First of all, it depends on whether the design made by an individual is to complete the tasks assigned by the company, that is, whether it is done to complete the job. If it is, it is a job invention.
Secondly, although the designs made by individuals are not for completing their own jobs, they can only be completed by relying mainly on the material and technical conditions provided by the company. For example, they must rely on some unique resources within the company, and if they are job inventions;
according to the patent law, the patent application right and patent right of the above-mentioned service invention-creation belong to the company.
if the design made by an individual is not for the purpose of completing his own work, it is a non-service invention, and the intellectual property rights belong to the individual.
Refer to Article 6 of the Patent Law:
An invention created by performing the tasks of the unit or mainly using the material and technical conditions of the unit is a service invention-creation. The right to apply for a patent for a service invention-creation belongs to the entity; After the application is approved, the entity shall be the patentee.
the right to apply for a patent for a non-service invention-creation belongs to the inventor or designer; After the application is approved, the inventor or designer shall be the patentee.
in the case of an invention-creation completed by utilizing the material and technical conditions of the entity, if the entity has entered into a contract with the inventor or designer to stipulate the right to apply for a patent and the ownership of the patent right, such agreement shall prevail.