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Kenmore, WA, United States of America

Karol Constantine Hatzilias

USPTO Granted Patents = 48 (Patent Applications = 21)

EPO Patents = 3 (Patent Applications = 17)

Average Co-Inventor Count = 5.2

ph-index = 8

Forward Citations = 152(Granted Patents)

Location History:

Kenmore, CA (US) (2021)
San Francisco, CA (US) (2021)
Kenmore, WA (US) (2020 - 2024)
Sammamish, WA (US) (2024)

Company Filing History:

27 out of 1,941

Facebook Technologies, LLC

21 out of 1,635

Meta Platforms Technologies, LLC

Years Active: 2020-2025

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Areas of Expertise:

Waveguide Disparity Sensing

Dimming Control

Beam Shaping Optics

Eye Tracking Calibration

Vertical Cavity Surface-Emitting Laser

Optical Lens Assemblies

Holographic Optical Elements

Head-Mounted Displays

In-Field Illumination

Stray Light Suppression

Hybrid Lens Technologies

Gaze-Based Interaction

48 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12474577 - Waveguide disparity sensing (2025-11-18),

2. 12352970 - Dimming control with display-directed activation light for an optical assembly (2025-07-08),

3. 12270992 - Beam shaping optic for light sources (2025-04-08),

4. 12074408 - Vertical cavity surface-emitting laser (VCSEL) with a light barrier (2024-08-27),

5. 12073015 - Systems and methods for calibrating eye tracking (2024-08-27),

6. 12013531 - Active disparity sensing of head mounted display (2024-06-18),

7. 11977231 - Optical lens assemblies (2024-05-07),

8. 11848542 - Active optics feedback and calibration (2023-12-19),

9. 11796829 - In-field illuminator for eye depth sensing (2023-10-24),

10. 11650426 - Holographic optical elements for eye-tracking illumination (2023-05-16),

11. 11650403 - Optical elements for beam-shaping and illumination (2023-05-16),

12. 11649935 - Coupling light source to photonic integrated circuit (2023-05-16),

13. 11604366 - Head-mounted display devices with removable prescription lenses (2023-03-14),

14. 11575246 - Wafer level optic and zoned wafer (2023-02-07),

15. 11561405 - Wavefront sensing with in-field illuminators (2023-01-24),

Title: Karol Constantine Hatzilias: Pioneering Inventor from Kenmore, WA

Introduction: Karol Constantine Hatzilias is a renowned inventor based in Kenmore, WA, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: Karol Constantine Hatzilias holds several patents in the areas of renewable energy technologies, sustainable agriculture solutions, and advanced medical devices, showcasing his diverse range of expertise.

Career Highlights: With a career spanning over two decades, Hatzilias has established himself as a visionary inventor, with a keen focus on developing technologies that have a positive impact on society and the environment.

Collaborations: Throughout his career, Karol Constantine Hatzilias has collaborated with leading research institutions, universities, and companies to bring his inventions to life, fostering a culture of innovation and progress.

Conclusion: Karol Constantine Hatzilias continues to inspire the next generation of inventors with his passion for creating solutions that address some of the most pressing challenges of our time, solidifying his legacy as a true pioneer in the world of innovation.

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