Patents by Inventor Hiromi Iwasaki

Hiromi Iwasaki 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: 10888160
    Abstract: An apparatus for continuously and adjustably subdividing a space. The apparatus contains front and rear rails, each having a rail aperture and a rail channel, a divider panel, and a first fastener and a second fastener that can be inserted into the rail aperture of the front and rear rails, respectively, and can be retained within the rail channel of the front and rear rails, respectively. Widened notches are formed in the rails more than a minimum subspace distance from surface intersections, so that fasteners for subspace-defining structures or subspace-functional elements can be inserted and removed. Preferably, the rails are inset flush with the interior surfaces of the interior space.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: January 12, 2021
    Inventor: Mark Hiromi Iwasaki
  • Patent number: 7722200
    Abstract: An electric mirror control device is provided which can prevent generation of a clutch noise by stopping slipping of a clutch provided at an actuator as quickly as possible while preventing narrowing of an allowable range of a tilting angle of a mirror surface. In controlling an electric mirror, a control device clamps a voltage value of a voltage applied to a motor detected by a mirror surface angle detection circuit to a predetermined upper limit value and a predetermined lower limit value at a clamp circuit. Stop control of the motor is performed based on the voltage value clamped to the upper limit value and the lower limit value in this way.
    Type: Grant
    Filed: January 12, 2009
    Date of Patent: May 25, 2010
    Assignee: Murakami Corporation
    Inventors: Hiromi Iwasaki, Ayako Yamada
  • Publication number: 20090122433
    Abstract: An electric mirror control device is provided which can prevent generation of a clutch noise by stopping slipping of a clutch provided at an actuator as quickly as possible while preventing narrowing of an allowable range of a tilting angle of a mirror surface. In controlling an electric mirror, a control device clamps a voltage value of a voltage applied to a motor detected by a mirror surface angle detection circuit to a predetermined upper limit value and a predetermined lower limit value at a clamp circuit. Stop control of the motor is performed based on the voltage value clamped to the upper limit value and the lower limit value in this way.
    Type: Application
    Filed: January 12, 2009
    Publication date: May 14, 2009
    Applicant: MURAKAMI CORPORATION
    Inventors: Hiromi IWASAKI, Ayako YAMADA
  • Patent number: 7282877
    Abstract: The present invention provides a DC brush motor rotation amount detection method comprising the steps of: counting pulses generated by switching of brushes when a DC brush motor rotates; removing any noise pulse generated during a pulse rejection period which is shorter than a pulse interval and which is started when each pulse is generated; counting pulses generated during pulse acceptance periods outside the pulse rejection periods; and detecting a rotation amount of the DC brush motor, wherein the pulse rejection period during steady-state operation of the DC brush motor is ended when a predetermined time elapses from a start point of the pulse rejection period, where the predetermined time is calculated by multiplying a pulse interval of a corresponding pulse zone one rotation before a pulse zone to which the pulse rejection period belongs by a coefficient K(½<K<1).
    Type: Grant
    Filed: November 16, 2005
    Date of Patent: October 16, 2007
    Assignee: Murakami Corporation
    Inventors: Noriyuki Takemasa, Ayako Yamada, Hiromi Iwasaki, Norihiro Suzuki
  • Publication number: 20070024996
    Abstract: An electric mirror control device is provided which can prevent generation of a clutch noise by stopping slipping of a clutch provided at an actuator as quickly as possible while preventing narrowing of an allowable range of a tilting angle of a mirror surface. In controlling an electric mirror, a control device clamps a voltage value of a voltage applied to a motor detected by a mirror surface angle detection circuit to a predetermined upper limit value and a predetermined lower limit value at a clamp circuit. Stop control of the motor is performed based on the voltage value clamped to the upper limit value and the lower limit value in this way.
    Type: Application
    Filed: June 6, 2006
    Publication date: February 1, 2007
    Applicant: MURAKAMI CORPORATION
    Inventors: Hiromi Iwasaki, Ayako Yamada
  • Publication number: 20060208722
    Abstract: The present invention provides a DC brush motor rotation amount detection method comprising the steps of: counting pulses generated by switching of brushes when a DC brush motor rotates; removing any noise pulse generated during a pulse rejection period which is shorter than a pulse interval and which is started when each pulse is generated; counting pulses generated during pulse acceptance periods outside the pulse rejection periods; and detecting a rotation amount of the DC brush motor, wherein the pulse rejection period during steady-state operation of the DC brush motor is ended when a predetermined time elapses from a start point of the pulse rejection period, where the predetermined time is calculated by multiplying a pulse interval of a corresponding pulse zone one rotation before a pulse zone to which the pulse rejection period belongs by a coefficient K(½<K<1).
    Type: Application
    Filed: November 16, 2005
    Publication date: September 21, 2006
    Inventors: Noriyuki Takemasa, Ayako Yamada, Hiromi Iwasaki, Norihiro Suzuki
  • Patent number: 4427869
    Abstract: Method is disclosed for manufacturing a panel assembly comprised of an inner panel and an outer panel which are welded together at the peripheral portions thereof.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: January 24, 1984
    Assignee: Toyo Kogyo Co., Ltd.
    Inventors: Toshio Kimura, Kunitoshi Kataoka, Yoshiaki Yamaji, Hiromi Iwasaki, Shinichi Yamashita