JM

Jon Grane MADSEN

GA Gn Audio A/S: 3 patents #27 of 112Top 25%
Overall (All Time): #1,368,161 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12028674 On-ear headphones with staggered perforations Jack Z. Zhao, Bill Zeng, Frank Zhang 2024-07-02
11689857 Headband and a method for producing the headband Frank Lin, Seven Huang, Alice Lin, Bill Zeng 2023-06-27
11509990 Headband for a headset and a method for assembly of a headband for a headset Frank Lin, Seven Huang, Bill Zeng, Jack Z. Zhao 2022-11-22