Inventor
KAWAGISHI TOSHIYUKI
JP8 patents
Patents
8 patentsUS6409080B2Jun 25, 2002
Portable electronic device and loyalty point system
TOSHIBA KK143 citations96
US6411200B1Jun 25, 2002
Card reader/writer and communication method of card reader writer
TOSHIBA KK24 citations91
US5798507AAug 25, 1998
IC card reader/writer
TOSHIBA KK39 citations88
US6283369B1Sep 4, 2001
IC card system and method for securing the system
TOSHIBA KK16 citations78
US6707892B2Mar 16, 2004
Application terminal
TOSHIBA KK9 citations72
US5408423AApr 18, 1995
Battery operated portable terminal device and method of operation
TOSHIBA KK16 citations72
US5977758ANov 2, 1999
Overcurrent protection circuit and overcurrent protection method of the circuit
TOSHIBA KK9 citations69
US4964072AOct 16, 1990
Electronic device with calendar function
TOSHIBA KK3 citations61