Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5706489 | Method for a CPU to utilize a parallel instruction execution processing facility for assisting in the processing of the accessed data | Chi-Hung Chi, Hatem Ghafir, Balakrishna Raghavendra Iyer, Gururaj Seshagiri Rao, Bhaskar Sinha | 1998-01-06 |
| 5655146 | Coexecution processor isolation using an isolation process or having authority controls for accessing system main storage | Richard I. Baum, Glen A. Brent, Hatem Ghafir, Balakrishna Raghavendra Iyer, Gururaj Seshagiri Rao +4 more | 1997-08-05 |
| 5586315 | Computer program product for off-loading host-based DBMS predicate evaluation to a disk controller | Balakrishna Raghavendra Iyer, Chandrasekaran Mohan | 1996-12-17 |
| 5574902 | Efficient destaging of updated local cache pages for a transaction in a multisystem and multiprocess database management system with a high-speed shared electronic store | Jeffrey W. Josten, Tina Louise Mukai, James Zu-Chia Teng | 1996-11-12 |
| 5557792 | Efficient data base access using a shared electronic store in a multi-system environment with shared disks | Jeffrey W. Josten, Tina L. Masatani, Chandrasekaran Mohan, James Zu-Chia Teng | 1996-09-17 |
| 5551046 | Method for non-hierarchical lock management in a multi-system shared data environment | Chandrasekaran Mohan | 1996-08-27 |
| 5546579 | Page refreshing procedure using two locking granularities to ensure cache coherency in a multisystem database processing environment having a high-speed shared electronic store | Jeffrey W. Josten, Tina Louise Mukai, James Zu-Chia Teng | 1996-08-13 |
| 5537574 | Sysplex shared data coherency method | David A. Elko, Jeffrey A. Frey, John F. Isenberg, Jr., Chandrasekaran Mohan, Jeffrey M. Nick +2 more | 1996-07-16 |
| 5495601 | Method to off-load host-based DBMS predicate evaluation to a disk controller | Balakrishna Raghavendra Iyer, Chandrasekaran Mohan | 1996-02-27 |
| 5493668 | Multiple processor system having software for selecting shared cache entries of an associated castout class for transfer to a DASD with one I/O operation | David A. Elko, Jeffrey A. Frey, Chandrasekaran Mohan, Jeffrey M. Nick, Jimmy Paul Strickland +1 more | 1996-02-20 |
| 5455942 | Partial page write detection for a shared cache using a bit pattern written at the beginning and end of each page | Chandrasekaran Mohan, James Zu-Chia Teng | 1995-10-03 |
| 5455946 | Method and means for archiving modifiable pages in a log based transaction management system | Chandrasekaran Mohan | 1995-10-03 |
| 5408653 | Efficient data base access using a shared electronic store in a multi-system environment with shared disks | Jeffrey W. Josten, Tina L. Masatani, Chandrasekaran Mohan, James Zu-Chia Teng | 1995-04-18 |
| 5327556 | Fast intersystem page transfer in a data sharing environment with record locking | Chandrasekaran Mohan | 1994-07-05 |
| 5287473 | Non-blocking serialization for removing data from a shared cache | Chandrasekaran Mohan | 1994-02-15 |
| 5280611 | Method for managing database recovery from failure of a shared store in a system including a plurality of transaction-based systems of the write-ahead logging type | Chandrasekaran Mohan, James Zu-Chia Teng | 1994-01-18 |
| 5276835 | Non-blocking serialization for caching data in a shared cache | Chandrasekaran Mohan | 1994-01-04 |