Inventor
YAJUN LIU
Inventor
CN
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E02Dprimary
E02DFoundations13%
E21DShafts13%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels13%
B63GOffensive or defensive arrangements on vessels7%
E21BEarth or rock drilling7%
G01MTesting static or dynamic balance of machines or structures7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
G01VGeophysics7%
H03KPulse technique7%
LOC027%
PatentTitleYear
12,401,354Reference noise cancellation device and reference noise cancellation method for transient electromagnetic field2025D1074335Lawn aerator2025D1039241Blanket hoodie202411,976,558Mechanical tunneling apparatus and process for tunnel in quicksand stratum202411,959,890Experimental apparatus and experimental method for researching characteristics of subsea tunnel at bottom of seabed under wave202411,933,178Method for filling deformable karst cave202411,933,176Fabricated ocean tunnel structure with escape device and application method thereof2024Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2024Patents assigned to UNIV SHANDONG (4)· patent assignee history
2024Patents assigned to LIU YAJUN (1)· patent assignee history
2024–2025Based in CN· patent location history
2025Patents assigned to UNIV CHINA GEOSCIENCES WUHAN (1)· patent assignee history
2025Patents assigned to WINYIN INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV SHANDONG | 4 | 2024 |
| LIU YAJUNself | 1 | 2024 |
| UNIV CHINA GEOSCIENCES WUHAN | 1 | 2025 |
| WINYIN INC | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 7 | 2024–2025 |