Patents by Inventor Fangxiao GUAN

Fangxiao GUAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Laser marking of dental appliances
    Patent number: 11602413
    Abstract: Dental appliances, materials, and methods of forming such appliances and materials for improved laser marking are provided herein including the use of textured and/or roughened surfaces to enhance laser marking.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: March 14, 2023
    Assignee: Align Technology, Inc.
    Inventors: Yan Chen, Fangxiao Guan, Kwan Ho, Shiva P. Sambu
  • DENTAL APPLIANCE HAVING PARTICULATE LASER MARKING
    Publication number: 20200085537
    Abstract: Dental appliances, materials, and methods of forming such appliances and materials for improved laser marking are provided herein including the use of a particulate material for enhancing laser marking.
    Type: Application
    Filed: November 7, 2019
    Publication date: March 19, 2020
    Inventors: Chunhua LI, Yan CHEN, Fangxiao GUAN
  • LASER MARKING OF DENTAL APPLIANCES
    Publication number: 20200078137
    Abstract: Dental appliances, materials, and methods of forming such appliances and materials for improved laser marking are provided herein including the use of textured and/or roughened surfaces to enhance laser marking.
    Type: Application
    Filed: September 6, 2019
    Publication date: March 12, 2020
    Inventors: Yan CHEN, Fangxiao GUAN, Kwan HO, Shiva P. SAMBU