5,319,786 - Apparatus for controlling a scanning type video display to be divided into plural display regions
5,226,140 - Apparatus for controlling the transfer of data
5,059,955 - Apparatus for producing video signals 
5,034,886 - Computer system for reducing number of dedicated registers using memory stock and sharing of address and general purpose registers
5,030,946 - Apparatus for the control of an access to a video memory
4,970,642 - An apparatus for accessing a memory 
4,951,038 - Apparatus for displaying a sprite on a screen 
4,924,744 - Apparatus for generating sound through low frequency and noise modulation 
