HN

Haruhiko Nishizawa

AC Asia Optical Co.: 1 patents #6 of 27Top 25%
SC Sintai Optical (Shenzhen) Co.: 1 patents #6 of 27Top 25%
Overall (2021): #439,466 of 548,734Top 85%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D912643 Headphone Yasuhiko Nakayama, Tomoya Takahashi, Takayuki Karasawa, Xian-Bang Xie, Gui-Feng Li 2021-03-09