ZS

Zhou Shiyong

SC Shenzhen Grandsun Electronic Co.: 2 patents #6 of 30Top 20%
Overall (2019): #100,654 of 560,194Top 20%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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