特許 とっきょ技術 ぎじゅつじゃありませんでした
tokkyogijutsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 特許技術

1. It was not a patented technology.; It wasn't a special/unique technology.

Past/Perfective
Negative
Polite
Terminal Form