Growing community of inventors

Seoul, South Korea

Joongtaek Cha

Average Co-Inventor Count = 1.50

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

Joongtaek ChaMongkwon Jung (2 patents)Joongtaek ChaJoongtaek Cha (3 patents)Mongkwon JungMongkwon Jung (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Zkw Group Gmbh (3 from 251 patents)


3 patents:

1. 10890308 - Car lamp using semiconductor light emitting device

2. 10857932 - Lamp for vehicle

3. 10808901 - Car lamp using half mirror and semiconductor light emitting device

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idiyas.com
as of
12/26/2025
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