For the Inventor, By the Inventor

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Grand Cayman, Cayman Islands

D.light Design, Inc.

Calculating rank

USPTO Granted Patents = 28

% Expired Patents = 21.4

Trademarks = 1

Forward Citations = 318

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18 inventors (with patents filed for the assignee):

Xianyi Wu (10 out of 10 patents)

Sean Sun (10 out of 10 patents)

Robin Blake Kiran Chilton (10 out of 10 patents)

4. Eva Hoffmann (5 out of 5 patents)

5. Douglas James Ricket (4 out of 11 patents)

6. Erica D Estrada (4 out of 4 patents)

7. Ji Guo Qing (3 out of 3 patents)

8. Nedjip Orhan Tozun (2 out of 2 patents)

9. Samuel W Goldman (2 out of 2 patents)

10. Gabriel C Risk (2 out of 27 patents)

11. He Zhi Jun (2 out of 2 patents)

12. Alexander Baumgardt (2 out of 2 patents)

13. Michael D Hudson (1 out of 13 patents)

14. Ned Tozun (1 out of 1 patent)

15. Jack Godfrey Wood (1 out of 21 patents)

Core Competencies:

Controller Casing

Light Casing

Lamp Casing

Portable Light

Solar Panel Casing

Multi-Phase Tracking

Activation Systems

Deactivation Systems

Solar Powered Light

Metering Device

Control Unit Casing

Mobile Charger Casing

28 patents: Sort by Forward Citations

1. D867283 - Controller casing (2019-11-19),

2. D820502 - Light casing (2018-06-12),

3. 9799018 - Systems and methods for activation and deactivation of appliances (2017-10-24),

4. D798483 - Casing for a portable light (2017-09-26),

5. D772471 - Casing for a portable light (2016-11-22),

6. D761471 - Casing for a portable light (2016-07-12),

7. 9052702 - Systems and methods for activation and deactivation of appliances (2015-06-09),

8. D731107 - Lamp casing (2015-06-02),

9. 9020852 - Systems and methods for activation and deactivation of appliances (2015-04-28),

10. 8972069 - Selective multi-phase maximum power point tracking (2015-03-03),

11. D699874 - Portable light (2014-02-18),

12. D691970 - Control unit casing (2013-10-22),

13. D689817 - Casing for a portable solar panel (2013-09-17),

14. D687591 - Casing for a portable solar light (2013-08-06),

15. D687590 - Casing for a portable solar powered light (2013-08-06),

Company Overview

D.light Design, Inc. specializes in providing solar energy solutions aimed at improving the quality of life in off-grid communities. The company develops and manufactures a range of solar-powered products, including lighting systems and energy storage solutions, designed to be affordable and accessible. With a focus on sustainability and innovation, D.light operates primarily in emerging markets, enabling users to harness renewable energy for everyday needs, thereby promoting energy independence and enhancing living conditions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

28 Patents

#31 in Grand Cayman

#41 in Cayman Islands

#23,317 in the World

Grand Cayman, Cayman Islands

D.light Design, Inc.

Forward Citations = 318

18 inventors:

Xianyi Wu (10 out of 10 patents)

Sean Sun (10 out of 10 patents)

Robin Blake Kiran Chilton (10 out of 10 patents)

4. Eva Hoffmann (5 out of 5 patents)

5. Douglas James Ricket (4 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: D.light Design, Inc.. Retrieved from https://idiyas.com/company/d-light-design

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]

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