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Sungha Chang — 2 Patents

HAHanlab: 2 patents #4 of 11Top 40%

Seoul, KR: #18,734 of 39,741 inventorsTop 50%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

2 Patents All Time

Sungha Chang has been granted 2 US patents while listed as an inventor at Hanlab. The first was granted in 2011 and the most recent in October 2012. Sungha Chang ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Sungha Chang in Seoul, KR.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
8292793	Control method of automatic balancing centrifuge using balancer	Heuigeun Ryu, Jong-Mok Lee	2012-10-23
7942801	Automatic balancing centrifuge using balancer	Heuigeun Ryu, Ohhun Kwon	2011-05-17

Sungha Chang — 2 Patents

Issued Patents All Time

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