Growing community of inventors

Jongno-gu, South Korea

Sungha 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 = 5

Sungha ChangHeuigeun Ryu (2 patents)Sungha ChangOhhun Kwon (1 patent)Sungha ChangJong-Mok Lee (1 patent)Sungha ChangSungha Chang (2 patents)Heuigeun RyuHeuigeun Ryu (4 patents)Ohhun KwonOhhun Kwon (3 patents)Jong-Mok LeeJong-Mok Lee (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hanlab Corporation (2 from 7 patents)


2 patents:

1. 8292793 - Control method of automatic balancing centrifuge using balancer

2. 7942801 - Automatic balancing centrifuge using balancer

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as of
12/25/2025
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