Dr. Florian Kolb, Head of Lidars on the berthing which took place on 10. August 2013: "Our Japanese customers place very strict requirements concerning the measurement accuracy of our rendezvous- and docking sensors for HTV. Thanks to the RVS’ precise construction, the exact manufacturing processes and the extensive testing, we are able to fulfill these requirements to enable a successful mission."
Information on the HTV project from the Japanese Space Agency JAXA can be found here.