Inventor
LIYUAN LIU
Inventor
CN
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C23Cprimary
C23CCoating metallic material7%
G01SRadio direction-finding7%
G05DSystems for controlling or regulating non-electric variables7%
G06FElectric digital data processing7%
H01LSemiconductor devices7%
H10KOrganic electric solid-state devices7%
B23KSoldering or unsoldering4%
B64CAeroplanes4%
B64DEquipment for fitting in or to aircraft4%
B64UUnmanned aerial vehicles [uav]4%
PatentTitleYear
12,491,584Corrosion-resistant Sn--Ag--Cu series lead-free solder alloy202512,423,025Shuffle-based request buffer for managing large request volumes202511,934,206Gimbal control method and device202411,817,344Method for manufacturing shallow trench isolations202311,720,119Path planning method of mobile robots based on image processing202311,711,963Display panel, mask, method for manufacturing display panel, and display device202311,622,327Adaptive reception of cell broadcast service202311,508,948Display panel, mask, method for manufacturing display panel, and display device202211,327,165Distance measurement and tracking positioning apparatus and method for mobile device202211,315,455Display panel, method for detecting stress-detection-miss thereof, and display device202211,221,412Eye-safe laser triangulation measurement system2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2023Patents assigned to WUHAN TIANMA MICRO ELECTRONICS CO LTD (2)· patent assignee history
2022–2023Patents assigned to WUHAN TIANMA MICROELECTRONICS CO LTD SHANGHAI BRANCH (2)· patent assignee history
2022Patents assigned to ANHUI COWAROBOT CO LTD (1)· patent assignee history
2022Patents assigned to COWA ROBOTIC CO LTD (1)· patent assignee history
2022–2025Based in CN· patent location history
2025Patents assigned to AMAZON TECH INC (1)· patent assignee history
2025Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WUHAN TIANMA MICRO ELECTRONICS CO LTD | 2 | 2022–2023 |
| WUHAN TIANMA MICROELECTRONICS CO LTD SHANGHAI BRANCH | 2 | 2022–2023 |
| AMAZON TECH INC | 1 | 2025 |
| ANHUI COWAROBOT CO LTD | 1 | 2022 |
| COWA ROBOTIC CO LTD | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 10 | 2022–2025 |
| US | 1 | 2025 |