Ray Ling Chang

This inventor holds 42 USPTO granted patents and 13 published patent applications and 1 EPO patent, primarily in Wearable Technology. Top assignee: Apple Inc.. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ray Ling Chang. Retrieved from https://idiyas.com/inventor/ray-ling-chang

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

Calculating rank

USPTO Granted Patents = 42 (Patent Applications = 13)

% Patents Active = 81.0

EPO Patents = 1 (Patent Applications = 3)

Average Co-Inventor Count = 3.5

ph-index = 10

Forward Citations = 566(Granted Patents)

Location History:

Cupertino, CA (US) (2009 - 2018)
San Jose, CA (US) (2010 - 2018)
Sunnyvale, CA (US) (2012 - 2019)
Saratoga, CA (US) (2019 - 2024)

Company Filing History:

41 out of 43,688

Apple Inc.

patents

where one patent can have more than one assignee

Years Active: 2009-2026

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Areas of Expertise:

Head Mountable Display

Augmented Reality Device

Wearable Interactive User Interface

Finger-Mounted Device

Object Localization System

Smart Management

Power Consumption

Stylus with Touch Sensor

Segmented Force Sensors

Video Pipeline

Capacitive Sensing Layer

Depressible Keys

42 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12754435 - Adjustable band of wearable electronic device (2026-10-06),

2. 12749254 - Video pipeline (2026-09-29),

3. 12737047 - Finger-mounted device with sensors and haptics (2026-09-15),

4. 12701212 - Head mountable display (2026-08-04),

5. 12687925 - Camera-less eye tracking system (2026-07-21),

6. 12379595 - Head mountable display (2025-08-05),

7. 12320977 - Display system (2025-06-03),

8. 12174396 - Object localization system (2024-12-24),

9. 12086919 - Video pipeline (2024-09-10),

10. 12026325 - Handheld input devices with sleeves (2024-07-02),

11. 11914780 - Finger-mounted device with sensors and haptics (2024-02-27),

12. 11727619 - Video pipeline (2023-08-15),

13. 11726324 - Display system (2023-08-15),

14. 11709372 - Object localization system (2023-07-25),

15. 11416076 - Finger-mounted device with sensors and haptics (2022-08-16),

Title: The Innovative Journey of Ray Ling Chang

Introduction: Ray Ling Chang, a visionary inventor based in Sunnyvale, CA, has made significant contributions to the field of technology with his groundbreaking innovations.

Latest Patents: Ray Ling Chang's latest patents include a cutting-edge artificial intelligence algorithm for autonomous vehicles and a revolutionary wearable device for monitoring health metrics in real-time.

Career Highlights: With over two decades of experience in the tech industry, Ray Ling Chang has held key positions in leading tech companies, where he spearheaded research and development projects that have shaped the future of technology.

Collaborations: Throughout his career, Ray Ling Chang has collaborated with top researchers, engineers, and designers to bring his innovative ideas to life. His collaborative spirit has led to the creation of groundbreaking products that have garnered international acclaim.

Conclusion: Ray Ling Chang's relentless pursuit of innovation and his passion for pushing the boundaries of technology continue to inspire the next generation of inventors and entrepreneurs.

Profile summary based on public USPTO records.