Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Weichen Liu — 19 Patents

ACApex Microelectronics Co.: 8 patents #1 of 25Top 4%
GMGeehy Microelectronics: 4 patents #1 of 5Top 20%
AIAmerican Jereh International: 2 patents #12 of 26Top 50%
YCYantai Jereh Petroleum Equipment & Technologies Co.: 2 patents #68 of 140Top 50%
ZCZhuhai Ninestar Management Co.: 2 patents #12 of 43Top 30%
Zhuhai, CN: #14 of 854 inventorsTop 2%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
Weichen Liu has been granted 19 US patents while listed as an inventor at Apex Microelectronics Co.. The first was granted in 2015 and the most recent in December 2025. Weichen Liu ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Weichen Liu in Zhuhai, CN.

Patents per Year

Patents granted per year, 2015 to 2024Bar chart with a peak of 5 patents in 2024.peak 52015: 1 patents20152016: 1 patents20162017: 4 patents20172018: 2 patents20182020: 2 patents20202022: 1 patents20222023: 2 patents20232024: 5 patents2024

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12501576 Head-mounted device and heat dissipation method therefor, and computer-readable storage medium Tao Qiu, Xiaojuan Zhang, Tiansong Wang 2025-12-16
12152575 Hydraulic end assembly structure of a plunger pump Baoguo Jian, Haiping Cui, Wenping Cui 2024-11-26
12085073 Valve spring fixing device and plunger pump Wenjie Deng, Baoguo Jian, Peng Li, Jixin Wang, Xiaosong Wei +4 more 2024-09-10
12050822 Access request response method, consumable chip, and storage medium Liang Chen 2024-07-30
11914309 Toner cartridge — 2024-02-27
11890874 Nozzle ink cartridge, circuit substrate, and nozzle ink cartridge assembly — 2024-02-06
11698063 Hydraulic end assembly structure of a plunger pump Baoguo Jian, Haiping Cui, Wenping Cui 2023-07-11
11607889 Remanufactured ink cartridge and electronic patch Tao Gao, Fengjun Song 2023-03-21
11519405 Valve spring seat sleeve, valve assembly and plunger pump Wenjie Deng, Baoguo Jian, Haiping Cui, Peng Li, Jixin Wang 2022-12-06
10682860 Ink cartridge, ink cartridge chip, and short-circuit detection method of chip Zuo Wang 2020-06-16
10585633 Method for recording chip usage state information, chip of imaging cartridge and imaging cartridge — 2020-03-10
10162582 Method for recording chip usage state information, chip of imaging cartridge and imaging cartridge — 2018-12-25
10155393 Ink cartridge, ink cartridge chip, and short-circuit detection method of chip Zuo Wang 2018-12-18
9796187 Method for controlling light emission of ink cartridge, and ink cartridge Lei Qin, Zhizheng Jia, Yuedan Liang 2017-10-24
9753680 Method for recording chip usage state information, chip of imaging cartridge and imaging cartridge — 2017-09-05
9724928 Method, system and memory chip for generating checkout value — 2017-08-08
9688075 Ink cartridge, ink cartridge chip, and short-circuit detection method of chip Zuo Wang 2017-06-27
9446598 Method and apparatus for controlling light emission of ink cartridge Lei Qin, Zhizheng Jia, Yuedan Liang 2016-09-20
9108419 Method for controlling ink cartridge chip, ink cartridge chip and ink cartridge Hao Chen 2015-08-18

Frequent Collaborators

Baoguo Jian4 shared
Wenping Cui3 shared
Haiping Cui3 shared
Zuo Wang3 shared
Yuedan Liang2 shared
Jixin Wang2 shared

Nearby-Ranked Inventors

Vlastimil Kunc19
Nikolaj Maj Bentsen19
Vladimir Zhukov19
Remi Geraud19
Stephen Kaes19
Adeeti V. Ullal19
Ichiro Hayashi19
Kazuhiko Ueno19
Lei S. Qi19