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

Qingfeng Liu — 27 Patents

Samsung: 8 patents #16,180 of 75,807Top 25%
ICIflytek Co.: 5 patents #3 of 27Top 15%
ALAstec International Limited: 3 patents #69 of 295Top 25%
UKUniversity Of Kansas: 2 patents #173 of 743Top 25%
SUSichuan University: 1 patents #191 of 663Top 30%
DTDalian University Of Technology: 1 patents #429 of 1,277Top 35%
QTQingdao University Of Science And Technology: 1 patents #26 of 131Top 20%
CCChina University Of Petroleum (East China): 1 patents #254 of 736Top 35%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Qingfeng Liu has been granted 27 US patents while listed as an inventor at Samsung. The first was granted in 2016 and the most recent in November 2025. Qingfeng Liu ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Qingfeng Liu in Qingdao, CA, CN.

Patents per Year

Patents granted per year, 2016 to 2025Bar chart with a peak of 6 patents in 2025.peak 62016: 1 patents20162017: 1 patents20172018: 1 patents20182019: 5 patents20192020: 1 patents20202021: 2 patents20212022: 3 patents20222023: 3 patents20232024: 4 patents20242025: 6 patents2025

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12458596 Immunomodulatory hydrogel and preparation method thereof Huai-Dong Song, Ningning He, May Zhang, Yangyuan Wang, Jinlei Wang +3 more 2025-11-04
12435162 Preparation method for acetylated sodium hyaluronate Lei Liu, Chin-Pei Wang, Qinfang Li, Chang Heon Kang, Jingjing Sun +6 more 2025-10-07
12410271 CO2 chemical reaction viscosity-increasing type polymer surfactant for gas channeling control during CO2 flooding in offshore heavy oil reservoirs, preparation method therefor and use thereof Guang Zhao, Jia-Hung Chen, Caili Dai, Haoran Cheng, Bin Yan +5 more 2025-09-09
12347161 System and method for dual-value attention and instance boundary aware regression in computer vision system Mostafa El-Khamy 2025-07-01
12308028 Speech recognition method, apparatus and device, and storage medium Shifu Xiong, Cong Liu, Si Wei, Jianqing GAO, Jia Pan 2025-05-20
12242964 Method and apparatus for data efficient semantic segmentation Mostafa El-Khamy, Jungwon Lee, Behnam BABAGHOLAMI MOHAMADABADI 2025-03-04
12054387 Electrostatically driven comb structure of MEMS, micro-mirror using same and preparation method therefor Tao Yang, Huanhuan Li, Lei Peng, Junwei Jiang, NiNi Zhang +2 more 2024-08-06
12051237 Multi-expert adversarial regularization for robust and data-efficient deep supervised learning Behnam BABAGHOLAMI MOHAMADABADI, Mostafa El-Khamy, Jungwon Lee 2024-07-30
11951575 Automatic welding system and method for large structural parts based on hybrid robots and 3D vision Tao Yang, Huanhuan Li, Lei Peng, Junwei Jiang, Li Ma +2 more 2024-04-09
11908960 Plasmonic metal/graphene heterostructures and related methods Judy Z. Wu 2024-02-20
11847826 System and method for providing dominant scene classification by semantic segmentation Mostafa El-Khamy, Rama Mythili Vadali, Tae-ui Kim, Andrea Kang, Dongwoon Bai +3 more 2023-12-19
11687780 Method and apparatus for data efficient semantic segmentation Mostafa El-Khamy, Jungwon Lee, Behnam Babagholami Mohamadabadi 2023-06-27
11657150 Two-dimensionality detection method for industrial control system attacks Tianju Sui, Ximing SUN 2023-05-23
11532154 System and method for providing dominant scene classification by semantic segmentation Mostafa El-Khamy, Rama Mythili Vadali, Tae-ui Kim, Andrea Kang, Dongwoon Bai +3 more 2022-12-20
11461998 System and method for boundary aware semantic segmentation Mostafa El-Khamy, Dongwoon Bai, Jungwon Lee 2022-10-04
11316483 Input voltage endurance protection architecture 2022-04-26
10949701 Method, apparatus and storage medium for recognizing character Jun Du, Jianshu Zhang, Lirong Dai, Jinshui Hu, Jiajia Wu +2 more 2021-03-16
10929665 System and method for providing dominant scene classification by semantic segmentation Mostafa El-Khamy, Rama Mythili Vadali, Tae-ui Kim, Andrea Kang, Dongwoon Bai +3 more 2021-02-23
10813226 Process for improving performance of sliding rheostat of 5G communication high-frequency signal board Jiting Liu 2020-10-20
10355601 Switched-mode power supplies having burst mode operation for reduced power consumption Jun Liu, Xun Gong, Zhe Li 2019-07-16 $8,124,000
10340787 Power factor correction stage control during start-up for efficient use of a negative temperature coefficient thermistor Jun Liu, Zhaotu Fan, Zhe Li 2019-07-02 $4,217,000
10339428 Intelligent scoring method and system for text objective question Yulong Hu, Yintian Zhang, Bo Chen Zhu, Si Wei, Guoping Hu +1 more 2019-07-02
10224499 Biomolecule-carbon nanostructure nanocomposites for optoelectronic devices Judy Z. Wu, Youpin Gong 2019-03-05
10212824 Gold-plating etching process for 5G communication high-frequency signal boards Jiting Liu 2019-02-19
9991799 Switch mode power supplies including primary side clamping circuits controlled based on secondary side signals Jun Liu, Chunyu DING, Zhendong Zhang 2018-06-05 $8,384,000