HW

Haiquan Wu

SC Shenzhen Grandsun Electronic Co.: 1 patents #1 of 4Top 25%
Overall (2016): #385,462 of 481,213Top 85%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9497533 Fine tuning structure for headphones and headphone Ruiwen Shi, Jiugao Peng, Xin Yu 2016-11-15