Burroughs, Inc.
1,235Patents
7Active
1,235Granted
47Portfolio score
Filing activity: May 19, 1969 → Sep 26, 2011 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4479831A | Method of making low resistance polysilicon gate transistors and low resistance interconnections therefor via gas deposited in-situ doped amorphous layer and heat-treatment | Electricity | 535 | Expired |
| US4453212A | Extended address generating apparatus and method | Physics | 245 | Expired |
| US4442507A | Electrically programmable read-only memory stacked above a semiconductor substrate | Physics | 230 | Expired |
| US4245306A | Selection of addressed processor in a multi-processor network | Physics | 221 | Expired |
| US4240143A | Hierarchical multi-processor network for memory sharing | Physics | 220 | Expired |
| US4203123A | Thin film memory device employing amorphous semiconductor materials | Electricity | 207 | Expired |
| US4287592A | Method and apparatus for interfacing stations in a multiloop communications system | Electricity | 190 | Expired |
| US4253144A | Multi-processor communication network | Physics | 185 | Expired |
| US4253146A | Module for coupling computer-processors | Physics | 171 | Expired |
| US4156907A | Data communications subsystem | Physics | 165 | Expired |
| US4355376A | Apparatus and method for utilizing partially defective memory devices | Physics | 164 | Expired |
| US4160120A | Link encryption device | Electricity | 161 | Expired |
| US3978393A | High efficiency switching regulator | Electricity | 159 | Expired |
| US4307446A | Digital communication networks employing speed independent switches | Electricity | 153 | Expired |
| US4637018A | Automatic signal delay adjustment method | Physics | 152 | Expired |
| US4458307A | Data processor system including data-save controller for protection against loss of volatile memory information during power failure | Physics | 150 | Expired |
| US4172213A | Byte stream selective encryption/decryption device | Electricity | 150 | Expired |
| US4101960A | Scientific processor | Physics | 144 | Expired |
| US4467400A | Wafer scale integrated circuit | Emerging Cross-Sectional Technologies | 137 | Expired |
| US4305807A | Electrophoretic display device using a liquid crystal as a threshold device | Physics | 134 | Expired |
| US4458297A | Universal interconnection substrate | Electricity | 134 | Expired |
| US4159468A | Communications line authentication device | Emerging Cross-Sectional Technologies | 129 | Expired |
| US4115872A | Amorphous semiconductor memory device for employment in an electrically alterable read-only memory | Electricity | 119 | Expired |
| US4332027A | Local area contention network data communication system | Electricity | 116 | Expired |
| US4412303A | Array processor architecture | Physics | 112 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.