Patents by Inventor Hiroyuki Sawai

Hiroyuki Sawai 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: 8379231
    Abstract: A display apparatus that has a display screen visible from a back face or a side face of an image forming apparatus is disposed on at least one side face of an image forming apparatus case.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: February 19, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Nakai, Satoshi Machino, Kenzoh Yoshida, Hiroyuki Sawai, Osamu Ueda
  • Patent number: 8373867
    Abstract: A digital multifunction peripheral provided with a scanner portion, an operation portion, an image forming portion, a device control portion, a fax modem, a communications portion, a management portion, and a hard disk (HD) is connected to a server apparatus via an external network. A large-format display is attached integrally to a rear face of a case of the digital multifunction peripheral, with a first display screen facing toward the outside. The device control portion is connected to the server apparatus via the external network, and displays various pieces of provided information managed by the server apparatus on the first display screen.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: February 12, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Nakai, Satoshi Machino, Masanori Matsumoto, Tsutomu Yoshimoto, Hiroyuki Sawai, Osamu Ueda
  • Publication number: 20090293020
    Abstract: A digital multifunction peripheral provided with a scanner portion, an operation portion, an image forming portion, a device control portion, a fax modem, a communications portion, a management portion, and a hard disk (HD) is connected to a server apparatus via an external network. A large-format display is attached integrally to a rear face of a case of the digital multifunction peripheral, with a first display screen facing toward the outside. The device control portion is connected to the server apparatus via the external network, and displays various pieces of provided information managed by the server apparatus on the first display screen.
    Type: Application
    Filed: May 22, 2009
    Publication date: November 26, 2009
    Inventors: Yasuhiro NAKAI, Satoshi MACHINO, Masanori MATSUMOTO, Tsutomu YOSHIMOTO, Hiroyuki SAWAI, Osamu UEDA
  • Publication number: 20090219588
    Abstract: In one embodiment of the present invention, a display apparatus that has a display screen visible from a back face or a side face of an image forming apparatus is disposed on at least one side face of an image forming apparatus case.
    Type: Application
    Filed: February 27, 2009
    Publication date: September 3, 2009
    Inventors: Yasuhiro Nakai, Satoshi Machino, Kenzoh Yoshida, Hiroyuki Sawai, Osamu Ueda
  • Patent number: 6785965
    Abstract: A caulked portion is formed by plastic deformation of a cylindrical portion which is formed at the inner end of a shaft member and is reduced in thickness toward the leading end in a diametrical outward direction. The force required to form the caulked portion is reduced, and the caulked portion is less susceptible to damage. Further, the force of the caulked portion for supporting the inner ring is ensured.
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: September 7, 2004
    Assignee: NSK Ltd.
    Inventors: Hiroyuki Sawai, Takafumi Kuwano, Yoshifumi Hirano
  • Patent number: 6761486
    Abstract: A bearing unit for vehicle wheel support comprising a shaft having a mounting flange for vehicle wheel or suspension apparatus, a step portion formed on one end portion thereof, a first inner ring raceway directly formed thereon, and a crimped portion formed on the end side of the step portion, and an inner ring fitted onto the step portion and having a second inner ring raceway thereon, the shaft being quench hardened at least at the first inner ring raceway with the crimped portion kept as formed and without quench hardened, and the inner ring being fixed to the shaft by the crimped portion of the shaft.
    Type: Grant
    Filed: January 14, 2003
    Date of Patent: July 13, 2004
    Assignee: NSK Ltd.
    Inventors: Hiroya Miyazaki, Yoshihisa Ohnuki, Takafumi Kuwano, Hiroyuki Sawai, Hideo Ouchi
  • Patent number: 6672770
    Abstract: A bearing unit for vehicle wheel support comprising a shaft having a mounting flange for vehicle wheel or suspension apparatus, a step portion formed on one end portion thereof, a first inner ring raceway directly formed thereon, and a crimped portion formed on the end side of the step portion, and an inner ring fitted onto the step portion and having a second inner ring raceway thereon, the shaft being quench hardened at least at the first inner ring raceway with the crimped portion kept as formed and without quench hardened, and the inner ring being fixed to the shaft by the crimped portion of the shaft.
    Type: Grant
    Filed: April 1, 2002
    Date of Patent: January 6, 2004
    Assignee: NSK Ltd.
    Inventors: Hiroya Miyazaki, Yoshihisa Ohnuki, Takafumi Kuwano, Hiroyuki Sawai, Hideo Ouchi
  • Publication number: 20030200658
    Abstract: A caulked portion is formed by plastic deformation of a cylindrical portion which is formed at the inner end of a shaft member and is reduced in thickness toward the leading end in a diametrical outward direction. The force required to form the caulked portion is reduced, and the caulked portion is less susceptible to damage. Further, the force of the caulked portion for supporting the inner ring is ensured.
    Type: Application
    Filed: April 2, 2003
    Publication date: October 30, 2003
    Applicant: NSK LTD.
    Inventors: Hiroyuki Sawai, Takafumi Kuwano, Yoshifumi Hirano
  • Patent number: 6581287
    Abstract: A caulked portion is formed by plastic deformation of a cylindrical portion which is formed at the inner end of a shaft member and is reduced in thickness toward the leading end in a diametrical outward direction. The force required to form the caulked portion is reduced, and the caulked portion is less susceptible to damage. Further, the force of the caulked portion for supporting the inner ring is ensured.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: June 24, 2003
    Assignee: NSK Ltd.
    Inventors: Hiroyuki Sawai, Takafumi Kuwano, Yoshifumi Hirano
  • Publication number: 20030103705
    Abstract: A bearing unit for vehicle wheel support comprising a shaft having a mounting flange for vehicle wheel or suspension apparatus, a step portion formed on one end portion thereof, a first inner ring raceway directly formed thereon, and a crimped portion formed on the end side of the step portion, and an inner ring fitted onto the step portion and having a second inner ring raceway thereon, the shaft being quench hardened at least at the first inner ring raceway with the crimped portion kept as formed and without quench hardened, and the inner ring being fixed to the shaft by the crimped portion of the shaft.
    Type: Application
    Filed: January 14, 2003
    Publication date: June 5, 2003
    Inventors: Hiroya Miyazaki, Yoshihisa Ohnuki, Takafumi Kuwano, Hiroyuki Sawai, Hideo Ouchi
  • Patent number: 6538348
    Abstract: In a state that a wafer stage is not positioned in the center of the Y-direction traveling range, thrusts Fa, Fb supplied from a pair of linear motors to a Y-direction stage are made different and the Y-direction stage is moved in the X direction so that moments Ma, Mb about the centroid of the Y-direction stage by the thrusts Fa, Fb cancel each other. Since the moments Ma, Mb about the centroid generated by the thrusts cancel each other and the thrusts do not act as forces for rotating the Y-direction stage, the Y-direction stage is not deflected in a yawing direction. Such a stage device as constructed above can prevent deflection in a yawing direction due to displacement of the centroid position of an object to be positioned or a stage and precisely move the object to be positioned to a target position.
    Type: Grant
    Filed: February 21, 2001
    Date of Patent: March 25, 2003
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hiroyuki Sawai, Hiroshi Ishii
  • Patent number: 6524011
    Abstract: A bearing unit for vehicle wheel support comprising a shaft having a mounting flange for vehicle wheel or suspension apparatus, a step portion formed on one end portion thereof, a first inner ring raceway directly formed thereon, and a crimped portion formed on the end side of the step portion, and an inner ring fitted onto the step portion and having a second inner ring raceway thereon, the shaft being quench hardened at least at the first inner ring raceway with the crimped portion kept as formed and without quench hardened, and the inner ring being fixed to the shaft by the crimped portion of the shaft.
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: February 25, 2003
    Assignee: NSK Ltd.
    Inventors: Hiroya Miyazaki, Yoshihisa Ohnuki, Takafumi Kuwano, Hiroyuki Sawai, Hideo Ouchi
  • Publication number: 20020146185
    Abstract: A bearing unit for vehicle wheel support comprising a shaft having a mounting flange for vehicle wheel or suspension apparatus, a step portion formed on one end portion thereof, a first inner ring raceway directly formed thereon, and a crimped portion formed on the end side of the step portion, and an inner ring fitted onto the step portion and having a second inner ring raceway thereon, the shaft being quench hardened at least at the first inner ring raceway with the crimped portion kept as formed and without quench hardened, and the inner ring being fixed to the shaft by the crimped portion of the shaft.
    Type: Application
    Filed: April 1, 2002
    Publication date: October 10, 2002
    Inventors: Hiroya Miyazaki, Yoshihisa Ohnuki, Takafumi Kuwano, Hiroyuki Sawai, Hideo Ouchi
  • Patent number: 6434988
    Abstract: A tool controlling apparatus includes a position controlling unit and a torque controlling unit for carrying out the conversion between the position control and the torque control of the tool for pushing the work, and the conversion of the torque in the torque control in a moment by using a servo motor in the course of process of the work.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: August 20, 2002
    Assignee: NSK, Ltd.
    Inventors: Ryoichi Suzuki, Takeharu Hamade, Hiroyuki Sawai
  • Patent number: 6428143
    Abstract: To provide an ink jet image forming method and an ink jet image forming device capable of forming an image of superior quality by using quickly drying ink and slowly drying ink in combination, wherein deviation which may occur in a discharge position of ink causes no reduction in the resolution of the image, black ink is adopted as the slowly drying ink, and so is white ink as one of the quickly drying ink. A white dot is formed with the white ink in a position to form a black dot on white recording paper, thereafter applying the black ink thereto. Deviation which may occur in the discharge position of the quickly drying white ink on the recording paper thus becomes almost visually unnoticeable.
    Type: Grant
    Filed: March 7, 2001
    Date of Patent: August 6, 2002
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kouichi Irihara, Hiroyuki Sawai
  • Patent number: 6425182
    Abstract: A roller cage made of metal for holding rollers of a roller bearing, includes: separation bars separately defining a plurality of window holes along a peripheral direction of the bearing with a constant interval thereamong. The window holes respectively receive said rollers therein. Each of the separation bars includes: a contact surface being formed by press-molding one of an outer diameter surface side end portion and an inner diameter surface side end portion thereof, and contacting with the rolling surface of the roller; and an expansion portion expanding to a radial direction of the bearing at the other of the outer diameter surface side end portion and the inner diameter surface side end portion which is not subjected to the press-molding.
    Type: Grant
    Filed: November 15, 2000
    Date of Patent: July 30, 2002
    Assignee: NSK Ltd.
    Inventors: Akiyoshi Honda, Masahide Matsubara, Kunio Fukuda, Hiroyuki Sawai, Toshiyuki Suzuki, Akiyoshi Yamaguchi
  • Patent number: 6422758
    Abstract: A bearing unit for vehicle wheel support comprising a shaft having a mounting flange for vehicle wheel or suspension apparatus, a step portion formed on one end portion thereof, a first inner ring raceway directly formed thereon, and a crimped portion formed on the end side of the step portion, and an inner ring fitted onto the step portion and having a second inner ring raceway thereon, the shaft being quench hardened at least at the first inner ring raceway with the crimped portion kept as formed and without quench hardened, and the inner ring being fixed to the shaft by the crimped portion of the shaft.
    Type: Grant
    Filed: August 18, 2000
    Date of Patent: July 23, 2002
    Assignee: NSK Ltd.
    Inventors: Hiroya Miyazaki, Yoshihisa Ohnuki, Takafumi Kuwano, Hiroyuki Sawai
  • Publication number: 20020006240
    Abstract: A caulked portion is formed by plastic deformation of a cylindrical portion which is formed at the inner end of a shaft member and is reduced in thickness toward the leading end in a diametrical outward direction. The force required to form the caulked portion is reduced, and the caulked portion is less susceptible to damage. Further, the force of the caulked portion for supporting the inner ring is ensured.
    Type: Application
    Filed: September 7, 2001
    Publication date: January 17, 2002
    Applicant: NSK LTD.
    Inventors: Hiroyuki Sawai, Takafumi Kuwano, Yoshifumi Hirano
  • Patent number: 6336747
    Abstract: A caulked portion is formed by plastic deformation of a cylindrical portion which is formed at the inner end of a shaft member and is reduced in thickness toward the leading end in a diametrical outward direction. The force required to form the caulked portion is reduced, and the caulked portion is less susceptible to damage. Further, the force of the caulked portion for supporting the inner ring is ensured.
    Type: Grant
    Filed: June 12, 2000
    Date of Patent: January 8, 2002
    Inventors: Hiroyuki Sawai, Takafumi Kuwano, Yoshifumi Hirano
  • Patent number: 6332260
    Abstract: In an annular member forming apparatus including: a forming roll rotatable in contact with an outer cylindrical surface of an annular workpiece; a mandrel relatively movable towards and away from the forming roll in contact with an inner cylindrical surface of the workpiece; and an outside diameter detecting device for detecting an outside diameter of the workpiece which is to be worked, the apparatus further includes a moving device for moving relatively the forming roll and the mandrel and for pressing the workpiece by the forming roll and the mandrel moved towards each other to subject the workpiece to rough rolling and to finish rolling. The moving device includes a retracting device for correcting an elastic deformation of the forming roll, the mandrel and the moving device occurring during the rough rolling, for a switching time from the rough rolling to the finish rolling by an output signal from the outside diameter detecting device.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: December 25, 2001
    Assignee: NSK Ltd.
    Inventors: Chuichi Sato, Hiroyuki Sawai, Hiroshi Mitsuboshi