Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles Chen — 11 Patents

XDX Development: 5 patents #156 of 653Top 25%
San Francisco, CA: #4,061 of 26,999 inventorsTop 20%
California: #56,011 of 386,348 inventorsTop 15%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Charles Chen has been granted 11 US patents while listed as an inventor at X Development. The first was granted in 1989 and the most recent in February 2020. Charles Chen ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Charles Chen in San Francisco, CA, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10559024 Voice initiated purchase request Rakesh Yadav 2020-02-11 $46,482,000
9922364 Voice initiated purchase request Rakesh Yadav 2018-03-20 $26,482,000
9798517 Tap to initiate a next action for user requests Chun Yat Frank Li, Daniel Rodriguez Magana, Thiago Teixeira, Anand Agarawala 2017-10-24 $21,442,000
9727716 Shared workspace associated with a voice-request account Daniel Rodriguez Magana, Thomas Finsterbusch, Jason Soll, Thiago Teixeira 2017-08-08 $14,885,000
9575563 Tap to initiate a next action for user requests Chun Yat Frank Li, Daniel Rodriguez Magana, Thiago Teixeira, Anand Agarawala 2017-02-21 $17,465,000
D499483 Baby diaper with indicator 2004-12-07
6223959 Bag having an air-cushioned shoulder strap 2001-05-01
5170541 Fastening apparatus for handbag straps 1992-12-15
5117883 Handbag 1992-06-02
5088795 Dumping trailer and truck for a container Junny Chen 1992-02-18
4865065 Height-adjustable crutch 1989-09-12