Lem Heme Limited
7Patents
1Active
7Granted
28Portfolio score
Filing activity: Apr 5, 1994 → May 25, 2005 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5610512A | Clamp-on electrical measuring device | Physics | 49 | Expired |
| US5825175A | Magnetic sensors | Physics | 20 | Expired |
| US7622909B2 | Magnetic field sensor and electrical current sensor therewith | Physics | 9 | Expired |
| US7746068B2 | Method and apparatus for measuring current | Physics | 7 | Active |
| US7298131B2 | Current sensors | Electricity | 2 | Expired |
| US7746059B2 | Current measurement apparatus | Physics | 0 | Expired |
| US7495448B2 | Electro-chemical deterioration test method and apparatus | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.