Inventor · disambiguated record
Tetsuo Ugawa
Also filed as: UGAWA TETSUO
2 granted patents·50 citations·filing 1995–1997
66Inventor score
Files withTOSHIBA KK2
Top patents by PatentIndex Score
2 records- 0168US5764462AField ground fault detector and field ground fault relay for detecting ground corresponding to DC component extracted ground fault currentTOSHIBA KK·Filed 1997·Granted Jun 9, 1998·28 cites·5 claims
- 0258US5675465AField ground fault detector and field ground fault relay for detecting ground fault corresponding to DC component extracted from ground fault currentTOSHIBA KK·Filed 1995·Granted Oct 7, 1997·22 cites·12 claims
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