Kyocera Corporation is a Japanese multinational ceramics and electronics manufacturer headquartered in Kyoto, Japan. It was founded as Kyoto Ceramic Company, Limited in 1959 by Kazuo Inamori and renamed in 1982.
Kyocera manufactures industrial ceramics, solar power generating systems, telecommunications equipment, office document imaging equipment, electronic components, semiconductor packages, cutting tools, and components for medical and dental implant systems.
Kyocera manufactures mobile phones for wireless carriers in the United States and Canada. Marketing is done by its subsidiary Kyocera International, Inc. In March 2010, Kyocera launched its first Smartphone (Zio) since 2001, after focusing on lower-cost phones.
The Kyocera Echo (sometimes referred to as Sprint Echo) is a smartphone manufactured by Kyocera of Japan and distributed by Sprint in the United States. It runs the Google Android operating system. It was announced by Sprint on 7 February 2011 and released for sale on 17 April 2011.
It is unusual in having two 3.5-inch screens that, when juxtaposed in “tablet mode” create one 4.7-inch screen. It’s the “first dual-screen smartphone”. Each screen can run a different application or display a different web page, or a single app can be run or a single web page can be displayed across both screens; one screen can also display a QWERTY keyboard. Echo runs Android 2.2 and is powered by a 1-GHz processor.
According to Wikipedia