Growing community of inventors

Kiel, Germany

Chang-Chin Hwang

Average Co-Inventor Count = 2.00

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 = 92

Chang-Chin Hwang ↔ Joerg Brennwald (2 patents)Chang-Chin HwangChang-Chin Hwang (2 patents)Joerg BrennwaldJoerg Brennwald (15 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sennheiser Electronic Gmbh & Co Kg (2 from 296 patents)


2 patents:

1. D741286 - Headphones

2. D731997 - Transmitter for a headphone

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12/15/2025
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