Inventor
Alexander K. Sang
Inventor
Blacksburg, VA, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions25%
G01DMeasuring not specially adapted for a specific variable20%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure20%
G02BOptical elements, systems or apparatus15%
G01MTesting static or dynamic balance of machines or structures13%
G01KMeasuring temperature5%
A61BDiagnosis3%
PatentTitleYear
10,983,268Redundant core in multicore optical fiber for safety202110,976,155Micro optic assemblies and optical interrogation systems202110,823,627Shape sensing with multi-core fiber sensor202010,775,157Methods and apparatus for calibration for a fiber optic shape sensor202010,545,283Redundant core in multicore optical fiber for safety202010,245,115Fiber optic sensing of tool strain or tool angle201910,132,614Dissimilar cores in multicore optical fiber for strain and temperature separation201810,054,420Method and apparatus for motion compensation in interferometric sensing systems using a non-linear compensating signal20189,841,269'Method and apparatus for compensating for a time-varying disturbance in interferometric sensing systems'20179,797,795'Distributed pressure measurement by embedded fiber optic strain sensor'20178,400,620'Registration of an extended reference for parameter measurement in an optical sensing system'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013Patents assigned to BOS JOSEPH J (1)· patent assignee history
2013Patents assigned to FROGGATT MARK E (1)· patent assignee history
2013Patents assigned to GIFFORD DAWN K (1)· patent assignee history
2013Patents assigned to KLEIN JUSTIN W (1)· patent assignee history
2013–2018Based in Christiansburg, VA, US· patent location history
2017–2021Patents assigned to INTUITIVE SURGICAL OPERATIONS (10)· patent assignee history
2018–2021Based in Blacksburg, VA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INTUITIVE SURGICAL OPERATIONS | 10 | 2017–2021 |
| BOS JOSEPH J | 1 | 2013 |
| FROGGATT MARK E | 1 | 2013 |
| GIFFORD DAWN K | 1 | 2013 |
| KLEIN JUSTIN W | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Blacksburg, Virginia, US | 7 | 2018–2021 |
| Christiansburg, Virginia, US | 4 | 2013–2018 |