Inventor
HUDMAN JOSHUA MARK
US46 patents
⚠️ This page may combine multiple inventors who share the name “HUDMAN JOSHUA MARK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VALVE CORP
41 patentsUS11320692B2May 3, 2022
Spatially varying polarizer for display backlight
VALVE CORP6 citations86
US12013541B2Jun 18, 2024
Polarization-multiplexed optics for head-mounted display systems
VALVE CORP2 citations73
US11740464B2Aug 29, 2023
Polarization-multiplexed optics for head-mounted display systems
VALVE CORP3 citations73
US11695912B2Jul 4, 2023
Correction polarization compensation optic for display systems
VALVE CORP2 citations73
US11487120B2Nov 1, 2022
Polarization compensation for wire grid polarizer of head-mounted display system
VALVE CORP2 citations73
US11391906B2Jul 19, 2022
Optical system for head-mounted display device
VALVE CORP4 citations73
US10921881B2Feb 16, 2021
Position tracking system for head-mounted displays that includes sensor integrated circuits
VALVE CORP2 citations73
US10778963B2Sep 15, 2020
Head-mounted display (HMD) with spatially-varying retarder optics
VALVE CORP2 citations73
US11093208B2Aug 17, 2021
Using detected pupil location to align optical components of a head-mounted display
VALVE CORP2 citations72
US11467660B2Oct 11, 2022
Position tracking system for head-mounted display systems
VALVE CORP2 citations71
US10764558B2Sep 1, 2020
Reduced bandwidth stereo distortion correction for fisheye lenses of head-mounted displays
VALVE CORP3 citations71
US12523799B1Jan 13, 2026
Self-aligned lens assembly for head-mounted displays
VALVE CORP0 citations62
US12422675B2Sep 23, 2025
Head-mounted display with narrow angle backlight
VALVE CORP0 citations62
US12047551B2Jul 23, 2024
Correction polarization compensation optic for display systems
VALVE CORP0 citations62
US11815684B2Nov 14, 2023
Spatially and time varying polarization correction optic for scan beam systems
VALVE CORP1 citations62
US11747525B1Sep 5, 2023
Self-aligned lens assembly for head-mounted displays
VALVE CORP0 citations62
US11747656B2Sep 5, 2023
Variable optical correction using spatially varying polarizers
VALVE CORP0 citations62
US11662621B2May 30, 2023
Spatially varying polarizer for display backlight
VALVE CORP0 citations62
US11526036B2Dec 13, 2022
Variable optical correction using spatially varying polarizers
VALVE CORP0 citations62
US11500607B2Nov 15, 2022
Using detected pupil location to align optical components of a head-mounted display
VALVE CORP1 citations62
US11467444B2Oct 11, 2022
Micro-lens array polarization recycling optic for illumination optics
VALVE CORP1 citations62
US11314323B2Apr 26, 2022
Position tracking system for head-mounted displays that includes sensor integrated circuits
VALVE CORP0 citations62
US11086129B2Aug 10, 2021
Head-mounted display with narrow angle backlight
VALVE CORP1 citations62
US10996463B2May 4, 2021
Head-mounted display (HMD) with spatially-varying retarder optics
VALVE CORP0 citations62
US10890694B2Jan 12, 2021
Optical system for head-mounted display system
VALVE CORP1 citations62
US12321514B2Jun 3, 2025
Optical tracking including imaging-based angle sensitive detectors
VALVE CORP0 citations61
US12259547B2Mar 25, 2025
Position tracking systems and methods for head-mounted display systems
VALVE CORP0 citations61
US12135834B2Nov 5, 2024
Position tracking system for head-mounted display systems
VALVE CORP0 citations61
US11933976B2Mar 19, 2024
Position tracking systems and methods for head-mounted display systems
VALVE CORP0 citations61
US11847257B2Dec 19, 2023
Position tracking system for head-mounted display systems
VALVE CORP0 citations61
US11703946B2Jul 18, 2023
Position tracking system for head-mounted display systems
VALVE CORP0 citations61
US11561578B2Jan 24, 2023
Adjustable head-mounted display
VALVE CORP1 citations61
US12044846B2Jul 23, 2024
Position tracking systems and methods for head-mounted display systems
VALVE CORP0 citations60
US12292592B2May 6, 2025
Head-mounted display devices with non-rectangular backlight
VALVE CORP0 citations56
US11846798B2Dec 19, 2023
Head-mounted display devices with non-rectangular backlight
VALVE CORP0 citations56
US12058427B2Aug 6, 2024
Camera device employing spatially varying polarizers
VALVE CORP0 citations52
US11841507B2Dec 12, 2023
Viewing field-based optical correction using spatially varying polarizers
VALVE CORP0 citations52
US12566322B2Mar 3, 2026
Compact optics for head-mounted display systems
VALVE CORP0 citations50
US11733446B2Aug 22, 2023
Polarization-based multiplexing of diffractive elements for illumination optics
VALVE CORP0 citations50
US12197074B2Jan 14, 2025
Display backlight with light expander structures
VALVE CORP0 citations47
US12315484B2May 27, 2025
Active reduction of fan noise in a head-mounted display
VALVE CORP0 citations41
MICROSOFT TECHNOLOGY LICENSING LLC
3 patentsUS9891309B2Feb 13, 2018
Illumination light projection for a depth camera
MICROSOFT TECHNOLOGY LICENSING LLC14 citations84
US9805454B2Oct 31, 2017
Wide field-of-view depth imaging
MICROSOFT TECHNOLOGY LICENSING LLC7 citations84
US10178374B2Jan 8, 2019
Depth imaging of a surrounding environment
MICROSOFT TECHNOLOGY LICENSING LLC3 citations72