Growing community of inventors

Kowloon, China

Ka Chuen Sze

Average Co-Inventor Count = 1.02

ph-index = 7

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 159

Ka Chuen SzeFrancois Pichon (1 patent)Ka Chuen SzeKa Chuen Sze (30 patents)Francois PichonFrancois Pichon (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tung Hing Plastic Manufactory Limited (25 from 27 patents)

2. Apothecary Products, Inc. (3 from 94 patents)

3. Tung Hing Plastic Manufacturing Ltd. (1 from 1 patent)


30 patents:

1. 12419402 - Hair fasteners

2. 12303012 - Hair fasteners

3. 11653735 - Hair fastener

4. D957670 - Sterilization container

5. 11202498 - Hair brush

6. 11166542 - Hair brush

7. D932198 - Mirror apparatus

8. 11083268 - Hair barrettes and methods of manufacture thereof

9. 11006739 - Hair brushes and methods of manufacture thereof

10. D913703 - Hair brush

11. 10905216 - Hair comb

12. D905906 - Multi-function hair comb

13. D893888 - Hair brush

14. 10531727 - Methods of manufacturing a hair brush and hair brushes made therefrom

15. D863782 - Hairbrush

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as of
12/13/2025
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