Tandem Computers Incorporated
322Patents
1Active
322Granted
44Portfolio score
Filing activity: Sep 7, 1976 → Feb 25, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4912637A | Version management tool | Emerging Cross-Sectional Technologies | 651 | Expired |
| US4228496A | Multiprocessor system | Physics | 335 | Expired |
| US5307490A | Method and system for implementing remote procedure calls in a distributed computer system | Electricity | 296 | Expired |
| US4754397A | Fault tolerant modular subsystems for computers | Physics | 283 | Expired |
| US5805920A | Direct bulk data transfers | Physics | 263 | Expired |
| US5625815A | Relational database system and method with high data availability during table data restructuring | Emerging Cross-Sectional Technologies | 262 | Expired |
| US5317752A | Fault-tolerant computer system with auto-restart after power-fall | Physics | 228 | Expired |
| US5295258A | Fault-tolerant computer system with online recovery and reintegration of redundant components | Physics | 226 | Expired |
| US5948108A | Method and system for providing fault tolerant access between clients and a server | Electricity | 219 | Expired |
| US4941170A | Facsimile transmissions system | Emerging Cross-Sectional Technologies | 213 | Expired |
| US4965717A | Multiple processor system having shared memory with private-write capability | Physics | 208 | Expired |
| US5822747A | System and method for optimizing database queries | Emerging Cross-Sectional Technologies | 203 | Expired |
| US5511190A | Hash-based database grouping system and method | Emerging Cross-Sectional Technologies | 188 | Expired |
| US5835915A | Remote duplicate database facility with improved throughput and fault tolerance | Emerging Cross-Sectional Technologies | 180 | Expired |
| US5265221A | Access restriction facility method and apparatus | Physics | 175 | Expired |
| US4663706A | Multiprocessor multisystem communications network | Physics | 175 | Expired |
| US5327553A | Fault-tolerant computer system with /CONFIG filesystem | Physics | 165 | Expired |
| US4667287A | Multiprocessor multisystem communications network | Physics | 163 | Expired |
| US5751955A | Method of synchronizing a pair of central processor units for duplex, lock-step operation by copying data into a corresponding locations of another memory | Electricity | 159 | Expired |
| US5317726A | Multiple-processor computer system with asynchronous execution of identical code streams | Physics | 148 | Expired |
| US4817091A | Fault-tolerant multiprocessor system | Physics | 146 | Expired |
| US5346410A | Filtered connector/adaptor for unshielded twisted pair wiring | Electricity | 145 | Expired |
| US5799323A | Remote duplicate databased facility with triple contingency protection | Emerging Cross-Sectional Technologies | 137 | Expired |
| US4356550A | Multiprocessor system | Physics | 137 | Expired |
| US5751932A | Fail-fast, fail-functional, fault-tolerant multiprocessor system | Electricity | 136 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.