Kobayashi's trademark advantage is not obvious. Upon inquiry, Kobayashi's trademark registration application has been successful, and Kobayashi's trademark application uses the surname as the trademark. Under normal circumstances, applying for a trademark with a surname itself is easy to conflict with the ideas of other trademark applicants. Moreover, registering a trademark with a surname does not highlight the distinctiveness of the trademark and the characteristics of the product, which makes people's image not profound. Kobayashi trademark inquiry is as follows: