Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7756830 | Error detection protocol | Ching-Yun Chao, Rodolfo Augusto Mancisidor-Landa, Javashree Ramanathan, Amal Ahmed Shaheen | 2010-07-13 |
| 6748381 | Apparatus and method for maintaining consistency of shared data resources in a cluster environment | Ching-Yun Chao, Amal Ahmed Shaheen | 2004-06-08 |
| 6587860 | Apparatus and method for tracking access to data resources in a cluster environment | Tushar Deepak Chandra, Ching-Yun Chao, Daniel Ming-Te Hsieh, Rodolfo Augusto Mancisidor-Landa, Javashree Ramanathan +1 more | 2003-07-01 |
| 6529960 | Method and system for replicating data in a distributed computer environment | Ching-Yun Chao, Amal Ahmed Shaheen | 2003-03-04 |
| 6421679 | Concurrent patch to logical partition manager of a logically partitioned system | Karen Udy Chang, Jeffrey P. Kubala, Steven Messinger, Michael Burrill Phillips, Ira G. Siegel | 2002-07-16 |
| 6338092 | Method, system and computer program for replicating data in a distributed computed environment | Ching-Yun Chao, Amal Ahmed Shaheen | 2002-01-08 |
| 6335937 | Node failure recovery in a hub and spoke data replication mechanism | Ching-Yun Chao, Amal Ahmed Shaheen | 2002-01-01 |
| 6263359 | Computer resource proportional utilization and response time scheduling | Liana L. Fong, Mark S. Squillante | 2001-07-17 |
| 5659786 | System and method for dynamically performing resource reconfiguration in a logically partitioned data processing system | Jonel George, Beth A. Glendening, Paul G. Greenstein, Jeffrey P. Kubala, John Ted Rodell +2 more | 1997-08-19 |
| 5636373 | System for synchronizing logical clock in logical partition of host processor with external time source by combining clock adjustment value with specific value of partition | Beth A. Glendening, Karen Udy, Stephanie Zhang | 1997-06-03 |
| 5600805 | Pass-through for I/O channel subsystem call instructions for accessing shared resources in a computer system having a plurality of operating systems | Kenneth J. Fredericks, Robert Edward Galbraith, Richard Roland Guyette, Marten J. Halma, Suzanne M. John +3 more | 1997-02-04 |
| 5555414 | Multiprocessing system including gating of host I/O and external enablement to guest enablement at polling intervals | Robert E. Murray | 1996-09-10 |
| 5452455 | Asynchronous command support for shared channels for a computer complex having multiple operating systems | Miriam P. Brown, Richard Cwiakala, Kenneth J. Fredericks, Marten J. Halma, David W. Hollar +6 more | 1995-09-19 |
| 5414851 | Method and means for sharing I/O resources by a plurality of operating systems | Frank W. Brice, Jr., Joseph C. Elliott, Kenneth J. Fredericks, Robert Edward Galbraith, Marten J. Halma +8 more | 1995-05-09 |
| 5404563 | Scheduling normally interchangeable facilities in multiprocessor computer systems | Lucina L. Green, Peter H. Gum, Sandra L. Rankin, Stephen J. Schmandt, Ronald M. Smith, Sr. +3 more | 1995-04-04 |
| 5381535 | Data processing control of second-level quest virtual machines without host intervention | Peter H. Gum, Robert E. Murray | 1995-01-10 |
| 5371867 | Method of using small addresses to access any guest zone in a large memory | Jonel George, Moon J. Kim, Allen H. Preston, David E. Stucki, Charles F. Webb | 1994-12-06 |
| 5367661 | Technique for controlling channel operations in a host computer by updating signals defining a dynamically alterable channel program | Kazuo Iimura, Kenya Ishimoto, Masao Nishimoto, Akio Saitoh, Kozo Sawada +3 more | 1994-11-22 |
| 5317705 | Apparatus and method for TLB purge reduction in a multi-level machine system | Patrick M. Gannon, Peter H. Gum, Robert E. Murray | 1994-05-31 |
| 5301324 | Method and apparatus for dynamic work reassignment among asymmetric, coupled processors | Pamela H. Dewey, William Glynn, Manohar R. Rao | 1994-04-05 |
| 5253344 | Method and apparatus for dynamically changing the configuration of a logically partitioned data processing system | James E. Bostick, Suzanne M. John, Jeffrey P. Kubala, Karen M. Noonan, Norman Ehsan Shafa +1 more | 1993-10-12 |
| 5222215 | CPU expansive gradation of I/O interruption subclass recognition | Norman C. Chou, Peter H. Gum, Moon J. Kim, James C. Mazurowski, Donald W. McCauley +3 more | 1993-06-22 |
| 4843541 | Logical resource partitioning of a data processing system | George H. Bean, Terry L. Borden, Mark S. Farrell, Peter H. Gum, Francis E. Johnson +6 more | 1989-06-27 |
| 4779188 | Selective guest system purge control | Peter H. Gum, Peter H. Tallman, Thomas O. Curlee, III | 1988-10-18 |
| 4604694 | Shared and exclusive access control | — | 1986-08-05 |