GL

Gui-Feng Li

AC Asia Optical Co.: 7 patents #38 of 366Top 15%
SC Sintai Optical (Shenzhen) Co.: 6 patents #14 of 159Top 9%
Overall (All Time): #688,183 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D1092596 Photographing device 2025-09-09
D924958 Camera 2021-07-13
D912643 Headphone Yasuhiko Nakayama, Tomoya Takahashi, Takayuki Karasawa, Haruhiko Nishizawa, Xian-Bang Xie 2021-03-09
D876634 Blood pressure measuring apparatus Chikashi Tsuchiya 2020-02-25
D872160 Camcorder 2020-01-07
D849113 Lens 2019-05-21
D713870 Lens 2014-09-23