Inventor
Changlin Ma
Inventor
San Jose, CA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Cprimary
G01CMeasuring distances, levels or bearings30%
G01SRadio direction-finding20%
B60GVehicle suspension arrangements10%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for10%
B60WConjoint control of vehicle sub-units of different type or different function10%
H04BTransmission10%
H04WWireless communication networks10%
PatentTitleYear
10,739,140Iterative estimation of non-holonomic constraints in an inertial navigation system202010,309,775Altitude estimation using crowd-sourced pressure sensor data201910,171,946Assisted GNSS velocity estimation20198,086,405'Compensation for mounting misalignment of a navigation device'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011Patents assigned to HAN SHAOWEI (1)· patent assignee history
2011Patents assigned to MA CHANGLIN (1)· patent assignee history
2011Patents assigned to NIU XIAOJI (1)· patent assignee history
2011Patents assigned to SIRF TECHNOLOGY HOLDINGS INC (1)· patent assignee history
2011–2019Based in Cupertino, CA, US· patent location history
2019–2020Patents assigned to APPLE INC (3)· patent assignee history
2019–2020Based in San Jose, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLE INC | 3 | 2019–2020 |
| HAN SHAOWEI | 1 | 2011 |
| MA CHANGLINself | 1 | 2011 |
| NIU XIAOJI | 1 | 2011 |
| SIRF TECHNOLOGY HOLDINGS INC | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 2 | 2019–2020 |
| Cupertino, California, US | 2 | 2011–2019 |