Growing community of inventors

Hong Kong, China

John C Sham

Average Co-Inventor Count = 1.30

ph-index = 16

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 = 616

John C ShamKumkit KunavongVorakul (7 patents)John C ShamYu Siu Kwong (2 patents)John C ShamFan Kai Leung (2 patents)John C ShamKumkit Kunavong Vorakul (1 patent)John C ShamYu S Kwong (1 patent)John C ShamJohn C Sham (28 patents)Kumkit KunavongVorakulKumkit KunavongVorakul (9 patents)Yu Siu KwongYu Siu Kwong (4 patents)Fan Kai LeungFan Kai Leung (2 patents)Kumkit Kunavong VorakulKumkit Kunavong Vorakul (2 patents)Yu S KwongYu S Kwong (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (7 from 832,718 patents)

2. Wing Shing Products (bvi) Co. Ltd. (7 from 7 patents)

3. Pentalpha Enterprises Ltd. (7 from 7 patents)

4. Wing Shing Products Company, Ltd. (2 from 2 patents)


28 patents:

1. 6100502 - Toaster oven with steam

2. 6070519 - Juice extractor and beverage mixer apparatus

3. D419824 - Deep fryer

4. 6006653 - Coffee maker

5. 5957034 - Coffee maker

6. 5943949 - Indoor grille

7. 5931081 - Electrical deep-fryer

8. 5865104 - Food steamer

9. 5822821 - Electric toothbrush

10. 5819364 - Detachable handle accessory for a portable steam vacuum cleaner

11. 5810026 - Electric hair-curling apparatus

12. 5771781 - Electrical deep-fryer

13. 5771784 - Paddle for bread-making machine

14. 5735190 - Combination bread-baking machine and convection oven

15. D389968 - Travel steam iron

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/10/2025
Loading…