Original sentence: It has since been established in interviews that the controller is still being designed, and Nintendo does not wish the concept to be imitated by its competitors before their system can be released.Nintendo is considered to be very protective of its ideas, designs, and intellectual property, and prior innovations (such as the inclusion of an analog stick as standard, and rumble pack devices for controllers) have widely disseminated following their mainstream arrival on Nintendo's machines
Edited sentence: Nintendo is a very secretive company that fiercely protects its ideas, designs, and intellectual property, and it has a history of keeping future products under wraps due to suspicion that ideas will be copied and cloned, as they oft have been in the form of the Analog Stick, Rumble Pak, and Z Targeting