Chao Chen

This inventor holds 97 USPTO granted patents and 7 published patent applications, plus 76 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.

USPTO Granted Patents = 97 (Patent Applications = 7)

% Patents Active = 87.6

CIPO Patents = 76

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 5,914

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.