Inventor
Han-Sun Choi
Inventor
Houston, TX, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Vprimary
G01VGeophysics23%
G01DMeasuring not specially adapted for a specific variable15%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves12%
E21BEarth or rock drilling8%
G01BMeasuring length, thickness or similar linear dimensions8%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light4%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure4%
G01MTesting static or dynamic balance of machines or structures4%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock4%
G01RMeasuring electric variables4%
PatentTitleYear
10,871,592Optical frequency comb source for fiber sensor interferometer arrays202010,241,229Distributed feedback fiber laser strain sensor systems and methods for subsurface EM field monitoring201910,234,311Modifying optical signals output by a wavelength division demultiplexer to detect subterranean physical properties20199,952,346Fiber optic magnetic field sensing system based on lorentz force method for downhole applications20189,909,951'Apparatus and method for characterization of FBG rellector array'20189,864,095'Multiplexed microvolt sensor systems'20189,366,691'Multiplexed fiber optic sensing system and method'20167,564,562'Method for demodulating signals from a dispersive white light interferometric sensor and its application to remote optical sensing'20096,591,025'Optical sensing system'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003Patents assigned to INPUT OUTPUT INC (1)· patent assignee history
2003–2020Based in Houston, TX, US· patent location history
2009Patents assigned to ZIEBEL US INC (1)· patent assignee history
2016–2020Patents assigned to HALLIBURTON ENERGY SERVICES INC (7)· patent assignee history
2019Patents assigned to HALLIBURTON ENERGY SERVICES INC “HESI” (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERVICES INC | 7 | 2016–2020 |
| HALLIBURTON ENERGY SERVICES INC “HESI” | 1 | 2019 |
| INPUT OUTPUT INC | 1 | 2003 |
| ZIEBEL US INC | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 9 | 2003–2020 |