Growing community of inventors

Taipei, Taiwan

Joseph Yao

Average Co-Inventor Count = 1.00

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 = 179

Joseph YaoJoseph Yao (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Willis Electric Co., Ltd. (2 from 128 patents)


2 patents:

1. 7055981 - Stretchable and shrinkable tree light strings

2. 6951405 - Decorative light strings with combinative tree

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idiyas.com
as of
12/19/2025
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