Mar 31, 2010Jan 7, 2014Seiko Epson CorporationMemory device, circuit board, liquid receptacle, method of controlling a nonvolatile data memory section, and system including a memory device detachably connectable to a host circuitUS8782326Mar 31, 2010Jul 15, 2014Seiko Epson CorporationMemory device and system including a memory device electronically connectable to a host circuitUS20100257436 *Mar 3