Porta Phone, 145 Dean Knauss Dr, Narragansett, RI 02882, US

Formed in 1984, Kopin Corporation is a manufacturer of microdisplays to the consumer electronics, industrial and military markets and a supplier of heterojunction bipolar transistor wafers for power amplifier integrated circuits. Since 1999, the company has shipped more than 15 million CyberDisplays for digital cameras, personal video eyewear, camcorders, thermal weapon sights and head-mounted microdisplays. It also has shipped more than 500,000 heterojunction bipolar transistor wafers, which have been integrated into more than 1 billion wireless handsets and into wireless fidelity, voice over Internet protocol and high-speed Internet data transmission systems. Kopin's technology is protected by more than 200 worldwide patents and pending patents. Kopin Corporation is headquartered in Taunton, Mass.