Qingfeng Yu — 14 Patents at Amazon

Qingfeng Yu has been granted 14 US patents while listed as an inventor at Amazon. The first was granted in 2013 and the most recent in December 2025. Qingfeng Yu ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Qingfeng Yu in Shandong, MA, CN.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12511007	Method, apparatus, device, readable storage medium and product for displaying target content	—	2025-12-30
11850618	Nozzle assembly, ejecting device and ejecting method	Yushuai GE, Fengwen Liu, Shiqi Li, Mingming YU	2023-12-26
D948630	Toy	—	2022-04-12
D944332	Toy	—	2022-02-22
D924980	Unicorn shaped game board	—	2021-07-13
D924336	Game board	—	2021-07-06
9626577	Image selection and recognition processing from a video feed	Yue Liu	2017-04-18	$55,033,000
9617808	Continuous oil pipe clamp mechanism	Dong Liu, Jilei Fang	2017-04-11
9576210	Sharpness-based frame selection for OCR	Yue Liu, Xing Liu, Pradeep Natarajan	2017-02-21	$38,773,000
9493997	Floating clamping device for injection head of continuous oil pipe	Dong Liu, Jilei Fang	2016-11-15
9418316	Sharpness-based frame selection for OCR	Yue Liu, Xing Liu, Pradeep Natarajan	2016-08-16	$78,016,000
9367736	Text detection using features associated with neighboring glyph pairs	Thibaud Senechal, Quan Wang, Daniel Makoto Willenson, Shuang Wu, Yue Liu +2 more	2016-06-14	$68,486,000
8572233	Method and system for site path evaluation using web session clustering	Choudur Lakshminarayan, Alan Benson	2013-10-29	$13,453,000
8396737	Website analysis combining quantitative and qualitative data	Choudur Lakshminarayan, Alan Benson	2013-03-12	$14,145,000

Qingfeng Yu — 14 Patents

Issued Patents All Time

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