Inventor · disambiguated record
Fumio Urakawa
Also filed as: URAKAWA FUMIO
3 granted patents·1 citations·filing 2016–2018
46Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES3
Top patents by PatentIndex Score
3 records- 0162US10481184B2Input-voltage-abnormality detection method and power source deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Nov 19, 2019·1 cites·9 claims
- 0244US11101660B2Storage battery system and power display deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Aug 24, 2021·0 cites·6 claims
- 0338US10476259B2Power conversion device and method for determining operational state of breaking deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Nov 12, 2019·0 cites·14 claims
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