While you're in the process of having the conviction reversed or pardoned, you may petition to have his name removed from the Megans Law internet list. There is an exception for persons convicted under a misdemeaor count of 647.6 (formerly 647(a)) on the application for removal form SS-4046D. It's available on the California Megans Law website, here is the url:
http://www.meganslaw.ca.gov/pdf/Application.pdf

