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For the Inventor, By the Inventor

Philomath, OR, United States of America

Joseph G LaChapelle

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This inventor holds 56 USPTO granted patents and 28 published patent applications, primarily in Lidar Technology. Top assignees: Luminar Technologies, Inc., Luminar, LLC, Deep Photonics Corporation. Active years: 1990-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joseph G LaChapelle. Retrieved from https://idiyas.com/inventor/joseph-g-lachapelle

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 56 

% Patents Active = 91.1

Average Co-Inventor Count = 2.8

ph-index = 26

Forward Citations = 1,968(Granted Patents)

Forward Citations (Not Self Cited) = 1,837(Dec 10, 2025)


Location History:

  • Corvallis, OR (US) (1990 - 1998)
  • Philomath, OR (US) (1996 - 2024)

Company Filing History:

goldMedal29 out of 135 
 
Luminar Technologies, Inc.
 patents
silverMedal9 out of 37 
 
Luminar, LLC
 patents
bronzeMedal7 out of 15 
 
Deep Photonics Corporation
 patents
4. 2 out of 2 
 
Haemanthus, Inc.
 patents
5. 2 out of 4 
 
Luminar Holdco, LLC
 patents
6. 1 out of 330 
 
Microvision, Inc.
 patents
7. 1 out of 47 
 
Nlight Photonics Corporation
 patents
8. 1 out of 1 
 
Techne Systems, Inc.
 patent
9. 1 out of 23,040 
 
The Boeing Company
 patents
10. 3 out of 834,513 
Other
 patents

Years Active: 1990-2026

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Areas of Expertise:
Lidar System
Spectral Signatures
Pulsed Laser
Optical Detector
Coherent Pulsed Lidar
Receiver Characteristics
Laser Output
Cross-Talk Mitigation
Camera Data Integration
Avalanche Photodiode
Time to Digital Converter
Multispectral Lidar
56 patents (USPTO):Explore Patents
1. 12644970 - Coherent pulsed lidar system with two-sided detector (2026-06-02),
2. 12618714 - Raman spectroscopy system with standoff detection (2026-05-05),
3. 12481034 - Lidar system with input optical element (2025-11-25),
4. 12481031 - Hybrid pulsed/coherent lidar system with spectral signatures (2025-11-25),
5. 12248102 - Lidar system with multiple comparators and time-to-digital converters (2025-03-11),
6. 12228650 - Master-oscillator power-amplifier (MOPA) light source with optical isolator (2025-02-18),
7. 12203862 - Raman spectroscopy system (2025-01-21),
8. 11940565 - Coherent pulsed lidar system (2024-03-26),
9. 11874401 - Adjusting receiver characteristics in view of weather conditions (2024-01-16),
10. 11467266 - Coherent pulsed lidar system with spectral signatures (2022-10-11),
11. 11467265 - Coherent pulsed lidar system (2022-10-11),
12. 11467256 - Detection of crosstalk and jamming pulses with lidar system (2022-10-11),
13. 11442150 - Lidar system with spatial light modulator (2022-09-13),
14. 11204413 - Combining lidar and camera data (2021-12-21),
15. 11181622 - Method for controlling peak and average power through laser receiver (2021-11-23),

Title: Joseph G. LaChapelle: Innovator in Optical Technologies

Introduction

Joseph G. LaChapelle, based in Philomath, Oregon, is a prolific inventor recognized for his significant contributions to optical technologies. With a remarkable portfolio that includes 51 patents, LaChapelle has made a notable impact in the fields of photonics and communication systems. His innovative designs address various challenges in light amplification and spectroscopy, showcasing his expertise and creativity.

Latest Patents

Among LaChapelle's latest innovations is the "Master-oscillator power-amplifier (MOPA) light source with optical isolator." This invention features a light source designed to emit an optical signal, incorporating a seed laser diode to generate a seed optical signal and a semiconductor optical amplifier (SOA) to amplify this signal. Crucially, the optical isolator included in the design functions to transmit the seed optical signal while limiting the unwanted light propagation back towards the seed laser diode.

Another noteworthy patent is the "Raman spectroscopy system," which includes a dual-light source configuration to produce beams of light at different frequencies and direct them towards a sample. The system effectively collects the Raman signal generated by the sample, assisted by an optical receiver that includes a wavelength-tunable laser, allowing for adjustable detection frequencies.

Career Highlights

LaChapelle has a rich professional background, having worked with renowned companies such as Luminar Technologies, Inc. and Luminar, LLC. His tenure in these organizations allowed him to hone his skills and collaborate on cutting-edge projects that push the boundaries of optical technology.

Collaborations

Throughout his career, LaChapelle has collaborated with notable colleagues including Jason M. Eichenholz and Scott R. Campbell. These partnerships have contributed to numerous advancements in the field, fostering an environment of innovation and creativity.

Conclusion

Joseph G. LaChapelle stands out as a key inventor in the realm of optical technologies, with a robust patent portfolio that highlights his ingenuity and technical expertise. His contributions have not only advanced the field but have also paved the way for future innovations in photonics and spectroscopy. As technology continues to evolve, the work of inventors like LaChapelle remains essential in shaping the future of optical sciences.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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