SR

Shi Ruiwen

SC Shenzhen Grandsun Electronic Co.: 3 patents #7 of 36Top 20%
Overall (2020): #69,252 of 565,922Top 15%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D893457 Audio input/output device SHAO-TSUNG WEI, Wu Haiquan, Yang Yang, Lu Zhanming, Zhang Enqin +1 more 2020-08-18
D875709 Earphone Xin Yuanfa, Wu Haiquan, Yu Xin 2020-02-18
D873248 Pair of earphones Zhong Weicheng, Wu Haiquan, Tang Zhonghui, Peng Jiugao 2020-01-21