Inventor · disambiguated record
Toshiyuki Kawagishi
Also filed as: KAWAGISHI TOSHIYUKI
8 granted patents·259 citations·filing 1988–2001
89Inventor score
Files withTOSHIBA KK8
Top patents by PatentIndex Score
8 records- 0193US6409080B2Portable electronic device and loyalty point systemTOSHIBA KK·Filed 2001·Granted Jun 25, 2002·143 cites·14 claims
- 0273US6707892B2Application terminalTOSHIBA KK·Filed 2001·Granted Mar 16, 2004·9 cites·14 claims
- 0366US5798507AIC card reader/writerTOSHIBA KK·Filed 1996·Granted Aug 25, 1998·39 cites·13 claims
- 0459US6411200B1Card reader/writer and communication method of card reader writerTOSHIBA KK·Filed 1999·Granted Jun 25, 2002·24 cites·3 claims
- 0553US5408423ABattery operated portable terminal device and method of operationTOSHIBA KK·Filed 1993·Granted Apr 18, 1995·16 cites·13 claims
- 0638US5977758AOvercurrent protection circuit and overcurrent protection method of the circuitTOSHIBA KK·Filed 1998·Granted Nov 2, 1999·9 cites·4 claims
- 0737US6283369B1IC card system and method for securing the systemTOSHIBA KK·Filed 1999·Granted Sep 4, 2001·16 cites·5 claims
- 0833US4964072AElectronic device with calendar functionTOSHIBA KK·Filed 1988·Granted Oct 16, 1990·3 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →