Trademark registration certificate number. Patent No.6040904: ZL200730 107935.0 Patent holder: Zhao Lianshan, who won the "China Excellent Design Patent Award" and published it in China Intellectual Property News. Tsinghua Deren Biotechnology Co., Ltd. has not authorized any unit or individual to use the trademarks of "Tsinghua Deren" and "Brain Health", and has no affiliation with other companies or individuals. Recently, it was discovered in the society that the trademark and patent design were used in commodities and business activities without the authorization of the registrant and patentee, and the trade name of "Tsinghua Deren" and the logo of "Naojian" were used for illegal activities. In order to safeguard the interests of trademark registrants and patentees, we will work with the national intellectual property management department, industrial and commercial law enforcement department and medical device management department to crack down on the infringement of trademark use and patent design, so as to protect the interests of consumers, trademark registrants and patentees. Please carefully check the enterprise name, business license, product registration certificate, trademark registration certificate, patent certificate, etc. So as not to be fooled.