Growing community of inventors

Taipei, Taiwan

Chih-Kae Guan

Average Co-Inventor Count = 3.00

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 = 0

Chih-Kae GuanLin-Heng Chang (2 patents)Chih-Kae GuanKuang-Hung Cheng (2 patents)Chih-Kae GuanChih-Kae Guan (2 patents)Lin-Heng ChangLin-Heng Chang (2 patents)Kuang-Hung ChengKuang-Hung Cheng (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Portwell Inc. (2 from 29 patents)


2 patents:

1. 10104550 - Induction type ornament with private message transmission

2. 9965661 - Sensory totem badge capable of transmitting individualized information

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as of
1/11/2026
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