LDJ Electronics, Inc.
4Patents
0Active
4Granted
27Portfolio score
Filing activity: Jan 4, 1982 → May 14, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4423460A | Bulk tape eraser with rotating magnetic field | Physics | 25 | Expired |
| US4922200A | Apparatus for measuring the hysteresis loop of magnetic film | Physics | 13 | Expired |
| US4462055A | Bulk tape erasing system | Physics | 12 | Expired |
| US5287056A | Surface magnetometer with modulated flux gate section | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.