Growing community of inventors

Daejeon, South Korea

Chang Woo Joo

Average Co-Inventor Count = 9.26

ph-index = 2

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 = 76

Chang Woo JooHee Jung Jeon (1 patent)Chang Woo JooEun Kyoung Kim (1 patent)Chang Woo JooGyung Rok Kim (1 patent)Chang Woo JooDo Woan Kim (1 patent)Chang Woo JooYoung Suk Kim (1 patent)Chang Woo JooCheol Joong Kim (1 patent)Chang Woo JooIl Yong Jeong (1 patent)Chang Woo JooJin Kyu Choi (1 patent)Chang Woo JooKi Seok Choi (1 patent)Chang Woo JooDo Hyoun Kim (1 patent)Chang Woo JooDong Wook Park (1 patent)Chang Woo JooYun Hee Lee (1 patent)Chang Woo JooHa Na Song (1 patent)Chang Woo JooMyoung Han No (1 patent)Chang Woo JooCheol Woo Park (1 patent)Chang Woo JooGwang Hyoun Kim (1 patent)Chang Woo JooTae Won Uhm (1 patent)Chang Woo JooChang Woo Joo (2 patents)Hee Jung JeonHee Jung Jeon (37 patents)Eun Kyoung KimEun Kyoung Kim (25 patents)Gyung Rok KimGyung Rok Kim (18 patents)Do Woan KimDo Woan Kim (17 patents)Young Suk KimYoung Suk Kim (15 patents)Cheol Joong KimCheol Joong Kim (6 patents)Il Yong JeongIl Yong Jeong (4 patents)Jin Kyu ChoiJin Kyu Choi (4 patents)Ki Seok ChoiKi Seok Choi (3 patents)Do Hyoun KimDo Hyoun Kim (3 patents)Dong Wook ParkDong Wook Park (2 patents)Yun Hee LeeYun Hee Lee (2 patents)Ha Na SongHa Na Song (2 patents)Myoung Han NoMyoung Han No (2 patents)Cheol Woo ParkCheol Woo Park (1 patent)Gwang Hyoun KimGwang Hyoun Kim (1 patent)Tae Won UhmTae Won Uhm (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sk Innovation Co., Ltd. (2 from 733 patents)

2. Sk Energy Co., Ltd. (2 from 62 patents)


2 patents:

1. 9624448 - Method for preparing stabilized hydrocarbon oil blend

2. 9127215 - Method for reducing the amount of organic acids in a hydrocarbon oil fraction

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as of
12/6/2025
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