Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
XX

Xueping Xu

CRCree: 14 patents #117 of 639Top 20%
ACAdvanced Technology & Materials Co.: 12 patents #40 of 410Top 10%
KTKyma Technologies: 9 patents #3 of 12Top 25%
CTCandescent Technologies: 4 patents #41 of 125Top 35%
IDIi-Vi Delaware: 3 patents #81 of 394Top 25%
CSCandescent Intellectual Property Services: 3 patents #23 of 83Top 30%
IIIi-Vi Incorporated: 3 patents #22 of 93Top 25%
SVSilicon Video: 2 patents #9 of 30Top 30%
IMIi-Vi Advanced Materials: 1 patents #9 of 12Top 75%
NANantero: 1 patents #52 of 73Top 75%
Stamford, CT: #9 of 1,447 inventorsTop 1%
Connecticut: #610 of 34,797 inventorsTop 2%
Overall (All Time): #69,928 of 4,157,543Top 2%
43 Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
7390581 Vicinal gallium nitride substrate for high quality homoepitaxy Robert P. Vaudo, Jeffrey S. Flynn, George R. Brandes 2008-06-24
7323256 Large area, uniformly low dislocation density GaN substrate and process for making the same Robert P. Vaudo 2008-01-29
7170095 Semi-insulating GaN and method of making the same Robert P. Vaudo, George R. Brandes 2007-01-30
7118813 Vicinal gallium nitride substrate for high quality homoepitaxy Robert P. Vaudo, Jeffrey S. Flynn, George R. Brandes 2006-10-10
7097707 GaN boule grown from liquid melt using GaN seed wafers 2006-08-29
7090554 Fabrication of flat-panel display having spacer with rough face for inhibiting secondary electron escape Roger W. Barton, Kollengode S. Narayanan, Bob Lee Mackey, John M. Macaulay, George B. Hopple +4 more 2006-08-15
6951695 High surface quality GaN wafer and method of fabricating same Robert P. Vaudo 2005-10-04
6680489 Amorphous silicon carbide thin film coating George R. Brandes, Chris S. Christos 2004-01-20
6617772 Flat-panel display having spacer with rough face for inhibiting secondary electron escape Roger W. Barton, Kollengode S. Narayanan, Bob Lee Mackey, John M. Macaulay, George B. Hopple +4 more 2003-09-09
6488767 High surface quality GaN wafer and method of fabricating same Robert P. Vaudo 2002-12-03
6447604 METHOD FOR ACHIEVING IMPROVED EPITAXY QUALITY (SURFACE TEXTURE AND DEFECT DENSITY) ON FREE-STANDING (ALUMINUM, INDIUM, GALLIUM) NITRIDE ((AL,IN,GA)N) SUBSTRATES FOR OPTO-ELECTRONIC AND ELECTRONIC DEVICES Jeffrey S. Flynn, George R. Brandes, Robert P. Vaudo, David Keogh, Barbara E. Landini 2002-09-10
6445006 Microelectronic and microelectromechanical devices comprising carbon nanotube components, and methods of making same George R. Brandes 2002-09-03
6379210 Fabrication of electron emitters coated with material such as carbon George R. Brandes, Christopher J. Spindt, Colin D. Stanners, John M. Macaulay 2002-04-30
6356014 Electron emitters coated with carbon containing layer George R. Brandes, Christopher J. Spindt, Colin D. Stanners, John M. Macaulay 2002-03-12
6268229 Integrated circuit devices and methods employing amorphous silicon carbide resistor materials George R. Brandes, Charles Pershing Beetz, Swayambu Ramani, Ronald S. Besser 2001-07-31
6031250 Integrated circuit devices and methods employing amorphous silicon carbide resistor materials George R. Brandes, Charles Pershing Beetz, Swayambu Ramani, Ronald S. Besser 2000-02-29
5973444 Carbon fiber-based field emission devices Charles Pershing Beetz, George R. Brandes, Robert W. Boerstler, John Steinbeck 1999-10-26
5872422 Carbon fiber-based field emission devices Charles Pershing Beetz, George R. Brandes, Robert W. Boerstler, John Steinbeck 1999-02-16