I'll have to go search for a link. But it was during the keynote unveiling of the original iPhone if I remember correctly, where actually two of the engineers came to him to demonstrate the capacitive touch screens or panels that were only just beginning to receive main stream attention.
I've watched that keynote, and it certainly wasn't there. While Jobs had a tendency to claim ideas as his own internally (often after dismissing it initially), to the public he never seemed to like to claim ideas as his own, but rather make a point of how the products were a result of teamwork.
