Growing community of inventors

Suwon-si, South Korea

Sang Hoon Chang

Average Co-Inventor Count = 8.00

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

Sang Hoon Chang ↔ Jae Ho Lee (1 patent)Sang Hoon Chang ↔ Chi Hyung Ahn (1 patent)Sang Hoon Chang ↔ Jae Ho Lee (26 patents)Sang Hoon Chang ↔ Sung Soo Park (1 patent)Sang Hoon Chang ↔ Jae Hee Kim (1 patent)Sang Hoon Chang ↔ Kyeong Jun Ko (1 patent)Sang Hoon Chang ↔ Seh Chan Oh (1 patent)Sang Hoon Chang ↔ Jung Tai Kim (1 patent)Sang Hoon ChangSang Hoon Chang (1 patent)Jae Ho LeeJae Ho Lee (80 patents)Chi Hyung AhnChi Hyung Ahn (36 patents)Jae Ho LeeJae Ho Lee (26 patents)Sung Soo ParkSung Soo Park (8 patents)Jae Hee KimJae Hee Kim (6 patents)Kyeong Jun KoKyeong Jun Ko (4 patents)Seh Chan OhSeh Chan Oh (3 patents)Jung Tai KimJung Tai Kim (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Korea Railroad Research Institute (1 from 48 patents)


1 patent:

1. 10084565 - Apparatus and method for protecting communication device of railroad car

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12/5/2025
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