CN

Chi Hang Ngai

JA Johnson Electric International Ag: 2 patents #82 of 404Top 25%
JS Johnson Electric S.A.: 1 patents #231 of 526Top 45%
Overall (All Time): #1,448,446 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10612545 Gear pump Mohanlal Ramadoss, Wu Liu 2020-04-07
10415566 Gear pump Mohanlal Ramadoss, Wu Liu 2019-09-17
8492953 Lamination James Ching Sik Lau, Duncan Yiu Lung Wong 2013-07-23