Inventor
ONG CHIN PHEK
SG5 patents
⚠️ This page may combine multiple inventors who share the name “ONG CHIN PHEK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMADA HITOSHI
2 patentsI SPRINT INNOVATIONS PTE LTD
2 patentsUS12289405B2Apr 29, 2025
Graphical watermark, method and apparatus for generating same, and method and apparatus for authenticating same
I SPRINT INNOVATIONS PTE LTD0 citations43
US11288475B2Mar 29, 2022
Two-dimensional barcode generating method, verification method, server and two-dimensional barcode
I SPRINT INNOVATIONS PTE LTD0 citations32