The Hatta is a good match for the Sugino 75/Grand Mighty cranks, but it says nothing in regards to the Campy. The Suginos are JIS, Campy are ISO. That is as much as I was able to determine. Not a solid answer in writing, but just a compilation of info.

I would not run the two (Campy and Hatta) together based on what I have heard - OneTinSloth had posted something a while back in regards to Shimano BB and Sugino Crank compatibility. I paired this with a recent conversation I had with John at Businesscycles (who said Hatta had not informed him of the ISO/JIS compatibility of their BBs).