Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chenhao Dou — 4 Patents

Beijing, CN: #6,675 of 27,914 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Chenhao Dou has been granted 4 US patents while listed as an inventor at Jiaxing Uphoton Optoelectronics Technology Co.. The first was granted in 2023 and the most recent in May 2024. Chenhao Dou ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Chenhao Dou in Beijing, CN.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11988838 Diffractive optical waveguide and display device Kehan Tian 2024-05-21
11774767 Diffractive optical waveguide and display device Yuming Song, Kehan Tian 2023-10-03
11776152 Mobile apparatus obstacle detection system, mobile apparatus, and ground-sweeping robot Qingfeng Zhu, Jingli Yuan 2023-10-03
11693253 Method for designing diffraction suppression optical component, display screen and under-screen camera apparatus Zhentao FAN, Hui Feng, Kai Zhang, Hao Wu, Kehan Tian 2023-07-04