Growing community of inventors

Yingko Chen, Taiwan

Jia Jung Chang

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 = 1,538

Jia Jung Chang ↔ Peter Donald Geary (1 patent)Jia Jung ChangJia Jung Chang (1 patent)Peter Donald GearyPeter Donald Geary (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Valleylab, Inc. (1 from 98 patents)


1 patent:

1. D393067 - Electrosurgical pencil

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1/7/2026
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