Patents by Inventor Friedrich Toensing

Friedrich Toensing 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).

  • Authenticating a mobile id via hash values
    Patent number: 11290886
    Abstract: A method for authenticating a mobile identity (ID) is provided. The mobile ID is provided on an end device of a user. Personal information about the user is first brought into anonymized form via a one-way function known to the end device of the user and to a first entity and transmitted with a single mobile ID certificate to the first entity. A communication exchange between the end device of the user and the first entity is henceforth identified by this mobile ID certificate. At a later point in time, the user is provided a permission option to transmit the personal information in non-anonymized form to the first entity. The first entity uses the then transmitted non-anonymized personal information to check its anonymized form.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: March 29, 2022
    Assignee: DEUTSCHE TELEKOM AG
    Inventors: Christian Stengel, Joerg Breuer, Friedrich Toensing
  • AUTHENTICATING A MOBILE ID VIA HASH VALUES
    Publication number: 20210195419
    Abstract: A method for authenticating a mobile identity (ID) is provided. The mobile ID is provided on an end device of a user. Personal information about the user is first brought into anonymized form via a one-way function known to the end device of the user and to a first entity and transmitted with a single mobile ID certificate to the first entity. A communication exchange between the end device of the user and the first entity is henceforth identified by this mobile ID certificate. At a later point in time, the user is provided a permission option to transmit the personal information in non-anonymized form to the first entity. The first entity uses the then transmitted non-anonymized personal information to check its anonymized form.
    Type: Application
    Filed: December 15, 2020
    Publication date: June 24, 2021
    Inventors: Christian Stengel, Joerg Breuer, Friedrich Toensing
  • Method for generating digital watermarks for electronic documents
    Patent number: 7555649
    Abstract: Verification of true authorship on the basis of digital watermarks is described. The digital watermark can be provided with the proof of identity id and/or with the hash value h(m) of the document and/or with a time value t.
    Type: Grant
    Filed: September 23, 1999
    Date of Patent: June 30, 2009
    Assignee: Deutsche Telekom AG
    Inventors: Joerg Schwenk, Friedrich Toensing
  • Method and device for accurately dating an electronic document
    Patent number: 5781630
    Abstract: In a method for verifying the instant that a transaction is implemented or that a document is created, signed, sent and/or received, it is provided for a time marker to be inserted into the document in a tamper-proof manner, and for the time marker to correspond to a time stamp taken from a non-adjustable clock. An arrangement for performing the method is also provided.
    Type: Grant
    Filed: March 17, 1997
    Date of Patent: July 14, 1998
    Assignee: Deutsche Telekom AG
    Inventors: Klaus Huber, Friedrich Toensing