Growing community of inventors

Seoul, South Korea

Chang-ho Ra

Average Co-Inventor Count = 4.00

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 = 2

Chang-ho RaJae-young Choi (1 patent)Chang-ho RaWon-jong Yoo (1 patent)Chang-ho RaTian-zi Shen (1 patent)Chang-ho RaChang-ho Ra (1 patent)Jae-young ChoiJae-young Choi (128 patents)Won-jong YooWon-jong Yoo (4 patents)Tian-zi ShenTian-zi Shen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Samsung Electronics Co., Ltd. (1 from 131,324 patents)


1 patent:

1. 9067783 - Graphene-based photodetector including complex transparent electrode, method of manufacturing the same, and device including the same

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12/10/2025
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