Guiyuan Han

This inventor holds 43 USPTO granted patents and 6 published patent applications and 2 EPO patents, primarily in Pressure Sensor Calibration. Top assignee: Nextnav, LLC. Active years: 2018-2026.

USPTO Granted Patents = 43 (Patent Applications = 6)

% Patents Active = 97.7

EPO Patents = 2 (Patent Applications = 9)

Average Co-Inventor Count = 3.5

ph-index = 3

Forward Citations = 53(Granted Patents)

Company Filing History:

43 out of 134

Nextnav, LLC

patents

Years Active: 2018-2026

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Areas of Expertise:

Pressure Sensor

Altitude Estimation

Mobile Device

Calibration Methods

Barometric Pressure

Atmospheric Sensors

Spatial Coverage

Height Estimation

Context Determination

Weather Stations

Calibration Values

Sensor Reliability

43 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12560437 - Estimating floor numbers and floor labels in a structure (2026-02-24),

2. 12553744 - Identifying erroneous calibration values of barometric air pressure sensor (2026-02-17),

3. 12553716 - Systems and methods for determining when an estimated altitude of a mobile device can be used for calibration or location determination (2026-02-17),

4. 12498219 - Systems and methods for extending the spatial coverage of a reference pressure network (2025-12-16),

5. 12405110 - Systems and methods for pressure-based estimation of a mobile device altitude or calibration of a pressure sensor (2025-09-02),

6. 12298196 - Systems and methods for determining when to calibrate a pressure sensor of a mobile device (2025-05-13),

7. 12270967 - Field calibration of reference weather stations (2025-04-08),

8. 12209924 - Constraining barometric pressure sensor calibration with sporadic data collection (2025-01-28),

9. 12130968 - Systems and methods for determining contexts of mobile devices (2024-10-29),

10. 12130155 - Systems and methods for determining calibration values for atmospheric sensors that provide measured pressures used for estimating altitudes of mobile devices (2024-10-29),

11. 12101689 - Characterizing height above terrain confidence (2024-09-24),

12. 12061096 - Barometric pressure sensor calibration based on activity context (2024-08-13),

13. 12038280 - Calibrating a pressure sensor (2024-07-16),

14. 12025471 - Systems and methods for estimating a difference in height between two floors in a building for use in estimating a height or an altitude of one of the two floors (2024-07-02),

15. 11991605 - Methods for using a pressure sensor of a mobile device to improve the accuracy of determined contexts (2024-05-21),

Title: Guiyuan Han - Innovative Inventor from San Jose

Introduction: Guiyuan Han is a prolific inventor based in San Jose, CA, known for his groundbreaking contributions to various technological fields.

Latest Patents: Guiyuan Han holds several patents in the areas of artificial intelligence, renewable energy, and biotechnology, showcasing his diverse range of expertise.

Career Highlights: With a career spanning over two decades, Guiyuan Han has worked with leading tech companies, research institutions, and universities, consistently pushing the boundaries of innovation.

Collaborations: Han has collaborated with top scientists, engineers, and researchers globally, fostering a culture of creativity and excellence in all his projects.

Conclusion: Guiyuan Han's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors worldwide.