Patents by Inventor Lawrence A. Drenan

Lawrence A. Drenan 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).

  • Isolated working chamber associated with a secure inter-company collaboration environment
    Patent number: 7546360
    Abstract: A system is described in which multiple companies can securely collaborate on a design or other project, while one company can still protect certain property, such as source code, from the other collaborating companies. The system includes an inter-company collaboration system that includes a set of resources residing on a set of one or more first utility servers maintained by a first company, an access control mechanism for controlling access to the set of resources, a first data storage mechanism, and a secure network connection between the set of utility servers and a second company. The system further includes an isolated system that includes a second set of servers, a second data storage mechanism that includes a first portion that contains data shared with the collaboration system and a second portion that contains data private to the isolated system, and a second access control mechanism to control access to the second set of servers to only individuals associated with one company.
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: June 9, 2009
    Assignee: Cadence Design Systems, Inc.
    Inventors: Anatoli G. Chiroglazov, Lawrence A. Drenan
  • Secure inter-company collaboration environment
    Patent number: 7143136
    Abstract: An environment is described in which multiple companies can securely collaborate on a design or other project. The environment includes a set of resources residing on a set of one or more utility servers maintained by a first company, an access control mechanism for controlling access to the set of resources, a secure network connection between the set of utility servers and a second company, and a remote controller for remotely viewing, by an authorized individual from the second company, a user interface of an application while an authorized individual from the first company is executing the application on the set of utility servers. The secure network connection includes a secure association mechanism for establishing a secure association between participating parties, a virtual point-to-point network connection for transmitting data between associated parties, and an encryption/decryption mechanism.
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: November 28, 2006
    Assignee: Cadence Design Systems, Inc.
    Inventors: Lawrence A. Drenan, Samuel George, Ronald Peter Smith, Deepak P. Upadhyay, Juergen Schmidt, Jens Werner, Wolf-Ekkehard Matzke, Adriaan Ligtenberg
  • Isolated working chamber associated with a secure inter-company collaboration environment
    Publication number: 20040093397
    Abstract: A system is described in which multiple companies can securely collaborate on a design or other project, while one company can still protect certain property, such as source code, from the other collaborating companies. The system includes an inter-company collaboration system that includes a set of resources residing on a set of one or more first utility servers maintained by a first company, an access control mechanism for controlling access to the set of resources, a first data storage mechanism, and a secure network connection between the set of utility servers and a second company. The system further includes an isolated system that includes a second set of servers, a second data storage mechanism that includes a first portion that contains data shared with the collaboration system and a second portion that contains data private to the isolated system, and a second access control mechanism to control access to the second set of servers to only individuals associated with one company.
    Type: Application
    Filed: October 28, 2003
    Publication date: May 13, 2004
    Inventors: Anatoli G. Chiroglazov, Lawrence A. Drenan