% Expired Patents = 4.5

Forward Citations = 342

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3 inventors (with patents filed for the assignee):

Wai Hong Chan (15 out of 19 patents)

Chan Chung Hon (4 out of 4 patents)

Chan Wai Hong (3 out of 3 patents)

22 patents: Sort by Forward Citations

1. D614793 - Under cabinet light (2010-04-27),

2. D614681 - Floor magnifier (2010-04-27),

3. D613437 - Illuminating magnifier (2010-04-06),

4. D608038 - Clip light (2010-01-12),

5. D604005 - Porch light (2009-11-10),

6. D594149 - Clip-on booklight (2009-06-09),

7. 7309137 - Telescoping reading light (2007-12-18),

8. D542451 - Telescoping mini reading light (2007-05-08),

9. D529651 - Clip-on flexible reading light (2006-10-03),

10. D509012 - Clip-on reading light (2005-08-30),

11. D507840 - Telescoping clip-on reading light (2005-07-26),

12. D469555 - Travel reading light with flashlight (2003-01-29),

13. D466823 - Compass and lighted magnifier (2002-12-11),

14. D452020 - Hand-held spotlight (2001-12-12),

15. D433170 - Retractable lighted magnifier and flashlight (2000-10-31),

Company Overview

Sunrich Manufactory Ltd. is a Hong Kong-based company specializing in the development and manufacturing of high-quality consumer products. The organization focuses on innovative design and production techniques, catering to a diverse range of markets including electronics, home goods, and lifestyle products. With a commitment to excellence, Sunrich leverages advanced technology and materials to deliver reliable and aesthetically pleasing solutions, positioning itself as a key player in the competitive manufacturing landscape of the region.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

22 Patents

#153 in Hong Kong

#1,331 in China

#28,807 in the World

Hong Kong, China

Sunrich Manufactory Ltd.

Forward Citations = 342

3 inventors:

Wai Hong Chan (15 out of 19 patents)

Chan Chung Hon (4 out of 4 patents)

Chan Wai Hong (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sunrich Manufactory Ltd.. Retrieved from https://idiyas.com/company/sunrich-manufactory

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

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]