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For the Inventor, By the Inventor

Hong Kong, China

Tung Hing Plastic Manufactory Limited

Calculating rank
USPTO Granted Patents = 28


Forward Citations = 142

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6 inventors (with patents filed for the assignee):

goldMedal Ka Chuen Sze (26 out of 31 patents)

silverMedal Kin Wong Yau (1 out of 4 patents)

bronzeMedal Chi Wai Roy Chan (1 out of 1 patent)

4.  Francois Pichon (1 out of 1 patent)

5.  Sven Eschrich (1 out of 2 patents)

6.  Heung Kin Chan (1 out of 2 patents)


Core Competencies:
Hair Fasteners
Hair Brushes
Floor Cleaning Apparatus
Liquid Delivery Assembly
Sterilization Container
Cosmetic Mirror
Tweezer
Headband
Hair Clip
Clipping Device
Hair Barrettes
Manufacturing Methods

28 patents:

1. 12740629 - Hair fasteners and methods of manufacture thereof (2026-09-22),
2. 12419402 - Hair fasteners (2025-09-23),
3. 12303012 - Hair fasteners (2025-05-20),
4. 12290223 - Floor cleaning apparatus and liquid delivery assembly for use in floor cleaning apparatus (2025-05-06),
5. 11653735 - Hair fastener (2023-05-23),
6. D957670 - Sterilization container (2022-07-12),
7. 11202498 - Hair brush (2021-12-21),
8. D938099 - Combined cosmetic mirror and tweezer (2021-12-07),
9. 11166542 - Hair brush (2021-11-09),
10. D932198 - Mirror apparatus (2021-10-05),
11. 11083268 - Hair barrettes and methods of manufacture thereof (2021-08-10),
12. 11006739 - Hair brushes and methods of manufacture thereof (2021-05-18),
13. D913703 - Hair brush (2021-03-23),
14. 10905216 - Hair comb (2021-02-02),
15. D905906 - Multi-function hair comb (2020-12-22),
Company Overview
Tung Hing Plastic Manufactory Limited is a prominent manufacturer based in Hong Kong, specializing in the development and production of high-quality plastic products. The company focuses on innovative design and engineering solutions, catering to various industries including consumer goods, packaging, and industrial applications. With a commitment to quality and sustainability, Tung Hing leverages advanced manufacturing techniques to meet the diverse needs of its global clientele, ensuring reliability and performance in all its offerings.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

28 Patents

#123 in Hong Kong

#1,087 in China

#23,299 in the World

Hong Kong, CN
Hong Kong, China

Tung Hing Plastic Manufactory Limited

Forward Citations = 142

6 inventors:

goldMedal Ka Chuen Sze (26 out of 31 patents)

silverMedal Kin Wong Yau (1 out of 4 patents)

bronzeMedal Chi Wai Roy Chan (1 out of 1 patent)

4.  Francois Pichon (1 out of 1 patent)

5.  Sven Eschrich (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tung Hing Plastic Manufactory Limited. Retrieved from https://idiyas.com/company/tung-hing-plastic-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]
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