If you want to be your own, you can form a technical service contract with the other party as the leader or host of the invention, and pay the corresponding R&D experience and remuneration. It is necessary to stipulate in the contract that its technical services are technical assistance, and the remuneration shall be agreed by the entrusting party's branch. The exclusive right and use right of its technological achievements belong to the entrusting party. After the agreement is clear, it is best to have judicial notarization, so that you can enjoy the exclusive patent of this technology.