TN

Tsutomu Nagumo

SO Sony: 1 patents #1,329 of 3,148Top 45%
Overall (2021): #224,891 of 548,734Top 45%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10993037 Acoustic converter and sound output device Takehiro Miyagawa 2021-04-27