If you do the following searches
Noritake China eBay - Google Search and
Noritake China eBay - Google Image Search then what you find might give you an idea as to the possible value of the Noritake China.
As for the German china, it would help to know the name of the manufacturer of the china. When you know that, then I would suggest trying the same kind of searches like for the Noritake china.
Other resources would be books at a public library or a bookstore, a store that sells antiques and/or collectibles and maybe some links to questions that have been similar to yours that are on the bottom of this page.