TSZ KIU JASON CHIU

Follow

Person

HONG KONG, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Stop announcement system and method therefor
- Patent number 11,364,942
- Issue date Jun 21, 2022
- STARBERRY LIMITED
- Tak Ko Chan
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
STOP ANNOUNCEMENT SYSTEM AND METHOD THEREFOR
- Publication number 20200207386
- Publication date Jul 2, 2020
- SMART ALIGHTING LIMITED
- TAK KO CHAN
- B61 - RAILWAYS