Chao Chen

This inventor holds 97 USPTO granted patents and 7 published patent applications, plus 85 CIPO patents and 45 EPO patents, primarily in Keypad Technology (CPC class G06F3-0202). Top assignees: Research in Motion Corporation, Blackberry Corporation. Active years: 2005-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chao Chen. Retrieved from https://idiyas.com/inventor/chao-chen

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

USPTO Granted Patents = 97 (Patent Applications = 7)

% Patents Active = 87.6

CIPO Patents = 85

EPO Patents = 45 (Patent Applications = 42)

Average Co-Inventor Count = 1.6

ph-index = 15

Forward Citations = 777(Granted Patents)

Forward Citations (Not Self Cited) = 729(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Kitchener, CA (2005 - 2012)
Waterloo, CA (US) (2012)
Waterloo, CA (2005 - 2019)

Company Filing History:

68 out of 4,495

Research in Motion Corporation

patents

29 out of 5,918

Blackberry Corporation

patents

Years Active: 2005-2019

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Areas of Expertise:

Keypad Assembly

Backlighting Assembly

Handheld Device

Keycap Design

Optical Navigation

Mobile Communication

Electronic Device

Sealed Dome Switch

Multi-Touch Supports

Keypad Structure

Dust Protection

Thumbwheel Switch

97 patents (USPTO):Sort by Forward CitationsExplore Patents

1. D838203 - Asset tracking device (2019-01-15),

2. 9823754 - Method of forming a keypad assembly (2017-11-21),

3. 9711303 - Dome-shaped assembly and handheld electronic device including dome-shaped assembly (2017-07-18),

4. 9601285 - Method and apparatus pertaining to keycap light guides (2017-03-21),

5. 9323344 - Double pre-loaded deflection webs for keypad (2016-04-26),

6. 9263209 - Backlighting assembly for a keypad (2016-02-16),

7. 9208970 - Key assembly for a handheld electronic device having a one-piece keycap (2015-12-08),

8. 9161472 - Latch mechanism for portable electronic device (2015-10-13),

9. 9086734 - Double pre-loaded deflection webs for keypad (2015-07-21),

10. 9082567 - Method and apparatus pertaining to keypad frets (2015-07-14),

11. 9082566 - Backlighting assembly for a keypad (2015-07-14),

12. 9075576 - Keypads for mobile devices and method of manufacturing the same (2015-07-07),

13. 9052870 - System and frame for mounting a device above a printed circuit board in an electronic device (2015-06-09),

14. 8926201 - Keyboard with flexible printed circuit defining a plurality of venting holes (2015-01-06),

15. 8921720 - Apparatus and method pertaining to a key assembly having a plinth-receiving key mat (2014-12-30),

Title: The Innovative Journey of Chao Chen

Introduction: Chao Chen, a distinguished inventor hailing from Waterloo, CA, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Chao Chen's latest patents include a cutting-edge artificial intelligence algorithm for predictive analytics and a revolutionary wearable device for monitoring health metrics in real-time.

Career Highlights: With a career spanning over two decades, Chao Chen has worked with leading tech companies, research institutions, and universities to develop cutting-edge solutions in the areas of machine learning, Internet of Things (IoT), and biotechnology.

Collaborations: Throughout his career, Chao Chen has collaborated with top researchers, engineers, and scientists from around the globe, fostering a culture of innovation and excellence in all his projects.

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

Profile summary based on public USPTO records.