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

Howard Tweddle

GSGan Systems: 5 patents #10 of 24Top 45%
GSGroup Iv Semiconductor: 2 patents #7 of 15Top 50%
Carp, CA: #94 of 291 inventorsTop 35%
Overall (All Time): #705,302 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
RE49603 GaN-on-Si semiconductor device structures for high current/ high voltage lateral GaN transistors and methods of fabrication thereof Thomas MacElwee, Greg P. Klowak 2023-08-08
10283501 GaN-on-Si semiconductor device structures for high current/ high voltage lateral GaN transistors and methods of fabrication thereof Thomas MacElwee, Greg P. Klowak 2019-05-07
10249506 GaN-on-si semiconductor device structures for high current/ high voltage lateral GaN transistors and methods of fabrication thereof Thomas MacElwee, Greg P. Klowak 2019-04-02
9818857 Fault tolerant design for large area nitride semiconductor devices Greg P. Klowak, Cameron MCKNIGHT-MACNEIL, Ahmad Mizan, Nigel Springett 2017-11-14
9153509 Fault tolerant design for large area nitride semiconductor devices Gregory P. Klowak, Cameron MCKNIGHT-MACNEIL, Ahmad Mizan, Nigel Springett 2015-10-06
7839467 Color Tuneable electroluminescent devices Carla Miner, Thomas MacElwee, Stephen Naor 2010-11-23
7616272 Electroluminescent films for backlighting liquid crystal displays Carla Miner, Thomas MacElwee, Stephen Naor 2009-11-10