Which American multinational corporation headquartered in San Jose, California , developed a keychain RFID device introduced in 1997 by Mobil Oil Corp?
Verifone Verifone is an American multinational corporation headquartered in San Jose, California that provides technology for electronic payment transactions and value-added services at the point-of-sale.
Zama Group Zama Group is a family-held German-owned company and a manufacturer of diaphragm carburetors, oil pumps and further mechanical precision engine components. Their Headquarters are in Hong Kong, China. Zama supplies mainly to original equipment manufacturers (OEMs) of gasoline-powered outdoor tools, e.g. Stihl, Husqvarna or Yamabiko and claims itself to be the technology leader in their industry.