LiDAR Patents

LiDAR patents span rotating mechanical LiDAR with pulsed time-of-flight ToF; solid-state MEMS-mirror scanning; FMCW frequency-modulated continuous-wave coherent detection; flash LiDAR with no moving parts; and OPA optical phased array beam steering — with IP concentrated in a set of well-funded LiDAR startups; automotive tier-1 suppliers; and defense companies: MAJOR LIDAR PATENT HOLDERS: VELODYNE LIDAR (OUSTER MERGER 2022): 300+; specific rotating LiDAR (specific specific HDL-64E: specific specific 64-beam vertical array from specific specific 64 fiber-coupled 905nm VCSEL laser + specific specific APD avalanche photodiode receiver rotating at specific specific 10-20Hz for specific specific 360° horizontal FOV + specific specific 26.8° vertical FOV at specific specific 120m range 2cm accuracy for specific specific autonomous vehicle perception; specific specific puck VLP-16: specific specific 16-beam compact rotating for specific specific robotics+mapping); HESAI TECHNOLOGY: 300+; specific automotive solid-state hybrid (specific specific AT128: specific specific 128-channel MEMS-mirror hybrid from specific specific 905nm VCSEL + specific specific MEMS mirror for specific specific 120°×25.4° FOV at specific specific 200m range for specific specific ISO 26262 ASIL-B automotive grade for specific specific L3 ADAS OEM production integration); LUMINAR TECHNOLOGIES: 300+; specific FMCW 1550nm LiDAR (specific specific Iris+ Halo: specific specific 1550nm fiber laser from specific specific EDFA erbium-doped fiber amplifier + specific specific coherent FMCW detection for specific specific simultaneous range+Doppler velocity measurement in specific specific single return for specific specific pedestrian/cyclist velocity estimation for specific specific ADAS at specific specific 250m long-range highway AEB + specific specific solar immune vs. specific specific 905nm for specific specific automotive OEM Volvo+Mercedes integration); INNOVIZ TECHNOLOGIES: 200+; specific solid-state MEMS LiDAR (specific specific InnovizTwo: specific specific MEMS micromirror resonant scan + specific specific 905nm VCSEL+SiPM silicon photomultiplier for specific specific 25°×15° FOV 250m range for specific specific BMW production integration ASIL-D); WAYMO (ALPHABET): 500+; specific autonomous vehicle LiDAR (specific specific spinning LiDAR + specific specific mid-range + specific specific short-range L-shaped surround coverage from specific specific custom ASIC signal processing for specific specific 360° perception at specific specific Waymo One commercial deployment); AURORA INNOVATION; AEYE; CEPTON (KOITO ACQUISITION); OUSTER (VELODYNE MERGER): 200+ each.

FMCW coherent LiDAR detecting simultaneous range and Doppler velocity from a single return; OPA optical phased array beam steering with no mechanical parts; and photonic integrated circuit PIC-based LiDAR enabling chip-scale manufacturing represent three technically differentiated and actively patent-developing LiDAR innovation domains: FMCW LIDAR PATENTS: LUMINAR; AURORA (LIDAR DIVISION); AEVA; BARAJA; INTEL MOBILEYE; SILC TECHNOLOGIES; BRIDGER PHOTONICS: specific FMCW LiDAR (specific specific FMCW range+velocity: specific specific linear frequency sweep from specific specific tunable laser source DFB or specific specific VCSEL with specific specific external modulator for specific specific LFM linear frequency modulated waveform for specific specific heterodyne detection at specific specific balanced photodetector for specific specific both range from specific specific beat frequency Δf = 2r·(df/dt)/c for specific specific range r + specific specific Doppler velocity from specific specific frequency offset ±2v·f/c in specific specific same return without specific specific additional measurement for specific specific 200m+ range at specific specific ±400 km/h velocity detection; specific specific 1550nm solar immunity: specific specific atmospheric 1550nm window for specific specific 1000× less solar background vs. specific specific 905nm for specific specific automotive outdoor direct sunlight operation without specific specific false alarm from specific specific solar interference; specific specific interference immunity: specific specific FMCW matched filter for specific specific other LiDAR pulse rejection for specific specific multi-vehicle operation without specific specific cross-talk); OPA LIDAR PATENTS: INTEL MOBILEYE (OPA LIDAR); QUANERGY (ACQUIRED BANKRUPTCY 2023); STROBE (GM); MIT; STANFORD; SILC TECHNOLOGIES; VIXAR: specific OPA LiDAR (specific specific OPA silicon waveguide: specific specific silicon photonics waveguide phase-shifter array from specific specific thermal or specific specific plasma dispersion tuning for specific specific beam steering from specific specific constructive interference far-field emission direction selection for specific specific no mechanical parts for specific specific solid-state LiDAR at specific specific 2D beam steering with specific specific N phase elements for specific specific N^2 point resolution in specific specific far field; specific specific grating coupler: specific specific 2D grating coupler out-coupler array from specific specific silicon photonics for specific specific vertical out-coupling of specific specific guided mode to specific specific free space for specific specific 2D beam emission area; specific specific liquid crystal OPA: specific specific LC phase modulator array from specific specific liquid crystal cell for specific specific large-aperture OPA for specific specific low-power phase tuning at specific specific 1kHz bandwidth); PHOTONIC IC LIDAR PATENTS: AURORA; ANALOG PHOTONICS; AEVA; INTEL MOBILEYE; BRIDGER: specific PIC LiDAR (specific specific FMCW PIC: specific specific silicon photonics InP or specific specific Si-N waveguide circuit for specific specific chip-scale laser+modulator+splitter+circulator+balanced photodetector integration for specific specific palm-size FMCW LiDAR from specific specific CMOS foundry fabrication for specific specific <$100 cost at specific specific mass production vs. specific specific discrete fiber EDFA system for specific specific standard 905nm pulsed LiDAR automotive cost parity).

Flash LiDAR with no moving parts using a single high-power laser pulse illuminating the entire scene simultaneously; automotive LiDAR ASIC for integrated timing receiver circuitry; and LiDAR point cloud signal processing algorithms for automotive perception represent three additional LiDAR patent domains: FLASH LIDAR PATENTS: AEYE; CONTINENTAL; PRINCETON LIGHTWAVE (ARGO AI); CONTINENTAL-ADVANCED LIDAR; XENOMATIX: specific flash LiDAR (specific specific iDAR intelligent detection and ranging: specific specific Aeye MEMS scanner + specific specific flash illumination hybrid from specific specific agile beam + specific specific flash overlay for specific specific software-defined perception priority region + specific specific 360° flash sweep for specific specific adaptive sampling of specific specific ROI region of interest at specific specific higher density; specific specific Geiger-mode APD flash: specific specific Princeton Lightwave 32×32 Gm-APD SPAD single-photon avalanche diode array for specific specific photon-counting 3D flash LiDAR at specific specific low background counts for specific specific long-range 300m+ at specific specific high sensitivity without specific specific range-gate time-gating requirement; specific specific flash VCSEL: specific specific 905nm broad-area VCSEL flash for specific specific full-scene illumination in specific specific single 100ns pulse for specific specific 2D SPAD array for specific specific no moving parts fully solid-state 3D image at specific specific frame rate 30fps); AUTOMOTIVE LIDAR ASIC PATENTS: HESAI; INNOVIZ; LUMINAR; AMS-OSRAM; MELEXIS: specific automotive LiDAR ASIC (specific specific TDC time-to-digital converter: specific specific automotive grade TDC at specific specific 10-25ps resolution for specific specific range accuracy <3cm from specific specific ToF measurement in specific specific ASIC for specific specific 100 channel simultaneous receive at specific specific ISO 26262 ASIL-B/D for specific specific vehicle integration; specific specific SiPM ASIC: specific specific silicon photomultiplier SiPM + specific specific TDC+ADC ASIC co-design for specific specific single-photon sensitivity + specific specific high dynamic range for specific specific 120dB scene from specific specific dark asphalt to specific specific retroreflector in specific specific same frame without specific specific gain adjustment); LIDAR SIGNAL PROCESSING PATENTS: WAYMO; AURORA; LUMINAR; AEVA; HESAI; POINT ONE NAVIGATION: specific LiDAR signal processing (specific specific PointPillars: specific specific point cloud voxelization + specific specific pillar feature extraction NN for specific specific real-time 3D object detection from specific specific LiDAR scan for specific specific autonomous vehicle perception at specific specific 10fps; specific specific intensity normalization: specific specific range-dependent return intensity correction from specific specific LiDAR point cloud for specific specific road+object classification without specific specific intensity bias; specific specific multi-LiDAR fusion: specific specific registration+fusion from specific specific multiple LiDAR sensor calibration for specific specific full 360° high-density perception map).

LiDAR startup IP strategy must navigate Velodyne&apos;s foundational rotating LiDAR IP; Luminar&apos;s FMCW 1550nm long-range patent portfolio; concentrated automotive ADAS IP from tier-1 suppliers; and the specific challenge of competing against well-funded players with >200 patents each: LIDAR STARTUP IP STRATEGY: UNDERSTAND THE LIDAR PATENT LANDSCAPE: VELODYNE/OUSTER = FOUNDATIONAL ROTATING LIDAR IP: Velodyne/Ouster (now merged; 300+ combined) hold foundational spinning multi-beam LiDAR IP from HDL-64E 2007 — relevant to any rotating LiDAR design; many early patents expiring 2024-2027 creating freedom; LUMINAR FMCW 1550nm LONG-RANGE: Luminar (300+; backed by Volvo and Mercedes production) has built a focused 1550nm FMCW automotive LiDAR portfolio — relevant to any 1550nm coherent LiDAR for automotive; HESAI ISO 26262 AUTOMOTIVE HYBRID: Hesai (300+; Chinese company now at scale in automotive production) has rapidly built MEMS-hybrid automotive LiDAR IP — most relevant for automotive OEM production integration; WAYMO INTERNAL LiDAR SYSTEM: Waymo holds significant proprietary LiDAR IP from custom hardware development but Waymo sensor IP is primarily defensive and internal; less likely to enforce against startups; QUANERGY OPA LIDAR BANKRUPT: Quanergy (OPA LiDAR) filed bankruptcy 2023 — OPA patent portfolio may be available for licensing/acquisition; WHEN TO PATENT IN LIDAR: NOVEL LIDAR ARCHITECTURE WITH MEASURED DETECTION PERFORMANCE: specific novel LiDAR approach (specific specific detector type + specific specific beam steering method + specific specific light source wavelength) with specific measured range performance (specific specific max range m at specific specific minimum reflectivity % + specific specific accuracy ±cm + specific specific angular resolution °) + specific specific solar background rejection and specific specific velocity resolution m/s (FMCW) + specific specific scan rate Hz at specific specific FOV ° vs. specific specific ToF rotating baseline or specific specific FMCW 1550nm Luminar baseline; NOVEL CHIP-SCALE LIDAR ARCHITECTURE: specific novel photonic integrated circuit configuration (specific specific waveguide material + specific specific phase shifter approach + specific specific coherent receiver architecture) with specific measured insertion loss dB at specific specific wavelength + specific specific phase shift efficiency V·cm + specific specific beam divergence ° + specific specific chip size mm^2 + specific specific manufacturing process node PDK vs. specific specific discrete component FMCW system; NOVEL LIDAR POINT CLOUD ALGORITHM: specific novel 3D detection or specific specific tracking algorithm with specific measured benchmark performance (specific specific KITTI 3D Object Detection mean Average Precision mAP % at specific specific IoU threshold + specific specific inference speed ms on specific specific specific GPU hardware) vs. specific specific PointPillars or specific specific VoxelNet baseline — computational efficiency claim; § 101: LiDAR hardware = fully patent-eligible; LiDAR signal processing algorithm alone = potential § 101 Alice risk if no specific hardware element anchors claim; include specific measured hardware component to anchor software claims; TRADE SECRETS: receiver ASIC layout; specific laser driver circuit; optical alignment process; packaging assembly fixture; KEY FTO: Velodyne HDL-64E 64-beam rotating 905nm ToF 360°; Luminar Iris+ 1550nm FMCW EDFA coherent simultaneous range+Doppler; Innoviz InnovizTwo MEMS resonant 905nm SiPM ASIL-D; Hesai AT128 128ch MEMS 905nm 200m ASIL-B; Waymo custom spinning ASIC ToF 360° autonomous; Aeye iDAR MEMS+flash hybrid adaptive sampling; Princeton Lightwave Gm-APD SPAD array 300m+ photon counting; SILC/Analog Photonics Si-N FMCW PIC balanced PD chip-scale.