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EPO Patents = 3

Forward Citations = 118

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6 inventors (with patents filed for the assignee):

Ka Chuen Sze (25 out of 30 patents)

Kin Wong Yau (1 out of 4 patents)

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)

27 patents: Sort by Forward Citations

1. 12419402 - Hair fasteners (2025-09-23),

2. 12303012 - Hair fasteners (2025-05-20),

3. 12290223 - Floor cleaning apparatus and liquid delivery assembly for use in floor cleaning apparatus (2025-05-06),

4. 11653735 - Hair fastener (2023-05-23),

5. D957670 - Sterilization container (2022-07-12),

6. 11202498 - Hair brush (2021-12-21),

7. D938099 - Combined cosmetic mirror and tweezer (2021-12-07),

8. 11166542 - Hair brush (2021-11-09),

9. D932198 - Mirror apparatus (2021-10-05),

10. 11083268 - Hair barrettes and methods of manufacture thereof (2021-08-10),

11. 11006739 - Hair brushes and methods of manufacture thereof (2021-05-18),

12. D913703 - Hair brush (2021-03-23),

13. 10905216 - Hair comb (2021-02-02),

14. D905906 - Multi-function hair comb (2020-12-22),

15. 10531727 - Methods of manufacturing a hair brush and hair brushes made therefrom (2020-01-14),

Tung Hing Plastic Manufactory Limited is a leading manufacturer of plastic products. With over 20 years of experience, we specialize in the production and distribution of high-quality plastic bags, packaging materials, and related products. Our products are known for their durability, reliability, and eco-friendly features. We cater to a wide range of industries, including retail, food and beverage, healthcare, and more. Our commitment to innovation, customer satisfaction, and environmental responsibility sets us apart in the market. Visit our website to learn more about our products and services.

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Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

27 Patents

#120 in Hong Kong

#997 in China

#23,254 in the World

Hong Kong, China

Tung Hing Plastic Manufactory Limited