Ok, after some further digging, it looks like Maclord is now Panasonic. So I think this may be related to some of the marketing that Lucas did in Japan in the late 80's. Still a very odd VHS tape if I do say so myself.
Stuff like these commercials...
http://www.youtube.com/watch?v=bHwhg8xpnyA
http://www.youtube.com/watch?v=BWY54u-EA2Y