Howard Tweddle

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Carp, CA

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Patents Grantslast 30 patents

Information Patent Grant
GaN-on-Si semiconductor device structures for high current/ high vo...
- Patent number RE49603
- Issue date Aug 8, 2023
- GaN Systems Inc.
- Thomas Macelwee
Information Patent Grant
GaN-on-Si semiconductor device structures for high current/ high vo...
- Patent number 10,283,501
- Issue date May 7, 2019
- GaN Systems Inc.
- Thomas Macelwee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fault tolerant design for large area nitride semiconductor devices
- Patent number 9,818,857
- Issue date Nov 14, 2017
- GaN Systems Inc.
- Greg P. Klowak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fault tolerant design for large area nitride semiconductor devices
- Patent number 9,153,509
- Issue date Oct 6, 2015
- GaN Systems Inc.
- Gregory P. Klowak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color Tuneable electroluminescent devices
- Patent number 7,839,467
- Issue date Nov 23, 2010
- Group IV Semiconductor Inc.
- Carla Miner
- G02 - OPTICS
Information Patent Grant
Electroluminescent films for backlighting liquid crystal displays
- Patent number 7,616,272
- Issue date Nov 10, 2009
- Group IV Semiconductor Inc.
- Carla Miner
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
GaN-on-Si SEMICONDUCTOR DEVICE STRUCTURES FOR HIGH CURRENT/ HIGH VO...
- Publication number 20170256638
- Publication date Sep 7, 2017
- GAN SYSTEMS INC.
- Thomas MACELWEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FAULT TOLERANT DESIGN FOR LARGE AREA NITRIDE SEMICONDUCTOR DEVICES
- Publication number 20160284829
- Publication date Sep 29, 2016
- GAN SYSTEMS INC.
- Greg P. KLOWAK
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FAULT TOLERANT DESIGN FOR LARGE AREA NITRIDE SEMICONDUCTOR DEVICES
- Publication number 20150162252
- Publication date Jun 11, 2015
- GAN SYSTEMS INC.
- Gregory P. KLOWAK
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTROLUMINESCENT FILMS FOR BACKLIGHTING LIQUID CRYSTAL DISPLAYS
- Publication number 20100033111
- Publication date Feb 11, 2010
- Group IV Semiconductor Inc.
- Carla Miner
- G02 - OPTICS
Information Patent Application
Electroluminescent Films for Backlighting Liquid Crystal Displays
- Publication number 20090046222
- Publication date Feb 19, 2009
- Carla Miner
- G02 - OPTICS