At the beginning of February 2016, my publications reached 500 citations according to Google scholar. I’m glad to see that many of my earlier papers are still being cited frequently. Google scholar currently lists 22 publications (most peer-reviewed), and one US patent.
/edit on April 4: Our GPS paper has now reached 100 cites since Oct 2010
/edit: just to capture numbers of 2015: I received 15,700 emails, and sent 4,500 emails.