Ricoh announced that they buy PENTAX camera brand from Hoya. Hoya spin off its Camera company and Ricoh will obtain it's stock. Ricoh will also divide and spin off Camera operations. There is steap competition in the field of digital cameras and this will continue, I think.
By the way, CASIO brand is well-known as Tough functional mobile phones. Recently NTT DoCoMo annouced a new Smart Phone Model by Android OS;