共きょう同どう発はつ明めい

noun

joint invention

Refers to an invention created by two or more people together. Often used in patent contexts.

• この技ぎ術じゅつは二人ふたりの共きょう同どう発はつ明めいです。

  This technology is a joint invention by two people.

• 共きょう同どう発はつ明めい者しゃとして特とっ許きょを申しん請せいした。

  They applied for a patent as joint inventors.