Inventor
KELLER SEAN D
US63 patents
Patents
50 patentsUS11333879B2May 17, 2022
Electronically steered inter-satellite optical communication system with micro-electromechanical (MEM) micromirror array (MMA)
RAYTHEON CO19 citations94
US11042025B2Jun 22, 2021
Optical data communication using micro-electro-mechanical system (MEMS) micro-mirror arrays
RAYTHEON CO22 citations94
US10267915B2Apr 23, 2019
Optical system for object detection and location
RAYTHEON CO21 citations94
US10243654B1Mar 26, 2019
Electronically steered inter-satellite optical communication system and methods
RAYTHEON CO26 citations94
US10209439B2Feb 19, 2019
Multi-directional optical receiver and method
RAYTHEON CO20 citations94
US10148056B2Dec 4, 2018
Ring amplifier for extended range steerable laser transmitter and active sensor
RAYTHEON CO23 citations94
US9927515B2Mar 27, 2018
Liquid crystal waveguide steered active situational awareness sensor
RAYTHEON CO20 citations94
US9904081B2Feb 27, 2018
LCWG steered laser transmitter and situational awareness sensor with wavelength conversion
RAYTHEON CO21 citations94
US9477135B1Oct 25, 2016
Non-mechanically steered high-power laser transmitter
RAYTHEON CO38 citations94
US10686523B1Jun 16, 2020
Co-boresighted optical and RF phased array and photonic integrated circuit
RAYTHEON CO30 citations93
US9473768B2Oct 18, 2016
Optical non-uniformity correction (NUC) for active mode imaging sensors
RAYTHEON CO26 citations90
US10866487B1Dec 15, 2020
Monolithically integrated wavelength converted photonic integrated circuit (PIC) and hybrid fabrication thereof
RAYTHEON CO9 citations83
US9946259B2Apr 17, 2018
Negative obstacle detector
RAYTHEON CO13 citations83
US12253627B2Mar 18, 2025
Quick-mount laser warning receiver
RAYTHEON CO2 citations75
US12025790B2Jul 2, 2024
Micro-electro-mechanical system (MEMS) micro-mirror array (MMA) and off-axis parabola (OAP) steered active situational awareness sensor
RAYTHEON CO4 citations75
US12117607B2Oct 15, 2024
Micro-electro-mechanical system (MEMS) micro-mirror array steered laser transmitter and situational awareness sensor with wavelength conversion
RAYTHEON CO2 citations73
US11837840B2Dec 5, 2023
MEMS micro-mirror array laser beam steerer for simultaneous illumination of multiple tracked targets
RAYTHEON CO2 citations73
US11815676B2Nov 14, 2023
Active pushbroom imaging system using a micro-electro-mechanical system (MEMS) micro-mirror array (MMA)
RAYTHEON CO2 citations73
US11664905B2May 30, 2023
Optically-steered RF imaging receiver using photonic spatial beam processing
RAYTHEON CO3 citations73
US11650412B2May 16, 2023
Optical non-uniformity correction (NUC) for active mode imaging sensors using micro-electro-mechanical system (MEMS) micro-mirror arrays (MMAs)
RAYTHEON CO3 citations73
US11477350B2Oct 18, 2022
Active imaging using a micro-electro-mechanical system (MEMS) micro-mirror array (MMA)
RAYTHEON CO2 citations73
US10382701B2Aug 13, 2019
Active imaging systems and method
RAYTHEON CO3 citations73
US10321037B2Jun 11, 2019
Active pushbroom scanning system and method
RAYTHEON CO6 citations73
US11536543B2Dec 27, 2022
Directed energy (DE) weapon and passive millimeter wave (PmmW) imager for target tracking
RAYTHEON CO2 citations72
US11333557B2May 17, 2022
Optically powered cryogenic focal plane array (FPA) with an optical data link
RAYTHEON CO5 citations72
US11283169B2Mar 22, 2022
Steerable RF imaging receiver using photonic spatial beam processing with improved resolution
RAYTHEON CO3 citations72
US11212010B2Dec 28, 2021
Optically-steered RF imaging receiver using photonic spatial beam processing
RAYTHEON CO6 citations72
US11127150B2Sep 21, 2021
Multiple target tracker and micro-electro-mechanical system (MEMS) micro-mirror array for designation, range finding, and active imaging
RAYTHEON CO3 citations72
US10062175B2Aug 28, 2018
Multiple target tracker and liquid crystal waveguide (LCWG) beam steerer for designation, range finding and active imaging
RAYTHEON CO5 citations72
US9791554B2Oct 17, 2017
Multiple-beam triangulation-based range finder and method
RAYTHEON CO2 citations71
US11644542B2May 9, 2023
Optical sensor with MEMS MMA steered transmitter and staring detector
RAYTHEON CO2 citations70
US11550146B2Jan 10, 2023
Small angle optical beam steering using micro-electro-mechanical system (MEMS) micro-mirror arrays (MMAS)
RAYTHEON CO3 citations70
US12372658B2Jul 29, 2025
Negative obstacle detector using micro-electro-mechanical system (MEMS) micro-mirror array (MMA) beam steering
RAYTHEON CO1 citations64
US11686820B2Jun 27, 2023
Optical sensor with ring-shaped Tx/Rx aperture sharing element (ASE)
RAYTHEON CO1 citations63
US12360358B2Jul 15, 2025
Micro-electro-mechanical system (MEMS) micro-mirror array (MMA) steered high-power laser transmitter
RAYTHEON CO0 citations62
US12066574B2Aug 20, 2024
Optical system for object detection and location using a Micro-Electro-Mechanical System (MEMS) Micro-Mirror Array (MMA) beamsteering device
RAYTHEON CO1 citations62
US11901646B2Feb 13, 2024
Sensor for degraded visual environment
RAYTHEON CO0 citations62
US11495883B2Nov 8, 2022
Sensor for degraded visual environment
RAYTHEON CO0 citations62
US11921284B2Mar 5, 2024
Optical zoom system using an adjustable reflective fresnel lens implemented with a micro-electro-mechanical system (MEMs) micro-mirror array (MMA)
RAYTHEON CO0 citations61
US11183770B2Nov 23, 2021
Dual polarization RF antenna feed module and photonic integrated circuit (PIC)
RAYTHEON CO1 citations61
US10365067B2Jul 30, 2019
System for aligning target sensor and weapon
RAYTHEON CO1 citations61
US11835709B2Dec 5, 2023
Optical sensor with micro-electro-mechanical system (MEMS) micro-mirror array (MMA) steering of the optical transmit beam
RAYTHEON CO1 citations59
US11747445B2Sep 5, 2023
Warning receiver for detecting and characterizing an optical source
RAYTHEON CO1 citations59
US12130384B2Oct 29, 2024
Multiple field-of-view (FOV) optical sensor using a micro-electro-mechanical system (MEMS) micro- mirror array (MMA)
RAYTHEON CO0 citations56
US12541098B2Feb 3, 2026
Amplified laser device using a MEMS MMA having tip, tilt and piston capability to both correct a beam profile and steer the amplified beam
RAYTHEON CO0 citations52
US12456379B2Oct 28, 2025
Quick-mount warning receiver
RAYTHEON CO0 citations52
US12372623B2Jul 29, 2025
Conic micro-electro-mechanical system (MEMS) micro-mirror array (MMA) steered active situational awareness sensor
RAYTHEON CO0 citations52
US11539131B2Dec 27, 2022
Optical true time delay (TTD) device using microelectrical-mechanical system (MEMS) micromirror arrays (MMAS) that exhibit tip/tilt/piston (TTP) actuation
RAYTHEON CO0 citations52
US11522331B2Dec 6, 2022
Coherent optical beam combination using micro-electro-mechanical system (MEMS) micro-mirror arrays (MMAs) that exhibit tip/tilt/piston (TTP) actuation
RAYTHEON CO0 citations52
US9964746B2May 8, 2018
Passive micromirror device for non-imaging wide field of view
RAYTHEON CO0 citations52
Showing the top 50 of 63 patents by PatentIndex Score.