Here's Exhibit J... tho I do not believe it cites any Arm cores specifically
http://photos.imageevent.com/banos/jalitigation/Doc%2097-28%20Exhibit%20J%20show_case_doc.pdf
Also here's one of those MEI User Manuals that had specifically mentioned Arm core use
https://www.semicon.panasonic.co.jp/micom/manual/pdf/26002-024e.pdf#search=%22matsushita%20MN1A7T0200%20arm%22
Good luck.. let us know if you find anything