Yes.
I had a closer look at the templates included, and they are tab separated text files.
This is good news because we can copy-paste one of these in a spreadsheet (be it Excel, openOffice Calc, not a difference), and then after deleting the empty rows, we can work with it and paste our patch names and banks/sub banks.
Here’s a screenshot with editing the xg names.txt
I’ve made some changes just for testing (device name and other header info, a bank, a sub bank and two presets) and then saved it as text (tab delimited) in Excel, at the scripts folder:
Entering Cubase->MIDI Devices, I successfully imported this script with the patches as shown here:
So, with a little work, an import of patch names will work 