Inventor
SAKURADA NORIAKI
JP5 patents
Patents
5 patentsUS5490117AFeb 6, 1996
IC card with dual level power supply interface and method for operating the IC card
SEIKO EPSON CORP327 citations95
US5267211ANov 30, 1993
Memory card with control and voltage boosting circuits and electronic appliance using the same
SEIKO EPSON CORP51 citations92
US5345574ASep 6, 1994
Memory card having controller providing adjustable refresh to a plurality of DRAMs
SEIKO EPSON CORP37 citations87
US6619966B2Sep 16, 2003
Card-shaped electronic apparatus
SEIKO EPSON CORP4 citations61
US5590088ADec 31, 1996
Semiconductor memory device with enable signal conversion circuit operative for reducing current consumption
SEIKO EPSON CORP2 citations60