Inventor
P. Selvan Viswanathan
Inventor
Bellevue, WA, US
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television22%
G01SRadio direction-finding21%
G06FElectric digital data processing17%
G02BOptical elements, systems or apparatus10%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them10%
G01BMeasuring length, thickness or similar linear dimensions7%
G06TImage data processing or generation, in general7%
G06KGraphical data reading2%
G06VImage or video recognition or understanding2%
G09GArrangements or circuits for control of indicating devices using static means to present variable information2%
PatentTitleYear
11,002,855Occlusion-based height estimation202110,871,569Scanning 3D imaging device with power control using multiple wavelengths202010,859,704Time division multiplexing of multiple wavelengths for high resolution scanning time of flight 3D imaging202010,831,019Angular velocity correction of a scanning light beam by optical methods202010,761,188Transmitter/receiver disparity for occlusion-based height estimation202010,671,219Scanning time of flight 3D sensing with smart pulsing202010,503,265Mixed-mode depth detection201910,481,739Optical steering of component wavelengths of a multi-wavelength beam to enable interactivity201910,474,248Smart pulsing in regions of interest in scanned beam 3D sensing systems201910,218,951MEMS scan controlled keystone and distortion correction201910,200,683Devices and methods for providing foveated scanning laser image projection with depth mapping201910,145,680Devices and methods for providing depth mapping with scanning laser image projection201810,061,441Touch interactivity with occlusions in returned illumination data201810,009,585MEMS scan controlled keystone and distortion correction20189,921,056'Devices and methods for adjustable resolution depth mapping'20189,880,267'Hybrid data acquisition in scanned beam display'20189,766,060'Devices and methods for adjustable resolution depth mapping'20179,762,873'Dynamic constancy of brightness or size of projected content in a scanning display system'20179,596,440'Scanning laser planarity detection'20179,300,930'Multi-segment brightness compensation'20169,002,058'Scanned image projection system with gesture control input'20158,955,982'Virtual segmentation of interactive scanning laser projector display'20158,870,381'Mixed polarization imaging system for three-dimensional projection and corresponding methods'20148,730,210'Multipoint source detection in a scanned beam display'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2021Patents assigned to MICROVISION INC (24)· patent assignee history
2014–2015Patents assigned to VISWANATHAN P SELVAN (3)· patent assignee history
2014–2015Patents assigned to FREEMAN MARK O (2)· patent assignee history
2014Patents assigned to LASHMET DAVID (2)· patent assignee history
2014Patents assigned to CHAMPION MARK (1)· patent assignee history
2014–2015Based in Redmond, WA, US· patent location history
2015–2020Based in Bellevue, WA, US· patent location history
2021Based in Belleuve, WA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MICROVISION INC | 24 | 2014–2021 |
| VISWANATHAN P SELVANself | 3 | 2014–2015 |
| FREEMAN MARK O | 2 | 2014–2015 |
| LASHMET DAVID | 2 | 2014 |
| CHAMPION MARK | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bellevue, Washington, US | 20 | 2015–2020 |
| Redmond, Washington, US | 3 | 2014–2015 |
| Belleuve, Washington, US | 1 | 2021 |