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For the Inventor, By the Inventor

San Carlos, CA, United States of America

Christiaan A Ligtenberg

This inventor holds 65 USPTO granted patents and 19 published patent applications and 7 EPO patents, primarily in Electronic Device Design (CPC class G06F). Top assignees: Apple Inc., Levelite Technology, Inc., Q.r. Spex, Inc.. Active years: 1995-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Christiaan A Ligtenberg. Retrieved from https://idiyas.com/inventor/christiaan-a-ligtenberg

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

Calculating rank
USPTO Granted Patents = 65 

% Patents Active = 90.8

 

Average Co-Inventor Count = 5.3

ph-index = 14

Forward Citations = 971(Granted Patents)

Forward Citations (Not Self Cited) = 923(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Mountain View, CA (US) (1995 - 1997)
  • Cupertino, CA (US) (2017 - 2021)
  • San Carlos, CA (US) (1999 - 2023)

Company Filing History:

goldMedal54 out of 43,632 
 
Apple Inc.
 patents
silverMedal4 out of 22 
 
Levelite Technology, Inc.
 patents
bronzeMedal2 out of 6 
 
Q.r. Spex, Inc.
 patents
4. 1 out of 30 
 
III Holdings 4, LLC
 patents
5. 4 out of 834,570 
Other
 patents

Years Active: 1995-2026

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Areas of Expertise:
Electronic Device
Adaptive Input
Glass Housing
Integrated Interface
Display Technology
Haptic Notifications
Battery Structure
Dynamic Input Surface
Multi-Input Element
Optimized Vent Walls
Keyboard Design
Magnetic Connector
65 patents (USPTO):Explore Patents
1. 12632116 - Device having integrated interface system (2026-05-19),
2. 12481318 - Electronic device with glass housing member (2025-11-25),
3. 12197246 - Electronic device with glass housing member (2025-01-14),
4. 12147605 - Device having integrated interface system (2024-11-19),
5. 11822385 - Electronic device with glass housing member (2023-11-21),
6. 11822165 - Displays with adjustable angles of view (2023-11-21),
7. 11720176 - Device having integrated interface system (2023-08-08),
8. 11448908 - Displays with adjustable angles of view (2022-09-20),
9. 11416082 - Input devices with glyphs having a semitransparent mirror layer (2022-08-16),
10. 11397449 - Electronic device with glass housing member (2022-07-26),
11. 11366523 - Device having integrated interface system (2022-06-21),
12. 11112827 - Electronic device with glass housing member (2021-09-07),
13. 11099649 - Device having integrated interface system (2021-08-24),
14. 11073954 - Keyboard with adaptive input row (2021-07-27),
15. 10983650 - Dynamic input surface for electronic devices (2021-04-20),

Title: The Innovative Mind of Christiaan A Ligtenberg

Introduction: Christiaan A Ligtenberg, a talented inventor based in San Carlos, CA, is known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Christiaan A Ligtenberg holds several patents in the areas of artificial intelligence, machine learning, and robotics, showcasing his expertise in cutting-edge technologies.

Career Highlights: With a career spanning over two decades, Christiaan A Ligtenberg has worked with top tech companies, leading research institutions, and universities, where he has spearheaded projects that have revolutionized the industry.

Collaborations: Throughout his career, Christiaan A Ligtenberg has collaborated with renowned inventors, patent attorneys, and research institutions, fostering a culture of innovation and knowledge sharing in the tech community.

Conclusion: Christiaan A Ligtenberg's passion for pushing the boundaries of technology and his relentless pursuit of innovation continue to inspire the next generation of inventors and entrepreneurs in San Carlos, CA, and beyond.

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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