SY

Siu Chung Yip

JA Johnson Electric International Ag: 1 patents #163 of 404Top 45%
JS Johnson Electric S.A.: 1 patents #231 of 526Top 45%
Overall (All Time): #1,947,997 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10418919 Electric tool and motor drive system Yuk Tung LO, Hai Bo MA, Song Chen, Yong Sheng GAO, Jian Xun ZOU 2019-09-17
9903380 Fan Chi Ping Sun, Fang Li 2018-02-27