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USPTO Patent Rankings Data through Dec 31, 2025
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Jack Walker — 6 Patents

Xerox: 6 patents #1,991 of 8,622Top 25%
Sunnyvale, CA: #4,229 of 14,302 inventorsTop 30%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Jack Walker has been granted 6 US patents while listed as an inventor at Xerox. The first was granted in 1998 and the most recent in November 2004. Jack Walker ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Jack Walker in Sunnyvale, CA, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6816528 Method and structure for nitride based laser diode arrays on a conducting substrate Michael A. Kneissl, David P. Bour, Noble M. Johnson 2004-11-09 $5,390,000
6744800 Method and structure for nitride based laser diode arrays on an insulating substrate Michael A. Kneissl, Thomas L. Paoli, David P. Bour, Noble M. Johnson 2004-06-01 $4,851,000
6355497 Removable large area, low defect density films for led and laser diode growth Linda Romano, Brent S. Krusor, Christopher L. Chua, Noble M. Johnson, Rose M. Wood 2002-03-12 $18,415,000
6090300 Ion-implantation assisted wet chemical etching of III-V nitrides and alloys Werner Goetz, Noble M. Johnson, David P. Bour, Thomas L. Paoli 2000-07-18 $18,324,000
5843802 Semiconductor laser formed by layer intermixing Kevin Beernink, Robert L. Thornton, David P. Bour, Thomas L. Paoli 1998-12-01 $19,720,000
5708674 Semiconductor laser or array formed by layer intermixing Kevin Beernink, Robert L. Thornton, David P. Bour, Thomas L. Paoli 1998-01-13 $9,362,000