Growing community of inventors

Changwon-si, South Korea

Yong Joon Chang

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 = 2

Yong Joon Chang ↔ Dong Hwan Choi (1 patent)Yong Joon Chang ↔ Seong Jun Cheon (1 patent)Yong Joon ChangYong Joon Chang (1 patent)Dong Hwan ChoiDong Hwan Choi (4 patents)Seong Jun CheonSeong Jun Cheon (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hanwha Defense Co., Ltd. (1 from 35 patents)


1 patent:

1. 10798272 - Artillery shell-shaped information gathering device

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as of
12/19/2025
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