Growing community of inventors

Dongguan, China

Ka Him Leung

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 3

Ka Him LeungCheng Chen Nieh (1 patent)Ka Him LeungCheong Yip Chan (1 patent)Ka Him LeungKa Him Leung (1 patent)Cheng Chen NiehCheng Chen Nieh (12 patents)Cheong Yip ChanCheong Yip Chan (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Defond Components Limited (1 from 62 patents)

2. Defond Electech Co., Ltd (1 from 40 patents)


1 patent:

1. 11112817 - Control stick

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1/22/2026
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