1. You need to pay a license fee to a Japanese company, but you must apply for approval from China before you can enjoy the patent rights.
2. There is no need to pay a patent license fee to a Japanese company. Because patent royalties already exist in Japan, it does not depend on whether the local licensing royalties will infringe on their own rights. When Chinese companies produce products, they have already obtained patent transfer certificates
3. They need to pay the Japanese company License royalties, because in order to exercise the rights and interests of the product in the region, you must bear certain obligations to pay patent fees
4. After the validity period expires, the technology has use value, but you can use it freely and free of charge without paying royalties. .