Patents by Inventor Hiroyuki Ichii

Hiroyuki Ichii 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).

  • Power supply controlling circuit and scanner unit
    Patent number: 8161298
    Abstract: A power supply controlling circuit includes: power supplied portions, adapted to receive power supply from at least one external apparatus; a first power unit, adapted to be driven by a first power; and a second power unit, adapted to be driven by a second power. In response to a change of the power supply, the second power is varied, while the first power is maintained.
    Type: Grant
    Filed: October 5, 2007
    Date of Patent: April 17, 2012
    Assignee: PFU Limited
    Inventors: Satoshi Kubo, Kouhei Dake, Hiroyuki Ichii
  • Power supply controlling circuit and scanner unit
    Publication number: 20080229124
    Abstract: A power supply controlling circuit includes: power supplied portions, adapted to receive power supply from at least one external apparatus; a first power unit, adapted to be driven by a first power; and a second power unit, adapted to be driven by a second power. In response to a change of the power supply, the second power is varied, while the first power is maintained.
    Type: Application
    Filed: October 5, 2007
    Publication date: September 18, 2008
    Applicant: PFU LIMITED
    Inventors: Satoshi Kubo, Kouhei Dake, Hiroyuki Ichii