Patents by Inventor Yutaka Asai

Yutaka Asai 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: 8419298
    Abstract: A drive mechanism includes: an actuator including a rotor magnetized; a magnetic body, a magnetically attractive force being generated between the magnetic body and the rotor; and a sandwiched member sandwiched between the rotor and the magnetic body. At least one of the magnetic body and the sandwiched member is coupled to the rotor, and the magnetic body and the sandwiched member slidably contact each other.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: April 16, 2013
    Assignee: Seiko Precision Inc.
    Inventors: Hisashi Kawamoto, Yutaka Asai
  • Publication number: 20110150458
    Abstract: A drive mechanism includes: an actuator including a rotor magnetized; a magnetic body, a magnetically attractive force being generated between the magnetic body and the rotor; and a sandwiched member sandwiched between the rotor and the magnetic body. At least one of the magnetic body and the sandwiched member is coupled to the rotor, and the magnetic body and the sandwiched member slidably contact each other.
    Type: Application
    Filed: March 3, 2011
    Publication date: June 23, 2011
    Applicant: SEIKO PRECISION INC.
    Inventors: Hisashi KAWAMOTO, Yutaka ASAI
  • Publication number: 20100109919
    Abstract: A key backlight controller, a portable terminal, a key backlight control method, and a program which reduce a consumption current during key operation. A key backlight controller (100) comprises a key input section (120) for inputting data by key depression, a key backlight section (140) for illuminating the key input section (120), a time measurement section (130) for clocking a certain period of time from the key depression, and a key backlight operation control unit (110) for performing a key backlight control to turn off the backlight section (140) for a certain period of time during which the time measurement section (130) measures when the key depression by the key input section (120) is detected while the backlight operates.
    Type: Application
    Filed: September 28, 2006
    Publication date: May 6, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Daisuke Nishi, Yutaka Asai
  • Patent number: 5065153
    Abstract: A contention control system for a shared communication medium has a separate control line. Functional modules contend on the control line for use of the communication medium. The system is simple and inexpensive, and avoids data collisions.
    Type: Grant
    Filed: June 24, 1988
    Date of Patent: November 12, 1991
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Eizo Tomita, Yutaka Asai
  • Patent number: 5025891
    Abstract: The escape of the present invention is installed in each storey of a building and comprises a storage space for the escape, a sliding platform, and an escape passageway. The storage space is formed in each storey of the building to have a configuration of a rectangular parallelepiped. The storage space has an opening in an external wall of a building. The platform is normally put away in the storage space and, in case of emergency, slides out from the opening of the storage space to form a landing of the escape passageway. The escape passageway is put up in the platform while one end of the passageway is pivotally attached to the platform to rotate the passageway downwards. When the escape is used, one end of the escape passageway rotates toward a lower platform to form an inclined passage between the upper and lower platforms.
    Type: Grant
    Filed: January 23, 1990
    Date of Patent: June 25, 1991
    Assignee: Naka Technical Laboratory
    Inventors: Hiromitsu Naka, Yutaka Asai, Shouzi Naka