patentee vs discoverer

patentee and discoverer both are nouns.

Word	Noun	Adjective	Verb	Adverb
patentee	Yes	No	No	No
discoverer	Yes	No	No	No

As nouns, discoverer is a hypernym of patentee; that is, discoverer is a word with a broader meaning than patentee:

Other hypernyms of patentee include artificer, inventor.

patentee (noun)	discoverer (noun)
the inventor to whom a patent is issued	someone who is the first to observe something
	someone who is the first to think of or make something