Yes it does. Download and install this KM macro: Front Window Analysis Tool Using AppleScript System Events (List UI Elements). Set it up to show on the KM menu.
Then when you have Logic running with a plug-in name displayed, launch the macro from the KM menu. It might take a couple of seconds. When it's done, it should display a text file with a tree-like list of controls. Post the result, and let's see what we can find out from it.