1
John A Landis, Terrence V Powderly, Rajagopalan Subrahmanian, Aravindh Puthiyaparambil: Virtual data center that allocates and manages system resources across multiple nodes. Unisys Corporation, Richard J Gregson, Woodcock Washburn, May 25, 2010: US07725559 (56 worldwide citation)

A virtualization infrastructure that allows multiple guest partitions to run within a host hardware partition. The host system is divided into distinct logical or virtual partitions and special infrastructure partitions are implemented to control resource management and to control physical I/O devic ...


2
John A Landis, Terrence V Powderly, Rajagopalan Subrahmanian, Aravindh Puthiyaparambil, James R Hunter Jr: Computer system para-virtualization using a hypervisor that is implemented in a partition of the host system. Unisys Corporation, Richard J Gregson, July 19, 2011: US07984108 (29 worldwide citation)

Embodiments of the present invention provide a virtualization infrastructure that allows multiple guest operating systems to run and communicate amongst each other within a host hardware partition. The host system is divided into distinct logical/virtual partitions and special infrastructure partiti ...


3
Ralph DeHart, Ian Farbrother, John A Landis, Theresa J Mundt, Steven Koss: Platform independent data communication system and method. Unisys Corporation, Robert R Axenfeld, Mark T Starr, May 14, 1996: US05517636 (20 worldwide citation)

This invention teaches a method and system for a computer program to accomplish communication in a computer environment which is independent of the system upon which the program is executing. This computer environment constitutes both the machine on which the program is running and other machines wi ...


4
John A Landis, Thomas Prevost: Wireless guitar synthesizer. Neustel Law Offices, July 19, 2011: US07982124 (3 worldwide citation)

A wireless guitar synthesizer for creating theremin like sounds on an unmodified electric guitar. The wireless synthesizer generally includes a portable housing adapted to be moved independent of an electric guitar to influence a sound outputted by an audio means connected to the guitar and a circui ...


5
James R Hunter, Sung V Huynh, Edward T Cavanagh, John A Landis: Dynamic allocation and assignment of virtual functions within fabric. Unisys Corporation, Richard J Gregson, July 5, 2016: US09384060 (2 worldwide citation)

Methods and systems for allocating, one or more virtual functions of a plurality of virtual functions associated with physical functions of I/O interface devices of a computing device are described. One method includes managing one or more physical functions of an I/O interface device within an inte ...


6
James R Hunter, Sung V Huynh, Edward T Cavanagh, John A Landis: Reset of single root PCI manager and physical functions within a fabric. Unisys Corporation, Robert P Marley, Richard J Gregson, October 31, 2017: US09804877

Methods and systems for managing reset of a physical function of an I/O device in a computing system are disclosed, where the physical function is included in a single-root PCI manager. One method includes maintaining a count of active virtual functions associated with the physical function included ...


7
Robert J Sliwa, John A Landis, Michael DiDomenico, Brittney Birchett: Reduced service partition virtualization system and method. Unisys Corporation, Robert P Marley, June 6, 2017: US09672058

A reduced service partition system and method for a host computing device having a host processor and system resources including memory divided into most privileged system memory and less privileged user memory. The system includes a virtualization boot application that operates in the less privileg ...


8
John A Landis, Terrence V Powderly, Rajagopalan Subrahmanian, Aravindh Puthiyaparambil, James R Hunter Jr: Para-virtualized computer system with I/0 server partitions that map physical host hardware for access by guest partitions. Michael B Atlass, Unisys Corporation, March 15, 2007: US20070061441-A1

A virtualization infrastructure that allows multiple guest partitions to run within a host hardware partition. The host system is divided into distinct logical or virtual partitions and special infrastructure partitions are implemented to control resource management and to control physical I/O devic ...


9
John A Landis, Terrence V Powderly, Rajagopalan Subrahmanian, Aravindh Puthivaparambil, James R Hunter: Computer system para-virtualization using a hypervisor that is implemented in a partition of the host system. Unisys Corporation, February 1, 2007: US20070028244-A1

A virtualization infrastructure that allows multiple guest partitions to run within a host hardware partition. The host system is divided into distinct logical or virtual partitions and special infrastructure partitions are implemented to control resource management and to control physical I/O devic ...


10
John A Landis: Scalable partition memory mapping system. Unisys Corporation, March 22, 2007: US20070067366-A1

A virtualization infrastructure that allows multiple guest partitions to run within a host hardware partition. The host system is divided into distinct logical or virtual partitions and special infrastructure partitions are implemented to control resource management and to control physical I/O devic ...



Click the thumbnails below to visualize the patent trend.