WC

Wai Kwong Ching

A( Active Tools International (Hk): 2 patents #5 of 22Top 25%
HT Hong Kong University Of Science And Technology: 2 patents #156 of 964Top 20%
TL Top Alliance Technology Limited: 1 patents #3 of 7Top 45%
Overall (All Time): #929,518 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11993036 Tire sealant composition Angeline Widjaja, Koon Fung Lam 2024-05-28
11135792 Tire repairing system Kong Fung Lam 2021-10-05
10737448 Sealant for tire repairing Koon Fung Lam, Tsz Nok Ng, Ping Shu Ho 2020-08-11
10507257 Inorganic gel for controlled releasing of fragrance and disinfectant King Lun Yeung, Wei Han, Shengli Cao 2019-12-17
10155060 Inorganic gel for controlled releasing of fragrance and disinfectant King Lun Yeung, Wei Han, Shengli Cao 2018-12-18