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Barb Chang — 2 Patents

Ebay: 2 patents #1,016 of 2,086Top 50%

San Francisco, CA: #14,470 of 26,999 inventorsTop 55%

California: #187,151 of 386,348 inventorsTop 50%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

2 Patents All Time

Barb Chang has been granted 2 US patents while listed as an inventor at Ebay. The first was granted in 2010 and the most recent in June 2012. Barb Chang ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Barb Chang in San Francisco, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8209320	System and method for keyword extraction	Alec Reitter, Ken Sun, Raghav Gupta, Alvaro Bolivar, Alan Lewis	2012-06-26	$169,103,000
7831586	System and method for application programming interfaces for keyword extraction and contextual advertisement generation	Alec Reitter, Ken Sun, Raghav Gupta, Alvaro Bolivar, Alan Lewis	2010-11-09	$30,367,000

Barb Chang — 2 Patents

Issued Patents All Time

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