Growing community of inventors

Taipei, Taiwan

Chang-Ming Lee

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 = 4

Chang-Ming LeeYen-Nan Liu (1 patent)Chang-Ming LeeChang-Ming Lee (1 patent)Yen-Nan LiuYen-Nan Liu (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cyberpower Systems, Inc. (1 from 80 patents)


1 patent:

1. 9941644 - Power outlet device

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as of
12/16/2025
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