独どく自じ開かい発はつ

noun which may take the genitive case particle 'no', noun or participle which takes 'suru'

independently developed; proprietary

Used for technology, products, or systems developed in-house without relying on external sources. Often appears in business and technical contexts.

• このソフトウェアは独どく自じ開かい発はつされたものです。

  This software was developed in-house.

• 独どく自じ開かい発はつの技ぎ術じゅつで業ぎょう界かいをリードしている。

  They lead the industry with their proprietary technology.