It's the same as being inspired from it, I myself have original characters whose names are inspired by certain words ranging from people's name to objects that I like/heard/randomly came across and liked the the sound of and how it fits a certain character I've created. If Kubo hadn't come across Jaeger-LeCoultre (or anything else 'Jeager') to begin with, Grimmjow's surname might have been drastically different, which frankly I cannot bear to imagine. Think about it.

The answer? Jaeger-LeCoultre

*pats* It's understandable, learning facts from school is more important than something as 'trivial' as this X'D The answer is Jaeger-LeCoultre.