For the Inventor, By the Inventor

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Hong Kong, China

John Manufacturing Limited

USPTO Granted Patents = 359

% Expired Patents = 1.4

Trademarks = 2

Forward Citations = 5,151

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18 inventors (with patents filed for the assignee):

John S Yuen (205 out of 211 patents)

Se Kit Yuen (107 out of 218 patents)

John Se Kit Yuen (17 out of 17 patents)

4. John Se-Kit Yuen (16 out of 16 patents)

5. Se-Kit Yuen (4 out of 4 patents)

6. Timothy J Stachoviak (2 out of 5 patents)

7. Yuen Se Kit (2 out of 2 patents)

8. Yuen Se-Kit (2 out of 4 patents)

9. Lonnie G Johnson (1 out of 136 patents)

10. Joseph P Nestler (1 out of 4 patents)

11. Daniel A Schneider (1 out of 6 patents)

12. Shirley A Craanen (1 out of 4 patents)

13. Amy K Lawrence (1 out of 1 patent)

14. John M Baxley (1 out of 1 patent)

15. John Yuen Se Kit (1 out of 1 patent)

Core Competencies:

Directional LED Worklight

LED Table Lamp

LED Light Bulb

Photo-Electronic Air Purifier

Rechargeable Lantern

Multi-Functional Lantern

Emergency Light

Fluorescent Working Light

Vehicle Cooler Box

Portable Cooler

Night Light

Sound Generating Appliance

359 patents: Sort by Forward Citations

1. D706478 - Directional LED worklight (2014-06-03),

2. D702865 - Directional LED worklight (2014-04-15),

3. D674531 - LED table lamp (2013-01-15),

4. D655831 - LED light bulb (2012-03-13),

5. D646817 - LED spotlight (2011-10-11),

6. 7458481 - Drink-item holding apparatus and a portable cooler box incorporating the same (2008-12-02),

7. 7364605 - Photo-electronic air purifying disinfector (2008-04-29),

8. 7273515 - Photo-electronic air purifying and conditioning system (2007-09-25),

9. 7270696 - Photo-electronic air purifying and disinfecting system (2007-09-18),

10. 7267454 - Universal chargeable electro-optical illuminating lamp (2007-09-11),

11. 7264657 - Photo-electronic air conditioning, dehumidifying, purifying and disinfecting system (2007-09-04),

12. D533289 - Halogen searchlight with power station (2006-12-05),

13. D507360 - Flower shape soft glow night light (2005-07-12),

14. D505759 - Vacuum cleaner with integral air compressor, spotlight and flashing light (2005-05-31),

15. D502471 - Mini size solid state refrigerator (2005-03-01),

Company Overview

John Manufacturing Limited, based in Hong Kong, specializes in innovative LED lighting solutions. The company focuses on developing a diverse range of products, including directional LED worklights, LED table lamps, and energy-efficient LED light bulbs. Additionally, John Manufacturing is engaged in creating advanced photo-electronic air purifiers and versatile lighting options such as rechargeable and multi-functional lanterns, as well as emergency and fluorescent working lights. Their commitment to quality and innovation positions them as a key player in the LED technology sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

359 Patents

#13 in Hong Kong

#106 in China

#2,558 in the World

Hong Kong, China

John Manufacturing Limited

Forward Citations = 5,151

18 inventors:

John S Yuen (205 out of 211 patents)

Se Kit Yuen (107 out of 218 patents)

John Se Kit Yuen (17 out of 17 patents)

4. John Se-Kit Yuen (16 out of 16 patents)

5. Se-Kit Yuen (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: John Manufacturing Limited. Retrieved from https://idiyas.com/company/john-manufacturing

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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