Growing community of inventors

Rowland Heights, CA, United States of America

Helen Yang

Average Co-Inventor Count = 1.00

ph-index = 9

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 = 218

Helen YangHelen Yang (17 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Air Cool Industrial Co., Ltd. (9 from 404 patents)

2. Youngo Limited (6 from 93 patents)

3. Landmark Enterprise Inc. (1 from 56 patents)


17 patents:

1. D1061857 - Ceiling fan

2. D884872 - Ceiling fan

3. D862756 - Ceiling fan light

4. D861218 - Ceiling fan light

5. D859628 - Ceiling fan

6. D859632 - Ceiling fan

7. D819035 - Ceiling fan housing with light

8. D811577 - Ceiling fan housing

9. D791928 - Ceiling fan blade

10. D700984 - Ceiling fan light kit

11. D628286 - Ceiling fan motor housing and light kit

12. D603035 - Combined ceiling fan and light kit

13. D599901 - Ceiling fan blade iron

14. D599460 - Ceiling fan

15. D599469 - Ceiling fan blade iron

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/19/2025
Loading…