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Inventor

Wei Liu

Inventor
Beijing, CN

Overview

15→
Patents
2003–2020
Patent span
Physics
Primary field (CPC G)

Patents· 15 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Rprimary
G01RMeasuring electric variables42%
G01VGeophysics23%
G01NInvestigating or analysing materials by determining their chemical or physical properties13%
G06TImage data processing or generation, in general10%
E21BEarth or rock drilling6%
A61BDiagnosis3%
H01QAntennas, i.e. radio aerials3%
PatentTitleYear
10,816,690Radio frequency antenna receiving method and device for a downhole three-dimensional scanning nuclear magnetic resonance imager202010,746,825Array antenna driving method and device for three-dimensional scanning nuclear magnetic resonance imager202010,620,289Correction method and apparatus for magnetic resonance diffusion weighted imaging image202010,466,330Magnetic resonance diffusion weighted imaging method and apparatus201910,274,633Three dimensional nuclear magnetic resonance logging instrument based on multiple antenna excitation201910,262,385Method and apparatus for acquiring magnetic resonance data and entering the data into k-space201910,191,178Three-dimensional nuclear magnetic resonance logging instrument probe, logging instrument and antenna excitation method201910,151,808Multi-detecting depth nuclear magnetic resonance logging tool and probe, and antenna excitation method201810,151,852Multi-azimuth nuclear magnetic resonance logging instrument and antenna excitation method201810,114,096Multi-slice magnetic resonance data acquisition method and imaging apparatus20189,989,608Magnetic resonance imaging method and apparatus20189,824,448'Method for acquiring a magnetic field inhomogeneity value and distortion correction method for magnetic resonance imaging system'20179,588,205'Simultaneous and dynamic determination of longitudinal and transversal relaxation times of a nuclear spin system'20176,687,618'Typing picks to horizons in migration velocity analysis'20046,546,339'Velocity analysis using angle-domain common image gathers'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2004Patents assigned to 3D GEO DEV INC (2)· patent assignee history
2003–2004Based in San Jose, CA, US· patent location history
2017–2019Patents assigned to SIEMENS HEALTHCARE GMBH (4)· patent assignee history
2017–2020Based in Shenzhen, CN· patent location history
2017Based in Rockville, MD, US· patent location history
2018–2020Patents assigned to UNIV CHINA PETROLEUM BEIJING (6)· patent assignee history
2018–2020Patents assigned to SIEMENS AG (2)· patent assignee history
2018–2020Based in Beijing, CN· patent location history
2020Patents assigned to CHINA UNIV OF PETROLEUM—BEIJING (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV CHINA PETROLEUM BEIJING62018–2020
SIEMENS HEALTHCARE GMBH42017–2019
3D GEO DEV INC22003–2004
CHINA UNIV OF PETROLEUM—BEIJING22020
SIEMENS AG22018–2020
Locations
LocationPatentsSpan
Beijing, CN62018–2020
Shenzhen, CN62017–2020
San Jose, California, US22003–2004
Rockville, Maryland, US12017