ZS

Zhou Shiyong

SC Shenzhen Grandsun Electronic Co.: 3 patents #18 of 75Top 25%
Overall (All Time): #1,427,857 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D909965 Portable charger Wu Haiquan, Yoshinari Okamoto, Shi Ruiwen 2021-02-09
D869434 Sport earphone Sheng Biao, Wu Haiquan, Yoshinari Okamoto, Peng Jiugao, Shi Ruiwen 2019-12-10
D869436 Headphone Mei Fubing, Wu Haiquan, Yoshinari Okamoto, Peng Jiugao, Shi Ruiwen 2019-12-10