Patents by Inventor Osamu Yoshida

Osamu Yoshida 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: 10543494
    Abstract: PROBLEM TO BE SOLVED: To evolve a spark discharge preventing effect of an electrostatic coating device. SOLUTION: One coating robot has an arm equipped with a plurality of electrostatic coating devices 100 close to each other and the plurality of the electrostatic coating devices 100 is connected in parallel with each other to one high-voltage generator 102. A hollow rotary shaft 108 driven by an air motor 104 is disposed with nine plate-shaped resistors 120 arranged circumferentially at intervals. The nine plate-shaped resistors 120 are connected in series and a high voltage is applied via the resistors 120 to a rotary atomization head 110. The rotary atomization head 110 is made of a semiconductive resin.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: January 28, 2020
    Assignee: Ransburg Industrial Finishing K.K.
    Inventors: Osamu Yoshida, Yoshiji Yokomizo, Naohiro Masuda
  • Publication number: 20190382047
    Abstract: In a power steering apparatus according to the present invention, regarding a lock nut (12) serving as a fixing member, a fixing portion (122) for fixing an outer race (111) of a ball bearing (11) has a portion which overlaps with a facing portion (121) facing the outer race (111) in the direction of a rotation axis (Z) of a nut (941), and is provided radially on an outer side than the facing portion (121). Accordingly, the projection amount of the lock nut (12) toward an output-side pulley (92) is suppressed and the output-side pulley (92) and a belt (93) can be arranged closer to the ball bearing (11) side, as a result of which friction in the ball bearing (11) can be reduced.
    Type: Application
    Filed: November 10, 2017
    Publication date: December 19, 2019
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Osamu YOSHIDA, Tatsuyoshi MARUYAMA
  • Publication number: 20190351938
    Abstract: Provided is a power steering apparatus capable of reducing a maximumly generated stress on an output pulley. An output pulley of a power steering apparatus includes a fastening target portion around a screw insertion hole of a hub portion. When a boundary portion between the hub portion and a winding and hanging portion is defined to be a portion where a minor angle, among relative angles formed between a tangential line of an inner surface of the output pulley and a rotational axis of a nut in an axial cross section of the output pulley that passes through the rotational axis of the nut, gradually reduces from a nut-rotational-axis side toward a radially outer side to then reach 45 degrees, the fastening target portion is a region that is located on an inner side in a radial direction with respect to the boundary portion and overlaps a head portion of a screw in a radial direction of the screw.
    Type: Application
    Filed: December 11, 2017
    Publication date: November 21, 2019
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Ryo TASHIRO, Osamu YOSHIDA
  • Publication number: 20190299273
    Abstract: A bottle-shaped can in which a cap can be mounted on a neck portion without damaging slits and bridges. An annular bead comprises a diametrically largest portion, an upper inclined surface, and a lower inclined surface. An angle of inclination of the upper inclined surface is narrower than that of the lower inclined surface. A thread ridge comprises an incomplete thread portion in which a groove depth is shallower than an average groove depth of the thread ridge, and the incomplete thread portion is formed at one end of the thread ridge on the upper inclined surface at least partially. An angle of inclination of a lower wall of the thread ridge w is greater than that of the upper inclined surface so that a protruding corner is formed. The slits and the bridges are situated at a level lower than the protruding corner.
    Type: Application
    Filed: April 2, 2019
    Publication date: October 3, 2019
    Applicant: DAIWA CAN COMPANY
    Inventors: Yasushi Enoki, Osamu Yoshida
  • Publication number: 20190295866
    Abstract: Provided are a wafer heating and holding mechanism for a rotary table, a wafer heating method for a rotary table, and a wafer rotating and holding device with which a wafer put on a rotary table can be heated while being rotated stably under a state in which an in-plane temperature distribution of the wafer is maintained. The wafer heating and holding mechanism for a rotary table of a wafer rotating and holding device comprises: a rotary shaft; a rotary table placed on an end of the rotary shaft and configured to hold a wafer on an upper surface of the rotary table; a drive motor configured to supply motive power to the rotary shaft; and heating means provided above the rotary table and below the wafer while avoiding contact with the wafer to heat the wafer.
    Type: Application
    Filed: May 18, 2017
    Publication date: September 26, 2019
    Inventors: Osamu YOSHIDA, Masaki TAMURA, Hideaki NAGAI
  • Publication number: 20190291913
    Abstract: A bottle-shaped can in which flatness and circularity of a neck portion are improved. An upper incomplete thread portion is formed at an upper end of a thread. A height of the upper incomplete thread portion is shorter than an average height of the thread, and increases gradually toward the average height. A length of the upper incomplete thread portion between a first point and a second point is set in such a manner that an angle between a line drawn between the first point and a center point of the neck portion, and a line drawn between the second point and the center point of the neck portion falls within a range from 20 degrees to 60 degrees.
    Type: Application
    Filed: March 11, 2019
    Publication date: September 26, 2019
    Applicant: DAIWA CAN COMPANY
    Inventors: Yasushi ENOKI, Osamu YOSHIDA
  • Publication number: 20190287567
    Abstract: According to one embodiment, a disk device includes a disk, a head that performs data read/write processing on a recording region of the disk, a controller that performs a media scan processing for detecting the presence or absence of a defect in a sector in the recording region of the disk in track unit. When the controller performs the media scan processing on a first sector and a second sector arranged in the track, and a third sector arranged between the first sector and the second sector, the controller performs skip processing in which the controller scans the first sector and the second sector, and does not scan the third sector.
    Type: Application
    Filed: September 10, 2018
    Publication date: September 19, 2019
    Inventors: Makoto Segawa, Fuyuki Tawada, Osamu Yoshida
  • Publication number: 20190263442
    Abstract: An object of the present invention is to provide a steering apparatus capable of improving a function of a bearing that supports a steering shaft. A steering apparatus includes a steering shaft, a first housing member, a second housing member, and a bearing. The steering shaft rotates according to a rotation of a steering wheel. The first housing member is located on one side in a rotational axial direction of the steering shaft, and includes a cylindrical portion and a flange portion. The cylindrical portion surrounds the steering shaft. The flange portion extends in a radial direction with respect to a rotational axis of the steering shaft to an outer side of the cylindrical portion in the radial direction. The second housing member is provided on the other side in the rotational axial direction, and forms a housing together with the first housing member. The second housing member includes a connection portion and a containing portion.
    Type: Application
    Filed: March 16, 2017
    Publication date: August 29, 2019
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventor: Osamu YOSHIDA
  • Publication number: 20190248532
    Abstract: An apparatus and a method for accurately processing a neck portion of a bottle-shaped can without changing a posture of the can. An inner tool is inserted into the neck portion from the bottom of a can body to form a stepped portion, and comprises a first forming section having a diameter smaller than an inner diameter of a neck portion. An outer tool comprises a second forming section that is opposed to the inner tool. The stepped portion is formed on the neck portion by sandwiching the neck portion by the first forming section and the second forming section. The inner tool further comprises a holding member that is situated coaxially with the can body to be contacted to an inner surface of the can body. The holding member is attached to the inner tool while being allowed to move in a radial direction together with the can body.
    Type: Application
    Filed: February 5, 2019
    Publication date: August 15, 2019
    Applicant: DAIWA CAN COMPANY
    Inventors: Yasushi ENOKI, Osamu YOSHIDA
  • Publication number: 20190242461
    Abstract: The present invention provides a chain tensioner that automatically adjusts flow path resistance inside an oil leak path with a simple configuration to make it possible to reduce a change in damping characteristics resulting from a change in oil temperature and reduce an increase in manufacturing cost. In the chain tensioner, a pressure oil chamber is provided with an oil leak path communicating with an outside of the chain tensioner, the oil leak path contains a movable piece which is movable with a temperature-dependent deformation member that deforms according to oil temperature, and the movable piece is formed into a shape that changes flow path resistance of the oil leak path according to a position to which the movable piece is moved.
    Type: Application
    Filed: January 31, 2019
    Publication date: August 8, 2019
    Applicant: TSUBAKIMOTO CHAIN CO.
    Inventors: Masanori Watanabe, Osamu Yoshida
  • Patent number: 10371239
    Abstract: A power steering device includes: first and second load transition regions provided in first and second predetermined ranges in a nut side ball screw groove from the other end side openings of the first and second connection passages along the nut ball screw groove, formed so that radial distances between a rotation axis of the nut and the nut side ball screw groove are gradually increased toward the other end side opening of the first and second connection passages, and formed so that the balls pass through first and second no load regions, and then pass through a first load region, when the balls in the first and second predetermined ranges are moved from the other end side opening of the first and second connection passages along the nut side ball screw groove.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: August 6, 2019
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventor: Osamu Yoshida
  • Publication number: 20190195123
    Abstract: To provide a tensioner that has a simple structure and is easy to assemble, and is configured to smoothly relieve pressure during oil release with reduced flow resistance so that the oil pressure in an oil pressure chamber is kept stable in a favorable manner. A relief valve unit includes a cap member that fits with a seat member to retain a stopper member inside the seat member. An external relief hole, which causes a relief-side space in a plunger hole to communicate with the outside of a plunger, opens radially in an outer circumferential surface of the plunger.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 27, 2019
    Applicant: TSUBAKIMOTO CHAIN CO.
    Inventors: Yoshitaka Iwasaki, Masanori Watanabe, Osamu Yoshida, Yuji Kurematsu
  • Patent number: 10309502
    Abstract: A first member (81) including a first opening portion that opens to one side in a circumferential direction around an axis of a rack shaft corresponding to a rotation axis of a nut, and a second member (82) including a second opening portion that confronts the first opening portion, and that opens to the other side in the circumferential direction, are molded so that a first insertion portion (71) and a second insertion portion (72) are inclined along a lead angle of a ball circulation groove with respect to a connection portion (73), and the first and second openings are joined in an abutted state, thereby forming a tube (44).
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: June 4, 2019
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Keisuke Kitamura, Osamu Yoshida
  • Publication number: 20190146513
    Abstract: This autonomous work vehicle travel system is provided with: a satellite positioning module 80 that outputs positioning data indicating a vehicle position of a work vehicle 1; an area setting unit that sets an area CA to be worked in a work site; a route managing unit that calculates a travel route element set, which is an aggregate of multiple travel route elements constituting a travel route that covers the area CA to be worked, and storing the travel route element set so as to be readable; a route element selecting unit that selects a next travel route element to be traveled in sequence from the travel route element set; and an autonomous travel controlling unit that causes the work vehicle 1 to travel autonomously on the basis of the next travel route element and the vehicle position.
    Type: Application
    Filed: June 28, 2017
    Publication date: May 16, 2019
    Inventors: Sakura Tomita, Tomohiko Sano, Kazuo Sakaguchi, Tetsuya Nakajima, Makoto Oshitani, Kenichi Iwami, Osamu Yoshida
  • Publication number: 20190107178
    Abstract: Provided is a tensioner with which efficiency of recirculation of oil can be improved and dependency on oil supplied from an oil pump or the like can be reduced. The tensioner includes a pressure adjustment mechanism, wherein the pressure adjustment mechanism includes a cylinder portion and a piston that is disposed in the cylinder portion so as to be capable of moving in a front-rear direction and that divides an interior space into an oil storage chamber and an adjustment space, and a liquid-tight state is maintained between the cylinder portion and the piston in all positions between a position of the piston where the piston has moved closest to the oil storage chamber side and a position of the piston where the piston has moved closest to the adjustment space side.
    Type: Application
    Filed: October 1, 2018
    Publication date: April 11, 2019
    Applicant: TSUBAKIMOTO CHAIN CO.
    Inventors: Osamu Yoshida, Masanori Watanabe, Yudai Takagi, Yuji Kurematsu
  • Publication number: 20190084392
    Abstract: In a driver, supposing that an angular position of the rotator in a state where a coupler coupling a link member and the rotator together is located at a rearmost position is regarded as a reference angular position, a first angular position is an angular position where the rotator is shifted from the reference angular position in a first rotation direction by an angle ?1, and a second angular position is an angular position where the rotator is shifted from the reference angular position in a second direction opposite to the first rotation direction by an angle ?2 smaller than the angle ?1. The driver has a regulating portion which does not allow the rotator to rotate in the second rotation direction from the second angular position.
    Type: Application
    Filed: February 27, 2017
    Publication date: March 21, 2019
    Applicant: WEBASTO JAPAN CO., LTD.
    Inventors: Koji SAWAHATA, Osamu YOSHIDA
  • Publication number: 20190077445
    Abstract: Provided is a power steering apparatus capable of improving accuracy of relative positions of a first circulation member and a second circulation member. A tube 23 includes a first first-tube-side abutment portion 40 and a second second-tube-side abutment portion 51, and a second first-tube-side abutment portion 41 and a first second-tube-side abutment portion 51, which are configured to restrict relative positions of a first tube 31 and a second tube 32 in a circumferential direction relative to a nut 8.
    Type: Application
    Filed: February 17, 2017
    Publication date: March 14, 2019
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Osamu YOSHIDA, Masatoshi ENOMOTO
  • Publication number: 20190070941
    Abstract: A roof lock device includes a driver 60 having an electric motor 61, a drive gear 62 driven to rotate by the electric motor 61, and a link member 70 coupling the drive gear 62 and the hook member 80 together, and allowing the hook member 80 to reciprocate longitudinally along with the rotation of the drive gear 62. the driver 60 further has a manually operable gear 99 disposed to mesh with the drive gear 62 and is able to be rotated by a certain tool.
    Type: Application
    Filed: February 27, 2017
    Publication date: March 7, 2019
    Applicant: WEBASTO JAPAN CO., LTD.
    Inventor: Osamu YOSHIDA
  • Publication number: 20190061495
    Abstract: A panel structure 30 includes a panel 40 having a first insertion hole 42, a reinforcement 50 having a second insertion hole 52, and a fixing member 70 having a shaft 71 inserted in the first and second insertion holes 42 and 52, and sandwiching and fixing the panel 40 and the reinforcement 50 in their thickness direction. The panel 40 has a higher thermal expansion coefficient than the reinforcement 50. A diameter of the second insertion hole 52 in a direction of thermal expansion of the panel 40 is larger than a diameter of the first insertion hole 42 in the direction.
    Type: Application
    Filed: February 27, 2017
    Publication date: February 28, 2019
    Applicant: WEBASTO JAPAN CO., LTD.
    Inventor: Osamu YOSHIDA
  • Publication number: 20190063562
    Abstract: To provide a tensioner capable of keeping, with a simple structure, oil pressure in an oil pressure chamber stable. The tensioner includes a pressure adjusting mechanism that adjusts oil pressure in the oil pressure chamber. The pressure adjusting mechanism includes a cylinder part, a piston unit set inside the cylinder part so as to be able to approach and separate from the oil pressure chamber, and piston biasing units that bias the piston unit toward the oil pressure chamber. A liquid tight seal condition is kept between the cylinder part and the piston unit at any position between a position where the piston unit has moved closest to the oil pressure chamber and a position where the piston unit has moved closest to the adjustment space. The piston biasing units include at least two piston springs.
    Type: Application
    Filed: July 25, 2018
    Publication date: February 28, 2019
    Applicant: TSUBAKIMOTO CHAIN CO.
    Inventors: Masanori Watanabe, Yudai Takagi, Osamu Yoshida, Yuji Kurematsu