Pingyun Chen

3 Patents

• US125838292026

  Salt of Benzothiazole Compound, and Crystal Form and Use Thereof

  Sichuan Kelun Pharmaceutical Research Institute Co., Ltd.

  0 cites
• USD10748542025

  Toy Barbecue Grill

  0 cites
• USD10209202024

  Hair Dryer Toy

  0 cites