add new method for assignees into new schema
add new method for assignees into new schema

funginstitute/patentprocessor,yngcan/patentprocessor,nikken1/patentprocessor,yngcan/patentprocessor,nikken1/patentprocessor,nikken1/patentprocessor,funginstitute/patentprocessor,yngcan/patentprocessor,funginstitute/patentprocessor