Fostex
The Fostex Company was founded in July 1973 by Foster Electric Co.,Ltd. (founded 1949), one of the world's largest developers of OEM speaker and transducer products, employing over 50,000 people in nine countries/territories. Foster Electric Co.,Ltd. is listed on the Tokyo Stock Exchange. With a long history and an established name in the professional recording industry, Fostex has more recently developed itself a name for its consumer headphone products, most notably the their professional T50RP headphone became the most modified and reworked headphone (by other manufacturers) ever to exist! Fostex continued to release exceptional dynamic and planar headphone designs to this day.
Web Link: http://www.fostexinternational.com/