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.
SOFEL SOFEL Co., Ltd. (株式会社ソフエル , Kabushiki-gaisha Sofueru ) (stands for SOFtware Engineering Laboratory) is a Japanese information technology company involved with business application systems development, multimedia service and system development, and the development of RFID services and systems. It was established in May 1979 to provide software such as COMPS to their major clients.