KO, W. Y. A. (Inventor), 11 Jun 2021, Patent Registry, Intellectual Property Department (HKSAR), Patent No. HK30037702, 3 Feb 2021, Priority date 3 Feb 2021
Research output: Patents, Agreements, Assignments › Patents (LU)
KO, W. Y. A. (Inventor), 28 May 2021, Patent Registry, Intellectual Property Department (HKSAR), Patent No. HK30036740, 22 Jan 2021, Priority date 22 Jan 2021
Research output: Patents, Agreements, Assignments › Patents (LU)