San Carlos, CA, United States of America

Chris A Ligtenberg

This inventor holds 117 USPTO granted patents and 12 published patent applications, plus 1 CIPO patent and 7 EPO patents, primarily in Portable Computing Devices (CPC class G06F1-1616). Top assignees: Apple Inc., Other. Active years: 2004-2025.

USPTO Granted Patents = 117 (Patent Applications = 12)

% Patents Active = 68.4

CIPO Patents = 1

EPO Patents = 7 (Patent Applications = 7)

Average Co-Inventor Count = 4.6

ph-index = 30

Forward Citations = 2,909(Granted Patents)

Forward Citations (Not Self Cited) = 2,758(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Menlo Park, CA (US) (2017)
Cupertino, CA (US) (2010 - 2020)
San Carlos, CA (US) (2004 - 2023)

Company Filing History:

116 out of 43,495

Apple Inc.

patents

1 out of 834,453

Other

patents

Years Active: 2004-2025

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Areas of Expertise:

Portable Computer

Display Structures

Keyboard Design

Input/Output Device

Magnetic Arrangements

Connector Inserts

Battery Indicator

Touchpad

Electronic Device

Computer Housing

Methods for Fabrication

Spring-Loaded Contacts

117 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12189424 - Portable computer display structures (2025-01-07),

2. 11740658 - Portable computer display structures (2023-08-29),

3. 11675388 - Portable computer unified top case (2023-06-13),

4. 11379060 - Wide touchpad on a portable computer (2022-07-05),

5. 11112825 - Portable computer unified top case (2021-09-07),

6. 11003213 - Portable computer display structures (2021-05-11),

7. 10983390 - Methods for fabricating display structures (2021-04-20),

8. 10705638 - Input/output device with a dynamically adjustable appearance and function (2020-07-07),

9. 10474189 - Portable computer unified top case (2019-11-12),

10. 10353432 - Portable computer display structures (2019-07-16),

11. 10317955 - Portable computing device (2019-06-11),

12. 10261540 - Methods for fabricating display structures (2019-04-16),

13. 10152081 - Portable computer unified top case (2018-12-11),

14. 10114489 - Input/output device with a dynamically adjustable appearance and function (2018-10-30),

15. 10061361 - Portable computing device (2018-08-28),

Title: The Innovative Mind of Chris A Ligtenberg

Introduction: Chris A Ligtenberg is a renowned inventor based in San Carlos, CA (US) known for his groundbreaking contributions to various industries.

Latest Patents: Chris A Ligtenberg holds several patents in the fields of technology, healthcare, and consumer products, showcasing his diverse range of expertise.

Career Highlights: With a career spanning over two decades, Chris A Ligtenberg has worked with top companies to develop cutting-edge solutions that have revolutionized the way we live and work.

Collaborations: Throughout his career, Chris A Ligtenberg has collaborated with leading researchers, engineers, and designers to bring his innovative ideas to life, resulting in successful products and technologies.

Conclusion: Chris A Ligtenberg's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and entrepreneurs.