Growing community of inventors

Seoul, South Korea

Chung Hwan Oh

Average Co-Inventor Count = 7.00

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 = 6

Chung Hwan Oh ↔ Dong Wook Kim (1 patent)Chung Hwan Oh ↔ Yong Sik Lee (1 patent)Chung Hwan Oh ↔ Jae Gun Bae (1 patent)Chung Hwan Oh ↔ Youn Gun Chin (1 patent)Chung Hwan Oh ↔ No Hyuk Kwak (1 patent)Chung Hwan Oh ↔ Jae Kyung Jo (1 patent)Chung Hwan OhChung Hwan Oh (1 patent)Dong Wook KimDong Wook Kim (70 patents)Yong Sik LeeYong Sik Lee (6 patents)Jae Gun BaeJae Gun Bae (1 patent)Youn Gun ChinYoun Gun Chin (1 patent)No Hyuk KwakNo Hyuk Kwak (1 patent)Jae Kyung JoJae Kyung Jo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hyundai Engineering Co. Ltd. (1 from 12 patents)


1 patent:

1. 6123747 - Apparatus and method for manufacturing barnyard manure using sewage and

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as of
1/3/2026
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