Growing community of inventors

Singapore, Singapore

Changgua Zhen

Average Co-Inventor Count = 2.00

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 = 0

Changgua ZhenZhikuan Chen (1 patent)Changgua ZhenChanggua Zhen (1 patent)Zhikuan ChenZhikuan Chen (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Agency for Science, Technology and Research (1 from 1,473 patents)


1 patent:

1. 8518559 - Arylamine compounds and electronic devices

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12/4/2025
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