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Union City, CA, United States of America

Chieh Changfan

Average Co-Inventor Count = 1.75

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 = 26

Chieh ChangfanYu-Chin Hsu (1 patent)Chieh ChangfanTayung Liu (1 patent)Chieh ChangfanFurshing Tsai (1 patent)Chieh ChangfanKunMing Ho (1 patent)Chieh ChangfanYirng-An Chen (1 patent)Chieh ChangfanWells Woei-Tzy Jong (1 patent)Chieh ChangfanChieh Changfan (2 patents)Yu-Chin HsuYu-Chin Hsu (8 patents)Tayung LiuTayung Liu (6 patents)Furshing TsaiFurshing Tsai (6 patents)KunMing HoKunMing Ho (6 patents)Yirng-An ChenYirng-An Chen (3 patents)Wells Woei-Tzy JongWells Woei-Tzy Jong (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,843 patents)

2. Novas Software, Inc. (1 from 4 patents)


2 patents:

1. 7378588 - Melody-based music search

2. 7079997 - IC behavior analysis system

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12/26/2025
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