Growing community of inventors

Taipei, Taiwan

Ching-Fei Cheng

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 = 3

Ching-Fei Cheng ↔ Tanyel Yalazoglu (2 patents)Ching-Fei Cheng ↔ Nicolas Jinkinson (2 patents)Ching-Fei Cheng ↔ Axelle Justafré (2 patents)Ching-Fei ChengChing-Fei Cheng (2 patents)Tanyel YalazogluTanyel Yalazoglu (17 patents)Nicolas JinkinsonNicolas Jinkinson (7 patents)Axelle JustafréAxelle Justafré (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Logitech Europe S.a. (2 from 1,195 patents)


2 patents:

1. D1082780 - Ergonomic keyboard

2. D1060339 - Ergonomic keyboard

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12/6/2025
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