Inventor · disambiguated record
Upal Sengupta
Also filed as: SENGUPTA UPAL
9 granted patents·438 citations·filing 1992–2000
92Inventor score
Top patents by PatentIndex Score
9 records- 0190US5541490AComputer power supply systemZENITH DATA SYSTEMS CORP·Filed 1994·Granted Jul 30, 1996·110 cites·3 claims
- 0285US6320354B1Method and apparatus for battery chargingMOTOROLA INC·Filed 2000·Granted Nov 20, 2001·64 cites·17 claims
- 0385US5561361AComputer power supply and battery recharging systemZENITH DATA SYSTEMS CORP·Filed 1994·Granted Oct 1, 1996·70 cites·9 claims
- 0478US6134612AExternal modular bay for housing I/O devicesNEC CORP·Filed 1997·Granted Oct 17, 2000·35 cites·22 claims
- 0573US5661393ACircuit and method for detecting and indicating the state of charge of a cell or batteryRAY O VAC CORP·Filed 1995·Granted Aug 26, 1997·45 cites·97 claims
- 0671US5847546ASystem and apparatus for generating a continuosly variable reference signal for controlling battery cell chargingPACKARD BELL NEC·Filed 1997·Granted Dec 8, 1998·39 cites·12 claims
- 0767US5629604AComputer power supply systemZENITH DATA SYSTEMS CORP·Filed 1992·Granted May 13, 1997·30 cites·12 claims
- 0859US5838141AMethod for generating a continuously variable reference signal for controlling battery cell chargingPACKARD BELL NEC·Filed 1997·Granted Nov 17, 1998·24 cites·4 claims
- 0938US5652496AElectrical device having a discriminating, rechargeable battery systemRAY O VAC CORP·Filed 1996·Granted Jul 29, 1997·21 cites·53 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →