inventor vs patentee

inventor and patentee both are nouns.

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

As nouns, patentee is a hyponym of inventor; that is, patentee is a word with a more specific, narrower meaning than inventor:

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