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),

John Manufacturing Limited is a leading manufacturer of high-quality industrial equipment. With a history of innovation and excellence, our products are used by businesses worldwide in a variety of industries. We are dedicated to providing our customers with exceptional products and outstanding service to meet their needs.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

359 Patents

#13 in Hong Kong

#106 in China

#2,557 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)

Please report any incorrect information to [email protected]

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