Inventor
Stephen D. Gaalema
Inventor
Colorado Springs, CO, US
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Mprimary
H03MCoding11%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation11%
G01SRadio direction-finding9%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
G09GArrangements or circuits for control of indicating devices using static means to present variable information7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
Y10TTechnical subjects covered by former us classification7%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
H04NPictorial communication, e.g. television6%
H10DInorganic electric semiconductor devices6%
PatentTitleYear
10,627,495Time varying gain in an optical detector operating in a lidar system202010,557,940Lidar system202010,401,480Lidar receiver with multiple detectors for range-ambiguity mitigation201910,267,918Lidar detector having a plurality of time to digital converters integrated onto a detector chip201910,139,478Time varying gain in an optical detector operating in a lidar system20189,197,233'Low power ADC for high dynamic range integrating pixel arrays'20158,183,513'In-cell current subtraction for infrared detectors'20127,463,403'High impedance drive circuit for a micro-electromechanical system device'20087,268,607'Integrating capacitance circuitry for an integrating amplifier and related method'20077,161,518'Method and apparatus for driving two-dimensional modulator arrays'20076,682,899'Apparatus and method for detecting and identifying infectious agents'20046,649,356'Apparatus and method for detecting and identifying infectious agents'20036,649,357'Apparatus and method for detecting and identifying infectious agents'20036,458,547'Apparatus and method for detecting and identifying infectious agents'20025,923,061'CCD charge splitter'19995,708,282'CCD charge splitter'19985,694,147'Liquid crystal integrated circuit display including as arrangement for maintaining the liquid crystal at a controlled temperature'19975,614,740'High-speed peristaltic CCD imager with GaAs fet output'19975,596,200'Low dose mammography system'19975,523,864'Analog liquid crystal spatial light modulator including an internal voltage booster'19965,500,748'Liquid crystal spatial light modulator including an internal voltage booster'19965,327,138'Charge-mode analog to digital converter'19945,189,423'Charge-mold analog to digital converter'19935,061,927'Floating point analog to digital converter'19914,755,676'Infrared detector with improved heat dissipation'19884,507,674'Backside illuminated blocked impurity band infrared detector'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985Based in Carlsbad, CA, US· patent location history
1988Based in Encinitas, CA, US· patent location history
1991–1999Patents assigned to Q DOT INC (5)· patent assignee history
1991Based in Black Forest, CO, US· patent location history
1993–2012Patents assigned to GAALEMA STEPHEN D (2)· patent assignee history
1993–2020Based in Colorado Springs, CO, US· patent location history
1996–1997Patents assigned to DISPLAYTECH INC (3)· patent assignee history
2002–2004Patents assigned to PROLUME LTD (4)· patent assignee history
2008Based in Portola Valley, CO, US· patent location history
2018–2020Patents assigned to LUMINAR TECH INC (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LUMINAR TECH INC | 5 | 2018–2020 |
| Q DOT INC | 5 | 1991–1999 |
| PROLUME LTD | 4 | 2002–2004 |
| DISPLAYTECH INC | 3 | 1996–1997 |
| GAALEMA STEPHEN Dself | 2 | 1993–2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Colorado Springs, CO, US | 22 | 1993–2020 |
| Portola Valley, CO, US | 1 | 2008 |
| Black Forest, CO, US | 1 | 1991 |
| Encinitas, California, US | 1 | 1988 |
| Carlsbad, California, US | 1 | 1985 |