Sony

Sony is a Japanese multinational corporation and pioneer of FeliCa contactless IC technology, widely deployed in transit systems and mobile payment infrastructure across Asia. The company's RFID/NFC portfolio centers on the FeliCa family, offering high-speed, secure communication for transportation cards, e-money, and access control applications. Sony's chips are notable for their proprietary protocol, strong encryption, and extensive adoption in major transit networks including Japan's Suica and Hong Kong's Octopus systems.