George E. Keefe
14Patents
5h-index
14Co-inventors
59Inventor score
Filing activity: Dec 31, 1974 → Apr 30, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3967002A | Method for making high density magnetic bubble domain system | Electricity | 27 | Expired |
| US4070658A | Ion implanted bubble propagation structure | Electricity | 8 | Expired |
| US3988722A | Single sided, high density bubble domain propagation device | Electricity | 6 | Expired |
| US4142250A | Bubble translation switch using magnetic charged wall | Physics | 5 | Expired |
| US4739342A | Crossed-element magnetographic print head | Performing Operations; Transporting | 5 | Expired |
| US4128895A | Magnetic wall assisted bubble domain nucleator | Physics | 5 | Expired |
| US4164029A | Apparatus for high density bubble storage | Physics | 4 | Expired |
| US3996572A | Very high density gapless propagation structure for bubble domains | Physics | 4 | Expired |
| US4271485A | Bubble domain storage using improved transfer switch | Physics | 3 | Expired |
| US4247912A | Magnetic bubble domain chip with enhanced propagation margins | Physics | 3 | Expired |
| US4403305A | Non-data reversing bubble transfer switch for contiguous disks | Electricity | 2 | Expired |
| US4263662A | Guard rail for contiguous element bubble chips | Physics | 2 | Expired |
| US4007445A | Minimum structure bubble domain propagation | Physics | 0 | Expired |
| US4725850A | Electromagnetic head with separate addressability resolution and imaging resolution functions | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.