According to http://www.imcdb.org/vehicle_254430-UD.html, "UD" / "Nissan Diesel" is not same company as "Nissan".

* There are more than 40 images are in http://www.imcdb.org/vehicles_make-Nissan+Diesel.html
* There are 5 images in http://www.imcdb.org/vehicles_make-UD.html