Growing community of inventors

Changsha, China

Zhang Jian Hua

Average Co-Inventor Count = 8.00

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 = 17

Zhang Jian Hua ↔ Karim Rashid (1 patent)Zhang Jian Hua ↔ David Khalil (1 patent)Zhang Jian Hua ↔ Mark Butts (1 patent)Zhang Jian Hua ↔ Greg Pajak (1 patent)Zhang Jian Hua ↔ Dave Collins (1 patent)Zhang Jian Hua ↔ Suzy Ponikvar (1 patent)Zhang Jian Hua ↔ Louis Yip Yuen Cheong (1 patent)Zhang Jian HuaZhang Jian Hua (1 patent)Karim RashidKarim Rashid (157 patents)David KhalilDavid Khalil (17 patents)Mark ButtsMark Butts (11 patents)Greg PajakGreg Pajak (3 patents)Dave CollinsDave Collins (1 patent)Suzy PonikvarSuzy Ponikvar (1 patent)Louis Yip Yuen CheongLouis Yip Yuen Cheong (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Royal Appliance Mfg., Co. (1 from 234 patents)


1 patent:

1. D635774 - Electric broom

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as of
12/10/2025
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