Patents by Inventor Sei Satake

Sei Satake 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).

  • Authentication system
    Publication number: 20020138761
    Abstract: An authentication apparatus avoiding illegitimate authentication procedures performed based on illegitimately acquired personal ID information of other parties is provided. An authentication apparatus 50 receives personal ID information ID1 of an orderer 31, personal ID information ID2 of a vendor 33, and transaction information by an authentication request from an orderer terminal 11, communicates with a vendor terminal 15, then transmits authentication information indicating a legitimacy of the vendor 33 to the orderer terminal 11.
    Type: Application
    Filed: April 15, 2002
    Publication date: September 26, 2002
    Inventors: Hirofumi Kanemaki, Yoshihide Nakamura, Sei Satake, Makoto Saito, Chikara Hashimoto
  • Display apparatus
    Publication number: 20010035917
    Abstract: There is provided a display apparatus capable of assuredly conveying communicative information to viewers, the display apparatus comprising the following: display means for displaying video picture; switching means for turning power-source ON and OFF; and controlling means for controlling the display means to display communicative information thereon in place of the video picture during a period after the switching means executes an operation to turn off the power source until the power source is actually turned off.
    Type: Application
    Filed: February 23, 2001
    Publication date: November 1, 2001
    Applicant: SONY CORPORATION
    Inventors: Sei Satake, Suehiro Nakamura, Hirofumi Kanemaki