P

Inventor

HONG CHING-YIN

US17 patents
⚠️ This page may combine multiple inventors who share the name “HONG CHING-YIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIFOTONICS TECH CO LTD

10 patents

SIFOTONICS TECHNOLOGIES CO LTD

6 patents

Huang mengyuan

1 patent