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Hong Kong, China

Master Dynamic Limited

USPTO Granted Patents = 11

% Expired Patents = 18.2

EPO Patents = 8

Forward Citations = 12

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13 inventors (with patents filed for the assignee):

Ching Tom Kong (6 out of 10 patents)

Yingnan Wang (5 out of 5 patents)

Zhuonan Miao (4 out of 4 patents)

4. Ho Ching (4 out of 7 patents)

5. Pui Hang Ko (2 out of 2 patents)

6. Ying Nan Wang (2 out of 2 patents)

7. Koon Chung Hui (1 out of 11 patents)

8. Ka Wing Cheng (1 out of 9 patents)

9. Woon Ming Lau (1 out of 2 patents)

10. Sui Kong Hark (1 out of 1 patent)

11. Siu Kay Chu (1 out of 1 patent)

12. Ka Wai Wong (1 out of 1 patent)

13. Yau Chuen Yiu (1 out of 3 patents)

14. Shunan Miao (0 patent)

11 patents: Sort by Forward Citations

1. 12030217 - Method of marking a diamond, markings formed from such methods and diamonds marked according to such method (2024-07-09),

2. 11247227 - Apparatus, device and process for coating of articles (2022-02-15),

3. 10500609 - Process for coating of articles (2019-12-10),

4. 10457089 - Method of marking a solid state material, and solid state materials marked according to such a method (2019-10-29),

5. 10165836 - Method of forming a marking on an article, and an article having a mark thereon (2019-01-01),

6. 9950553 - Process of forming an identification marking, and an identification marking formed by way of such a process (2018-04-24),

7. 9903049 - Silicon hairspring (2018-02-27),

8. 9658598 - Hairspring for a time piece and hairspring design for concentricity (2017-05-23),

9. 9625879 - Method for fabricating a colored component for a watch (2017-04-18),

10. 9411312 - Silicon overcoil balance spring (2016-08-09),

11. 8882341 - Stress-relief elastic structure of hairspring collet (2014-11-11),

Master Dynamic Limited is a premium audio brand based in New York City. They specialize in creating high-end headphones, earphones, and speakers that are designed to deliver exceptional sound quality and style. Their products are known for their innovative design, superior craftsmanship, and superior sound quality. Master Dynamic Limited caters to music enthusiasts, audiophiles, and design-savvy consumers looking for a stylish and sophisticated audio experience.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

11 Patents

#288 in Hong Kong

#2,539 in China

#51,671 in the World

Hong Kong, China

Master Dynamic Limited

Forward Citations = 12

13 inventors:

Ching Tom Kong (6 out of 10 patents)

Yingnan Wang (5 out of 5 patents)

Zhuonan Miao (4 out of 4 patents)

4. Ho Ching (4 out of 7 patents)

5. Pui Hang Ko (2 out of 2 patents)

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