Patents by Inventor Toshinao Osaka

Toshinao Osaka 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).

  • Portable terminal unit
    Patent number: 7735734
    Abstract: By concealing the existence of an area using a function (which is referred to as IC privacy function) capable of concealing the data area corresponding to each service (behaving as if the data area does not exist), an existing function provided in the contactless IC card, an access to the data necessary for a service can be inhibited, so as to control to inhibit (lock) use of the contactless IC card on a service-by-service basis.
    Type: Grant
    Filed: October 30, 2006
    Date of Patent: June 15, 2010
    Assignee: Fujitsu Limited
    Inventors: Hiroyuki Nakatsugawa, Kazuhiro Hosaka, Takuya Otsuki, Masashi Sanjo, Toshinao Osaka, Hiroko Saito, Yoshiteru Chiba, Kenetsu Furuki
  • Portable terminal unit
    Publication number: 20070272752
    Abstract: By concealing the existence of an area using a function (which is referred to as IC privacy function) capable of concealing the data area corresponding to each service (behaving as if the data area does not exist), an existing function provided in the contactless IC card, an access to the data necessary for a service can be inhibited, so as to control to inhibit (lock) use of the contactless IC card on a service-by-service basis.
    Type: Application
    Filed: October 30, 2006
    Publication date: November 29, 2007
    Applicant: FUJITSU LIMITED
    Inventors: Hiroyuki Nakatsugawa, Kazuhiro Hosaka, Takuya Otsuki, Masashi Sanjo, Toshinao Osaka, Hiroko Saito, Yoshiteru Chiba, Kenetsu Furuki