Growing community of inventors

Seoul, South Korea

Ji Yeon Chang

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 = 1

Ji Yeon ChangGwan Sun Lee (1 patent)Ji Yeon ChangDong Jun Kim (1 patent)Ji Yeon ChangYoung Kil Chang (1 patent)Ji Yeon ChangHyun Seung Lee (1 patent)Ji Yeon ChangNam Du Kim (1 patent)Ji Yeon ChangJae Hyuk Jung (1 patent)Ji Yeon ChangJi Yeon Chang (1 patent)Gwan Sun LeeGwan Sun Lee (44 patents)Dong Jun KimDong Jun Kim (14 patents)Young Kil ChangYoung Kil Chang (8 patents)Hyun Seung LeeHyun Seung Lee (7 patents)Nam Du KimNam Du Kim (5 patents)Jae Hyuk JungJae Hyuk Jung (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hanmi Science Co., Ltd. (1 from 63 patents)


1 patent:

1. 8624026 - Method of preparing sitagliptin and intermediates used therein

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as of
1/4/2026
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