Growing community of inventors

Hong Kong, China

Kam Hoi Ma

Average Co-Inventor Count = 5.96

ph-index = 10

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 = 201

Kam Hoi MaXin Chen (15 patents)Kam Hoi MaJianjun Ge (15 patents)Kam Hoi MaJincheng Xia (15 patents)Kam Hoi MaYongsheng Liang (15 patents)Kam Hoi MaZhenjiang Yin (15 patents)Kam Hoi MaLawrence Chun-Hei Chu (1 patent)Kam Hoi MaHui Wu (1 patent)Kam Hoi MaJunfeng Ding (1 patent)Kam Hoi MaKam Lun Chui (1 patent)Kam Hoi MaSimon P Griffiths (1 patent)Kam Hoi MaSai Kei Wong (1 patent)Kam Hoi MaScott R Smith (1 patent)Kam Hoi MaKam Hoi Ma (16 patents)Xin ChenXin Chen (41 patents)Jianjun GeJianjun Ge (22 patents)Jincheng XiaJincheng Xia (20 patents)Yongsheng LiangYongsheng Liang (18 patents)Zhenjiang YinZhenjiang Yin (16 patents)Lawrence Chun-Hei ChuLawrence Chun-Hei Chu (25 patents)Hui WuHui Wu (16 patents)Junfeng DingJunfeng Ding (7 patents)Kam Lun ChuiKam Lun Chui (1 patent)Simon P GriffithsSimon P Griffiths (1 patent)Sai Kei WongSai Kei Wong (1 patent)Scott R SmithScott R Smith (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bissell Inc. (14 from 415 patents)

2. Bissell Homecare, Inc. (1 from 587 patents)

3. Techtronic Industries Company Limited (1 from 95 patents)


16 patents:

1. 12329334 - Surface cleaning apparatus

2. 12161273 - Surface cleaning apparatus

3. 11930975 - Surface cleaning apparatus

4. 11825996 - Surface cleaning apparatus

5. 11241134 - Surface cleaning apparatus

6. 11122949 - Surface cleaning apparatus

7. 11096540 - Surface cleaning apparatus

8. 11096541 - Surface cleaning apparatus

9. 11096542 - Surface cleaning apparatus

10. 11096543 - Surface cleaning apparatus

11. 11096539 - Surface cleaning apparatus

12. 11089933 - Surface cleaning apparatus

13. 10925455 - Surface cleaning apparatus

14. 10820769 - Surface cleaning apparatus

15. 10092155 - Surface cleaning apparatus

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as of
1/4/2026
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