Growing community of inventors

Gunpo-si, South Korea

Sang Ran Koh

Average Co-Inventor Count = 7.63

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 = 14

Sang Ran KohMi Young Kim (3 patents)Sang Ran KohJong Seob Kim (3 patents)Sang Ran KohSang Kyun Kim (3 patents)Sang Ran KohHui Chan Yun (3 patents)Sang Ran KohDong Seon Uh (2 patents)Sang Ran KohDo Hyeon Kim (2 patents)Sang Ran KohSang Jo Lim (1 patent)Sang Ran KohHyeon Cho (1 patent)Sang Ran KohYong Jin Chung (1 patent)Sang Ran KohSang Hak Lim (1 patent)Sang Ran KohSang Ran Koh (3 patents)Mi Young KimMi Young Kim (33 patents)Jong Seob KimJong Seob Kim (24 patents)Sang Kyun KimSang Kyun Kim (16 patents)Hui Chan YunHui Chan Yun (10 patents)Dong Seon UhDong Seon Uh (34 patents)Do Hyeon KimDo Hyeon Kim (8 patents)Sang Jo LimSang Jo Lim (19 patents)Hyeon ChoHyeon Cho (2 patents)Yong Jin ChungYong Jin Chung (1 patent)Sang Hak LimSang Hak Lim (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cheil Industries Inc. (3 from 787 patents)


3 patents:

1. 8916329 - Hardmask composition and associated methods

2. 8524851 - Silicon-based hardmask composition and process of producing semiconductor integrated circuit device using the same

3. 8273519 - Hardmask composition and associated methods

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idiyas.com
as of
12/6/2025
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