Richard Chan — 2 Patents at AT&T

Richard Chan has been granted 2 US patents while listed as an inventor at AT&T. The first was granted in 2003 and the most recent in August 2025. Richard Chan ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Richard Chan in Menlo Park, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
12401424	Fiber-coupled Terahertz transceiver system	David F. Welch, Joy Laskar, Philip Kness, Rene Schmogrow, Sudipto Chakraborty +2 more	2025-08-26
6574548	System for providing traffic information	Bruce W. DeKock, Kevin Russell	2003-06-03

Richard Chan — 2 Patents

Issued Patents All Time

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