Mark,
I've heard from a reliable source that Nikon, Canon digital P&S cameras, as well as my Pentax Optio 50 are all made by Sanyo.
Bill
The Nikon D-100 and Pentax ist-D/DS use this sensor. The D-70 uses a different one. (Actually rumoured to be made by Sanyo, though I'm not sure I believe that.)

