IDiyas’s Digital Inventor Badge (DIB) showcases an inventor’s inventive prowess in granted patents across Utility, Design, and Plant patents. The data has been tracked since January 1, 1976, and refreshed each Tuesday. The data benchmarks an inventor’s prolificness to other inventors in their city, state, country, and the world. The badge reflects an inventor’s success in granted patents across their career.

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USPTO Data Jan 1 1976 - Sep 9 2025

98 Utility and 2 Design Patents

#1 in Diamond Bar, CA

#1,808 in California

#5,475 in US

#9,829 in the World

rank by utility patents
...
Diamond Bar, CA, United States of America

Chung Lung Chang

Forward Citations = 1,215

Company Filing History:

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