Growing community of inventors

Shenzhen, China

Guo-Feng Dai

Average Co-Inventor Count = 2.00

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 = 10

Guo-Feng Dai ↔ Norman Day (1 patent)Guo-Feng DaiGuo-Feng Dai (1 patent)Norman DayNorman Day (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Phoenixtec Power Co., Ltd. (1 from 13 patents)


1 patent:

1. 7141892 - Power supply method of a line interactive UPS and the line interactive UPS

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as of
12/21/2025
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