection cover and installed on a periphery of the hood portion. The damper mechanical portion has an cuter wall portion linked to a base portion of the protection cover and an inner wall portion spaced apart from an outer surface of the hood portion and held on an inner side of the outer wall portion.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: May 24, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kazunori Tanaka, Kyoko Higashino
  • Rotating electrical machine for vehicle
    Patent number: 9343942
    Abstract: A rotating electrical machine for a vehicle includes a protective cover including a protruding portion projected to an opening side from a circumferential edge portion of a through hole formed in a bottom portion, a stud bolt that is inserted into the through hole to fix a rectifier to a portion of a casing at a position on one side in an axial direction, a mold resin including a projecting portion projected toward the protective cover, for electrically insulating the rectifier and the stud bolt from each other, and a fitting fixed to an extending portion of the stud bolt that extends from the through hole. A harness clamp is held by the fitting, and the projecting portion and the protruding portion are arranged at a position so that the projecting portion and the protruding portion are overlapped with each other in the axial direction of the stud bolt.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: May 17, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hirotaka Kimata, Kazunori Tanaka
  • IMAGE FORMING APPARATUS
    Publication number: 20160116870
    Abstract: An image forming apparatus includes an image forming unit, a fixing device, a degree-of-glossiness input unit, and a control unit. The image forming unit includes a developing device configured to perform development to form, on the basis of image data, a visible image of a toner on paper. The fixing device includes a pair of rollers that contact each other, conveys the paper by the image forming unit to between the pair of rollers, fixes the visible image on the paper by heat and pressure, and outputs the paper as an output material. The degree-of-glossiness input unit causes a user to input the degree of glossiness of the output material. The control unit controls at least one of the fixing device and the image forming unit to change the degree of glossiness of the output material in accordance with the degree of glossiness of the output material.
    Type: Application
    Filed: October 21, 2015
    Publication date: April 28, 2016
    Inventor: Kazunori Tanaka
  • Rotor of rotating electrical machine, and rotating electrical machine provided with same
    Patent number: 9306426
    Abstract: A rotor of a rotating electric machine is configured in such a way that a conductor wire 40 is wound around a bobbin 50 having first and second latching sections 60 and 61 provided in such a way as to extend radially outward from first and second flange sections 51 and 52, respectively, provided respective axis-direction ends of a winding section 59, and includes a magnetic-field coil 15 in which a winding-end section 41 of the conductor wire 40 is wound and latched around the second latching section 61 and in which a lead wire 42 drawn from the winding-end section 41 of the conductor wire 40 by way of the second latching section 61 is wound and latched around the first latching section 60; the radial-direction length of the second latching section 61 is shorter than the radial-direction length of the first latching section 60.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: April 5, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takahiro Kimura, Kazunori Tanaka