Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
XL

Xiaofeng Long — 3 Patents

ACApt Electronics Co.: 1 patents #9 of 17Top 55%
Tangxia, CN: #1,276 of 5,101 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Xiaofeng Long has been granted 3 US patents while listed as an inventor at Apt Electronics Co.. The first was granted in 2022 and the most recent in December 2025. Xiaofeng Long ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Xiaofeng Long in Tangxia, CN.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12510280 Refrigerator Hung-Ping Yao, Jinglin Xu, Peng Li, Yunshan Guo, Chia-Fong Yang +4 more 2025-12-30
12480698 Refrigerator Chia-Fong Yang, Hung-Ping Yao, Yunshan Guo, Zhi Bin Li, Guoying Chen +8 more 2025-11-25
11367811 White light emitting diode and backlight module Shuguang Yao, Chuiming Wan, ChiWing Keung, Zhaoming ZENG, Guowei David Xiao 2022-06-21