Hitachi Ferrite Electronics, Ltd.
5Patents
0Active
5Granted
26Portfolio score
Filing activity: Feb 28, 1997 → Sep 6, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5847518A | High voltage transformer with secondary coil windings on opposing bobbins | Electricity | 29 | Expired |
| US5850336A | Apparatus having an inverter | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5815062A | Magnetic core | Electricity | 9 | Expired |
| US7061439B1 | Antenna, watch provided with the antenna, and method of manufacturing the antenna | Electricity | 7 | Expired |
| US6479948B2 | Starting device for discharge lamp | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.